Dec 07 12:00:46.554 INFO testing grabbag-0.1.2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 12:00:46.555 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 12:00:46.763 INFO [stdout] 6c95f834b6df175c55c870b46f85034c03540dfc3178320d1a6e0644541b0a28
Dec 07 12:00:46.765 INFO running `"docker" "start" "-a" "6c95f834b6df175c55c870b46f85034c03540dfc3178320d1a6e0644541b0a28"`
Dec 07 12:00:47.462 INFO [stderr] usermod: no changes
Dec 07 12:00:47.499 INFO [stderr]    Compiling grabbag_macros v0.1.2
Dec 07 12:00:48.533 INFO [stderr]    Compiling grabbag v0.1.2 (/source)
Dec 07 12:00:49.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Dec 07 12:00:49.091 INFO [stderr] su: No module specific data is present
Dec 07 12:00:49.380 INFO running `"docker" "inspect" "6c95f834b6df175c55c870b46f85034c03540dfc3178320d1a6e0644541b0a28"`
Dec 07 12:00:49.510 INFO running `"docker" "rm" "-f" "6c95f834b6df175c55c870b46f85034c03540dfc3178320d1a6e0644541b0a28"`
Dec 07 12:00:49.736 INFO [stdout] 6c95f834b6df175c55c870b46f85034c03540dfc3178320d1a6e0644541b0a28
Dec 07 12:00:49.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 12:00:50.161 INFO [stdout] 96830e771a5933110cd228f7445d6c2f30c7947182a4fe22cb5a1e5ab40fa5ab
Dec 07 12:00:50.163 INFO running `"docker" "start" "-a" "96830e771a5933110cd228f7445d6c2f30c7947182a4fe22cb5a1e5ab40fa5ab"`
Dec 07 12:00:51.016 INFO [stderr] usermod: no changes
Dec 07 12:00:51.063 INFO [stderr]    Compiling grabbag v0.1.2 (/source)
Dec 07 12:00:52.076 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 07 12:00:52.076 INFO [stderr]   --> src/iter/skip_exactly.rs:57:37
Dec 07 12:00:52.076 INFO [stderr]    |
Dec 07 12:00:52.076 INFO [stderr] 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Dec 07 12:00:52.076 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 12:00:52.076 INFO [stderr]    |
Dec 07 12:00:52.076 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 12:00:52.076 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 07 12:00:52.076 INFO [stderr] 
Dec 07 12:00:52.076 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 07 12:00:52.076 INFO [stderr]   --> src/iter/take_exactly.rs:90:37
Dec 07 12:00:52.076 INFO [stderr]    |
Dec 07 12:00:52.076 INFO [stderr] 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Dec 07 12:00:52.076 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 12:00:52.076 INFO [stderr]    |
Dec 07 12:00:52.076 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 07 12:00:52.076 INFO [stderr] 
Dec 07 12:00:53.285 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
Dec 07 12:00:53.285 INFO [stderr] su: No module specific data is present
Dec 07 12:00:53.822 INFO running `"docker" "inspect" "96830e771a5933110cd228f7445d6c2f30c7947182a4fe22cb5a1e5ab40fa5ab"`
Dec 07 12:00:53.879 INFO running `"docker" "rm" "-f" "96830e771a5933110cd228f7445d6c2f30c7947182a4fe22cb5a1e5ab40fa5ab"`
Dec 07 12:00:54.065 INFO [stdout] 96830e771a5933110cd228f7445d6c2f30c7947182a4fe22cb5a1e5ab40fa5ab
Dec 07 12:00:54.067 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 12:00:56.002 INFO [stdout] 1ef1fe193bb6b5e501ccaffc751e30b0dbb65667c77540a0feb30ce74956e0b9
Dec 07 12:00:56.004 INFO running `"docker" "start" "-a" "1ef1fe193bb6b5e501ccaffc751e30b0dbb65667c77540a0feb30ce74956e0b9"`
Dec 07 12:00:56.400 INFO [stderr] usermod: no changes
Dec 07 12:00:56.454 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 07 12:00:56.466 INFO [stderr]      Running /target/debug/deps/grabbag-f3df2240cfab2aa4
Dec 07 12:00:56.467 INFO [stdout] 
Dec 07 12:00:56.467 INFO [stdout] running 22 tests
Dec 07 12:00:56.468 INFO [stdout] test iter::accumulate::test_accumulate_unwrap ... ok
Dec 07 12:00:56.468 INFO [stdout] test iter::cartesian_product::test_cartesian_product ... ok
Dec 07 12:00:56.468 INFO [stdout] test iter::accumulate::test_accumulate ... ok
Dec 07 12:00:56.468 INFO [stdout] test iter::pad_tail_to::test_pad_tail_to ... ok
Dec 07 12:00:56.468 INFO [stdout] test iter::clone_each::test_clone_each ... ok
Dec 07 12:00:56.469 INFO [stderr] thread '<unnamed>' panicked at 'skip_exactly asked to skip 3 elements, but only got 2', src/iter/skip_exactly.rs:38:25
Dec 07 12:00:56.469 INFO [stderr] stack backtrace:
Dec 07 12:00:56.469 INFO [stdout] test iter::group_by::test_group_by ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::fold::test_foldr ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::round_robin::test_round_robin ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::keep_some::test_keep_some ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::round_robin::test_round_robin_longest ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::skip_exactly::test_skip ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::sorted::test_sorted ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::fold::test_foldl_map ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::take_exactly::test_take ... ok
Dec 07 12:00:56.469 INFO [stdout] test iter::stride::test_stride ... ok
Dec 07 12:00:56.470 INFO [stdout] test iter::intersperse::test_intersperse ... ok
Dec 07 12:00:56.470 INFO [stdout] test iter::sorted::test_sorted_by ... ok
Dec 07 12:00:56.470 INFO [stdout] test iter::fold::test_foldl ... ok
Dec 07 12:00:56.470 INFO [stderr] thread '<unnamed>' panicked at 'take_exactly expected 1 more elements from iterator, but ran out', src/iter/take_exactly.rs:67:25
Dec 07 12:00:56.470 INFO [stdout] test iter::tee::test_tee ... ok
Dec 07 12:00:56.470 INFO [stdout] test iter::zip_longest::test_zip_longest ... ok
Dec 07 12:00:56.477 INFO [stderr]    0:     0x55db77316a03 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h82c998a0e635a5c4
Dec 07 12:00:56.500 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 07 12:00:56.501 INFO [stderr]    1:     0x55db773110b8 - std::sys_common::backtrace::_print::h5fbc0bc3cf12d9bf
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 07 12:00:56.501 INFO [stderr]    2:     0x55db77315972 - std::panicking::default_hook::{{closure}}::h42b81c3dd1a50e32
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:211
Dec 07 12:00:56.501 INFO [stderr]    3:     0x55db773156dd - std::panicking::default_hook::h6c8d8e1c12a669e5
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:227
Dec 07 12:00:56.501 INFO [stderr]    4:     0x55db77316080 - std::panicking::rust_panic_with_hook::hce93a56e38c2b0aa
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:491
Dec 07 12:00:56.501 INFO [stderr]    5:     0x55db77315c01 - std::panicking::continue_panic_fmt::hf3c774aec6124caa
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:398
Dec 07 12:00:56.501 INFO [stderr]    6:     0x55db77315b4e - std::panicking::begin_panic_fmt::h3605d603150d0c9a
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:353
Dec 07 12:00:56.501 INFO [stderr]    7:     0x55db7728eb09 - grabbag::iter::skip_exactly::SkipExactlyIterator::skip_exactly::h198dffd27b29b50c
Dec 07 12:00:56.501 INFO [stderr]                                at src/iter/skip_exactly.rs:38
Dec 07 12:00:56.501 INFO [stderr]    8:     0x55db772a12c0 - grabbag::iter::skip_exactly::test_skip_exactly::{{closure}}::hbf6e8637501c49b2
Dec 07 12:00:56.501 INFO [stderr]                                at src/iter/skip_exactly.rs:57
Dec 07 12:00:56.501 INFO [stderr]    9:     0x55db772c39a7 - std::sys_common::backtrace::__rust_begin_short_backtrace::h81f8f74d132f5848
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/sys_common/backtrace.rs:136
Dec 07 12:00:56.501 INFO [stderr]   10:     0x55db77296784 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h39c36ce11ca85ea5
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/thread/mod.rs:477
Dec 07 12:00:56.501 INFO [stderr]   11:     0x55db7729de37 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he3751e451cf02a04
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panic.rs:319
Dec 07 12:00:56.501 INFO [stderr]   12:     0x55db772aff6f - std::panicking::try::do_call::h477c70795c5727c1
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panicking.rs:310
Dec 07 12:00:56.501 INFO [stderr]   13:     0x55db773246e9 - __rust_maybe_catch_panic
Dec 07 12:00:56.501 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 07 12:00:56.501 INFO [stderr]   14:     0x55db772afcef - std::panicking::try::h4276a3eeea035010
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panicking.rs:289
Dec 07 12:00:56.501 INFO [stderr]   15:     0x55db7729df17 - std::panic::catch_unwind::h49553bae1409988b
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panic.rs:398
Dec 07 12:00:56.501 INFO [stderr]   16:     0x55db77296591 - std::thread::Builder::spawn_unchecked::{{closure}}::hd51189a84a9d1ee2
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/thread/mod.rs:476
Dec 07 12:00:56.501 INFO [stderr]   17:     0x55db77297a4f - <F as alloc::boxed::FnBox<A>>::call_box::h90b154495bc8de08
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/boxed.rs:673
Dec 07 12:00:56.501 INFO [stderr]   18:     0x55db7731860d - std::sys::unix::thread::Thread::new::thread_start::h0fe9c527147fd5f5
Dec 07 12:00:56.501 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/boxed.rs:683
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys_common/thread.rs:24
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys/unix/thread.rs:90
Dec 07 12:00:56.501 INFO [stderr]   19:     0x7effc61ff6b9 - start_thread
Dec 07 12:00:56.501 INFO [stderr]   20:     0x7effc5d1f41c - clone
Dec 07 12:00:56.501 INFO [stderr]   21:                0x0 - <unknown>
Dec 07 12:00:56.501 INFO [stderr] stack backtrace:
Dec 07 12:00:56.501 INFO [stderr]    0:     0x55db77316a03 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h82c998a0e635a5c4
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 07 12:00:56.501 INFO [stderr]    1:     0x55db773110b8 - std::sys_common::backtrace::_print::h5fbc0bc3cf12d9bf
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 07 12:00:56.501 INFO [stderr]    2:     0x55db77315972 - std::panicking::default_hook::{{closure}}::h42b81c3dd1a50e32
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:211
Dec 07 12:00:56.501 INFO [stderr]    3:     0x55db773156dd - std::panicking::default_hook::h6c8d8e1c12a669e5
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:227
Dec 07 12:00:56.501 INFO [stderr]    4:     0x55db77316080 - std::panicking::rust_panic_with_hook::hce93a56e38c2b0aa
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:491
Dec 07 12:00:56.501 INFO [stderr]    5:     0x55db77315c01 - std::panicking::continue_panic_fmt::hf3c774aec6124caa
Dec 07 12:00:56.501 INFO [stderr]                                at src/libstd/panicking.rs:398
Dec 07 12:00:56.501 INFO [stderr]    6:     0x55db77315b4e - std::panicking::begin_panic_fmt::h3605d603150d0c9a
Dec 07 12:00:56.505 INFO [stderr]                                at src/libstd/panicking.rs:353
Dec 07 12:00:56.505 INFO [stdout] test iter::take_exactly::test_take_exactly ... ok
Dec 07 12:00:56.505 INFO [stderr]    7:     0x55db772c9064 - <grabbag::iter::take_exactly::TakeExactly<It> as core::iter::iterator::Iterator>::next::hbc0607dee1d55fd5
Dec 07 12:00:56.505 INFO [stdout] test iter::skip_exactly::test_skip_exactly ... ok
Dec 07 12:00:56.505 INFO [stderr]                                at src/iter/take_exactly.rs:67
Dec 07 12:00:56.505 INFO [stdout] 
Dec 07 12:00:56.505 INFO [stderr]    8:     0x55db77285c02 - <alloc::vec::Vec<T>>::extend_desugared::hdf45e20576dd55f4
Dec 07 12:00:56.505 INFO [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/vec.rs:1908
Dec 07 12:00:56.505 INFO [stdout] 
Dec 07 12:00:56.505 INFO [stderr]    9:     0x55db7728af3b - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::spec_extend::ha458090cdedfbf48
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/vec.rs:1805
Dec 07 12:00:56.505 INFO [stderr]   10:     0x55db7728c835 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter::ha0a9f106127af99f
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/vec.rs:1800
Dec 07 12:00:56.505 INFO [stderr]   11:     0x55db7728d9d6 - <alloc::vec::Vec<T> as core::iter::traits::FromIterator<T>>::from_iter::hf0c705a520892fd0
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/vec.rs:1700
Dec 07 12:00:56.505 INFO [stderr]   12:     0x55db772c7b69 - core::iter::iterator::Iterator::collect::hacaec9d0a55c9f4e
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libcore/iter/iterator.rs:1477
Dec 07 12:00:56.505 INFO [stderr]   13:     0x55db772ca49d - grabbag::iter::take_exactly::test_take_exactly::{{closure}}::he32c7b93613cd757
Dec 07 12:00:56.505 INFO [stderr]                                at src/iter/take_exactly.rs:90
Dec 07 12:00:56.505 INFO [stderr]   14:     0x55db772c39d7 - std::sys_common::backtrace::__rust_begin_short_backtrace::h956aeb27da28f0b7
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/sys_common/backtrace.rs:136
Dec 07 12:00:56.505 INFO [stderr]   15:     0x55db772967b4 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hda2f06feeeb0e5ea
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/thread/mod.rs:477
Dec 07 12:00:56.505 INFO [stderr]   16:     0x55db7729de07 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haf06006f48213a13
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panic.rs:319
Dec 07 12:00:56.505 INFO [stderr]   17:     0x55db772afeff - std::panicking::try::do_call::h20026ecfe5a9d484
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panicking.rs:310
Dec 07 12:00:56.505 INFO [stderr]   18:     0x55db773246e9 - __rust_maybe_catch_panic
Dec 07 12:00:56.505 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 07 12:00:56.505 INFO [stderr]   19:     0x55db772afdff - std::panicking::try::h7f4b03a09b1feaf2
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panicking.rs:289
Dec 07 12:00:56.505 INFO [stderr]   20:     0x55db7729df57 - std::panic::catch_unwind::hf90eeaab65ee3f5e
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/panic.rs:398
Dec 07 12:00:56.505 INFO [stderr]   21:     0x55db77296291 - std::thread::Builder::spawn_unchecked::{{closure}}::h6ed60c44bc91bfa3
Dec 07 12:00:56.505 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/libstd/thread/mod.rs:476
Dec 07 12:00:56.506 INFO [stderr]   22:     0x55db77297abf - <F as alloc::boxed::FnBox<A>>::call_box::hf3f914108367b44a
Dec 07 12:00:56.506 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/boxed.rs:673
Dec 07 12:00:56.506 INFO [stderr]   23:     0x55db7731860d - std::sys::unix::thread::Thread::new::thread_start::h0fe9c527147fd5f5
Dec 07 12:00:56.506 INFO [stderr]                                at /rustc/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468/src/liballoc/boxed.rs:683
Dec 07 12:00:56.506 INFO [stderr]                                at src/libstd/sys_common/thread.rs:24
Dec 07 12:00:56.506 INFO [stderr]                                at src/libstd/sys/unix/thread.rs:90
Dec 07 12:00:56.506 INFO [stderr]   24:     0x7effc61ff6b9 - start_thread
Dec 07 12:00:56.506 INFO [stderr]   25:     0x7effc5d1f41c - clone
Dec 07 12:00:56.506 INFO [stderr]   26:                0x0 - <unknown>
Dec 07 12:00:56.506 INFO [stderr]    Doc-tests grabbag
Dec 07 12:00:57.020 INFO [stdout] 
Dec 07 12:00:57.020 INFO [stdout] running 2 tests
Dec 07 12:00:57.973 INFO [stdout] test src/iter/group_by.rs - iter::group_by::GroupByIterator::group_by (line 23) ... ok
Dec 07 12:00:58.040 INFO [stdout] test src/iter/accumulate.rs - iter::accumulate::AccumulateIterator::accumulate (line 34) ... ok
Dec 07 12:00:58.040 INFO [stdout] 
Dec 07 12:00:58.040 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 12:00:58.040 INFO [stdout] 
Dec 07 12:00:58.054 INFO [stderr] su: No module specific data is present
Dec 07 12:00:58.922 INFO running `"docker" "inspect" "1ef1fe193bb6b5e501ccaffc751e30b0dbb65667c77540a0feb30ce74956e0b9"`
Dec 07 12:00:59.148 INFO running `"docker" "rm" "-f" "1ef1fe193bb6b5e501ccaffc751e30b0dbb65667c77540a0feb30ce74956e0b9"`
Dec 07 12:00:59.281 INFO [stdout] 1ef1fe193bb6b5e501ccaffc751e30b0dbb65667c77540a0feb30ce74956e0b9