[INFO] crate grabbag 0.1.2 is already in cache [INFO] testing grabbag-0.1.2 against 1.45.2 for beta-1.46-1 [INFO] extracting crate grabbag 0.1.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate grabbag 0.1.2 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate grabbag 0.1.2 [INFO] removed path dependency grabbag_macros from crates.io crate grabbag 0.1.2 [INFO] finished tweaking crates.io crate grabbag 0.1.2 [INFO] tweaked toml for crates.io crate grabbag 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 02e233bf19ccb7961f9eb1ce23280fae45fc739a5420ae6e232e754549d9d2a5 [INFO] running `Command { std: "docker" "start" "-a" "02e233bf19ccb7961f9eb1ce23280fae45fc739a5420ae6e232e754549d9d2a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02e233bf19ccb7961f9eb1ce23280fae45fc739a5420ae6e232e754549d9d2a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02e233bf19ccb7961f9eb1ce23280fae45fc739a5420ae6e232e754549d9d2a5", kill_on_drop: false }` [INFO] [stdout] 02e233bf19ccb7961f9eb1ce23280fae45fc739a5420ae6e232e754549d9d2a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03329553ba2d790d715cb8a2782a1620f37bba8475d5e93c307ee6a4305e2623 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "03329553ba2d790d715cb8a2782a1620f37bba8475d5e93c307ee6a4305e2623", kill_on_drop: false }` [INFO] [stderr] Compiling grabbag_macros v0.1.2 [INFO] [stderr] Compiling grabbag v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.99s [INFO] running `Command { std: "docker" "inspect" "03329553ba2d790d715cb8a2782a1620f37bba8475d5e93c307ee6a4305e2623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03329553ba2d790d715cb8a2782a1620f37bba8475d5e93c307ee6a4305e2623", kill_on_drop: false }` [INFO] [stdout] 03329553ba2d790d715cb8a2782a1620f37bba8475d5e93c307ee6a4305e2623 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 838c9bb151cf15a04054f299e5efcae47a1a066175df8827bdb184c8864d40cd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "838c9bb151cf15a04054f299e5efcae47a1a066175df8827bdb184c8864d40cd", kill_on_drop: false }` [INFO] [stderr] Compiling grabbag v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stdout] --> src/iter/skip_exactly.rs:57:37 [INFO] [stdout] | [INFO] [stdout] 57 | let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::>(); }).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stdout] --> src/iter/take_exactly.rs:90:37 [INFO] [stdout] | [INFO] [stdout] 90 | let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::>(); }).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.92s [INFO] running `Command { std: "docker" "inspect" "838c9bb151cf15a04054f299e5efcae47a1a066175df8827bdb184c8864d40cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838c9bb151cf15a04054f299e5efcae47a1a066175df8827bdb184c8864d40cd", kill_on_drop: false }` [INFO] [stdout] 838c9bb151cf15a04054f299e5efcae47a1a066175df8827bdb184c8864d40cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e50ed4e696393e49827175b719c813e51a93bd16570912a41f4b4f2caa04a13d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e50ed4e696393e49827175b719c813e51a93bd16570912a41f4b4f2caa04a13d", kill_on_drop: false }` [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] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/grabbag-cbf7dfa9f6ed3e98 [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stderr] thread '' panicked at 'skip_exactly asked to skip 3 elements, but only got 2', src/iter/skip_exactly.rs:38:25 [INFO] [stdout] test iter::cartesian_product::test_cartesian_product ... ok [INFO] [stderr] stack backtrace: [INFO] [stdout] test iter::fold::test_foldr ... 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] [stdout] test iter::accumulate::test_accumulate_unwrap ... ok [INFO] [stdout] test iter::fold::test_foldl_map ... ok [INFO] [stdout] test iter::accumulate::test_accumulate ... ok [INFO] [stdout] test iter::skip_exactly::test_skip ... ok [INFO] [stdout] test iter::round_robin::test_round_robin ... ok [INFO] [stdout] test iter::round_robin::test_round_robin_longest ... ok [INFO] [stdout] test iter::intersperse::test_intersperse ... ok [INFO] [stdout] test iter::keep_some::test_keep_some ... ok [INFO] [stdout] test iter::clone_each::test_clone_each ... ok [INFO] [stdout] test iter::fold::test_foldl ... ok [INFO] [stdout] test iter::sorted::test_sorted ... ok [INFO] [stdout] test iter::pad_tail_to::test_pad_tail_to ... 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::zip_longest::test_zip_longest ... ok [INFO] [stdout] test iter::tee::test_tee ... ok [INFO] [stdout] test iter::group_by::test_group_by ... ok [INFO] [stderr] 0: 0x55c3b6a3feb5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55c3b6a3feb5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c3b6a3feb5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55c3b6a3feb5 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] test iter::skip_exactly::test_skip_exactly ... ok [INFO] [stderr] 4: 0x55c3b6a67d9c - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55c3b6a3c7c3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55c3b6a426e0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55c3b6a426e0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55c3b6a426e0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55c3b6a4242c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55c3b6a42d17 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55c3b6a4291b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x55c3b6a4288b - std::panicking::begin_panic_fmt::ha757bc84d5ed8cb6 [INFO] [stderr] at src/libstd/panicking.rs:342 [INFO] [stderr] 13: 0x55c3b69b9500 - grabbag::iter::skip_exactly::SkipExactlyIterator::skip_exactly::h5709ca3cd3839e8e [INFO] [stderr] at src/iter/skip_exactly.rs:38 [INFO] [stderr] 14: 0x55c3b69c8e41 - grabbag::iter::skip_exactly::test_skip_exactly::{{closure}}::ha5f9bac9fc6c9562 [INFO] [stderr] at src/iter/skip_exactly.rs:57 [INFO] [stderr] 15: 0x55c3b69c5f15 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4b44170195c922fa [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x55c3b69c0765 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6cd7f0849657b64c [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x55c3b69e24e8 - as core::ops::function::FnOnce<()>>::call_once::h0934b4c679c2f11e [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x55c3b69e2950 - std::panicking::try::do_call::h24c67290ad68d454 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stderr] 19: 0x55c3b69e648d - __rust_try [INFO] [stderr] 20: 0x55c3b69e276d - std::panicking::try::h38d9524d0f75e0a9 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x55c3b69e2568 - std::panic::catch_unwind::h2f9671264852aa0c [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55c3b69c025d - std::thread::Builder::spawn_unchecked::{{closure}}::h3cc53fe923efcb9e [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x55c3b69dd5be - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1a81045fdfd6c612 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stderr] 24: 0x55c3b6a48fea - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 25: 0x55c3b6a48fea - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 26: 0x55c3b6a48fea - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7ff183be1609 - start_thread [INFO] [stderr] 28: 0x7ff183aed103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stdout] test iter::take_exactly::test_take_exactly ... ok [INFO] [stderr] stack backtrace: [INFO] [stdout] [INFO] [stderr] 0: 0x55c3b6a3feb5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] [INFO] [stderr] 1: 0x55c3b6a3feb5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c3b6a3feb5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55c3b6a3feb5 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55c3b6a67d9c - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55c3b6a3c7c3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55c3b6a426e0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55c3b6a426e0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55c3b6a426e0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55c3b6a4242c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55c3b6a42d17 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55c3b6a4291b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x55c3b6a4288b - std::panicking::begin_panic_fmt::ha757bc84d5ed8cb6 [INFO] [stderr] at src/libstd/panicking.rs:342 [INFO] [stderr] 13: 0x55c3b69c1ce8 - as core::iter::traits::iterator::Iterator>::next::hf0d0e911e289fd1d [INFO] [stderr] at src/iter/take_exactly.rs:67 [INFO] [stderr] 14: 0x55c3b69b2deb - alloc::vec::Vec::extend_desugared::h65bbedd5bf91d6e9 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/vec.rs:2200 [INFO] [stderr] 15: 0x55c3b69b5307 - as alloc::vec::SpecExtend>::spec_extend::h7ebb2fa46cc79de8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/vec.rs:2093 [INFO] [stderr] 16: 0x55c3b69b5dda - as alloc::vec::SpecExtend>::from_iter::h47eec96d6900b330 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/vec.rs:2088 [INFO] [stderr] 17: 0x55c3b69b81e7 - as core::iter::traits::collect::FromIterator>::from_iter::h334d691e91a03b9a [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/vec.rs:1978 [INFO] [stderr] 18: 0x55c3b69c08fa - core::iter::traits::iterator::Iterator::collect::h592e550525cc7a78 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/iter/traits/iterator.rs:1671 [INFO] [stderr] 19: 0x55c3b69c31ee - grabbag::iter::take_exactly::test_take_exactly::{{closure}}::h721c737ed08615c0 [INFO] [stderr] at src/iter/take_exactly.rs:90 [INFO] [stderr] 20: 0x55c3b69c5f45 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd9a2372253d7228d [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 21: 0x55c3b69c0735 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5f73f74d79682887 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stderr] 22: 0x55c3b69e2518 - as core::ops::function::FnOnce<()>>::call_once::hec05786f22c9466c [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stderr] 23: 0x55c3b69e29b0 - std::panicking::try::do_call::h8d89f6ed37e6dd47 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stderr] 24: 0x55c3b69e648d - __rust_try [INFO] [stderr] 25: 0x55c3b69e288d - std::panicking::try::h9a59167eea73c1eb [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stderr] 26: 0x55c3b69e25a8 - std::panic::catch_unwind::he11760ca31aaa3d4 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stderr] 27: 0x55c3b69c054d - std::thread::Builder::spawn_unchecked::{{closure}}::hc14b0c7078cea67e [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stderr] 28: 0x55c3b69dd59e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0cb917fe632d1ee0 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stderr] 29: 0x55c3b6a48fea - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 30: 0x55c3b6a48fea - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 31: 0x55c3b6a48fea - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 32: 0x7ff183be1609 - start_thread [INFO] [stderr] 33: 0x7ff183aed103 - __clone [INFO] [stderr] 34: 0x0 - [INFO] [stderr] Doc-tests grabbag [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 `Command { std: "docker" "inspect" "e50ed4e696393e49827175b719c813e51a93bd16570912a41f4b4f2caa04a13d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e50ed4e696393e49827175b719c813e51a93bd16570912a41f4b4f2caa04a13d", kill_on_drop: false }` [INFO] [stdout] e50ed4e696393e49827175b719c813e51a93bd16570912a41f4b4f2caa04a13d