[beta] Incremental miri regression

[oli-obk]

original PR: #49833

r? @michaelwoerister

The old PR never got a beta-accepted tag, but I'm assuming we don't want panicking incremental on stable ;)

[rust-highfive]

Warning

• Pull requests are usually filed against the master branch for this repo, but this one is against beta. Please double check that you specified the right target!

[rust-highfive]

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.

Resolving deltas: 100% (612186/612186), completed with 4851 local objects.
---
[00:01:40] configure: rust.quiet-tests     := True
---
[00:14:21] error[E0614]: type `bool` cannot be dereferenced
[00:14:21]    --> librustc_metadata/encoder.rs:490:36
[00:14:21]     |
[00:14:21] 490 |         let has_global_allocator = *tcx.sess.has_global_allocator.get();
---
[00:14:22]   process didn't exit successfully: `/checkout/obj/build/bootstrap/debug/rustc --crate-name rustc_metadata librustc_metadata/lib.rs --color always --error-format json --crate-type dylib --emit=dep-info,link -C prefer-dynamic -C opt-level=2 -C metadata=b15820c823700759 -C extra-filename=-b15820c823700759 --out-dir /checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps --target x86_64-unknown-linux-gnu -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/release/deps --extern rustc_data_structures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/librustc_data_structures-77cf6eeaff5de3d1.so --extern rustc=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/librustc-16698affcdf451b7.so --extern syntax=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libsyntax-5946a6bf92640d0b.so --extern rustc_back=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/librustc_back-44fe32f4b60902ad.so --extern log=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/liblog-1ccff5f8476ad1eb.rlib --extern syntax_ext=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libsyntax_ext-f1a44c1ba4676215.so --extern flate2=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libflate2-94bdd789b09700ba.rlib --extern proc_macro=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libproc_macro-ef56643d34591e45.so --extern serialize=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libserialize-6b77f29b6ee45775.so --extern serialize=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libserialize-6b77f29b6ee45775.rlib --extern syntax_pos=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/libsyntax_pos-3fc1984c0aad3c41.so --extern rustc_errors=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/deps/librustc_errors-a1057361f09ea8a5.so -L native=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/build/miniz-sys-2911c7b5ca977aa1/out -L native=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-rustc/x86_64-unknown-linux-gnu/release/build/backtrace-sys-5891bf0101f32727/out/.libs` (exit code: 101)
[00:14:22] warning: build failed, waiting for other jobs to finish...
[00:16:27] error: build failed
[00:16:27] thread 'main' panicked at 'cargo must succeed', bootstrap/compile.rs:1064:9
[00:16:27] note: Run with `RUST_BACKTRACE=1` for a backtrace.
[00:16:27] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "build" "--target" "x86_64-unknown-linux-gnu" "--release" "--locked" "--color" "always" "--features" " jemalloc" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json"
[00:16:27] expected success, got: exit code: 101
[00:16:27] travis_fold:end:stage0-rustc
[00:16:27] travis_time:end:stage0-rustc:start=1523973005055276700,finish=1523973666904269328,duration=661848992628
[00:16:27] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap build
[00:16:27] Build completed unsuccessfully in 0:11:15
[00:16:27] Makefile:28: recipe for target 'all' failed
[00:16:27] make: *** [all] Error 1
---
$ cat obj/tmp/sccache.log
---
$ ls -lat $HOME/Library/Logs/DiagnosticReports/
ls: cannot access /home/travis/Library/Logs/DiagnosticReports/: No such file or directory
travis_time:end:270908e2:start=1523973667472867745,finish=1523973667478417517,duration=5549772
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:03f2b24b
$ find $HOME/Library/Logs/DiagnosticReports -type f -name '*.crash' -not -name '*.stage2-*.crash' -not -name 'com.apple.CoreSimulator.CoreSimulatorService-*.crash' -exec printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" {} \; -exec head -750 {} \; -exec echo travis_fold":"end:crashlog \; || true
find: `/home/travis/Library/Logs/DiagnosticReports': No such file or directory
travis_time:end:03f2b24b:start=1523973667483649024,finish=1523973667489635929,duration=5986905
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:13750275
$ dmesg | grep -i kill
[   10.224154] init: failsafe main process (1094) killed by TERM signal

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