[INFO] crate threadgroup 0.1.0 is already in cache [INFO] testing threadgroup-0.1.0 against 1.45.2 for beta-1.46-1 [INFO] extracting crate threadgroup 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate threadgroup 0.1.0 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 threadgroup 0.1.0 [INFO] finished tweaking crates.io crate threadgroup 0.1.0 [INFO] tweaked toml for crates.io crate threadgroup 0.1.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 22a24a2e093174b2f106bffd7cf0db4d24a7c2c3ae6c1f1dd70d148acd8bf2e7 [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" "22a24a2e093174b2f106bffd7cf0db4d24a7c2c3ae6c1f1dd70d148acd8bf2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22a24a2e093174b2f106bffd7cf0db4d24a7c2c3ae6c1f1dd70d148acd8bf2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22a24a2e093174b2f106bffd7cf0db4d24a7c2c3ae6c1f1dd70d148acd8bf2e7", kill_on_drop: false }` [INFO] [stdout] 22a24a2e093174b2f106bffd7cf0db4d24a7c2c3ae6c1f1dd70d148acd8bf2e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d90fe1609c7c24ebe4635cf7762a278d2ee650cc1faa5012d8d66e464d167fbe [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" "d90fe1609c7c24ebe4635cf7762a278d2ee650cc1faa5012d8d66e464d167fbe", kill_on_drop: false }` [INFO] [stderr] Compiling threadgroup v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "d90fe1609c7c24ebe4635cf7762a278d2ee650cc1faa5012d8d66e464d167fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d90fe1609c7c24ebe4635cf7762a278d2ee650cc1faa5012d8d66e464d167fbe", kill_on_drop: false }` [INFO] [stdout] d90fe1609c7c24ebe4635cf7762a278d2ee650cc1faa5012d8d66e464d167fbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7f083e57e73180b194bdc589fea97ceb92f533136ad9573569142dafc6a6865e [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" "7f083e57e73180b194bdc589fea97ceb92f533136ad9573569142dafc6a6865e", kill_on_drop: false }` [INFO] [stderr] Compiling threadgroup v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "7f083e57e73180b194bdc589fea97ceb92f533136ad9573569142dafc6a6865e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f083e57e73180b194bdc589fea97ceb92f533136ad9573569142dafc6a6865e", kill_on_drop: false }` [INFO] [stdout] 7f083e57e73180b194bdc589fea97ceb92f533136ad9573569142dafc6a6865e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0d6f1b299b63c7aced56d70fcc0577c6e92942957c65d10e0d045b5c3aedb57f [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" "0d6f1b299b63c7aced56d70fcc0577c6e92942957c65d10e0d045b5c3aedb57f", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/threadgroup-e25993d8b61d1464 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::empty_group ... ok [INFO] [stderr] thread '' panicked at 'explicit panic', src/lib.rs:237:63 [INFO] [stdout] test tests::basic_join ... ok [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5598cfc6bd05 - 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: 0x5598cfc6bd05 - 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: 0x5598cfc6bd05 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5598cfc6bd05 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5598cfc93bec - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5598cfc68613 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5598cfc6e530 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5598cfc6e530 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5598cfc6e530 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5598cfc6e27c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5598cfc6eb67 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x5598cfc0fdf5 - std::panicking::begin_panic::h2f0c27e519fd8bde [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:410 [INFO] [stderr] 12: 0x5598cfc1c192 - threadgroup::tests::panic_join::{{closure}}::h2ca773536b13b371 [INFO] [stderr] at src/lib.rs:237 [INFO] [stderr] 13: 0x5598cfc1e638 - threadgroup::ThreadGroup::spawn::{{closure}}::h98a60dd1039745d7 [INFO] [stderr] at src/lib.rs:116 [INFO] [stderr] 14: 0x5598cfc18943 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc875fd8777912a9 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 15: 0x5598cfbfe573 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8988b7e000564003 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:475 [INFO] [stderr] 16: 0x5598cfc02f23 - as core::ops::function::FnOnce<()>>::call_once::h812d72334a5f924d [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:318 [INFO] [stderr] 17: 0x5598cfc10686 - std::panicking::try::do_call::h3f418319f243816a [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:297 [INFO] [stderr] 18: 0x5598cfc11f2d - __rust_try [INFO] [stderr] 19: 0x5598cfc0fee0 - std::panicking::try::h050bfc628bdd3248 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x5598cfc032fa - std::panic::catch_unwind::hb97e6afced743c40 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5598cfbfd0f7 - std::thread::Builder::spawn_unchecked::{{closure}}::h466dfa38d7bc17db [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/thread/mod.rs:474 [INFO] [stderr] 22: 0x5598cfc0a17e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h573708cd57963f34 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/ops/function.rs:232 [INFO] [stderr] 23: 0x5598cfc74e3a - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 24: 0x5598cfc74e3a - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 25: 0x5598cfc74e3a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 26: 0x7f0067db5609 - start_thread [INFO] [stderr] 27: 0x7f0067cc1103 - __clone [INFO] [stderr] 28: 0x0 - [INFO] [stdout] test tests::panic_join ... ok [INFO] [stdout] test tests::timeout_join ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests threadgroup [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - ThreadGroup::new (line 81) ... ok [INFO] [stdout] test src/lib.rs - ThreadGroup::join (line 139) ... ok [INFO] [stdout] test src/lib.rs - ThreadGroup::spawn (line 95) ... ok [INFO] [stdout] test src/lib.rs - ThreadGroup::join_timeout (line 165) ... ok [INFO] [stdout] test src/lib.rs - (line 8) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 8) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread '' panicked at 'explicit panic', src/lib.rs:13:55 [INFO] [stdout] stack backtrace: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap_err()` on an `Ok` value: 2', src/lib.rs:19:33 [INFO] [stdout] 0: 0x55a40ff78b85 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55a40ff78b85 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a40ff78b85 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55a40ff78b85 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55a40ff969ac - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55a40ff76e93 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55a40ff7b2b0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55a40ff7b2b0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55a40ff7b2b0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55a40ff7affc - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x55a40ff7b8e7 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x55a40ff69759 - std::panicking::begin_panic::hb40838a30c48545d [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/panicking.rs:410 [INFO] [stdout] 12: 0x55a40ff65bd6 - rust_out::main::{{closure}}::hdc26c10751d04f82 [INFO] [stdout] 13: 0x55a40ff53b38 - threadgroup::ThreadGroup::spawn::{{closure}}::h35330546c5347159 [INFO] [stdout] 14: 0x55a40ff54036 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcfe57c8664aae892 [INFO] [stdout] 15: 0x55a40ff5cef6 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8cde89db5faf918f [INFO] [stdout] 16: 0x55a40ff53289 - as core::ops::function::FnOnce<()>>::call_once::hc6a1818c6704d359 [INFO] [stdout] 17: 0x55a40ff5d47d - std::panicking::try::do_call::h08442328fa6fcdc9 [INFO] [stdout] 18: 0x55a40ff65c7d - __rust_try [INFO] [stdout] 19: 0x55a40ff5d2be - std::panicking::try::hca1dddf57308cd5b [INFO] [stdout] 20: 0x55a40ff5a92d - std::panic::catch_unwind::h6d7acd8c40269608 [INFO] [stdout] 21: 0x55a40ff5c441 - std::thread::Builder::spawn_unchecked::{{closure}}::h082c93b86f2cc3ff [INFO] [stdout] 22: 0x55a40ff5e266 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h594dea8621513f21 [INFO] [stdout] 23: 0x55a40ff7cf3a - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 24: 0x55a40ff7cf3a - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stdout] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stdout] 25: 0x55a40ff7cf3a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 26: 0x7f11735aa609 - start_thread [INFO] [stdout] 27: 0x7f11734b6103 - __clone [INFO] [stdout] 28: 0x0 - [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a40ff78b85 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55a40ff78b85 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a40ff78b85 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55a40ff78b85 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55a40ff969ac - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55a40ff76e93 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55a40ff7b2b0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55a40ff7b2b0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55a40ff7b2b0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55a40ff7affc - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x55a40ff7b8e7 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x55a40ff7b4eb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x55a40ff95db1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 13: 0x55a40ff95bd3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 14: 0x55a40ff613aa - core::result::Result::unwrap_err::hde933565a500c44b [INFO] [stdout] 15: 0x55a40ff65545 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x55a40ff540b3 - std::rt::lang_start::{{closure}}::hce2334a302f4a64d [INFO] [stdout] 17: 0x55a40ff7bcb8 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x55a40ff7bcb8 - std::panicking::try::do_call::hb2bfa58b743656f1 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x55a40ff7bcb8 - std::panicking::try::haaa85a89ce3784c3 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x55a40ff7bcb8 - std::panic::catch_unwind::h49baa277f74e60cb [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55a40ff7bcb8 - std::rt::lang_start_internal::h7aa2f6739b31fe58 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x55a40ff54098 - std::rt::lang_start::h67316abdc649cab9 [INFO] [stdout] 23: 0x55a40ff65ccb - main [INFO] [stdout] 24: 0x7f11733bb0b3 - __libc_start_main [INFO] [stdout] 25: 0x55a40ff5317e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 8) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "0d6f1b299b63c7aced56d70fcc0577c6e92942957c65d10e0d045b5c3aedb57f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d6f1b299b63c7aced56d70fcc0577c6e92942957c65d10e0d045b5c3aedb57f", kill_on_drop: false }` [INFO] [stdout] 0d6f1b299b63c7aced56d70fcc0577c6e92942957c65d10e0d045b5c3aedb57f