Rollup of 5 pull requests

[Centril]

Successful merges:

• Cleanup declare_features! for 'accepted' with a uniform style + sort them #60354 (Cleanup declare_features! for 'accepted' with a uniform style + sort them)
• Cleanup 'active' declare_features! with uniform style + sorting. #60362 (Cleanup 'active' declare_features! with uniform style + sorting.)
• Revert "Update Source Code Pro fonts to version 2.030" #60382 (Revert "Update Source Code Pro fonts to version 2.030")
• Remove functions to simplify handling of feature(bind_by_move_pattern_guards) #60400 (Remove functions to simplify handling of feature(bind_by_move_pattern_guards))
• Require a trait in the bounds of existential types #60409 (Require a trait in the bounds of existential types)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=5

[bors]

📌 Commit eccb332 has been approved by Centril

[rust-highfive]

The job x86_64-gnu-llvm-6.0 of your PR failed on Travis (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.

travis_time:end:18efa2de:start=1556629058034760298,finish=1556629143591468912,duration=85556708614
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout
Encrypted environment variables have been removed for security reasons.
See https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions
$ export SCCACHE_BUCKET=rust-lang-ci-sccache2
$ export SCCACHE_REGION=us-west-1
$ export GCP_CACHE_BUCKET=rust-lang-ci-cache
$ export AWS_ACCESS_KEY_ID=AKIA46X5W6CZEJZ6XT55
---
[01:12:08] .................................................................................................... 300/2958
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[01:12:39] .................................................................................................... 600/2958
[01:12:54] ...........................................................................F........................ 700/2958
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---
[01:18:05] failures:
[01:18:05] [01:18:05] ---- [run-pass] run-pass/existential_type.rs stdout ----
[01:18:05] [01:18:05] error: test compilation failed although it shouldn't!
[01:18:05] status: exit code: 1
[01:18:05] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/run-pass/existential_type.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/run-pass/existential_type/a" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/run-pass/existential_type/auxiliary"
[01:18:05] ------------------------------------------
[01:18:05] [01:18:05] ------------------------------------------
[01:18:05] stderr:
[01:18:05] stderr:
[01:18:05] ------------------------------------------
[01:18:05] error: at least one trait must be specified
[01:18:05] --> /checkout/src/test/run-pass/existential_type.rs:71:46
[01:18:05] |
[01:18:05] LL | existential type GenericBound<'a, T: Trait>: 'a;
[01:18:05] [01:18:05] error: at least one trait must be specified
[01:18:05] --> /checkout/src/test/run-pass/existential_type.rs:78:42
[01:18:05] |
[01:18:05] |
[01:18:05] LL | pub existential type Passthrough<T>: 'static;
[01:18:05] [01:18:05] error: aborting due to 2 previous errors
[01:18:05] [01:18:05] ---
[01:18:05] thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:517:22
[01:18:05] note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
[01:18:05] [01:18:05] [01:18:05] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/run-pass" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/run-pass" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "run-pass" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/usr/lib/llvm-6.0/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--quiet" "--llvm-version" "6.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always"
[01:18:05] [01:18:05] [01:18:05] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
[01:18:05] Build completed unsuccessfully in 0:10:50
[01:18:05] Build completed unsuccessfully in 0:10:50
[01:18:05] make: *** [check] Error 1
[01:18:05] Makefile:48: recipe for target 'check' failed
The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:0f7e3380
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
Tue Apr 30 14:17:17 UTC 2019
---
travis_time:end:1db83cdb:start=1556633838885557951,finish=1556633838890369518,duration=4811567
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:1230c96e
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:2134b08a
travis_time:start:2134b08a
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:0f2d238b
$ dmesg | grep -i kill

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