Dec 14 15:07:08.471 INFO testing user-sync-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 15:07:08.471 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 15:07:08.880 INFO [stdout] 0aa12872c63f5e0fab52b14e6d7843e616fdb2767a1eb1979b51e05b6b8c04e1
Dec 14 15:07:08.882 INFO running `"docker" "start" "-a" "0aa12872c63f5e0fab52b14e6d7843e616fdb2767a1eb1979b51e05b6b8c04e1"`
Dec 14 15:07:10.083 INFO [stderr] usermod: no changes
Dec 14 15:07:10.155 INFO [stderr]    Compiling syscall v0.2.1
Dec 14 15:07:10.383 INFO [stderr]    Compiling user-sync v0.1.0 (/source)
Dec 14 15:07:10.622 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 14 15:07:10.624 INFO [stderr] su: No module specific data is present
Dec 14 15:07:11.173 INFO running `"docker" "inspect" "0aa12872c63f5e0fab52b14e6d7843e616fdb2767a1eb1979b51e05b6b8c04e1"`
Dec 14 15:07:11.411 INFO running `"docker" "rm" "-f" "0aa12872c63f5e0fab52b14e6d7843e616fdb2767a1eb1979b51e05b6b8c04e1"`
Dec 14 15:07:11.667 INFO [stdout] 0aa12872c63f5e0fab52b14e6d7843e616fdb2767a1eb1979b51e05b6b8c04e1
Dec 14 15:07:11.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 15:07:12.175 INFO [stdout] 719550cdbd6a19d012c0c415c7c329e4b4902c76cfa93f01f50df2a1b12cf01a
Dec 14 15:07:12.177 INFO running `"docker" "start" "-a" "719550cdbd6a19d012c0c415c7c329e4b4902c76cfa93f01f50df2a1b12cf01a"`
Dec 14 15:07:13.231 INFO [stderr] usermod: no changes
Dec 14 15:07:13.265 INFO [stderr]    Compiling user-sync v0.1.0 (/source)
Dec 14 15:07:14.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 14 15:07:14.267 INFO [stderr] su: No module specific data is present
Dec 14 15:07:14.754 INFO running `"docker" "inspect" "719550cdbd6a19d012c0c415c7c329e4b4902c76cfa93f01f50df2a1b12cf01a"`
Dec 14 15:07:14.979 INFO running `"docker" "rm" "-f" "719550cdbd6a19d012c0c415c7c329e4b4902c76cfa93f01f50df2a1b12cf01a"`
Dec 14 15:07:15.335 INFO [stdout] 719550cdbd6a19d012c0c415c7c329e4b4902c76cfa93f01f50df2a1b12cf01a
Dec 14 15:07:15.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 15:07:15.744 INFO [stdout] 75e637913b687ab258208869dfb784a6cb553e7d7e82205e62da6913cb3d4f8d
Dec 14 15:07:15.747 INFO running `"docker" "start" "-a" "75e637913b687ab258208869dfb784a6cb553e7d7e82205e62da6913cb3d4f8d"`
Dec 14 15:07:16.763 INFO [stderr] usermod: no changes
Dec 14 15:07:16.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 15:07:16.848 INFO [stderr]      Running /target/debug/deps/user_sync-21b61bfc3d4833cb
Dec 14 15:07:16.865 INFO [stderr]    Doc-tests user-sync
Dec 14 15:07:16.865 INFO [stdout] 
Dec 14 15:07:16.865 INFO [stdout] running 0 tests
Dec 14 15:07:16.865 INFO [stdout] 
Dec 14 15:07:16.865 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 15:07:16.865 INFO [stdout] 
Dec 14 15:07:17.075 INFO [stdout] 
Dec 14 15:07:17.075 INFO [stdout] running 1 test
Dec 14 15:07:18.051 INFO [stdout] test src/monitor.rs - monitor::CondVar (line 75) ... FAILED
Dec 14 15:07:18.051 INFO [stderr] error: test failed, to rerun pass '--doc'
Dec 14 15:07:18.051 INFO [stdout] 
Dec 14 15:07:18.051 INFO [stderr] su: No module specific data is present
Dec 14 15:07:18.051 INFO [stdout] failures:
Dec 14 15:07:18.051 INFO [stdout] 
Dec 14 15:07:18.051 INFO [stdout] ---- src/monitor.rs - monitor::CondVar (line 75) stdout ----
Dec 14 15:07:18.051 INFO [stdout] error: expected expression, found reserved identifier `_`
Dec 14 15:07:18.051 INFO [stdout]  --> src/monitor.rs:76:49
Dec 14 15:07:18.051 INFO [stdout]   |
Dec 14 15:07:18.051 INFO [stdout] 3 | let mutex: Mutex<SomeQueueType<T>> = Mutex::new(_);
Dec 14 15:07:18.051 INFO [stdout]   |                                                 ^ expected expression
Dec 14 15:07:18.051 INFO [stdout] 
Dec 14 15:07:18.051 INFO [stdout] thread 'src/monitor.rs - monitor::CondVar (line 75)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:326:13
Dec 14 15:07:18.051 INFO [stdout] stack backtrace:
Dec 14 15:07:18.051 INFO [stdout]    0:     0x7fa28f5cff43 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90
Dec 14 15:07:18.051 INFO [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 14 15:07:18.051 INFO [stdout]    1:     0x7fa28f5c6fa8 - std::sys_common::backtrace::_print::h919420b22c2473e3
Dec 14 15:07:18.051 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:71
Dec 14 15:07:18.051 INFO [stdout]    2:     0x7fa28f5cc222 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5
Dec 14 15:07:18.051 INFO [stdout]                                at src/libstd/sys_common/backtrace.rs:59
Dec 14 15:07:18.051 INFO [stdout]                                at src/libstd/panicking.rs:210
Dec 14 15:07:18.051 INFO [stdout]    3:     0x7fa28f5cbf17 - std::panicking::default_hook::h1134a4d34aab4428
Dec 14 15:07:18.051 INFO [stdout]                                at src/libstd/panicking.rs:218
Dec 14 15:07:18.051 INFO [stdout]    4:     0x7fa2917d6681 - rustc::util::common::panic_hook::h5f1ef819f65e49ce
Dec 14 15:07:18.051 INFO [stdout]    5:     0x7fa28f5cca09 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42
Dec 14 15:07:18.051 INFO [stdout]                                at src/libstd/panicking.rs:491
Dec 14 15:07:18.051 INFO [stdout]    6:     0x5654ff6a9b24 - std::panicking::begin_panic::h626604038f71be4c
Dec 14 15:07:18.051 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:421
Dec 14 15:07:18.051 INFO [stdout]    7:     0x5654ff81fab2 - <rustdoc::test::Collector as rustdoc::test::Tester>::add_test::{{closure}}::{{closure}}::{{closure}}::h03844441a87ed622
Dec 14 15:07:18.051 INFO [stdout]                                at src/librustdoc/test.rs:326
Dec 14 15:07:18.051 INFO [stdout]                                at src/librustdoc/test.rs:653
Dec 14 15:07:18.051 INFO [stdout]    8:     0x5654ff7dc398 - <scoped_tls::ScopedKey<T>>::set::ha4da892a47d9254a
Dec 14 15:07:18.051 INFO [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
Dec 14 15:07:18.051 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libsyntax/lib.rs:123
Dec 14 15:07:18.051 INFO [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155
Dec 14 15:07:18.051 INFO [stdout]    9:     0x5654ff71453f - syntax::with_globals::hd5f80a8e81630563
Dec 14 15:07:18.051 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libsyntax/lib.rs:122
Dec 14 15:07:18.051 INFO [stdout]   10:     0x5654ff6a9d24 - std::panicking::try::do_call::haa456735219e3377
Dec 14 15:07:18.051 INFO [stdout]                                at src/librustdoc/test.rs:650
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:319
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306
Dec 14 15:07:18.052 INFO [stdout]   11:     0x7fa28f5e9649 - __rust_maybe_catch_panic
Dec 14 15:07:18.052 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 14 15:07:18.052 INFO [stdout]   12:     0x5654ff6fee49 - rustc_driver::in_named_rustc_thread::he2bcf78be8ab5538
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/librustc_driver/lib.rs:1556
Dec 14 15:07:18.052 INFO [stdout]   13:     0x5654ff7f5140 - <F as alloc::boxed::FnBox<A>>::call_box::h418f2961326e63a6
Dec 14 15:07:18.052 INFO [stdout]                                at src/librustdoc/test.rs:650
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673
Dec 14 15:07:18.052 INFO [stdout]   14:     0x7fa290c38102 - <F as alloc::boxed::FnBox<A>>::call_box::hb274b5baa0755876
Dec 14 15:07:18.052 INFO [stdout]                                at src/libtest/lib.rs:1476
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673
Dec 14 15:07:18.052 INFO [stdout]   15:     0x7fa28f5e9649 - __rust_maybe_catch_panic
Dec 14 15:07:18.052 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 14 15:07:18.052 INFO [stdout]   16:     0x7fa290c56427 - test::run_test::run_test_inner::{{closure}}::h5f14673685eef7c8
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398
Dec 14 15:07:18.052 INFO [stdout]                                at src/libtest/lib.rs:1438
Dec 14 15:07:18.052 INFO [stdout]   17:     0x7fa290c30334 - std::sys_common::backtrace::__rust_begin_short_backtrace::h96de92a7d062bb5f
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/sys_common/backtrace.rs:136
Dec 14 15:07:18.052 INFO [stdout]   18:     0x7fa290c309a4 - std::panicking::try::do_call::h6a71e68ea4ad0d8a
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:479
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:319
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306
Dec 14 15:07:18.052 INFO [stdout]   19:     0x7fa28f5e9649 - __rust_maybe_catch_panic
Dec 14 15:07:18.052 INFO [stdout]                                at src/libpanic_unwind/lib.rs:102
Dec 14 15:07:18.052 INFO [stdout]   20:     0x7fa290c37e4c - <F as alloc::boxed::FnBox<A>>::call_box::h260fd1ad8e2854a6
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:478
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673
Dec 14 15:07:18.052 INFO [stdout]   21:     0x7fa28f5dcaed - std::sys::unix::thread::Thread::new::thread_start::h08aa646226e66c99
Dec 14 15:07:18.052 INFO [stdout]                                at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:683
Dec 14 15:07:18.052 INFO [stdout]                                at src/libstd/sys_common/thread.rs:24
Dec 14 15:07:18.052 INFO [stdout]                                at src/libstd/sys/unix/thread.rs:91
Dec 14 15:07:18.052 INFO [stdout]   22:     0x7fa28f3506b9 - start_thread
Dec 14 15:07:18.052 INFO [stdout]   23:     0x7fa28ec6841c - clone
Dec 14 15:07:18.052 INFO [stdout]   24:                0x0 - <unknown>
Dec 14 15:07:18.052 INFO [stdout] query stack during panic:
Dec 14 15:07:18.052 INFO [stdout] end of query stack
Dec 14 15:07:18.052 INFO [stdout] 
Dec 14 15:07:18.052 INFO [stdout] 
Dec 14 15:07:18.052 INFO [stdout] failures:
Dec 14 15:07:18.052 INFO [stdout]     src/monitor.rs - monitor::CondVar (line 75)
Dec 14 15:07:18.052 INFO [stdout] 
Dec 14 15:07:18.052 INFO [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 15:07:18.052 INFO [stdout] 
Dec 14 15:07:18.515 INFO running `"docker" "inspect" "75e637913b687ab258208869dfb784a6cb553e7d7e82205e62da6913cb3d4f8d"`
Dec 14 15:07:18.849 INFO running `"docker" "rm" "-f" "75e637913b687ab258208869dfb784a6cb553e7d7e82205e62da6913cb3d4f8d"`
Dec 14 15:07:19.171 INFO [stdout] 75e637913b687ab258208869dfb784a6cb553e7d7e82205e62da6913cb3d4f8d