[INFO] cloning repository https://github.com/lromor/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lromor/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flromor%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flromor%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c789dda08a57e1a3292d42e2d63f2c4d631057d [INFO] testing lromor/rustlings against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flromor%2Frustlings" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lromor/rustlings on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lromor/rustlings [INFO] finished tweaking git repo https://github.com/lromor/rustlings [INFO] tweaked toml for git repo https://github.com/lromor/rustlings written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/lromor/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df42f7275a75ac8d0ffcf031d39c61c497f32e375a370655dc87830fd3212da4 [INFO] running `Command { std: "docker" "start" "-a" "df42f7275a75ac8d0ffcf031d39c61c497f32e375a370655dc87830fd3212da4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df42f7275a75ac8d0ffcf031d39c61c497f32e375a370655dc87830fd3212da4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df42f7275a75ac8d0ffcf031d39c61c497f32e375a370655dc87830fd3212da4", kill_on_drop: false }` [INFO] [stdout] df42f7275a75ac8d0ffcf031d39c61c497f32e375a370655dc87830fd3212da4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba3e3fc895dff52c2ddcf645b69c00d98577290e25d540e7560b4e0752cb2f1d [INFO] running `Command { std: "docker" "start" "-a" "ba3e3fc895dff52c2ddcf645b69c00d98577290e25d540e7560b4e0752cb2f1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling notify v4.0.12 [INFO] [stderr] Compiling console v0.7.5 [INFO] [stderr] Compiling console v0.6.2 [INFO] [stderr] Compiling indicatif v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v1.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.90s [INFO] running `Command { std: "docker" "inspect" "ba3e3fc895dff52c2ddcf645b69c00d98577290e25d540e7560b4e0752cb2f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba3e3fc895dff52c2ddcf645b69c00d98577290e25d540e7560b4e0752cb2f1d", kill_on_drop: false }` [INFO] [stdout] ba3e3fc895dff52c2ddcf645b69c00d98577290e25d540e7560b4e0752cb2f1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc932cf27d87666a3af458039f99f6ef8201745148938b76404b8489dbd73bc1 [INFO] running `Command { std: "docker" "start" "-a" "bc932cf27d87666a3af458039f99f6ef8201745148938b76404b8489dbd73bc1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v1.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.13s [INFO] running `Command { std: "docker" "inspect" "bc932cf27d87666a3af458039f99f6ef8201745148938b76404b8489dbd73bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc932cf27d87666a3af458039f99f6ef8201745148938b76404b8489dbd73bc1", kill_on_drop: false }` [INFO] [stdout] bc932cf27d87666a3af458039f99f6ef8201745148938b76404b8489dbd73bc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 887f185227f2cd40566cbde74fd40579591097942a2a32bfb18899551d2b0042 [INFO] running `Command { std: "docker" "start" "-a" "887f185227f2cd40566cbde74fd40579591097942a2a32bfb18899551d2b0042", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustlings-3e53bb88050e0f3d) [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] thread 'exercise::test::test_clean' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/exercise.rs:71:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f50b2cfe5c - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55f50b2cfe5c - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f50b2cfe5c - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55f50b2cfe5c - ::fmt::h3e2b509ce2ce6007 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55f50b2f583c - core::fmt::write::h753c7571fa063ecb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stdout] 5: 0x55f50b2cb0b3 - std::io::Write::write_fmt::hb649ab67f71b6655 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x55f50b2d2532 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55f50b2d2532 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55f50b2d2532 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55f50b2d2181 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55f50b2d2b83 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55f50b2d28a0 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55f50b2d0304 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55f50b2d25d9 - rust_begin_unwind [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55f50b276dc1 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stdout] 15: 0x55f50b276eb3 - core::result::unwrap_failed::ha0327e3803285d6e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5 [INFO] [stdout] 16: 0x55f50b2780fd - core::result::Result::unwrap::h04a60e50680160ef [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1018:23 [INFO] [stdout] 17: 0x55f50b277c33 - rustlings::exercise::test::test_clean::hd21151b796154dfc [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:71:9 [INFO] [stdout] 18: 0x55f50b277bea - rustlings::exercise::test::test_clean::{{closure}}::hf1b9344bb62e70a1 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:70:5 [INFO] [stdout] 19: 0x55f50b2778be - core::ops::function::FnOnce::call_once::h8f1a17e8a99a0cb2 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55f50b2a3a63 - core::ops::function::FnOnce::call_once::h1845a80638abc06e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55f50b2a3a63 - test::__rust_begin_short_backtrace::h4f56ccea01b9889f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x55f50b2a274f - as core::ops::function::FnOnce>::call_once::h5afedf14a39ffa74 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55f50b2a274f - as core::ops::function::FnOnce<()>>::call_once::hd5aaa1b551e9ce71 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55f50b2a274f - std::panicking::try::do_call::h316eebee63f96d32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55f50b2a274f - std::panicking::try::h662e31e84dd7ce52 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55f50b2a274f - std::panic::catch_unwind::h129c1b23f076663f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55f50b2a274f - test::run_test_in_process::h51d800d572f878ef [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x55f50b2a274f - test::run_test::run_test_inner::{{closure}}::h71a47db430260854 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x55f50b2abb11 - test::run_test::run_test_inner::{{closure}}::h02edd5b3e2dab52a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x55f50b2abb11 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0838cfc8b0e995ec [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55f50b27859f - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4c2725d7078043cd [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:477:17 [INFO] [stdout] 32: 0x55f50b27859f - as core::ops::function::FnOnce<()>>::call_once::hdf1aa612eed87270 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55f50b27859f - std::panicking::try::do_call::hc72f8de3706d18d6 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55f50b27859f - std::panicking::try::h63f01f54dbd0fb87 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55f50b27859f - std::panic::catch_unwind::h58bc464ae9b26453 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55f50b27859f - std::thread::Builder::spawn_unchecked::{{closure}}::h6c065e19513e33e3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:476:30 [INFO] [stdout] 37: 0x55f50b27859f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd143450c74f35c32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55f50b2d87f3 - as core::ops::function::FnOnce>::call_once::h49b6c7c5155a2296 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55f50b2d87f3 - as core::ops::function::FnOnce>::call_once::ha8b5234bfeb15105 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55f50b2d87f3 - std::sys::unix::thread::Thread::new::thread_start::h6f207dd842d64859 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fb100372609 - start_thread [INFO] [stdout] 42: 0x7fb1004c9293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "887f185227f2cd40566cbde74fd40579591097942a2a32bfb18899551d2b0042", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "887f185227f2cd40566cbde74fd40579591097942a2a32bfb18899551d2b0042", kill_on_drop: false }` [INFO] [stdout] 887f185227f2cd40566cbde74fd40579591097942a2a32bfb18899551d2b0042