Refactorings to borrowck region diagnostic reporting by mark-i-m · Pull Request #67241 · rust-lang/rust

mark-i-m · 2019-12-11T22:51:26Z

This PR is a followup to #66886 and #67404

EDIT: updated

In this PR: Clean up how errors are collected from NLL: introduce borrow_check::diagnostics::RegionErrors to collect errors. This is later passed to MirBorrowckCtx::report_region_errors after the MirBorrowckCtx is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). borrow_check::region_infer is now mostly free of diagnostic generating code. The signatures of most of the functions in region_infer lose somewhere between 4 and 7 arguments :)

Left for future (feedback appreciated):

Merge ErrorRegionCtx with MirBorrowckCtx, as suggested by @matthewjasper in Remove the borrow check::nll submodule #66886 (comment)
Maybe move the contents of borrow_check::nll into borrow_check and remove the nll submodule altogether.
Find a way to make borrow_check::diagnostics::region_errors less of a strange appendage to RegionInferenceContext. I'm not really sure how to do this yet. Ideas welcome.

rust-highfive · 2019-12-11T22:51:30Z

r? @eddyb

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mark-i-m · 2019-12-11T22:52:39Z

@rustbot modify labels: +S-blocked -S-waiting-on-review

Blocked on #66886 merging (which should happen soon)

cc @eddyb @matthewjasper

rust-highfive · 2019-12-11T23:06:04Z

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2019-12-11T22:52:12.4888401Z ========================== Starting Command Output ===========================
2019-12-11T22:52:12.4892514Z [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/be45803e-018a-4843-ac2f-4545a75cbccf.sh
2019-12-11T22:52:12.4893053Z 2019-12-11T22:52:12.4898046Z ##[section]Finishing: Disable git automatic line ending conversion
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2019-12-11T22:52:12.4906444Z Author : Microsoft
---
2019-12-11T22:52:14.5439410Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-11T22:52:15.1893226Z ##[command]git config gc.auto 0
2019-12-11T22:52:15.1897776Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-11T22:52:15.1902257Z ##[command]git config --get-all http.proxy
2019-12-11T22:52:15.1911274Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-11T22:58:22.7539345Z Compiling serde_json v1.0.40
2019-12-11T22:58:24.6367223Z Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-12-11T22:58:36.6133405Z Finished release [optimized] target(s) in 1m 34s
2019-12-11T22:58:36.6245952Z tidy check
2019-12-11T22:58:37.6304437Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1566: TODO is deprecated; use FIXME
2019-12-11T22:58:37.6477665Z tidy error: /checkout/src/librustc_mir/borrow_check/region_infer/mod.rs:485: TODO is deprecated; use FIXME
2019-12-11T22:58:39.5841201Z Found 485 error codes
2019-12-11T22:58:39.5846696Z Found 0 error codes with no tests
2019-12-11T22:58:39.5846865Z Done!
2019-12-11T22:58:39.5846916Z some tidy checks failed
2019-12-11T22:58:39.5846916Z some tidy checks failed
2019-12-11T22:58:39.5846949Z 2019-12-11T22:58:39.5846977Z 2019-12-11T22:58:39.5847971Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-12-11T22:58:39.5848121Z 2019-12-11T22:58:39.5848148Z 2019-12-11T22:58:39.5852679Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-12-11T22:58:39.5852951Z Build completed unsuccessfully in 0:01:38
2019-12-11T22:58:39.5852951Z Build completed unsuccessfully in 0:01:38
2019-12-11T22:58:39.5902774Z == clock drift check ==
2019-12-11T22:58:39.5912670Z local time: Wed Dec 11 22:58:39 UTC 2019
2019-12-11T22:58:39.8737427Z network time: Wed, 11 Dec 2019 22:58:39 GMT
2019-12-11T22:58:39.8744167Z == end clock drift check ==
2019-12-11T22:58:41.1903851Z 2019-12-11T22:58:41.2030046Z ##[error]Bash exited with code '1'.
2019-12-11T22:58:41.2044974Z ##[section]Finishing: Run build
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2019-12-11T22:58:41.2063673Z Version : 1.0.0
2019-12-11T22:58:41.2063714Z Author : Microsoft
2019-12-11T22:58:41.2063714Z Author : Microsoft
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bors · 2019-12-12T02:14:14Z

☔ The latest upstream changes (presumably #66650) made this pull request unmergeable. Please resolve the merge conflicts.

rust-highfive · 2019-12-12T03:54:56Z

The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

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2019-12-12T03:37:05.6832011Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-12T03:37:05.6853936Z ##[command]git config gc.auto 0
2019-12-12T03:37:05.6862465Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-12T03:37:05.6867364Z ##[command]git config --get-all http.proxy
2019-12-12T03:37:05.6872999Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-12T03:43:02.0959951Z Compiling serde_json v1.0.40
2019-12-12T03:43:03.8463074Z Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-12-12T03:43:14.8934959Z Finished release [optimized] target(s) in 1m 27s
2019-12-12T03:43:14.9048803Z tidy check
2019-12-12T03:43:15.7932224Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1566: TODO is deprecated; use FIXME
2019-12-12T03:43:15.8098230Z tidy error: /checkout/src/librustc_mir/borrow_check/region_infer/mod.rs:485: TODO is deprecated; use FIXME
2019-12-12T03:43:17.5182110Z some tidy checks failed
2019-12-12T03:43:17.5182198Z Found 485 error codes
2019-12-12T03:43:17.5182289Z Found 0 error codes with no tests
2019-12-12T03:43:17.5182330Z Done!
2019-12-12T03:43:17.5182330Z Done!
2019-12-12T03:43:17.5185701Z 2019-12-12T03:43:17.5186002Z 2019-12-12T03:43:17.5186940Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-12-12T03:43:17.5187304Z 2019-12-12T03:43:17.5187533Z 2019-12-12T03:43:17.5192434Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-12-12T03:43:17.5192524Z Build completed unsuccessfully in 0:01:30
2019-12-12T03:43:17.5192524Z Build completed unsuccessfully in 0:01:30
2019-12-12T03:43:17.5245761Z == clock drift check ==
2019-12-12T03:43:17.5255116Z local time: Thu Dec 12 03:43:17 UTC 2019
2019-12-12T03:43:17.8046591Z network time: Thu, 12 Dec 2019 03:43:17 GMT
2019-12-12T03:43:17.8050230Z == end clock drift check ==
2019-12-12T03:43:19.7919913Z 2019-12-12T03:43:19.8005357Z ##[error]Bash exited with code '1'.
2019-12-12T03:43:19.8038079Z ##[section]Starting: Checkout
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rust-highfive · 2019-12-12T19:12:29Z

The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

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2019-12-12T18:55:21.6838740Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-12T18:55:22.6761514Z ##[command]git config gc.auto 0
2019-12-12T18:55:22.6766255Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-12T18:55:22.6769435Z ##[command]git config --get-all http.proxy
2019-12-12T18:55:22.6772100Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-12T19:01:13.7457246Z Compiling serde_json v1.0.40
2019-12-12T19:01:15.6177252Z Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-12-12T19:01:26.7016792Z Finished release [optimized] target(s) in 1m 29s
2019-12-12T19:01:26.7132531Z tidy check
2019-12-12T19:01:27.6541168Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1566: TODO is deprecated; use FIXME
2019-12-12T19:01:27.6712107Z tidy error: /checkout/src/librustc_mir/borrow_check/region_infer/mod.rs:485: TODO is deprecated; use FIXME
2019-12-12T19:01:29.5139704Z some tidy checks failed
2019-12-12T19:01:29.5140577Z Found 485 error codes
2019-12-12T19:01:29.5141020Z Found 0 error codes with no tests
2019-12-12T19:01:29.5141323Z Done!
2019-12-12T19:01:29.5141323Z Done!
2019-12-12T19:01:29.5144904Z 2019-12-12T19:01:29.5145245Z 2019-12-12T19:01:29.5146466Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-12-12T19:01:29.5147087Z 2019-12-12T19:01:29.5147312Z 2019-12-12T19:01:29.5154327Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-12-12T19:01:29.5154407Z Build completed unsuccessfully in 0:01:33
2019-12-12T19:01:29.5154407Z Build completed unsuccessfully in 0:01:33
2019-12-12T19:01:29.5213732Z == clock drift check ==
2019-12-12T19:01:29.5223739Z local time: Thu Dec 12 19:01:29 UTC 2019
2019-12-12T19:01:30.3167237Z network time: Thu, 12 Dec 2019 19:01:29 GMT
2019-12-12T19:01:30.3167862Z == end clock drift check ==
2019-12-12T19:01:30.9172804Z 2019-12-12T19:01:30.9259162Z ##[error]Bash exited with code '1'.
2019-12-12T19:01:30.9290340Z ##[section]Starting: Checkout
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mark-i-m · 2019-12-13T00:10:39Z

Ok, so this is looking like it will be one of those PRs that later get split up into smaller PRs...

I'm going to leave some notes to self here:

I need to look through all the places where errors_buffer.buffer(diag) is called. These represent all of the types of errors that can occur.
I would like to create an enum with a variant for each possible type of error and the needed information for generating an error diagnostic. The new RegionErrors type collects these as errors are encountered.
After borrow checking, we now have a big list of errors of various times with their corresponding metadata. We can use this list to generate diagnostics after the MirBorrowckCtx is created.
I'm moving all of the error-handling code out of region_infer into region_errors, where they belong... This means that the logic left in region_infer will be purely the region inference logic.

rust-highfive · 2019-12-13T00:19:37Z

The job mingw-check of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

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2019-12-13T00:11:23.3768783Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-13T00:11:23.4033458Z ##[command]git config gc.auto 0
2019-12-13T00:11:23.4121234Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-13T00:11:23.4191153Z ##[command]git config --get-all http.proxy
2019-12-13T00:11:23.4341400Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-13T00:19:12.2650662Z Checking rustc_typeck v0.0.0 (/checkout/src/librustc_typeck)
2019-12-13T00:19:14.0010951Z Checking rustc_lint v0.0.0 (/checkout/src/librustc_lint)
2019-12-13T00:19:15.4923886Z Checking rustc_traits v0.0.0 (/checkout/src/librustc_traits)
2019-12-13T00:19:16.5840645Z Checking rustc_mir v0.0.0 (/checkout/src/librustc_mir)
2019-12-13T00:19:17.5597291Z error[E0433]: failed to resolve: use of undeclared type or module `ClosureOutlivesSubject`
2019-12-13T00:19:17.5598063Z |
2019-12-13T00:19:17.5598063Z |
2019-12-13T00:19:17.5603116Z 165 | subject: ClosureOutlivesSubject::Region(fr_minus),
2019-12-13T00:19:17.5603876Z | ^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `ClosureOutlivesSubject`
2019-12-13T00:19:17.5603940Z 2019-12-13T00:19:17.9217644Z error[E0412]: cannot find type `ClosureOutlivesRequirement` in this scope
2019-12-13T00:19:17.9218358Z |
2019-12-13T00:19:17.9218358Z |
2019-12-13T00:19:17.9219275Z 127 | propagated_outlives_requirements: &mut Option<&mut Vec<ClosureOutlivesRequirement<'tcx>>>,
2019-12-13T00:19:17.9220066Z |
2019-12-13T00:19:17.9220345Z help: possible candidate is found in another module, you can import it into scope
2019-12-13T00:19:17.9220563Z |
2019-12-13T00:19:17.9220563Z |
2019-12-13T00:19:17.9220881Z 3 | use rustc::mir::ClosureOutlivesRequirement;
2019-12-13T00:19:17.9221141Z 2019-12-13T00:19:17.9277894Z error[E0412]: cannot find type `ErrorReported` in this scope
2019-12-13T00:19:17.9278252Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:131:17
2019-12-13T00:19:17.9278518Z |
2019-12-13T00:19:17.9278518Z |
2019-12-13T00:19:17.9278844Z 131 | ) -> Option<ErrorReported> {
2019-12-13T00:19:17.9279426Z |
2019-12-13T00:19:17.9279746Z help: possible candidates are found in other modules, you can import them into scope
2019-12-13T00:19:17.9279968Z |
2019-12-13T00:19:17.9279968Z |
2019-12-13T00:19:17.9280254Z 3 | use rustc::util::common::ErrorReported;
2019-12-13T00:19:17.9280790Z 3 | use rustc_errors::ErrorReported;
2019-12-13T00:19:17.9281009Z |
2019-12-13T00:19:17.9281063Z 2019-12-13T00:19:17.9281063Z 2019-12-13T00:19:17.9369562Z error[E0422]: cannot find struct, variant or union type `ClosureOutlivesRequirement` in this scope
2019-12-13T00:19:17.9370247Z |
2019-12-13T00:19:17.9370247Z |
2019-12-13T00:19:17.9370624Z 164 | propagated_outlives_requirements.push(ClosureOutlivesRequirement {
2019-12-13T00:19:17.9371360Z |
2019-12-13T00:19:17.9371679Z help: possible candidate is found in another module, you can import it into scope
2019-12-13T00:19:17.9371964Z |
2019-12-13T00:19:17.9371964Z |
2019-12-13T00:19:17.9372288Z 3 | use rustc::mir::ClosureOutlivesRequirement;
2019-12-13T00:19:17.9372586Z 2019-12-13T00:19:17.9372888Z error[E0425]: cannot find value `ErrorReported` in this scope
2019-12-13T00:19:17.9373206Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:196:14
2019-12-13T00:19:17.9373466Z |
2019-12-13T00:19:17.9373466Z |
2019-12-13T00:19:17.9373763Z 196 | Some(ErrorReported)
2019-12-13T00:19:17.9374117Z | ^^^^^^^^^^^^^ not found in this scope
2019-12-13T00:19:17.9374618Z |
2019-12-13T00:19:17.9375174Z help: possible candidates are found in other modules, you can import them into scope
2019-12-13T00:19:17.9375544Z |
2019-12-13T00:19:17.9375836Z 3 | use rustc::util::common::ErrorReported;
2019-12-13T00:19:17.9376295Z 3 | use rustc_errors::ErrorReported;
2019-12-13T00:19:17.9376519Z |
2019-12-13T00:19:17.9376550Z 2019-12-13T00:19:18.2333190Z error: unused import: `Diagnostic`
2019-12-13T00:19:18.2333190Z error: unused import: `Diagnostic`
2019-12-13T00:19:18.2333559Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:21:20
2019-12-13T00:19:18.2333818Z |
2019-12-13T00:19:18.2334121Z 21 | use rustc_errors::{Diagnostic, DiagnosticBuilder};
2019-12-13T00:19:18.2334616Z |
2019-12-13T00:19:18.2335020Z = note: `-D unused-imports` implied by `-D warnings`
2019-12-13T00:19:18.2335058Z 2019-12-13T00:19:20.6131297Z error[E0308]: mismatched types
2019-12-13T00:19:20.6131297Z error[E0308]: mismatched types
2019-12-13T00:19:20.6131702Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:194:19
2019-12-13T00:19:20.6132037Z |
2019-12-13T00:19:20.6132366Z 194 | db.buffer(errors_buffer);
2019-12-13T00:19:20.6132860Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:20.6133167Z |
2019-12-13T00:19:20.6133527Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-13T00:19:20.6133873Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:20.6179586Z error[E0624]: method `universal_upper_bound` is private
2019-12-13T00:19:20.6179952Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:216:36
2019-12-13T00:19:20.6180192Z |
2019-12-13T00:19:20.6180192Z |
2019-12-13T00:19:20.6180495Z 216 | let upper_bound = self.universal_upper_bound(r);
2019-12-13T00:19:20.6180898Z 2019-12-13T00:19:20.9785552Z Checking rustc_passes v0.0.0 (/checkout/src/librustc_passes)
2019-12-13T00:19:21.5334652Z error[E0308]: mismatched types
2019-12-13T00:19:21.5335182Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:914:29
2019-12-13T00:19:21.5335182Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:914:29
2019-12-13T00:19:21.5335459Z |
2019-12-13T00:19:21.5335784Z 914 | .buffer(errors_buffer);
2019-12-13T00:19:21.5336288Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.5336841Z |
2019-12-13T00:19:21.5337351Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-13T00:19:21.5337736Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.6262250Z error[E0308]: mismatched types
2019-12-13T00:19:21.6262690Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:931:29
2019-12-13T00:19:21.6262955Z |
2019-12-13T00:19:21.6262955Z |
2019-12-13T00:19:21.6263307Z 931 | .buffer(errors_buffer);
2019-12-13T00:19:21.6263788Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.6264092Z |
2019-12-13T00:19:21.6264502Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-13T00:19:21.6264840Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.7619184Z error[E0308]: mismatched types
2019-12-13T00:19:21.7619629Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1366:63
2019-12-13T00:19:21.7619895Z |
2019-12-13T00:19:21.7619895Z |
2019-12-13T00:19:21.7620319Z 1366 | outlives_suggestion.add_suggestion(body, self, infcx, errors_buffer, region_naming);
2019-12-13T00:19:21.7620907Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.7621197Z |
2019-12-13T00:19:21.7621568Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-13T00:19:21.7621902Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.7707075Z error[E0624]: method `report_or_propagate_universal_region_error` is private
2019-12-13T00:19:21.7707640Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1440:18
2019-12-13T00:19:21.7708062Z |
2019-12-13T00:19:21.7708448Z 1440 | self.report_or_propagate_universal_region_error(
2019-12-13T00:19:21.7708448Z 1440 | self.report_or_propagate_universal_region_error(
2019-12-13T00:19:21.7708844Z | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2019-12-13T00:19:21.7713781Z 2019-12-13T00:19:21.8652606Z error[E0308]: mismatched types
2019-12-13T00:19:21.8653036Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1474:63
2019-12-13T00:19:21.8653409Z |
2019-12-13T00:19:21.8653838Z 1474 | outlives_suggestion.add_suggestion(body, self, infcx, errors_buffer, region_naming);
2019-12-13T00:19:21.8654408Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.8655014Z |
2019-12-13T00:19:21.8655545Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-13T00:19:21.8655976Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.8719794Z error[E0624]: method `report_or_propagate_universal_region_error` is private
2019-12-13T00:19:21.8720202Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1580:14
2019-12-13T00:19:21.8720465Z |
2019-12-13T00:19:21.8720805Z 1580 | self.report_or_propagate_universal_region_error(
2019-12-13T00:19:21.8720805Z 1580 | self.report_or_propagate_universal_region_error(
2019-12-13T00:19:21.8721192Z | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2019-12-13T00:19:21.8726244Z 2019-12-13T00:19:21.9846039Z error[E0308]: mismatched types
2019-12-13T00:19:21.9846580Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1689:21
2019-12-13T00:19:21.9846900Z |
2019-12-13T00:19:21.9847284Z 1689 | .buffer(errors_buffer);
2019-12-13T00:19:21.9847795Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:21.9848090Z |
2019-12-13T00:19:21.9848572Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-13T00:19:21.9848954Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-13T00:19:22.1447884Z Checking rustc_codegen_utils v0.0.0 (/checkout/src/librustc_codegen_utils)
2019-12-13T00:19:22.7293406Z Checking rustc_plugin_impl v0.0.0 (/checkout/src/librustc_plugin_impl)
2019-12-13T00:19:22.9672329Z Checking rustc_resolve v0.0.0 (/checkout/src/librustc_resolve)
2019-12-13T00:19:25.6225334Z Checking rustc_privacy v0.0.0 (/checkout/src/librustc_privacy)
---
2019-12-13T00:19:30.1470075Z local time: Fri Dec 13 00:19:30 UTC 2019
2019-12-13T00:19:30.2880365Z network time: Fri, 13 Dec 2019 00:19:30 GMT
2019-12-13T00:19:30.2880644Z == end clock drift check ==
2019-12-13T00:19:31.6764596Z 2019-12-13T00:19:31.6878253Z ##[error]Bash exited with code '1'.
2019-12-13T00:19:31.6908446Z ##[section]Starting: Checkout
2019-12-13T00:19:31.6909993Z ==============================================================================
2019-12-13T00:19:31.6910060Z Task : Get sources
2019-12-13T00:19:31.6910102Z Description : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

rust-highfive · 2019-12-14T04:52:52Z

The job mingw-check of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-14T04:44:20.7920804Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-14T04:44:21.7607706Z ##[command]git config gc.auto 0
2019-12-14T04:44:21.7610637Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-14T04:44:21.7612394Z ##[command]git config --get-all http.proxy
2019-12-14T04:44:21.7614692Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-14T04:51:50.1120013Z Checking syntax_ext v0.0.0 (/checkout/src/libsyntax_ext)
2019-12-14T04:52:30.7742856Z Checking rustc_typeck v0.0.0 (/checkout/src/librustc_typeck)
2019-12-14T04:52:32.4842955Z Checking rustc_lint v0.0.0 (/checkout/src/librustc_lint)
2019-12-14T04:52:34.0524871Z Checking rustc_mir v0.0.0 (/checkout/src/librustc_mir)
2019-12-14T04:52:34.9277605Z error[E0433]: failed to resolve: use of undeclared type or module `ClosureOutlivesSubject`
2019-12-14T04:52:34.9278462Z |
2019-12-14T04:52:34.9278462Z |
2019-12-14T04:52:34.9278856Z 175 | subject: ClosureOutlivesSubject::Region(fr_minus),
2019-12-14T04:52:34.9279348Z | ^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `ClosureOutlivesSubject`
2019-12-14T04:52:35.2517420Z error[E0412]: cannot find type `GenericKind` in this scope
2019-12-14T04:52:35.2517867Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:73:18
2019-12-14T04:52:35.2518136Z |
2019-12-14T04:52:35.2518524Z 73 | generic: GenericKind<'tcx>,
2019-12-14T04:52:35.2518524Z 73 | generic: GenericKind<'tcx>,
2019-12-14T04:52:35.2518923Z | ^^^^^^^^^^^ not found in this scope
2019-12-14T04:52:35.2519195Z |
2019-12-14T04:52:35.2519521Z help: possible candidate is found in another module, you can import it into scope
2019-12-14T04:52:35.2519821Z |
2019-12-14T04:52:35.2520166Z 3 | use rustc::infer::region_constraints::GenericKind;
2019-12-14T04:52:35.2520406Z |
2019-12-14T04:52:35.2520443Z 2019-12-14T04:52:35.2560028Z error[E0412]: cannot find type `ClosureOutlivesRequirement` in this scope
2019-12-14T04:52:35.2560742Z |
2019-12-14T04:52:35.2560742Z |
2019-12-14T04:52:35.2561202Z 137 | propagated_outlives_requirements: &mut Option<&mut Vec<ClosureOutlivesRequirement<'tcx>>>,
2019-12-14T04:52:35.2561985Z |
2019-12-14T04:52:35.2562365Z help: possible candidate is found in another module, you can import it into scope
2019-12-14T04:52:35.2562641Z |
2019-12-14T04:52:35.2562641Z |
2019-12-14T04:52:35.2563013Z 3 | use rustc::mir::ClosureOutlivesRequirement;
2019-12-14T04:52:35.2563325Z 2019-12-14T04:52:35.2657098Z error[E0412]: cannot find type `ErrorReported` in this scope
2019-12-14T04:52:35.2657584Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:141:17
2019-12-14T04:52:35.2657839Z |
2019-12-14T04:52:35.2657839Z |
2019-12-14T04:52:35.2658169Z 141 | ) -> Option<ErrorReported> {
2019-12-14T04:52:35.2658955Z |
2019-12-14T04:52:35.2659305Z help: possible candidates are found in other modules, you can import them into scope
2019-12-14T04:52:35.2659546Z |
2019-12-14T04:52:35.2659546Z |
2019-12-14T04:52:35.2659857Z 3 | use rustc::util::common::ErrorReported;
2019-12-14T04:52:35.2660431Z 3 | use rustc_errors::ErrorReported;
2019-12-14T04:52:35.2660672Z |
2019-12-14T04:52:35.2660727Z 2019-12-14T04:52:35.2660727Z 2019-12-14T04:52:35.2661067Z error[E0422]: cannot find struct, variant or union type `ClosureOutlivesRequirement` in this scope
2019-12-14T04:52:35.2661713Z |
2019-12-14T04:52:35.2661713Z |
2019-12-14T04:52:35.2662113Z 174 | propagated_outlives_requirements.push(ClosureOutlivesRequirement {
2019-12-14T04:52:35.2662895Z |
2019-12-14T04:52:35.2663249Z help: possible candidate is found in another module, you can import it into scope
2019-12-14T04:52:35.2663542Z |
2019-12-14T04:52:35.2663542Z |
2019-12-14T04:52:35.2663893Z 3 | use rustc::mir::ClosureOutlivesRequirement;
2019-12-14T04:52:35.2664228Z 2019-12-14T04:52:35.2664555Z error[E0425]: cannot find value `ErrorReported` in this scope
2019-12-14T04:52:35.2664907Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:206:14
2019-12-14T04:52:35.2665189Z |
2019-12-14T04:52:35.2665189Z |
2019-12-14T04:52:35.2665525Z 206 | Some(ErrorReported)
2019-12-14T04:52:35.2665927Z | ^^^^^^^^^^^^^ not found in this scope
2019-12-14T04:52:35.2666222Z |
2019-12-14T04:52:35.2667079Z help: possible candidates are found in other modules, you can import them into scope
2019-12-14T04:52:35.2667347Z |
2019-12-14T04:52:35.2667681Z 3 | use rustc::util::common::ErrorReported;
2019-12-14T04:52:35.2668227Z 3 | use rustc_errors::ErrorReported;
2019-12-14T04:52:35.2668484Z |
2019-12-14T04:52:35.2668520Z 2019-12-14T04:52:35.5595289Z error: unused import: `Diagnostic`
2019-12-14T04:52:35.5595289Z error: unused import: `Diagnostic`
2019-12-14T04:52:35.5595617Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:21:20
2019-12-14T04:52:35.5596038Z |
2019-12-14T04:52:35.5596915Z 21 | use rustc_errors::{Diagnostic, DiagnosticBuilder};
2019-12-14T04:52:35.5597654Z |
2019-12-14T04:52:35.5597958Z = note: `-D unused-imports` implied by `-D warnings`
2019-12-14T04:52:35.5597997Z 2019-12-14T04:52:37.9295008Z error[E0308]: mismatched types
2019-12-14T04:52:37.9295008Z error[E0308]: mismatched types
2019-12-14T04:52:37.9297127Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:204:19
2019-12-14T04:52:37.9297989Z |
2019-12-14T04:52:37.9298776Z 204 | db.buffer(errors_buffer);
2019-12-14T04:52:37.9299722Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:37.9300381Z |
2019-12-14T04:52:37.9301177Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-14T04:52:37.9301933Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:37.9342311Z error[E0624]: method `universal_upper_bound` is private
2019-12-14T04:52:37.9343145Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:226:36
2019-12-14T04:52:37.9343874Z |
2019-12-14T04:52:37.9343874Z |
2019-12-14T04:52:37.9344639Z 226 | let upper_bound = self.universal_upper_bound(r);
2019-12-14T04:52:37.9345725Z 2019-12-14T04:52:38.8241930Z error[E0308]: mismatched types
2019-12-14T04:52:38.8242305Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:915:29
2019-12-14T04:52:38.8242507Z |
2019-12-14T04:52:38.8242507Z |
2019-12-14T04:52:38.8242786Z 915 | .buffer(errors_buffer);
2019-12-14T04:52:38.8243151Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:38.8243374Z |
2019-12-14T04:52:38.8243671Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-14T04:52:38.8243933Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:39.2080322Z Checking rustc_passes v0.0.0 (/checkout/src/librustc_passes)
2019-12-14T04:52:39.2718197Z error[E0308]: mismatched types
2019-12-14T04:52:39.2718668Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:926:36
2019-12-14T04:52:39.2718934Z |
2019-12-14T04:52:39.2718934Z |
2019-12-14T04:52:39.2719311Z 926 | errors_buffer.push(RegionErrorKind::TypeTestDoesNotLiveLongEnough {
2019-12-14T04:52:39.2720344Z 927 | | span: type_test_span,
2019-12-14T04:52:39.2720344Z 927 | | span: type_test_span,
2019-12-14T04:52:39.2720715Z 928 | | generic: type_test.generic_kind,
2019-12-14T04:52:39.2721246Z 929 | | });
2019-12-14T04:52:39.2721660Z | |_________________^ expected (), found enum `borrow_check::diagnostics::region_errors::RegionErrorKind`
2019-12-14T04:52:39.2722238Z = note: expected type `()`
2019-12-14T04:52:39.2722578Z found type `borrow_check::diagnostics::region_errors::RegionErrorKind<'_>`
2019-12-14T04:52:39.2727849Z 2019-12-14T04:52:39.4255505Z error[E0308]: mismatched types
2019-12-14T04:52:39.4255505Z error[E0308]: mismatched types
2019-12-14T04:52:39.4255872Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1374:63
2019-12-14T04:52:39.4256147Z |
2019-12-14T04:52:39.4256501Z 1374 | outlives_suggestion.add_suggestion(body, self, infcx, errors_buffer, region_naming);
2019-12-14T04:52:39.4256940Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:39.4257313Z |
2019-12-14T04:52:39.4258131Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-14T04:52:39.4258457Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:39.4258829Z error[E0624]: method `report_or_propagate_universal_region_error` is private
2019-12-14T04:52:39.4259119Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1448:18
2019-12-14T04:52:39.4259388Z |
2019-12-14T04:52:39.4259724Z 1448 | self.report_or_propagate_universal_region_error(
2019-12-14T04:52:39.4259724Z 1448 | self.report_or_propagate_universal_region_error(
2019-12-14T04:52:39.4260061Z | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2019-12-14T04:52:39.4260121Z 2019-12-14T04:52:39.5193578Z error[E0308]: mismatched types
2019-12-14T04:52:39.5195243Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1482:63
2019-12-14T04:52:39.5196000Z |
2019-12-14T04:52:39.5196791Z 1482 | outlives_suggestion.add_suggestion(body, self, infcx, errors_buffer, region_naming);
2019-12-14T04:52:39.5198497Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:39.5199192Z |
2019-12-14T04:52:39.5199802Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-14T04:52:39.5200674Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:39.5260883Z error[E0624]: method `report_or_propagate_universal_region_error` is private
2019-12-14T04:52:39.5261621Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1588:14
2019-12-14T04:52:39.5262441Z |
2019-12-14T04:52:39.5263065Z 1588 | self.report_or_propagate_universal_region_error(
2019-12-14T04:52:39.5263065Z 1588 | self.report_or_propagate_universal_region_error(
2019-12-14T04:52:39.5263642Z | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2019-12-14T04:52:39.5263852Z 2019-12-14T04:52:39.6191515Z error[E0308]: mismatched types
2019-12-14T04:52:39.6192574Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1697:21
2019-12-14T04:52:39.6193149Z |
2019-12-14T04:52:39.6193703Z 1697 | .buffer(errors_buffer);
2019-12-14T04:52:39.6194419Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:39.6194933Z |
2019-12-14T04:52:39.6195581Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-14T04:52:39.6196147Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-14T04:52:40.3562679Z Checking rustc_traits v0.0.0 (/checkout/src/librustc_traits)
2019-12-14T04:52:41.5389445Z Checking rustc_codegen_utils v0.0.0 (/checkout/src/librustc_codegen_utils)
2019-12-14T04:52:42.1231724Z Checking rustc_plugin_impl v0.0.0 (/checkout/src/librustc_plugin_impl)
2019-12-14T04:52:42.3313944Z Checking rustc_resolve v0.0.0 (/checkout/src/librustc_resolve)
---
2019-12-14T04:52:45.1079103Z For more information about an error, try `rustc --explain E0308`.
2019-12-14T04:52:45.1841980Z error: could not compile `rustc_mir`.
2019-12-14T04:52:45.1842327Z warning: build failed, waiting for other jobs to finish...
2019-12-14T04:52:45.4149934Z error: build failed
2019-12-14T04:52:45.4185944Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "check" "-Zconfig-profile" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "2" "--release" "--color" "always" "--features" " llvm" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json-render-diagnostics"
2019-12-14T04:52:45.4198482Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap check
2019-12-14T04:52:45.4199049Z Build completed unsuccessfully in 0:05:02
2019-12-14T04:52:45.4261835Z == clock drift check ==
2019-12-14T04:52:45.4279188Z local time: Sat Dec 14 04:52:45 UTC 2019
2019-12-14T04:52:45.4279188Z local time: Sat Dec 14 04:52:45 UTC 2019
2019-12-14T04:52:45.7102655Z network time: Sat, 14 Dec 2019 04:52:45 GMT
2019-12-14T04:52:45.7108060Z == end clock drift check ==
2019-12-14T04:52:46.9444834Z 2019-12-14T04:52:46.9560036Z ##[error]Bash exited with code '1'.
2019-12-14T04:52:46.9593170Z ##[section]Starting: Checkout
2019-12-14T04:52:46.9595222Z ==============================================================================
2019-12-14T04:52:46.9595285Z Task : Get sources
2019-12-14T04:52:46.9595516Z Description : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

rust-highfive · 2019-12-16T02:24:58Z

The job mingw-check of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-16T02:16:49.9643403Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-16T02:16:50.9809493Z ##[command]git config gc.auto 0
2019-12-16T02:16:50.9815290Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-16T02:16:50.9818660Z ##[command]git config --get-all http.proxy
2019-12-16T02:16:50.9820840Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-16T02:24:41.2310846Z Checking rustc_mir v0.0.0 (/checkout/src/librustc_mir)
2019-12-16T02:24:44.8391518Z error[E0624]: method `universal_upper_bound` is private
2019-12-16T02:24:44.8393370Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:167:36
2019-12-16T02:24:44.8393928Z |
2019-12-16T02:24:44.8394496Z 167 | let upper_bound = self.universal_upper_bound(r);
2019-12-16T02:24:44.8395234Z 2019-12-16T02:24:46.1294300Z error[E0308]: mismatched types
2019-12-16T02:24:46.1301464Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1467:16
2019-12-16T02:24:46.1302544Z |
2019-12-16T02:24:46.1302544Z |
2019-12-16T02:24:46.1302776Z 1467 | if propagated {
2019-12-16T02:24:46.1303100Z | ^^^^^^^^^^ expected bool, found enum `std::option::Option`
2019-12-16T02:24:46.1303315Z |
2019-12-16T02:24:46.1303731Z = note: expected type `bool`
2019-12-16T02:24:46.1303966Z found type `std::option::Option<syntax::rustc_errors::ErrorReported>`
2019-12-16T02:24:46.1304358Z error[E0308]: mismatched types
2019-12-16T02:24:46.1304593Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1468:24
2019-12-16T02:24:46.1304767Z |
2019-12-16T02:24:46.1304975Z 1468 | return None;
---
2019-12-16T02:24:46.1306808Z |
2019-12-16T02:24:46.1307048Z 1485 | longer_fr,
2019-12-16T02:24:46.1307295Z | ^^^^^^^^^
2019-12-16T02:24:46.1307526Z | |
2019-12-16T02:24:46.1307795Z | expected struct `rustc::ty::RegionVid`, found reference
2019-12-16T02:24:46.1308083Z | help: consider dereferencing the borrow: `*longer_fr`
2019-12-16T02:24:46.1309102Z = note: expected type `rustc::ty::RegionVid`
2019-12-16T02:24:46.1309381Z found type `&rustc::ty::RegionVid`
2019-12-16T02:24:46.1309419Z 2019-12-16T02:24:46.1309668Z error[E0308]: mismatched types
2019-12-16T02:24:46.1309668Z error[E0308]: mismatched types
2019-12-16T02:24:46.1309969Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1487:17
2019-12-16T02:24:46.1310188Z |
2019-12-16T02:24:46.1310598Z 1487 | shorter_fr,
2019-12-16T02:24:46.1310941Z | ^^^^^^^^^^
2019-12-16T02:24:46.1311211Z | |
2019-12-16T02:24:46.1311529Z | expected struct `rustc::ty::RegionVid`, found reference
2019-12-16T02:24:46.1312086Z | help: consider dereferencing the borrow: `*shorter_fr`
2019-12-16T02:24:46.1312755Z = note: expected type `rustc::ty::RegionVid`
2019-12-16T02:24:46.1313146Z found type `&rustc::ty::RegionVid`
2019-12-16T02:24:46.1313175Z 2019-12-16T02:24:46.1313371Z error[E0308]: mismatched types
2019-12-16T02:24:46.1313371Z error[E0308]: mismatched types
2019-12-16T02:24:46.1313616Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1488:17
2019-12-16T02:24:46.1313789Z |
2019-12-16T02:24:46.1314010Z 1488 | outlives_suggestion,
2019-12-16T02:24:46.1314248Z | ^^^^^^^^^^^^^^^^^^^
2019-12-16T02:24:46.1314461Z | |
2019-12-16T02:24:46.1314928Z | expected mutable reference, found struct `borrow_check::diagnostics::outlives_suggestion::OutlivesSuggestionBuilder`
2019-12-16T02:24:46.1315389Z |
2019-12-16T02:24:46.1315389Z |
2019-12-16T02:24:46.1315661Z = note: expected type `&mut borrow_check::diagnostics::outlives_suggestion::OutlivesSuggestionBuilder<'_>`
2019-12-16T02:24:46.1315928Z found type `borrow_check::diagnostics::outlives_suggestion::OutlivesSuggestionBuilder<'_>`
2019-12-16T02:24:46.1316139Z error[E0308]: mismatched types
2019-12-16T02:24:46.1316375Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1492:23
2019-12-16T02:24:46.1316548Z |
2019-12-16T02:24:46.1316548Z |
2019-12-16T02:24:46.1316761Z 1492 | db.buffer(errors_buffer);
2019-12-16T02:24:46.1317106Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-16T02:24:46.1317286Z |
2019-12-16T02:24:46.1317554Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-16T02:24:46.1318216Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors<'tcx>`
2019-12-16T02:24:46.2438391Z error[E0308]: mismatched types
2019-12-16T02:24:46.2438877Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1634:12
2019-12-16T02:24:46.2439201Z |
2019-12-16T02:24:46.2439509Z 1634 | if propagated {
2019-12-16T02:24:46.2439509Z 1634 | if propagated {
2019-12-16T02:24:46.2440102Z | ^^^^^^^^^^ expected bool, found enum `std::option::Option`
2019-12-16T02:24:46.2440416Z |
2019-12-16T02:24:46.2440751Z = note: expected type `bool`
2019-12-16T02:24:46.2441072Z found type `std::option::Option<syntax::rustc_errors::ErrorReported>`
2019-12-16T02:24:46.2569005Z Checking rustc_lint v0.0.0 (/checkout/src/librustc_lint)
2019-12-16T02:24:46.3416429Z error[E0308]: mismatched types
2019-12-16T02:24:46.3417103Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1660:19
2019-12-16T02:24:46.3417528Z |
2019-12-16T02:24:46.3417528Z |
2019-12-16T02:24:46.3418410Z 1660 | db.buffer(errors_buffer);
2019-12-16T02:24:46.3418917Z | ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `borrow_check::diagnostics::region_errors::RegionErrors`
2019-12-16T02:24:46.3419159Z |
2019-12-16T02:24:46.3419499Z = note: expected type `&mut std::vec::Vec<syntax::rustc_errors::Diagnostic>`
2019-12-16T02:24:46.3419830Z found type `&mut borrow_check::diagnostics::region_errors::RegionErrors<'tcx>`
2019-12-16T02:24:46.3492610Z error[E0308]: mismatched types
2019-12-16T02:24:46.3492895Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1712:24
2019-12-16T02:24:46.3493081Z |
2019-12-16T02:24:46.3493081Z |
2019-12-16T02:24:46.3493299Z 1680 | ) -> Option<ErrorReported> {
2019-12-16T02:24:46.3493633Z | --------------------- expected `std::option::Option<syntax::rustc_errors::ErrorReported>` because of return type
2019-12-16T02:24:46.3494023Z 1712 | return true;
2019-12-16T02:24:46.3494300Z | ^^^^ expected enum `std::option::Option`, found bool
2019-12-16T02:24:46.3494481Z |
2019-12-16T02:24:46.3494481Z |
2019-12-16T02:24:46.3494751Z = note: expected type `std::option::Option<syntax::rustc_errors::ErrorReported>`
2019-12-16T02:24:46.3499782Z 2019-12-16T02:24:46.4464500Z error[E0308]: mismatched types
2019-12-16T02:24:46.4464806Z --> src/librustc_mir/borrow_check/region_infer/mod.rs:1716:9
2019-12-16T02:24:46.4464981Z |
2019-12-16T02:24:46.4464981Z |
2019-12-16T02:24:46.4465221Z 1680 | ) -> Option<ErrorReported> {
2019-12-16T02:24:46.4465547Z | --------------------- expected `std::option::Option<syntax::rustc_errors::ErrorReported>` because of return type
2019-12-16T02:24:46.4465970Z 1716 | false
2019-12-16T02:24:46.4466386Z | ^^^^^ expected enum `std::option::Option`, found bool
2019-12-16T02:24:46.4466780Z |
2019-12-16T02:24:46.4466780Z |
2019-12-16T02:24:46.4467043Z = note: expected type `std::option::Option<syntax::rustc_errors::ErrorReported>`
2019-12-16T02:24:46.4473313Z 2019-12-16T02:24:47.7752752Z Checking rustc_passes v0.0.0 (/checkout/src/librustc_passes)
2019-12-16T02:24:48.7903593Z Checking rustc_codegen_utils v0.0.0 (/checkout/src/librustc_codegen_utils)
2019-12-16T02:24:49.3149961Z Checking rustc_plugin_impl v0.0.0 (/checkout/src/librustc_plugin_impl)
---
2019-12-16T02:24:51.6923627Z For more information about an error, try `rustc --explain E0308`.
2019-12-16T02:24:51.7589509Z error: could not compile `rustc_mir`.
2019-12-16T02:24:51.7589950Z warning: build failed, waiting for other jobs to finish...
2019-12-16T02:24:52.0606744Z error: build failed
2019-12-16T02:24:52.0643684Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "check" "-Zconfig-profile" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "2" "--release" "--color" "always" "--features" " llvm" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json-render-diagnostics"
2019-12-16T02:24:52.0663247Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap check
2019-12-16T02:24:52.0664286Z Build completed unsuccessfully in 0:04:47
2019-12-16T02:24:52.0718832Z == clock drift check ==
2019-12-16T02:24:52.0733472Z local time: Mon Dec 16 02:24:52 UTC 2019
2019-12-16T02:24:52.0733472Z local time: Mon Dec 16 02:24:52 UTC 2019
2019-12-16T02:24:52.3574353Z network time: Mon, 16 Dec 2019 02:24:52 GMT
2019-12-16T02:24:52.3575872Z == end clock drift check ==
2019-12-16T02:24:53.5785271Z 2019-12-16T02:24:53.5877705Z ##[error]Bash exited with code '1'.
2019-12-16T02:24:53.5903766Z ##[section]Starting: Checkout
2019-12-16T02:24:53.5905726Z ==============================================================================
2019-12-16T02:24:53.5905806Z Task : Get sources
2019-12-16T02:24:53.5905846Z Description : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

mark-i-m · 2019-12-16T16:54:52Z

That last commit was quite satisfying! Look at all of those arguments that were being passed around solely to generate diagnostics!

rust-highfive · 2019-12-16T17:03:29Z

The job mingw-check of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-16T16:54:32.8309764Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-16T16:54:32.8576186Z ##[command]git config gc.auto 0
2019-12-16T16:54:32.8672100Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-16T16:54:32.8739735Z ##[command]git config --get-all http.proxy
2019-12-16T16:54:32.8907127Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-16T17:03:08.3312255Z Checking rustc_resolve v0.0.0 (/checkout/src/librustc_resolve)
2019-12-16T17:03:11.1136586Z Checking rustc_privacy v0.0.0 (/checkout/src/librustc_privacy)
2019-12-16T17:03:11.6615207Z Checking rustc_codegen_ssa v0.0.0 (/checkout/src/librustc_codegen_ssa)
2019-12-16T17:03:16.0426316Z Checking rustc_save_analysis v0.0.0 (/checkout/src/librustc_save_analysis)
2019-12-16T17:03:17.1842977Z error: method is never used: `get_var_name_and_span_for_region`
2019-12-16T17:03:17.1843396Z --> src/librustc_mir/borrow_check/diagnostics/var_name.rs:10:5
2019-12-16T17:03:17.1844660Z 10 | / crate fn get_var_name_and_span_for_region(
2019-12-16T17:03:17.1845039Z 11 | | &self,
2019-12-16T17:03:17.1867223Z 12 | | tcx: TyCtxt<'tcx>,
2019-12-16T17:03:17.1867684Z 13 | | body: &Body<'tcx>,
2019-12-16T17:03:17.1867684Z 13 | | body: &Body<'tcx>,
2019-12-16T17:03:17.1867995Z ... |
2019-12-16T17:03:17.1868311Z 33 | | })
2019-12-16T17:03:17.1868606Z 34 | | }
2019-12-16T17:03:17.1868887Z | |_____^
2019-12-16T17:03:17.1869112Z |
2019-12-16T17:03:17.1869397Z = note: `-D dead-code` implied by `-D warnings`
2019-12-16T17:03:17.1869452Z 2019-12-16T17:03:17.1869710Z error: method is never used: `was_named`
2019-12-16T17:03:17.1870319Z |
2019-12-16T17:03:17.1870319Z |
2019-12-16T17:03:17.1870621Z 109 | crate fn was_named(&self) -> bool {
2019-12-16T17:03:17.1871025Z 2019-12-16T17:03:17.1871025Z 2019-12-16T17:03:17.1954008Z error: enum is never used: `SuggestedConstraint`
2019-12-16T17:03:17.1954421Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:23:1
2019-12-16T17:03:17.1955038Z 23 | enum SuggestedConstraint {
2019-12-16T17:03:17.1955312Z | ^^^^^^^^^^^^^^^^^^^^^^^^
2019-12-16T17:03:17.1955406Z 2019-12-16T17:03:17.1955406Z 2019-12-16T17:03:17.1959177Z error: struct is never constructed: `OutlivesSuggestionBuilder`
2019-12-16T17:03:17.1959496Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:38:1
2019-12-16T17:03:17.1959759Z |
2019-12-16T17:03:17.1960059Z 38 | pub struct OutlivesSuggestionBuilder<'a> {
2019-12-16T17:03:17.1960385Z 2019-12-16T17:03:17.1972880Z error: method is never used: `new`
2019-12-16T17:03:17.1973215Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:54:5
2019-12-16T17:03:17.1973471Z |
2019-12-16T17:03:17.1973471Z |
2019-12-16T17:03:17.1975134Z 54 | / crate fn new(
2019-12-16T17:03:17.1975703Z 55 | | mir_def_id: DefId,
2019-12-16T17:03:17.1976202Z 56 | | local_names: &'a IndexVec<Local, Option<Symbol>>,
2019-12-16T17:03:17.1976822Z ... |
2019-12-16T17:03:17.1977134Z 62 | | }
2019-12-16T17:03:17.1977428Z 63 | | }
2019-12-16T17:03:17.1977698Z | |_____^
2019-12-16T17:03:17.1977698Z | |_____^
2019-12-16T17:03:17.1977747Z 2019-12-16T17:03:17.1978023Z error: method is never used: `region_name_is_suggestable`
2019-12-16T17:03:17.1978327Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:75:5
2019-12-16T17:03:17.1978731Z |
2019-12-16T17:03:17.1979089Z 75 | fn region_name_is_suggestable(name: &RegionName) -> bool {
2019-12-16T17:03:17.1979512Z 2019-12-16T17:03:17.1979789Z error: method is never used: `region_vid_to_name`
2019-12-16T17:03:17.1980093Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:98:5
2019-12-16T17:03:17.1980380Z |
2019-12-16T17:03:17.1980380Z |
2019-12-16T17:03:17.1980754Z 98 | / fn region_vid_to_name(
2019-12-16T17:03:17.1981673Z 99 | | &self,
2019-12-16T17:03:17.1982112Z 100 | | errctx: &ErrorReportingCtx<'_, '_, '_>,
2019-12-16T17:03:17.1982451Z 101 | | renctx: &mut RegionErrorNamingCtx,
2019-12-16T17:03:17.1983057Z 107 | | .filter(Self::region_name_is_suggestable)
2019-12-16T17:03:17.1983354Z 108 | | }
2019-12-16T17:03:17.1983641Z | |_____^
2019-12-16T17:03:17.1983678Z ---
2019-12-16T17:03:17.1987338Z 2019-12-16T17:03:17.1987596Z error: method is never used: `collect_constraint`
2019-12-16T17:03:17.1987915Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:203:5
2019-12-16T17:03:17.1988143Z |
2019-12-16T17:03:17.1988473Z 203 | crate fn collect_constraint(&mut self, fr: RegionVid, outlived_fr: RegionVid) {
2019-12-16T17:03:17.1988878Z 2019-12-16T17:03:17.1989153Z error: method is never used: `intermediate_suggestion`
2019-12-16T17:03:17.1989475Z --> src/librustc_mir/borrow_check/diagnostics/outlives_suggestion.rs:212:5
2019-12-16T17:03:17.1989703Z |
2019-12-16T17:03:17.1989703Z |
2019-12-16T17:03:17.1990025Z 212 | / crate fn intermediate_suggestion(
2019-12-16T17:03:17.1990347Z 213 | | &mut self,
2019-12-16T17:03:17.1990684Z 214 | | errctx: &ErrorReportingCtx<'_, '_, '_>,
2019-12-16T17:03:17.1991264Z 215 | | errci: &ErrorConstraintInfo,
2019-12-16T17:03:17.1991917Z 232 | | }
2019-12-16T17:03:17.1992212Z 233 | | }
2019-12-16T17:03:17.1992483Z | |_____^
2019-12-16T17:03:17.1992518Z ---
2019-12-16T17:03:17.2150376Z 238 | | &self,
2019-12-16T17:03:17.2150728Z 239 | | body: &Body<'tcx>,
2019-12-16T17:03:17.2151354Z 240 | | region_infcx: &RegionInferenceContext<'tcx>,
2019-12-16T17:03:17.2151701Z ... |
2019-12-16T17:03:17.2152037Z 317 | | diag.buffer(errors_buffer);
2019-12-16T17:03:17.2152613Z | |_____^
2019-12-16T17:03:17.2152862Z 2019-12-16T17:03:17.2183759Z error: field is never used: `region_infcx`
2019-12-16T17:03:17.2184137Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:115:5
2019-12-16T17:03:17.2184137Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:115:5
2019-12-16T17:03:17.2184547Z |
2019-12-16T17:03:17.2184936Z 115 | pub(super) region_infcx: &'b RegionInferenceContext<'tcx>,
2019-12-16T17:03:17.2185319Z 2019-12-16T17:03:17.2185582Z error: method is never used: `report_error`
2019-12-16T17:03:17.2185900Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:460:5
2019-12-16T17:03:17.2186135Z |
2019-12-16T17:03:17.2186135Z |
2019-12-16T17:03:17.2186486Z 460 | / pub(in crate::borrow_check) fn report_error<'a>(
2019-12-16T17:03:17.2186847Z 461 | | &'a self,
2019-12-16T17:03:17.2187168Z 462 | | body: &Body<'tcx>,
2019-12-16T17:03:17.2187513Z 463 | | local_names: &IndexVec<Local, Option<Symbol>>,
2019-12-16T17:03:17.2188081Z 533 | | }
2019-12-16T17:03:17.2188376Z 534 | | }
2019-12-16T17:03:17.2188660Z | |_____^
2019-12-16T17:03:17.2188696Z 2019-12-16T17:03:17.2188696Z 2019-12-16T17:03:17.2188959Z error: method is never used: `report_fnmut_error`
2019-12-16T17:03:17.2189514Z |
2019-12-16T17:03:17.2189822Z 579 | / fn report_fnmut_error(
2019-12-16T17:03:17.2190139Z 580 | | &self,
2019-12-16T17:03:17.2190139Z 580 | | &self,
2019-12-16T17:03:17.2190480Z 581 | | errctx: &ErrorReportingCtx<'_, '_, 'tcx>,
2019-12-16T17:03:17.2190808Z 582 | | errci: &ErrorConstraintInfo,
2019-12-16T17:03:17.2191719Z 627 | | diag
2019-12-16T17:03:17.2192028Z 628 | | }
2019-12-16T17:03:17.2192311Z | |_____^
2019-12-16T17:03:17.2192347Z 2019-12-16T17:03:17.2192347Z 2019-12-16T17:03:17.2219863Z error: method is never used: `report_escaping_data_error`
2019-12-16T17:03:17.2220247Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:642:5
2019-12-16T17:03:17.2220487Z |
2019-12-16T17:03:17.2220810Z 642 | / fn report_escaping_data_error(
2019-12-16T17:03:17.2221733Z 643 | | &self,
2019-12-16T17:03:17.2222083Z 644 | | errctx: &ErrorReportingCtx<'_, '_, 'tcx>,
2019-12-16T17:03:17.2222543Z 645 | | errci: &ErrorConstraintInfo,
2019-12-16T17:03:17.2223189Z 721 | | diag
2019-12-16T17:03:17.2223501Z 722 | | }
2019-12-16T17:03:17.2223759Z | |_____^
2019-12-16T17:03:17.2227455Z 2019-12-16T17:03:17.2227455Z 2019-12-16T17:03:17.2307132Z error: method is never used: `report_general_error`
2019-12-16T17:03:17.2307581Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:739:5
2019-12-16T17:03:17.2307823Z |
2019-12-16T17:03:17.2308173Z 739 | / fn report_general_error(
2019-12-16T17:03:17.2308493Z 740 | | &self,
2019-12-16T17:03:17.2308835Z 741 | | errctx: &ErrorReportingCtx<'_, '_, 'tcx>,
2019-12-16T17:03:17.2309181Z 742 | | errci: &ErrorConstraintInfo,
2019-12-16T17:03:17.2309740Z 794 | | diag
2019-12-16T17:03:17.2310071Z 795 | | }
2019-12-16T17:03:17.2310329Z | |_____^
2019-12-16T17:03:17.2314369Z 2019-12-16T17:03:17.2314369Z 2019-12-16T17:03:17.2319575Z error: method is never used: `add_static_impl_trait_suggestion`
2019-12-16T17:03:17.2319921Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:806:5
2019-12-16T17:03:17.2320160Z |
2019-12-16T17:03:17.2320511Z 806 | / fn add_static_impl_trait_suggestion(
2019-12-16T17:03:17.2320820Z 807 | | &self,
2019-12-16T17:03:17.2321147Z 808 | | infcx: &InferCtxt<'_, 'tcx>,
2019-12-16T17:03:17.2321520Z 809 | | diag: &mut DiagnosticBuilder<'_>,
2019-12-16T17:03:17.2322466Z 886 | | }
2019-12-16T17:03:17.2322768Z 887 | | }
2019-12-16T17:03:17.2323024Z | |_____^
2019-12-16T17:03:17.2385140Z 2019-12-16T17:03:17.2385140Z 2019-12-16T17:03:17.2386165Z error: method is never used: `is_closure_fn_mut`
2019-12-16T17:03:17.2386504Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:992:5
2019-12-16T17:03:17.2387061Z |
2019-12-16T17:03:17.2387435Z 992 | crate fn is_closure_fn_mut(&self, infcx: &InferCtxt<'_, 'tcx>, fr: RegionVid) -> bool {
2019-12-16T17:03:17.2387951Z 2019-12-16T17:03:17.2826780Z error: usage of qualified `ty::Ty<'tcx>`
2019-12-16T17:03:17.2827184Z --> src/librustc_mir/borrow_check/diagnostics/region_errors.rs:96:20
2019-12-16T17:03:17.2827433Z |
2019-12-16T17:03:17.2827433Z |
2019-12-16T17:03:17.2827750Z 96 | hidden_ty: ty::Ty<'tcx>,
2019-12-16T17:03:17.2828110Z | ^^^^^^^^^^^^ help: try using it unqualified: `Ty<'tcx>`
2019-12-16T17:03:17.2828396Z |
2019-12-16T17:03:17.2828706Z = note: `-D rustc::usage-of-qualified-ty` implied by `-D warnings`
2019-12-16T17:03:18.5244214Z error: aborting due to 19 previous errors
2019-12-16T17:03:18.5244899Z 2019-12-16T17:03:18.5253879Z error: could not compile `rustc_mir`.
2019-12-16T17:03:18.5254644Z warning: build failed, waiting for other jobs to finish...
2019-12-16T17:03:18.5254644Z warning: build failed, waiting for other jobs to finish...
2019-12-16T17:03:21.7031392Z error: build failed
2019-12-16T17:03:21.7074119Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "check" "-Zconfig-profile" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "2" "--release" "--color" "always" "--features" " llvm" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json-render-diagnostics"
2019-12-16T17:03:21.7080798Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap check
2019-12-16T17:03:21.7081182Z Build completed unsuccessfully in 0:05:32
2019-12-16T17:03:21.7136710Z == clock drift check ==
2019-12-16T17:03:21.7169453Z local time: Mon Dec 16 17:03:21 UTC 2019
2019-12-16T17:03:21.7169453Z local time: Mon Dec 16 17:03:21 UTC 2019
2019-12-16T17:03:21.9969044Z network time: Mon, 16 Dec 2019 17:03:21 GMT
2019-12-16T17:03:21.9970053Z == end clock drift check ==
2019-12-16T17:03:23.3906945Z 2019-12-16T17:03:23.4031765Z ##[error]Bash exited with code '1'.
2019-12-16T17:03:23.4069043Z ##[section]Starting: Checkout
2019-12-16T17:03:23.4070990Z ==============================================================================
2019-12-16T17:03:23.4071051Z Task : Get sources
2019-12-16T17:03:23.4071138Z Description : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

rust-highfive · 2019-12-16T17:27:49Z

The job mingw-check of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-16T17:19:41.1728785Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-16T17:19:41.2011763Z ##[command]git config gc.auto 0
2019-12-16T17:19:41.2086428Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-16T17:19:41.2161000Z ##[command]git config --get-all http.proxy
2019-12-16T17:19:41.2300818Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-16T17:27:40.3736163Z For more information about this error, try `rustc --explain E0425`.
2019-12-16T17:27:40.4374378Z error: could not compile `rustc_mir`.
2019-12-16T17:27:40.4374774Z warning: build failed, waiting for other jobs to finish...
2019-12-16T17:27:42.9626357Z error: build failed
2019-12-16T17:27:42.9653864Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "check" "-Zconfig-profile" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "2" "--release" "--color" "always" "--features" " llvm" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json-render-diagnostics"
2019-12-16T17:27:42.9678320Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap check
2019-12-16T17:27:42.9678652Z Build completed unsuccessfully in 0:04:34
2019-12-16T17:27:42.9725985Z == clock drift check ==
2019-12-16T17:27:42.9741400Z local time: Mon Dec 16 17:27:42 UTC 2019
2019-12-16T17:27:42.9741400Z local time: Mon Dec 16 17:27:42 UTC 2019
2019-12-16T17:27:43.2419061Z network time: Mon, 16 Dec 2019 17:27:43 GMT
2019-12-16T17:27:43.2422403Z == end clock drift check ==
2019-12-16T17:27:44.5314094Z 2019-12-16T17:27:44.5412614Z ##[error]Bash exited with code '1'.
2019-12-16T17:27:44.5448123Z ##[section]Starting: Checkout
2019-12-16T17:27:44.5449881Z ==============================================================================
2019-12-16T17:27:44.5449936Z Task : Get sources
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rust-highfive · 2019-12-17T17:02:06Z

The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-17T16:44:32.1414598Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-17T16:44:32.1666158Z ##[command]git config gc.auto 0
2019-12-17T16:44:32.1751283Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-17T16:44:32.1828384Z ##[command]git config --get-all http.proxy
2019-12-17T16:44:32.1983662Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-17T16:50:33.7444649Z Compiling serde_json v1.0.40
2019-12-17T16:50:35.4847562Z Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-12-17T16:50:46.0510057Z Finished release [optimized] target(s) in 1m 24s
2019-12-17T16:50:46.0611745Z tidy check
2019-12-17T16:50:47.0063246Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1570: TODO is deprecated; use FIXME
2019-12-17T16:50:47.0063644Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1572: line longer than 100 chars
2019-12-17T16:50:48.8210295Z some tidy checks failed
2019-12-17T16:50:48.8213689Z Found 485 error codes
2019-12-17T16:50:48.8216728Z Found 0 error codes with no tests
2019-12-17T16:50:48.8216982Z Done!
2019-12-17T16:50:48.8216982Z Done!
2019-12-17T16:50:48.8217228Z 2019-12-17T16:50:48.8217368Z 2019-12-17T16:50:48.8221446Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-12-17T16:50:48.8222189Z 2019-12-17T16:50:48.8222315Z 2019-12-17T16:50:48.8230217Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-12-17T16:50:48.8230568Z Build completed unsuccessfully in 0:01:28
2019-12-17T16:50:48.8230568Z Build completed unsuccessfully in 0:01:28
2019-12-17T16:50:48.8293735Z == clock drift check ==
2019-12-17T16:50:48.8306504Z local time: Tue Dec 17 16:50:48 UTC 2019
2019-12-17T16:50:48.8698635Z network time: Tue, 17 Dec 2019 16:50:48 GMT
2019-12-17T16:50:48.8702704Z == end clock drift check ==
2019-12-17T16:50:50.0921804Z 2019-12-17T16:50:50.1037066Z ##[error]Bash exited with code '1'.
2019-12-17T16:50:50.1092657Z ##[section]Starting: Checkout
2019-12-17T16:50:50.1094732Z ==============================================================================
2019-12-17T16:50:50.1094796Z Task : Get sources
2019-12-17T16:50:50.1094872Z Description : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

rust-highfive · 2019-12-18T18:27:19Z

The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-18T18:07:46.4039270Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-18T18:07:46.4239849Z ##[command]git config gc.auto 0
2019-12-18T18:07:46.4291467Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-18T18:07:46.4339580Z ##[command]git config --get-all http.proxy
2019-12-18T18:07:46.4475871Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-18T18:13:24.3530337Z Compiling serde_json v1.0.40
2019-12-18T18:13:25.8476398Z Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-12-18T18:13:35.3532412Z Finished release [optimized] target(s) in 1m 15s
2019-12-18T18:13:35.3626048Z tidy check
2019-12-18T18:13:36.1896627Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1570: TODO is deprecated; use FIXME
2019-12-18T18:13:36.1897439Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1572: line longer than 100 chars
2019-12-18T18:13:37.7559087Z Found 485 error codes
2019-12-18T18:13:37.7560923Z Found 0 error codes with no tests
2019-12-18T18:13:37.7561185Z Done!
2019-12-18T18:13:37.7561391Z some tidy checks failed
2019-12-18T18:13:37.7561391Z some tidy checks failed
2019-12-18T18:13:37.7561557Z 2019-12-18T18:13:37.7561717Z 2019-12-18T18:13:37.7562896Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-12-18T18:13:37.7563524Z 2019-12-18T18:13:37.7563644Z 2019-12-18T18:13:37.7571732Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-12-18T18:13:37.7571995Z Build completed unsuccessfully in 0:01:19
2019-12-18T18:13:37.7571995Z Build completed unsuccessfully in 0:01:19
2019-12-18T18:13:37.7625057Z == clock drift check ==
2019-12-18T18:13:37.7635201Z local time: Wed Dec 18 18:13:37 UTC 2019
2019-12-18T18:13:38.0427914Z network time: Wed, 18 Dec 2019 18:13:38 GMT
2019-12-18T18:13:38.0431958Z == end clock drift check ==
2019-12-18T18:13:39.5388701Z 2019-12-18T18:13:39.5513860Z ##[error]Bash exited with code '1'.
2019-12-18T18:13:39.5541277Z ##[section]Starting: Checkout
2019-12-18T18:13:39.5543017Z ==============================================================================
2019-12-18T18:13:39.5543097Z Task : Get sources
2019-12-18T18:13:39.5543146Z Description : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

mark-i-m · 2019-12-18T19:26:25Z

@matthewjasper @eddyb I've rebased and consolidated my commits. The first one I've split out into #67404

The next two contain the meat so far. The remaining todos:

Make sure diagnostics are the same/don't regress (in particular, I'm currently seeing some difference on "outlives suggestions")
Actually remove the extra contexts. It looks like we can collapse ErrorReportingCtx and RegionNamingCtx into MirBorrowckCtx, but I need to take a closer look to see how do it cleanly. I think this should be done in a followup PR...

rust-highfive · 2019-12-18T19:40:44Z

The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-12-18T19:22:19.0234136Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-12-18T19:22:19.0404621Z ##[command]git config gc.auto 0
2019-12-18T19:22:19.0482416Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-12-18T19:22:19.0543549Z ##[command]git config --get-all http.proxy
2019-12-18T19:22:19.0701016Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/67241/merge:refs/remotes/pull/67241/merge
---
2019-12-18T19:27:53.5297214Z Compiling serde_json v1.0.40
2019-12-18T19:27:55.1582003Z Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-12-18T19:28:05.8331403Z Finished release [optimized] target(s) in 1m 23s
2019-12-18T19:28:05.8447133Z tidy check
2019-12-18T19:28:06.8083496Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1570: TODO is deprecated; use FIXME
2019-12-18T19:28:06.8084162Z tidy error: /checkout/src/librustc_mir/borrow_check/mod.rs:1572: line longer than 100 chars
2019-12-18T19:28:08.6254886Z some tidy checks failed
2019-12-18T19:28:08.6256381Z Found 485 error codes
2019-12-18T19:28:08.6256432Z Found 0 error codes with no tests
2019-12-18T19:28:08.6256723Z Done!
2019-12-18T19:28:08.6256723Z Done!
2019-12-18T19:28:08.6260284Z 2019-12-18T19:28:08.6260446Z 2019-12-18T19:28:08.6261467Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-12-18T19:28:08.6263379Z 2019-12-18T19:28:08.6263694Z 2019-12-18T19:28:08.6263883Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-12-18T19:28:08.6264071Z Build completed unsuccessfully in 0:01:27
2019-12-18T19:28:08.6264071Z Build completed unsuccessfully in 0:01:27
2019-12-18T19:28:08.6315740Z == clock drift check ==
2019-12-18T19:28:08.6327594Z local time: Wed Dec 18 19:28:08 UTC 2019
2019-12-18T19:28:08.9018203Z network time: Wed, 18 Dec 2019 19:28:08 GMT
2019-12-18T19:28:08.9018318Z == end clock drift check ==
2019-12-18T19:28:10.1978214Z 2019-12-18T19:28:10.2046428Z ##[error]Bash exited with code '1'.
2019-12-18T19:28:10.2087790Z ##[section]Starting: Checkout
2019-12-18T19:28:10.2089588Z ==============================================================================
2019-12-18T19:28:10.2089648Z Task : Get sources
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I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

mark-i-m · 2019-12-18T23:22:16Z

@matthewjasper @eddyb This is ready, but still blocked on #67404

bors · 2019-12-22T23:22:09Z

📌 Commit 4dc7793 has been approved by matthewjasper

bors · 2019-12-22T23:22:10Z

🌲 The tree is currently closed for pull requests below priority 100, this pull request will be tested once the tree is reopened

@matthewjasper

…=matthewjasper Refactorings to borrowck region diagnostic reporting This PR is a followup to rust-lang#66886 and rust-lang#67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in rust-lang#66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

bors · 2019-12-23T05:52:28Z

☔ The latest upstream changes (presumably #67540) made this pull request unmergeable. Please resolve the merge conflicts.

mark-i-m · 2019-12-23T06:33:20Z

I squashed and rebased... I have not rerun tests because it takes forever on my laptop, but ./x.py check passes...

mark-i-m · 2019-12-24T16:53:30Z

@rustbot modify labels: +S-waiting-on-review -S-waiting-on-author

matthewjasper · 2019-12-24T17:18:58Z

@bors r+

bors · 2019-12-24T17:18:59Z

📌 Commit 05e3d20 has been approved by matthewjasper

bors · 2019-12-24T18:02:15Z

⌛ Testing commit 05e3d20 with merge a9c1c04...

@matthewjasper

Refactorings to borrowck region diagnostic reporting This PR is a followup to #66886 and #67404 EDIT: updated In this PR: Clean up how errors are collected from NLL: introduce `borrow_check::diagnostics::RegionErrors` to collect errors. This is later passed to `MirBorrowckCtx::report_region_errors` after the `MirBorrowckCtx` is created. This will allow us to refactor away some of the extra context structs floating around (but we don't do it in this PR). `borrow_check::region_infer` is now mostly free of diagnostic generating code. The signatures of most of the functions in `region_infer` lose somewhere between 4 and 7 arguments :) Left for future (feedback appreciated): - Merge `ErrorRegionCtx` with `MirBorrowckCtx`, as suggested by @matthewjasper in #66886 (comment) - Maybe move the contents of `borrow_check::nll` into `borrow_check` and remove the `nll` submodule altogether. - Find a way to make `borrow_check::diagnostics::region_errors` less of a strange appendage to `RegionInferenceContext`. I'm not really sure how to do this yet. Ideas welcome.

bors · 2019-12-24T21:16:36Z

☀️ Test successful - checks-azure
Approved by: matthewjasper
Pushing a9c1c04 to master...

@matthewjasper

Get rid of ErrorReportingCtx [5/N] We can now use `MirBorrowckCtxt` instead :) ``` 6 files changed, 122 insertions(+), 243 deletions(-) ``` This is a followup to (and thus blocked on) #67241. r? @matthewjasper cc @eddyb I while try to do one more to get rid of the weird usage of `RegionInferenceCtx` in `borrow_check::diagnostics::{region_errors, region_naming}`. I think those uses can possibly also be refactored to use `MirBorrowckCtxt`...

rust-highfive assigned eddyb Dec 11, 2019

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 11, 2019

rustbot added S-blocked Status: Blocked on something else such as an RFC or other implementation work. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 11, 2019

mark-i-m changed the title ~~Refactorings to borrowck~~Refactorings to borrowck region diagnostic reportingDec 11, 2019

mark-i-m force-pushed the simplify-borrow_check-3 branch from 9ce51ec to 9f88192Compare December 12, 2019 03:36

mark-i-m force-pushed the simplify-borrow_check-3 branch from 9f88192 to cd940eaCompare December 12, 2019 18:54

matthewjasper self-assigned this Dec 14, 2019

mark-i-m force-pushed the simplify-borrow_check-3 branch from bf0c279 to 65be906Compare December 18, 2019 18:07

mark-i-m mentioned this pull request Dec 18, 2019
Separate region inference logic from error handling better #67404
Merged

mark-i-m force-pushed the simplify-borrow_check-3 branch from 65be906 to e5614d6Compare December 18, 2019 19:21

mark-i-m marked this pull request as ready for review December 18, 2019 23:20

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Dec 22, 2019

Centril mentioned this pull request Dec 22, 2019
Rollup of 5 pull requests #67545
Closed

bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Dec 23, 2019

Refactor region error handling to be done by mirborrowckctx
05e3d20

mark-i-m force-pushed the simplify-borrow_check-3 branch from 4dc7793 to 05e3d20Compare December 23, 2019 06:32

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Dec 24, 2019

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 24, 2019

bors added the merged-by-bors This PR was explicitly merged by bors. label Dec 24, 2019

bors merged commit 05e3d20 into rust-lang:masterDec 24, 2019

SimonSapin mentioned this pull request Dec 25, 2019
Regression in Servo: "internal compiler error: mutable allocation in constant" #67601
Closed

mark-i-m deleted the simplify-borrow_check-3 branch December 28, 2019 16:42

cuviper mentioned this pull request Feb 25, 2020
Cherry-pick the LLVM fix for #69225 #69450
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mark-i-m commented Dec 11, 2019•
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mark-i-m commented Dec 18, 2019•
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