[INFO] cloning repository https://github.com/RXDA/rust_learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RXDA/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d28e3904cae009467a6384fcc59a81558297be0 [INFO] testing RXDA/rust_learn against 1.64.0 for beta-1.65-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RXDA/rust_learn on toolchain 1.64.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RXDA/rust_learn [INFO] finished tweaking git repo https://github.com/RXDA/rust_learn [INFO] tweaked toml for git repo https://github.com/RXDA/rust_learn written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/RXDA/rust_learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f87729adb274c3fbd4df5a6c5bab3bb42655fa3ffeb3a8c2b896937be7c004c4 [INFO] running `Command { std: "docker" "start" "-a" "f87729adb274c3fbd4df5a6c5bab3bb42655fa3ffeb3a8c2b896937be7c004c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f87729adb274c3fbd4df5a6c5bab3bb42655fa3ffeb3a8c2b896937be7c004c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f87729adb274c3fbd4df5a6c5bab3bb42655fa3ffeb3a8c2b896937be7c004c4", kill_on_drop: false }` [INFO] [stdout] f87729adb274c3fbd4df5a6c5bab3bb42655fa3ffeb3a8c2b896937be7c004c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67b2a92108c286989e9d7b5dd407d14b1670d4a104bdab39e296f01059228468 [INFO] running `Command { std: "docker" "start" "-a" "67b2a92108c286989e9d7b5dd407d14b1670d4a104bdab39e296f01059228468", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 semver-parser v0.7.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling semver v0.9.0 [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 rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [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 termios v0.3.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling inotify v0.6.1 [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 v1.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.27s [INFO] running `Command { std: "docker" "inspect" "67b2a92108c286989e9d7b5dd407d14b1670d4a104bdab39e296f01059228468", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67b2a92108c286989e9d7b5dd407d14b1670d4a104bdab39e296f01059228468", kill_on_drop: false }` [INFO] [stdout] 67b2a92108c286989e9d7b5dd407d14b1670d4a104bdab39e296f01059228468 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83afa68c387031cd33ad26673358e3a978854ab8f94ca4ccd41c09d101eeecdf [INFO] running `Command { std: "docker" "start" "-a" "83afa68c387031cd33ad26673358e3a978854ab8f94ca4ccd41c09d101eeecdf", kill_on_drop: false }` [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 v1.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "83afa68c387031cd33ad26673358e3a978854ab8f94ca4ccd41c09d101eeecdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83afa68c387031cd33ad26673358e3a978854ab8f94ca4ccd41c09d101eeecdf", kill_on_drop: false }` [INFO] [stdout] 83afa68c387031cd33ad26673358e3a978854ab8f94ca4ccd41c09d101eeecdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6a529dcd0e7fef639791d50aec0fd27c88d4bd073fb80318f187b40bd63fe9a1 [INFO] running `Command { std: "docker" "start" "-a" "6a529dcd0e7fef639791d50aec0fd27c88d4bd073fb80318f187b40bd63fe9a1", 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.36s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-8c6c1deadab4e369) [INFO] [stdout] [INFO] [stdout] running 1 test [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: 0x5644445e228d - std::backtrace_rs::backtrace::libunwind::trace::h9135f25bc195152c [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5644445e228d - std::backtrace_rs::backtrace::trace_unsynchronized::h015ee85be510df51 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5644445e228d - std::sys_common::backtrace::_print_fmt::h5fad03caa9652a2c [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x5644445e228d - ::fmt::h2b42ca28d244e5c7 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x56444460595c - core::fmt::write::h401e827d053130ed [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x5644445decd1 - std::io::Write::write_fmt::h1da442c9e1df41d6 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x5644445e3d55 - std::sys_common::backtrace::_print::h180c4c706ee1d3fb [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x5644445e3d55 - std::sys_common::backtrace::print::hd0c35d18765761c9 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x5644445e3d55 - std::panicking::default_hook::{{closure}}::h1f023310983bc730 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5644445e39f4 - std::panicking::default_hook::h188fec3334afd5be [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x5644445e42e6 - std::panicking::rust_panic_with_hook::hf26e9d4f97b40096 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x5644445e41d7 - std::panicking::begin_panic_handler::{{closure}}::hfab912107608087a [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x5644445e2784 - std::sys_common::backtrace::__rust_end_short_backtrace::h434b685ce8d9965b [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x5644445e3f09 - rust_begin_unwind [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x564444580353 - core::panicking::panic_fmt::ha6dc7f2ab2479463 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x564444580443 - core::result::unwrap_failed::h42ad8e915aa0a906 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/result.rs:1814:5 [INFO] [stdout] 16: 0x564444581340 - core::result::Result::unwrap::h716b5ded53b1aae8 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/result.rs:1107:23 [INFO] [stdout] 17: 0x564444580e29 - rustlings::exercise::test::test_clean::h7d44986b66ee456b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:71:9 [INFO] [stdout] 18: 0x564444580dba - rustlings::exercise::test::test_clean::{{closure}}::hee78a2e78e0943c1 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:70:5 [INFO] [stdout] 19: 0x564444580afe - core::ops::function::FnOnce::call_once::h844f5c1cc6de1b1f [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x5644445b6703 - core::ops::function::FnOnce::call_once::h2da14387562cd1a6 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x5644445b6703 - test::__rust_begin_short_backtrace::h307c198d88e9e51a [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x5644445b550a - as core::ops::function::FnOnce>::call_once::h42564b04a6d1df41 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/alloc/src/boxed.rs:1935:9 [INFO] [stdout] 23: 0x5644445b550a - as core::ops::function::FnOnce<()>>::call_once::h286b0e8427b9af31 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5644445b550a - std::panicking::try::do_call::h0b094c8aa8626e3b [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x5644445b550a - std::panicking::try::h253dd43de0385d2d [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x5644445b550a - std::panic::catch_unwind::h8a89f69958871bf1 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x5644445b550a - test::run_test_in_process::h79875496f9bc15c6 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x5644445b550a - test::run_test::run_test_inner::{{closure}}::hf979093fbdf02646 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x56444458173d - test::run_test::run_test_inner::{{closure}}::he01c2dd4903b57d1 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x56444458173d - std::sys_common::backtrace::__rust_begin_short_backtrace::hece2f1c514466a0a [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x5644445870a8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h658be5979f99b3a5 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/thread/mod.rs:505:17 [INFO] [stdout] 32: 0x5644445870a8 - as core::ops::function::FnOnce<()>>::call_once::h9dbd94372ee944af [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5644445870a8 - std::panicking::try::do_call::hff71896f3757c3b2 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x5644445870a8 - std::panicking::try::hbb4c2c2616b6a189 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x5644445870a8 - std::panic::catch_unwind::h72f47810ab7e379e [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x5644445870a8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6331fb85a785812c [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/thread/mod.rs:504:30 [INFO] [stdout] 37: 0x5644445870a8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h467656fda03180e5 [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x5644445e8be3 - as core::ops::function::FnOnce>::call_once::h56d5fc072706762b [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/alloc/src/boxed.rs:1935:9 [INFO] [stdout] 39: 0x5644445e8be3 - as core::ops::function::FnOnce>::call_once::h41deef8e33b824bb [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/alloc/src/boxed.rs:1935:9 [INFO] [stdout] 40: 0x5644445e8be3 - std::sys::unix::thread::Thread::new::thread_start::ha6436304a1170bba [INFO] [stdout] at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fd568bdd609 - start_thread [INFO] [stdout] 42: 0x7fd568d32133 - 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] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] running `Command { std: "docker" "inspect" "6a529dcd0e7fef639791d50aec0fd27c88d4bd073fb80318f187b40bd63fe9a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a529dcd0e7fef639791d50aec0fd27c88d4bd073fb80318f187b40bd63fe9a1", kill_on_drop: false }` [INFO] [stdout] 6a529dcd0e7fef639791d50aec0fd27c88d4bd073fb80318f187b40bd63fe9a1