[INFO] fetching crate grabbag 0.1.2... [INFO] extracting crate grabbag 0.1.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/grabbag/0.1.2 [INFO] extracting crate grabbag 0.1.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/grabbag/0.1.2 [INFO] validating manifest of grabbag-0.1.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of grabbag-0.1.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing grabbag-0.1.2 [INFO] removed path dependency grabbag_macros from grabbag-0.1.2 [INFO] finished frobbing grabbag-0.1.2 [INFO] frobbed toml for grabbag-0.1.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/grabbag/0.1.2/Cargo.toml [INFO] started frobbing grabbag-0.1.2 [INFO] removed path dependency grabbag_macros from grabbag-0.1.2 [INFO] finished frobbing grabbag-0.1.2 [INFO] frobbed toml for grabbag-0.1.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/grabbag/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded grabbag_macros v0.1.2 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing grabbag-0.1.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/grabbag/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] cfb6ebb5b19d420ce6efe812cc8e540ae1a1cc06cda7c80f507b81b627d73c59 [INFO] running `"docker" "start" "-a" "cfb6ebb5b19d420ce6efe812cc8e540ae1a1cc06cda7c80f507b81b627d73c59"` [INFO] [stderr] Compiling grabbag_macros v0.1.2 [INFO] [stderr] Compiling grabbag v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `"docker" "inspect" "cfb6ebb5b19d420ce6efe812cc8e540ae1a1cc06cda7c80f507b81b627d73c59"` [INFO] running `"docker" "rm" "-f" "cfb6ebb5b19d420ce6efe812cc8e540ae1a1cc06cda7c80f507b81b627d73c59"` [INFO] [stdout] cfb6ebb5b19d420ce6efe812cc8e540ae1a1cc06cda7c80f507b81b627d73c59 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/grabbag/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 8405d7efda2bc6938f09e8f1a6158190b78e764de16aadff1b69cdc9829081cd [INFO] running `"docker" "start" "-a" "8405d7efda2bc6938f09e8f1a6158190b78e764de16aadff1b69cdc9829081cd"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling grabbag v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/iter/skip_exactly.rs:57:37 [INFO] [stderr] | [INFO] [stderr] 57 | let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::>(); }).join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/iter/take_exactly.rs:90:37 [INFO] [stderr] | [INFO] [stderr] 90 | let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::>(); }).join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `"docker" "inspect" "8405d7efda2bc6938f09e8f1a6158190b78e764de16aadff1b69cdc9829081cd"` [INFO] running `"docker" "rm" "-f" "8405d7efda2bc6938f09e8f1a6158190b78e764de16aadff1b69cdc9829081cd"` [INFO] [stdout] 8405d7efda2bc6938f09e8f1a6158190b78e764de16aadff1b69cdc9829081cd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/grabbag/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 076bcf4f0e983109e72cb13cea1120d4589b09def2115ee173464ab57ffaae13 [INFO] running `"docker" "start" "-a" "076bcf4f0e983109e72cb13cea1120d4589b09def2115ee173464ab57ffaae13"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/grabbag-69be9a2111f7915b [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test iter::clone_each::test_clone_each ... ok [INFO] [stdout] test iter::accumulate::test_accumulate_unwrap ... ok [INFO] [stdout] test iter::fold::test_foldl_map ... ok [INFO] [stdout] test iter::fold::test_foldl ... ok [INFO] [stdout] test iter::fold::test_foldr ... ok [INFO] [stdout] test iter::accumulate::test_accumulate ... ok [INFO] [stdout] test iter::cartesian_product::test_cartesian_product ... ok [INFO] [stdout] test iter::group_by::test_group_by ... ok [INFO] [stdout] test iter::keep_some::test_keep_some ... ok [INFO] [stdout] test iter::pad_tail_to::test_pad_tail_to ... ok [INFO] [stdout] test iter::round_robin::test_round_robin_longest ... ok [INFO] [stdout] test iter::skip_exactly::test_skip ... ok [INFO] [stdout] test iter::intersperse::test_intersperse ... ok [INFO] [stdout] test iter::round_robin::test_round_robin ... ok [INFO] [stdout] test iter::sorted::test_sorted_by ... ok [INFO] [stdout] test iter::stride::test_stride ... ok [INFO] [stdout] test iter::take_exactly::test_take ... ok [INFO] [stdout] test iter::sorted::test_sorted ... ok [INFO] [stdout] test iter::tee::test_tee ... ok [INFO] [stdout] test iter::zip_longest::test_zip_longest ... ok [INFO] [stderr] thread '' panicked at 'take_exactly expected 1 more elements from iterator, but ran out', src/iter/take_exactly.rs:67:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] thread '' panicked at 'skip_exactly asked to skip 3 elements, but only got 2', src/iter/skip_exactly.rs:38:25 [INFO] [stderr] 0: 0x55f5d46f8a8b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f5d46f8a8b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f5d46f8a8b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f5d46f8a8b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f5d46f8a8b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stdout] test iter::skip_exactly::test_skip_exactly ... ok [INFO] [stderr] 5: 0x55f5d46f878c - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55f5d46f9200 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55f5d46f8d82 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55f5d46f8ccf - std::panicking::begin_panic_fmt::h6fa6b99240aafbc9 [INFO] [stderr] at src/libstd/panicking.rs:337 [INFO] [stderr] 9: 0x55f5d4679284 - as core::iter::traits::iterator::Iterator>::next::h540ed90624ed02c6 [INFO] [stderr] at src/iter/take_exactly.rs:67 [INFO] [stderr] 10: 0x55f5d4668c63 - alloc::vec::Vec::extend_desugared::h44c254f51d433e38 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/vec.rs:2003 [INFO] [stderr] 11: 0x55f5d466c1bc - as alloc::vec::SpecExtend>::spec_extend::h7acf113e9c885dcf [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/vec.rs:1900 [INFO] [stderr] 12: 0x55f5d466e5e1 - as alloc::vec::SpecExtend>::from_iter::hfe96caa52b4687b9 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/vec.rs:1895 [INFO] [stderr] 13: 0x55f5d466fe87 - as core::iter::traits::collect::FromIterator>::from_iter::hd9f6e1f56707234f [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/vec.rs:1796 [INFO] [stderr] 14: 0x55f5d467820a - core::iter::traits::iterator::Iterator::collect::hef6f273b5cef42c8 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/iter/traits/iterator.rs:1466 [INFO] [stderr] 15: 0x55f5d467a72e - grabbag::iter::take_exactly::test_take_exactly::{{closure}}::h1e6f8da84613701d [INFO] [stderr] at src/iter/take_exactly.rs:90 [INFO] [stderr] 16: 0x55f5d469f178 - std::sys_common::backtrace::__rust_begin_short_backtrace::h13466d7f65a8c0cb [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 17: 0x55f5d467bf45 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1c5d2ccee6469415 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stderr] 18: 0x55f5d46a7d68 - as core::ops::function::FnOnce<()>>::call_once::heffe9008f413f3dc [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stderr] 19: 0x55f5d4681740 - std::panicking::try::do_call::hf824921a2c4f4382 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stderr] 20: 0x55f5d46fbe1a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 21: 0x55f5d4681360 - std::panicking::try::h8bd54fbfe0ca79cc [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stderr] 22: 0x55f5d46a7de8 - std::panic::catch_unwind::h63ef822dd94e322b [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stderr] 23: 0x55f5d467bd52 - std::thread::Builder::spawn_unchecked::{{closure}}::hec03fbb8cf8401fa [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stderr] 24: 0x55f5d46a9733 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hca3f02f4501bcc2a [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stderr] 25: 0x55f5d46eeaaf - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stderr] 26: 0x55f5d46fb4d0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stderr] 27: 0x55f5d46fb4d0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 28: 0x55f5d46fb4d0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 29: 0x7fe705ca44a4 - start_thread [INFO] [stderr] 30: 0x7fe7057cfd0f - __clone [INFO] [stderr] 31: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f5d46f8a8b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f5d46f8a8b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f5d46f8a8b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f5d46f8a8b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f5d46f8a8b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55f5d46f878c - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55f5d46f9200 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55f5d46f8d82 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55f5d46f8ccf - std::panicking::begin_panic_fmt::h6fa6b99240aafbc9 [INFO] [stderr] at src/libstd/panicking.rs:337 [INFO] [stderr] 9: 0x55f5d4670f0a - grabbag::iter::skip_exactly::SkipExactlyIterator::skip_exactly::h6bfcd942f4cd70b2 [INFO] [stderr] at src/iter/skip_exactly.rs:38 [INFO] [stderr] 10: 0x55f5d468aa41 - grabbag::iter::skip_exactly::test_skip_exactly::{{closure}}::h386fdbfa2dc1b16c [INFO] [stderr] at src/iter/skip_exactly.rs:57 [INFO] [stderr] 11: 0x55f5d469f1a8 - std::sys_common::backtrace::__rust_begin_short_backtrace::h98899848b9855620 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 12: 0x55f5d467bf75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hddd35e62e99637d5 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stderr] 13: 0x55f5d46a7d38 - as core::ops::function::FnOnce<()>>::call_once::hce660c49b9cc8756 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stderr] 14: 0x55f5d46816d0 - std::panicking::try::do_call::h22ac84763bd59f49 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stderr] 15: 0x55f5d46fbe1a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 16: 0x55f5d4681520 - std::panicking::try::hda7c85dc2c26b616 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stderr] 17: 0x55f5d46a7da8 - std::panic::catch_unwind::h1dafdc9a68aad2d0 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stderr] 18: 0x55f5d467ba52 - std::thread::Builder::spawn_unchecked::{{closure}}::h2c1a2867503f8c53 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stderr] 19: 0x55f5d46a9713 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc7445987c30c59c1 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stderr] 20: 0x55f5d46eeaaf - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stderr] 21: 0x55f5d46fb4d0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stderr] 22: 0x55f5d46fb4d0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 23: 0x55f5d46fb4d0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 24: 0x7fe705ca44a4 - start_thread [INFO] [stderr] 25: 0x7fe7057cfd0f - __clone [INFO] [stderr] 26: 0x0 - [INFO] [stderr] Doc-tests grabbag [INFO] [stdout] test iter::take_exactly::test_take_exactly ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/iter/group_by.rs - iter::group_by::GroupByIterator::group_by (line 23) ... ok [INFO] [stdout] test src/iter/accumulate.rs - iter::accumulate::AccumulateIterator::accumulate (line 34) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "076bcf4f0e983109e72cb13cea1120d4589b09def2115ee173464ab57ffaae13"` [INFO] running `"docker" "rm" "-f" "076bcf4f0e983109e72cb13cea1120d4589b09def2115ee173464ab57ffaae13"` [INFO] [stdout] 076bcf4f0e983109e72cb13cea1120d4589b09def2115ee173464ab57ffaae13