[INFO] crate threadgroup 0.1.0 is already in cache [INFO] testing threadgroup-0.1.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate threadgroup 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate threadgroup 0.1.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-07-24" "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] 054ce3874ff1f4fb568c894ea07f0e2fa0689748edbb61a74917671019a16e81 [INFO] running `Command { std: "docker" "start" "-a" "054ce3874ff1f4fb568c894ea07f0e2fa0689748edbb61a74917671019a16e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "054ce3874ff1f4fb568c894ea07f0e2fa0689748edbb61a74917671019a16e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "054ce3874ff1f4fb568c894ea07f0e2fa0689748edbb61a74917671019a16e81", kill_on_drop: false }` [INFO] [stdout] 054ce3874ff1f4fb568c894ea07f0e2fa0689748edbb61a74917671019a16e81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78d8b37e6b36a37e8315446eaf9b9ea051dac5d586cc899b42b975bab58fe0d6 [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" "78d8b37e6b36a37e8315446eaf9b9ea051dac5d586cc899b42b975bab58fe0d6", kill_on_drop: false }` [INFO] [stderr] Compiling threadgroup v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "78d8b37e6b36a37e8315446eaf9b9ea051dac5d586cc899b42b975bab58fe0d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78d8b37e6b36a37e8315446eaf9b9ea051dac5d586cc899b42b975bab58fe0d6", kill_on_drop: false }` [INFO] [stdout] 78d8b37e6b36a37e8315446eaf9b9ea051dac5d586cc899b42b975bab58fe0d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f516718ccbc011ca93f2f52618f732927930e22859747da57ac5db94f3b7fdbb [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" "f516718ccbc011ca93f2f52618f732927930e22859747da57ac5db94f3b7fdbb", kill_on_drop: false }` [INFO] [stderr] Compiling threadgroup v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `Command { std: "docker" "inspect" "f516718ccbc011ca93f2f52618f732927930e22859747da57ac5db94f3b7fdbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f516718ccbc011ca93f2f52618f732927930e22859747da57ac5db94f3b7fdbb", kill_on_drop: false }` [INFO] [stdout] f516718ccbc011ca93f2f52618f732927930e22859747da57ac5db94f3b7fdbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-07-24" "test" "--frozen", 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] 348a33fdcbc7483ebba498cc8e8b5f101b825d2ae1d5403a97490505d0c434c0 [INFO] running `Command { std: "docker" "start" "-a" "348a33fdcbc7483ebba498cc8e8b5f101b825d2ae1d5403a97490505d0c434c0", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/threadgroup-33c6dce4cde9092e [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: 0x55a6f7751645 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55a6f7751645 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a6f7751645 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55a6f7751645 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55a6f777933c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55a6f774df32 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55a6f7753da0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55a6f7753da0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55a6f7753da0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55a6f7753aec - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55a6f77543e3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55a6f76f4795 - std::panicking::begin_panic::hca6ce5142b69f1e0 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55a6f7702552 - threadgroup::tests::panic_join::{{closure}}::hd0ecf9be793697bf [INFO] [stderr] at src/lib.rs:237 [INFO] [stderr] 13: 0x55a6f77046f8 - threadgroup::ThreadGroup::spawn::{{closure}}::heb809f4a8d512683 [INFO] [stderr] at src/lib.rs:116 [INFO] [stderr] 14: 0x55a6f76fcf73 - std::sys_common::backtrace::__rust_begin_short_backtrace::hbcaee6d055451df3 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 15: 0x55a6f76e44d3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h0c96e6747fa9f49a [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stderr] 16: 0x55a6f76e9293 - as core::ops::function::FnOnce<()>>::call_once::h776c5608a86a8ca8 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stderr] 17: 0x55a6f76f5026 - std::panicking::try::do_call::h187934e3298bcd8a [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stderr] 18: 0x55a6f76f689d - __rust_try [INFO] [stderr] 19: 0x55a6f76f4aa0 - std::panicking::try::h7a6fcd313119dccf [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x55a6f76e96fa - std::panic::catch_unwind::hba160f84223db5c6 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55a6f76e3cf7 - std::thread::Builder::spawn_unchecked::{{closure}}::h8542d5e59341b707 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stderr] 22: 0x55a6f76ff05e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h5e27c092d167a416 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stderr] 23: 0x55a6f775a5aa - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 24: 0x55a6f775a5aa - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 25: 0x55a6f775a5aa - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 26: 0x7f47d0626609 - start_thread [INFO] [stderr] 27: 0x7f47d0532103 - __clone [INFO] [stderr] 28: 0x0 - [INFO] [stdout] test tests::panic_join ... ok [INFO] [stderr] Doc-tests threadgroup [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] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - ThreadGroup::new (line 81) ... 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 - ThreadGroup::join (line 139) ... 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:19:43 [INFO] [stdout] 0: 0x56104123eb65 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x56104123eb65 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56104123eb65 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x56104123eb65 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56104125c7cc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x56104123cdd2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x5610412411c0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5610412411c0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5610412411c0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x561041240f0c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x561041241803 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x56104122f6f9 - std::panicking::begin_panic::h4986f74669ff07c8 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stdout] 12: 0x56104122bc36 - rust_out::main::{{closure}}::h4ac5a0c97e701491 [INFO] [stdout] 13: 0x561041219bf8 - threadgroup::ThreadGroup::spawn::{{closure}}::haebd4939d21b89d5 [INFO] [stdout] 14: 0x56104121a046 - std::sys_common::backtrace::__rust_begin_short_backtrace::h208252890f8e32cc [INFO] [stdout] 15: 0x561041223036 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd02170d0e8a84e91 [INFO] [stdout] 16: 0x5610412192a9 - as core::ops::function::FnOnce<()>>::call_once::he5015b36c9c902e8 [INFO] [stdout] 17: 0x56104122369d - std::panicking::try::do_call::he887c42a245065fe [INFO] [stdout] 18: 0x56104122bcdd - __rust_try [INFO] [stdout] 19: 0x56104122336e - std::panicking::try::hdb23abf9e94bbe9d [INFO] [stdout] 20: 0x561041220a5d - std::panic::catch_unwind::hd01aa148155e3666 [INFO] [stdout] 21: 0x561041222861 - std::thread::Builder::spawn_unchecked::{{closure}}::h492a20b089dd179a [INFO] [stdout] 22: 0x561041224436 - core::ops::function::FnOnce::call_once{{vtable.shim}}::had65dc57963c8425 [INFO] [stdout] 23: 0x561041242d5a - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 24: 0x561041242d5a - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 25: 0x561041242d5a - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 26: 0x7f086e883609 - start_thread [INFO] [stdout] 27: 0x7f086e78f103 - __clone [INFO] [stdout] 28: 0x0 - [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56104123eb65 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x56104123eb65 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56104123eb65 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x56104123eb65 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56104125c7cc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x56104123cdd2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x5610412411c0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5610412411c0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5610412411c0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x561041240f0c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x561041241803 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x5610412413fb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x56104125bbd1 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x56104125b9f3 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x56104122746a - core::result::Result::unwrap_err::h3e316190635e6c4e [INFO] [stdout] 15: 0x56104122b5a5 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 16: 0x56104121a0d3 - std::rt::lang_start::{{closure}}::ha8395b9615e12984 [INFO] [stdout] 17: 0x561041241bd3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x561041241bd3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 19: 0x561041241bd3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 20: 0x561041241bd3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561041241bd3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x56104121a0b8 - std::rt::lang_start::hf91fc87199e1c84e [INFO] [stdout] 23: 0x56104122bd2b - main [INFO] [stdout] 24: 0x7f086e6940b3 - __libc_start_main [INFO] [stdout] 25: 0x56104121917e - _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" "348a33fdcbc7483ebba498cc8e8b5f101b825d2ae1d5403a97490505d0c434c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "348a33fdcbc7483ebba498cc8e8b5f101b825d2ae1d5403a97490505d0c434c0", kill_on_drop: false }` [INFO] [stdout] 348a33fdcbc7483ebba498cc8e8b5f101b825d2ae1d5403a97490505d0c434c0