Dec 14 21:16:36.561 INFO testing rusty-variation-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 21:16:36.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 21:16:36.975 INFO [stdout] 715a3610ce2290a3c9fae7cc0544cb149e07a835c6daad1b76312fb79eb3f3e3
Dec 14 21:16:36.977 INFO running `"docker" "start" "-a" "715a3610ce2290a3c9fae7cc0544cb149e07a835c6daad1b76312fb79eb3f3e3"`
Dec 14 21:16:38.185 INFO [stderr] usermod: no changes
Dec 14 21:16:38.303 INFO [stderr]    Compiling rusty-variation v0.1.0 (/source)
Dec 14 21:16:38.899 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 14 21:16:38.907 INFO [stderr] su: No module specific data is present
Dec 14 21:16:39.551 INFO running `"docker" "inspect" "715a3610ce2290a3c9fae7cc0544cb149e07a835c6daad1b76312fb79eb3f3e3"`
Dec 14 21:16:39.863 INFO running `"docker" "rm" "-f" "715a3610ce2290a3c9fae7cc0544cb149e07a835c6daad1b76312fb79eb3f3e3"`
Dec 14 21:16:40.254 INFO [stdout] 715a3610ce2290a3c9fae7cc0544cb149e07a835c6daad1b76312fb79eb3f3e3
Dec 14 21:16:40.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 21:16:40.723 INFO [stdout] f2622224ac229c4885c00763efe033677b4baa978226a2b728654017059b0a49
Dec 14 21:16:40.725 INFO running `"docker" "start" "-a" "f2622224ac229c4885c00763efe033677b4baa978226a2b728654017059b0a49"`
Dec 14 21:16:43.319 INFO [stderr] usermod: no changes
Dec 14 21:16:43.407 INFO [stderr]    Compiling rusty-variation v0.1.0 (/source)
Dec 14 21:16:48.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
Dec 14 21:16:48.811 INFO [stderr] su: No module specific data is present
Dec 14 21:16:49.698 INFO running `"docker" "inspect" "f2622224ac229c4885c00763efe033677b4baa978226a2b728654017059b0a49"`
Dec 14 21:16:49.908 INFO running `"docker" "rm" "-f" "f2622224ac229c4885c00763efe033677b4baa978226a2b728654017059b0a49"`
Dec 14 21:16:50.199 INFO [stdout] f2622224ac229c4885c00763efe033677b4baa978226a2b728654017059b0a49
Dec 14 21:16:50.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 21:16:50.696 INFO [stdout] a7657c1c8033c7edf856fd5f4c806486aee649bc87e7accf6f1ff75ab1c51c6b
Dec 14 21:16:50.701 INFO running `"docker" "start" "-a" "a7657c1c8033c7edf856fd5f4c806486aee649bc87e7accf6f1ff75ab1c51c6b"`
Dec 14 21:16:51.395 INFO [stderr] usermod: no changes
Dec 14 21:16:51.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 21:16:51.482 INFO [stderr]      Running /target/debug/deps/rusty_variation-3fcb7984b73e2f58
Dec 14 21:16:51.482 INFO [stdout] 
Dec 14 21:16:51.482 INFO [stdout] running 8 tests
Dec 14 21:16:51.535 INFO [stderr] thread '<unnamed>' panicked at 'receiving on a closed channel', src/lib.rs:391:33
Dec 14 21:16:51.535 INFO [stderr] thread '<unnamed>' panicked at 'receiving on a closed channel', src/lib.rs:373:34
Dec 14 21:16:51.535 INFO [stderr] thread '<unnamed>' panicked at 'receiving on a closed channel', src/lib.rs:333:33
Dec 14 21:16:51.535 INFO [stderr] stack backtrace:
Dec 14 21:16:51.535 INFO [stdout] test tests::cancel_recv_works ... ok
Dec 14 21:16:51.535 INFO [stdout] test tests::ping_works ... ok
Dec 14 21:16:51.543 INFO [stdout] test tests::nice_calc_works ... ok
Dec 14 21:16:51.551 INFO [stdout] test tests::recursion_works ... ok
Dec 14 21:16:51.563 INFO [stdout] test tests::simple_calc_works ... ok
Dec 14 21:16:51.563 INFO [stderr]    0:     0x562fd8bd7963 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 14 21:16:51.588 INFO [stderr]    1:     0x562fd8bd2118 - std::sys_common::backtrace::_print::he11ceebc70626ac9
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 14 21:16:51.588 INFO [stderr]    2:     0x562fd8bd6882 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/panicking.rs:210
Dec 14 21:16:51.588 INFO [stderr]    3:     0x562fd8bd65f4 - std::panicking::default_hook::hf0c15a583008ed0d
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/panicking.rs:224
Dec 14 21:16:51.588 INFO [stderr]    4:     0x562fd8bd6f90 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/panicking.rs:487
Dec 14 21:16:51.588 INFO [stderr]    5:     0x562fd8bd6b11 - std::panicking::continue_panic_fmt::h42bc2d03ddf03b3e
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/panicking.rs:394
Dec 14 21:16:51.588 INFO [stderr]    6:     0x562fd8bd6a5e - std::panicking::begin_panic_fmt::h2207969583fb9324
Dec 14 21:16:51.588 INFO [stderr]                                at src/libstd/panicking.rs:349
Dec 14 21:16:51.588 INFO [stderr]    7:     0x562fd8b6064c - rusty_variation::tests::closure_works::{{closure}}::h28b3ff190ec056a8
Dec 14 21:16:51.588 INFO [stderr]                                at src/lib.rs:97
Dec 14 21:16:51.588 INFO [stderr]    8:     0x562fd8ad881a - std::sys_common::backtrace::__rust_begin_short_backtrace::h382e815d6bbdb27f
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/sys_common/backtrace.rs:136
Dec 14 21:16:51.588 INFO [stderr]    9:     0x562fd8b4d50c - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha494507ab1a05ec3
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:479
Dec 14 21:16:51.588 INFO [stderr]   10:     0x562fd8af20dc - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h73cf9b1c18f1c4e2
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:319
Dec 14 21:16:51.588 INFO [stderr]   11:     0x562fd8af4aaf - std::panicking::try::do_call::ha08f8e91e9676282
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:306
Dec 14 21:16:51.588 INFO [stderr]   12:     0x562fd8be5699 - __rust_maybe_catch_panic
Dec 14 21:16:51.588 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 14 21:16:51.588 INFO [stderr]   13:     0x562fd8af43e2 - std::panicking::try::hc0bd409fba04b1f7
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285
Dec 14 21:16:51.588 INFO [stderr]   14:     0x562fd8af3c8c - std::panic::catch_unwind::h8bf3312c82051636
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398
Dec 14 21:16:51.588 INFO [stderr]   15:     0x562fd8b4d1f9 - std::thread::Builder::spawn_unchecked::{{closure}}::hf81eee056fc3b6b3
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:478
Dec 14 21:16:51.588 INFO [stderr]   16:     0x562fd8b4dd26 - <F as alloc::boxed::FnBox<A>>::call_box::h9d1ed2e2efb70bb8
Dec 14 21:16:51.588 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673
Dec 14 21:16:51.589 INFO [stderr]   17:     0x562fd8bd95bd - std::sys::unix::thread::Thread::new::thread_start::h42c32b292fdd228f
Dec 14 21:16:51.589 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:683
Dec 14 21:16:51.589 INFO [stderr]                                at src/libstd/sys_common/thread.rs:24
Dec 14 21:16:51.589 INFO [stderr]                                at src/libstd/sys/unix/thread.rs:91
Dec 14 21:16:51.589 INFO [stderr]   18:     0x7f48730516b9 - start_thread
Dec 14 21:16:51.589 INFO [stderr]   19:     0x7f4872b7141c - clone
Dec 14 21:16:51.589 INFO [stderr]   20:                0x0 - <unknown>
Dec 14 21:16:51.590 INFO [stderr] stack backtrace:
Dec 14 21:16:51.590 INFO [stderr]    0:     0x562fd8bd7963 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 14 21:16:51.590 INFO [stderr]    1:     0x562fd8bd2118 - std::sys_common::backtrace::_print::he11ceebc70626ac9
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 14 21:16:51.590 INFO [stderr]    2:     0x562fd8bd6882 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/panicking.rs:210
Dec 14 21:16:51.590 INFO [stderr]    3:     0x562fd8bd65f4 - std::panicking::default_hook::hf0c15a583008ed0d
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/panicking.rs:224
Dec 14 21:16:51.590 INFO [stderr]    4:     0x562fd8bd6f90 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/panicking.rs:487
Dec 14 21:16:51.590 INFO [stderr]    5:     0x562fd8bd6b11 - std::panicking::continue_panic_fmt::h42bc2d03ddf03b3e
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/panicking.rs:394
Dec 14 21:16:51.590 INFO [stderr]    6:     0x562fd8bd6a5e - std::panicking::begin_panic_fmt::h2207969583fb9324
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/panicking.rs:349
Dec 14 21:16:51.590 INFO [stderr]    7:     0x562fd8b5fb6c - rusty_variation::tests::delegation_works::{{closure}}::h95b5e8722b495f1f
Dec 14 21:16:51.590 INFO [stderr]                                at src/lib.rs:97
Dec 14 21:16:51.590 INFO [stderr]    8:     0x562fd8ad87da - std::sys_common::backtrace::__rust_begin_short_backtrace::h31ea628ce6dd499f
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/sys_common/backtrace.rs:136
Dec 14 21:16:51.590 INFO [stderr]    9:     0x562fd8b4d4dc - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h9780158c2d1cd9d0
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:479
Dec 14 21:16:51.590 INFO [stderr]   10:     0x562fd8af204c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3d7cc9a378801f73
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:319
Dec 14 21:16:51.590 INFO [stderr]   11:     0x562fd8af49bf - std::panicking::try::do_call::h80dbd5fbb99167d5
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:306
Dec 14 21:16:51.590 INFO [stderr]   12:     0x562fd8be5699 - __rust_maybe_catch_panic
Dec 14 21:16:51.590 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 14 21:16:51.590 INFO [stderr]   13:     0x562fd8af45c2 - std::panicking::try::hc31aa3c00d59d367
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285
Dec 14 21:16:51.590 INFO [stderr]   14:     0x562fd8af3b4c - std::panic::catch_unwind::h1991cfa1c959968d
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398
Dec 14 21:16:51.590 INFO [stderr]   15:     0x562fd8b4bf99 - std::thread::Builder::spawn_unchecked::{{closure}}::h5b4708752da38115
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:478
Dec 14 21:16:51.590 INFO [stderr]   16:     0x562fd8b4dc66 - <F as alloc::boxed::FnBox<A>>::call_box::h727fb65d8ce3e239
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673
Dec 14 21:16:51.590 INFO [stderr]   17:     0x562fd8bd95bd - std::sys::unix::thread::Thread::new::thread_start::h42c32b292fdd228f
Dec 14 21:16:51.590 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:683
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/sys_common/thread.rs:24
Dec 14 21:16:51.590 INFO [stderr]                                at src/libstd/sys/unix/thread.rs:91
Dec 14 21:16:51.590 INFO [stderr]   18:     0x7f48730516b9 - start_thread
Dec 14 21:16:51.590 INFO [stderr]   19:     0x7f4872b7141c - clone
Dec 14 21:16:51.591 INFO [stderr]   20:                0x0 - <unknown>
Dec 14 21:16:51.598 INFO [stderr] stack backtrace:
Dec 14 21:16:51.598 INFO [stdout] test tests::cancel_send_works ... ok
Dec 14 21:16:51.598 INFO [stderr]    0:     0x562fd8bd7963 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd
Dec 14 21:16:51.598 INFO [stdout] test tests::delegation_works ... ok
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 14 21:16:51.598 INFO [stdout] test tests::closure_works ... ok
Dec 14 21:16:51.598 INFO [stderr]    1:     0x562fd8bd2118 - std::sys_common::backtrace::_print::he11ceebc70626ac9
Dec 14 21:16:51.598 INFO [stdout] 
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 14 21:16:51.598 INFO [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 21:16:51.598 INFO [stderr]    2:     0x562fd8bd6882 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413
Dec 14 21:16:51.598 INFO [stdout] 
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/panicking.rs:210
Dec 14 21:16:51.598 INFO [stderr]    3:     0x562fd8bd65f4 - std::panicking::default_hook::hf0c15a583008ed0d
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/panicking.rs:224
Dec 14 21:16:51.598 INFO [stderr]    4:     0x562fd8bd6f90 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/panicking.rs:487
Dec 14 21:16:51.598 INFO [stderr]    5:     0x562fd8bd6b11 - std::panicking::continue_panic_fmt::h42bc2d03ddf03b3e
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/panicking.rs:394
Dec 14 21:16:51.598 INFO [stderr]    6:     0x562fd8bd6a5e - std::panicking::begin_panic_fmt::h2207969583fb9324
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/panicking.rs:349
Dec 14 21:16:51.598 INFO [stderr]    7:     0x562fd8b5db1c - rusty_variation::tests::cancel_send_works::{{closure}}::hef08eca7ba4f2e86
Dec 14 21:16:51.598 INFO [stderr]                                at src/lib.rs:97
Dec 14 21:16:51.598 INFO [stderr]    8:     0x562fd8ad889a - std::sys_common::backtrace::__rust_begin_short_backtrace::hb2ce77a3bff3fc87
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/sys_common/backtrace.rs:136
Dec 14 21:16:51.598 INFO [stderr]    9:     0x562fd8b4d3ec - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ea2ff7e56c4fe85
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:479
Dec 14 21:16:51.598 INFO [stderr]   10:     0x562fd8af210c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7f1f5fa7ac12668b
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:319
Dec 14 21:16:51.598 INFO [stderr]   11:     0x562fd8af4a5f - std::panicking::try::do_call::h9a1c44fa0f05b412
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:306
Dec 14 21:16:51.598 INFO [stderr]   12:     0x562fd8be5699 - __rust_maybe_catch_panic
Dec 14 21:16:51.598 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 14 21:16:51.598 INFO [stderr]   13:     0x562fd8af46b2 - std::panicking::try::he4bce625742be941
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285
Dec 14 21:16:51.598 INFO [stderr]   14:     0x562fd8af3dcc - std::panic::catch_unwind::heedba68eb12fabfc
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398
Dec 14 21:16:51.598 INFO [stderr]   15:     0x562fd8b4cbd9 - std::thread::Builder::spawn_unchecked::{{closure}}::hf563e78ca145a072
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:478
Dec 14 21:16:51.598 INFO [stderr]   16:     0x562fd8b4dd86 - <F as alloc::boxed::FnBox<A>>::call_box::haf09786158ddbea9
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673
Dec 14 21:16:51.598 INFO [stderr]   17:     0x562fd8bd95bd - std::sys::unix::thread::Thread::new::thread_start::h42c32b292fdd228f
Dec 14 21:16:51.598 INFO [stderr]                                at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:683
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/sys_common/thread.rs:24
Dec 14 21:16:51.598 INFO [stderr]                                at src/libstd/sys/unix/thread.rs:91
Dec 14 21:16:51.598 INFO [stderr]   18:     0x7f48730516b9 - start_thread
Dec 14 21:16:51.598 INFO [stderr]   19:     0x7f4872b7141c - clone
Dec 14 21:16:51.598 INFO [stderr]   20:                0x0 - <unknown>
Dec 14 21:16:51.598 INFO [stderr]    Doc-tests rusty-variation
Dec 14 21:16:52.458 INFO [stdout] 
Dec 14 21:16:52.458 INFO [stdout] running 0 tests
Dec 14 21:16:52.458 INFO [stdout] 
Dec 14 21:16:52.458 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 21:16:52.458 INFO [stdout] 
Dec 14 21:16:52.465 INFO [stderr] su: No module specific data is present
Dec 14 21:16:53.170 INFO running `"docker" "inspect" "a7657c1c8033c7edf856fd5f4c806486aee649bc87e7accf6f1ff75ab1c51c6b"`
Dec 14 21:16:53.349 INFO running `"docker" "rm" "-f" "a7657c1c8033c7edf856fd5f4c806486aee649bc87e7accf6f1ff75ab1c51c6b"`
Dec 14 21:16:53.491 INFO [stdout] a7657c1c8033c7edf856fd5f4c806486aee649bc87e7accf6f1ff75ab1c51c6b