[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 master#c5842b0be783dffa5a49693541acb79115c7eeef for pr-102570 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRXDA%2Frust_learn" "/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/RXDA/rust_learn on toolchain c5842b0be783dffa5a49693541acb79115c7eeef [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "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-3/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" "+c5842b0be783dffa5a49693541acb79115c7eeef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded notify v4.0.12 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded filetime v0.2.5 [INFO] [stderr] Downloaded console v0.7.5 [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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b3ce5cecae1886ec7bf357f224e73c1317d47efae10965136c394a0105b99a6 [INFO] running `Command { std: "docker" "start" "-a" "2b3ce5cecae1886ec7bf357f224e73c1317d47efae10965136c394a0105b99a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b3ce5cecae1886ec7bf357f224e73c1317d47efae10965136c394a0105b99a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3ce5cecae1886ec7bf357f224e73c1317d47efae10965136c394a0105b99a6", kill_on_drop: false }` [INFO] [stdout] 2b3ce5cecae1886ec7bf357f224e73c1317d47efae10965136c394a0105b99a6 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa0294426a060a998e9377c9ca5d9d41d06c0bd339091ad66f647a0892b30a4e [INFO] running `Command { std: "docker" "start" "-a" "aa0294426a060a998e9377c9ca5d9d41d06c0bd339091ad66f647a0892b30a4e", 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 semver-parser v0.7.0 [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 ucd-util v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [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 regex-syntax v0.6.6 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] 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v1.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.90s [INFO] running `Command { std: "docker" "inspect" "aa0294426a060a998e9377c9ca5d9d41d06c0bd339091ad66f647a0892b30a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa0294426a060a998e9377c9ca5d9d41d06c0bd339091ad66f647a0892b30a4e", kill_on_drop: false }` [INFO] [stdout] aa0294426a060a998e9377c9ca5d9d41d06c0bd339091ad66f647a0892b30a4e [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a4c8b973eb4e8963c5eccd813c2ee10a521d91cd02149980577898e3c64b0c8 [INFO] running `Command { std: "docker" "start" "-a" "5a4c8b973eb4e8963c5eccd813c2ee10a521d91cd02149980577898e3c64b0c8", 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 difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [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 6.77s [INFO] running `Command { std: "docker" "inspect" "5a4c8b973eb4e8963c5eccd813c2ee10a521d91cd02149980577898e3c64b0c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a4c8b973eb4e8963c5eccd813c2ee10a521d91cd02149980577898e3c64b0c8", kill_on_drop: false }` [INFO] [stdout] 5a4c8b973eb4e8963c5eccd813c2ee10a521d91cd02149980577898e3c64b0c8 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9e5a07fd38e0e85f611c43726cb35d7bd8243e749e5a27a07c057a540cfe92ad [INFO] running `Command { std: "docker" "start" "-a" "9e5a07fd38e0e85f611c43726cb35d7bd8243e749e5a27a07c057a540cfe92ad", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-15f60ba33e0eb648) [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: 0x5622c3b7ec00 - std::backtrace_rs::backtrace::libunwind::trace::he04b6d40112d6639 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5622c3b7ec00 - std::backtrace_rs::backtrace::trace_unsynchronized::h93bb5736cc0446d6 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5622c3b7ec00 - std::sys_common::backtrace::_print_fmt::h194608c93e335f88 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x5622c3b7ec00 - ::fmt::hcd25e852ea89b4f5 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x5622c3ba228e - core::fmt::write::h5fe0ed2793f92a83 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/fmt/mod.rs:1209:17 [INFO] [stdout] 5: 0x5622c3b7b7a5 - std::io::Write::write_fmt::h3774d34429f36763 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/io/mod.rs:1682:15 [INFO] [stdout] 6: 0x5622c3b7e9c5 - std::sys_common::backtrace::_print::h137275aa061b9520 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 7: 0x5622c3b7e9c5 - std::sys_common::backtrace::print::h0abc92ad99a2e9ea [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 8: 0x5622c3b8083f - std::panicking::default_hook::{{closure}}::had7442d4100942fb [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:267:22 [INFO] [stdout] 9: 0x5622c3b804fe - std::panicking::default_hook::he29a4b4ac8c0db9a [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:283:9 [INFO] [stdout] 10: 0x5622c3b4ec97 - as core::ops::function::Fn>::call::h91b99717c0adaf29 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/alloc/src/boxed.rs:2032:9 [INFO] [stdout] 11: 0x5622c3b4ec97 - test::test_main::{{closure}}::h70ceb3143bf6e9f2 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x5622c3b80f5d - as core::ops::function::Fn>::call::h12d6a9e51a6fcc61 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/alloc/src/boxed.rs:2032:9 [INFO] [stdout] 13: 0x5622c3b80f5d - std::panicking::rust_panic_with_hook::hb248569adc7e19ef [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:692:13 [INFO] [stdout] 14: 0x5622c3b80cd7 - std::panicking::begin_panic_handler::{{closure}}::h8fbe136907bbc5ab [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:579:13 [INFO] [stdout] 15: 0x5622c3b7f0ac - std::sys_common::backtrace::__rust_end_short_backtrace::hb7948ddc456dafc4 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys_common/backtrace.rs:137:18 [INFO] [stdout] 16: 0x5622c3b809f2 - rust_begin_unwind [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:575:5 [INFO] [stdout] 17: 0x5622c3b1e7b3 - core::panicking::panic_fmt::h1c2fe0c2fa8ba0a1 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/panicking.rs:65:14 [INFO] [stdout] 18: 0x5622c3b1ea13 - core::result::unwrap_failed::h626970e2865c5d28 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/result.rs:1791:5 [INFO] [stdout] 19: 0x5622c3b1f10b - core::result::Result::unwrap::hc12739621e9cd0a6 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/result.rs:1113:23 [INFO] [stdout] 20: 0x5622c3b1f219 - rustlings::exercise::test::test_clean::hf35e6b3719d4d9f4 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:71:9 [INFO] [stdout] 21: 0x5622c3b1f1a7 - rustlings::exercise::test::test_clean::{{closure}}::hd349264e860a11b4 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:70:5 [INFO] [stdout] 22: 0x5622c3b1f035 - core::ops::function::FnOnce::call_once::hff254319b1f96ba5 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/ops/function.rs:510:5 [INFO] [stdout] 23: 0x5622c3b53f9f - core::ops::function::FnOnce::call_once::h5dde45172d790a9d [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/ops/function.rs:510:5 [INFO] [stdout] 24: 0x5622c3b53f9f - test::__rust_begin_short_backtrace::h78e3fbe0504ae84c [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x5622c3b2566c - test::run_test::{{closure}}::hecbec538c508056c [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/test/src/lib.rs:628:30 [INFO] [stdout] 26: 0x5622c3b2566c - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc84a1fb3f0e67ee4 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/ops/function.rs:510:5 [INFO] [stdout] 27: 0x5622c3b52fc8 - as core::ops::function::FnOnce>::call_once::h2deece96542e3e9a [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/alloc/src/boxed.rs:2000:9 [INFO] [stdout] 28: 0x5622c3b52fc8 - as core::ops::function::FnOnce<()>>::call_once::ha9befd17c806a3b0 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 29: 0x5622c3b52fc8 - std::panicking::try::do_call::h17336b94b336bff1 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:483:40 [INFO] [stdout] 30: 0x5622c3b52fc8 - std::panicking::try::h701ebc92939c4760 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:447:19 [INFO] [stdout] 31: 0x5622c3b52fc8 - std::panic::catch_unwind::h93b113531d625eab [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panic.rs:137:14 [INFO] [stdout] 32: 0x5622c3b52fc8 - test::run_test_in_process::h08e9f627920c2a2a [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/test/src/lib.rs:660:27 [INFO] [stdout] 33: 0x5622c3b52fc8 - test::run_test::run_test_inner::{{closure}}::h70b581814cc230ea [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/test/src/lib.rs:554:39 [INFO] [stdout] 34: 0x5622c3b1fce4 - test::run_test::run_test_inner::{{closure}}::h1acbf81bd02dba18 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/test/src/lib.rs:581:37 [INFO] [stdout] 35: 0x5622c3b1fce4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h59c80156bae07f63 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys_common/backtrace.rs:121:18 [INFO] [stdout] 36: 0x5622c3b25535 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h80e22f541b422f07 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/thread/mod.rs:551:17 [INFO] [stdout] 37: 0x5622c3b25535 - as core::ops::function::FnOnce<()>>::call_once::he3336d4cf440d04a [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 38: 0x5622c3b25535 - std::panicking::try::do_call::hd4403a300ceb7231 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:483:40 [INFO] [stdout] 39: 0x5622c3b25535 - std::panicking::try::h21b14e2ec444d3e6 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panicking.rs:447:19 [INFO] [stdout] 40: 0x5622c3b25535 - std::panic::catch_unwind::he2bb948f3383cd51 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/panic.rs:137:14 [INFO] [stdout] 41: 0x5622c3b25535 - std::thread::Builder::spawn_unchecked_::{{closure}}::h9093214177135071 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/thread/mod.rs:550:30 [INFO] [stdout] 42: 0x5622c3b25535 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbd75c44bc5dabf20 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/core/src/ops/function.rs:510:5 [INFO] [stdout] 43: 0x5622c3b85423 - as core::ops::function::FnOnce>::call_once::hdc09af53979ab66f [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/alloc/src/boxed.rs:2000:9 [INFO] [stdout] 44: 0x5622c3b85423 - as core::ops::function::FnOnce>::call_once::h5cef88e3fa63b616 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/alloc/src/boxed.rs:2000:9 [INFO] [stdout] 45: 0x5622c3b85423 - std::sys::unix::thread::Thread::new::thread_start::h7ae30531e3efd4f6 [INFO] [stdout] at /rustc/c5842b0be783dffa5a49693541acb79115c7eeef/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 46: 0x7f725360f609 - start_thread [INFO] [stdout] 47: 0x7f7253764133 - clone [INFO] [stdout] 48: 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" "9e5a07fd38e0e85f611c43726cb35d7bd8243e749e5a27a07c057a540cfe92ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e5a07fd38e0e85f611c43726cb35d7bd8243e749e5a27a07c057a540cfe92ad", kill_on_drop: false }` [INFO] [stdout] 9e5a07fd38e0e85f611c43726cb35d7bd8243e749e5a27a07c057a540cfe92ad