[INFO] cloning repository https://github.com/dustypaws/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustypaws/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustypaws%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustypaws%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e90ead7139a895581d076144c867ca0fef7357fd [INFO] testing dustypaws/rustlings against master#d3515155216e98c23440ea92c3f49c6a0d7101fc for pr-113843 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustypaws%2Frustlings" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dustypaws/rustlings on toolchain d3515155216e98c23440ea92c3f49c6a0d7101fc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dustypaws/rustlings [INFO] finished tweaking git repo https://github.com/dustypaws/rustlings [INFO] tweaked toml for git repo https://github.com/dustypaws/rustlings written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dustypaws/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be530c7d630569423f2e5d682fa249ed7d490a13d616f21e02e3408f2d89e4df [INFO] running `Command { std: "docker" "start" "-a" "be530c7d630569423f2e5d682fa249ed7d490a13d616f21e02e3408f2d89e4df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be530c7d630569423f2e5d682fa249ed7d490a13d616f21e02e3408f2d89e4df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be530c7d630569423f2e5d682fa249ed7d490a13d616f21e02e3408f2d89e4df", kill_on_drop: false }` [INFO] [stdout] be530c7d630569423f2e5d682fa249ed7d490a13d616f21e02e3408f2d89e4df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68534f8a23af68174da8e323b44572d6d0ce3bd68fcf8aa51287a603f801e768 [INFO] running `Command { std: "docker" "start" "-a" "68534f8a23af68174da8e323b44572d6d0ce3bd68fcf8aa51287a603f801e768", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [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 log v0.4.6 [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 slab v0.4.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [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 strsim v0.8.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [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 net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling clicolors-control v0.2.0 [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 serde_derive v1.0.92 [INFO] [stderr] Compiling console v0.7.5 [INFO] [stderr] Compiling console v0.6.2 [INFO] [stderr] Compiling indicatif v0.9.0 [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 10.52s [INFO] running `Command { std: "docker" "inspect" "68534f8a23af68174da8e323b44572d6d0ce3bd68fcf8aa51287a603f801e768", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68534f8a23af68174da8e323b44572d6d0ce3bd68fcf8aa51287a603f801e768", kill_on_drop: false }` [INFO] [stdout] 68534f8a23af68174da8e323b44572d6d0ce3bd68fcf8aa51287a603f801e768 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81a701ccd61642335a3c4063b122d98bcb7d90466073d5bb3fa4d7518745f096 [INFO] running `Command { std: "docker" "start" "-a" "81a701ccd61642335a3c4063b122d98bcb7d90466073d5bb3fa4d7518745f096", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.0 [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 v1.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.41s [INFO] running `Command { std: "docker" "inspect" "81a701ccd61642335a3c4063b122d98bcb7d90466073d5bb3fa4d7518745f096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81a701ccd61642335a3c4063b122d98bcb7d90466073d5bb3fa4d7518745f096", kill_on_drop: false }` [INFO] [stdout] 81a701ccd61642335a3c4063b122d98bcb7d90466073d5bb3fa4d7518745f096 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4370b29a9acf9869a8e14191c757146738c85487d57cdd08f5011f6e2cc53994 [INFO] running `Command { std: "docker" "start" "-a" "4370b29a9acf9869a8e14191c757146738c85487d57cdd08f5011f6e2cc53994", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-194dbf449d237a6a) [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: 0x55e1e3743a71 - std::backtrace_rs::backtrace::libunwind::trace::h2703a10e9200794c [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55e1e3743a71 - std::backtrace_rs::backtrace::trace_unsynchronized::h4844f7d488b44dc0 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55e1e3743a71 - std::sys_common::backtrace::_print_fmt::hf45311442c372df0 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x55e1e3743a71 - ::fmt::h51751bf0e7490aba [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55e1e376da8c - core::fmt::rt::Argument::fmt::hd1fd9c2a99deb5d8 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55e1e376da8c - core::fmt::write::hbfbb2d31c1f0855c [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55e1e3740c4e - std::io::Write::write_fmt::hbc06e15dd07a341d [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55e1e3743885 - std::sys_common::backtrace::_print::hdbe3ddcbbe0168c0 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55e1e3743885 - std::sys_common::backtrace::print::hb26905a5b7786a7c [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55e1e37455a3 - std::panicking::default_hook::{{closure}}::h8ebb81b0f88d6f0c [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:269:22 [INFO] [stdout] 10: 0x55e1e3745240 - std::panicking::default_hook::h68ef778f73f0172f [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:285:9 [INFO] [stdout] 11: 0x55e1e3712847 - as core::ops::function::Fn>::call::hae2e49ca62e027a7 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x55e1e3712847 - test::test_main::{{closure}}::hfabcca8fcc567747 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/test/src/lib.rs:135:21 [INFO] [stdout] 13: 0x55e1e3745c9e - as core::ops::function::Fn>::call::h24d4a2aeda7029b9 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x55e1e3745c9e - std::panicking::rust_panic_with_hook::h802085966bb64488 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:709:13 [INFO] [stdout] 15: 0x55e1e3745a27 - std::panicking::begin_panic_handler::{{closure}}::h646997c92b8b8ce3 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:597:13 [INFO] [stdout] 16: 0x55e1e3743ed6 - std::sys_common::backtrace::__rust_end_short_backtrace::h00c2f9b1ae29e02d [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys_common/backtrace.rs:151:18 [INFO] [stdout] 17: 0x55e1e3745772 - rust_begin_unwind [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:593:5 [INFO] [stdout] 18: 0x55e1e36db533 - core::panicking::panic_fmt::hcb3f95bd29fc9a6f [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/panicking.rs:67:14 [INFO] [stdout] 19: 0x55e1e36db953 - core::result::unwrap_failed::h925ccb225247314d [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/result.rs:1651:5 [INFO] [stdout] 20: 0x55e1e36dc3cb - core::result::Result::unwrap::hfbb27ca7c5d11f8f [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/result.rs:1076:23 [INFO] [stdout] 21: 0x55e1e36dc861 - rustlings::exercise::test::test_clean::h5b1cf6285da9275b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:71:9 [INFO] [stdout] 22: 0x55e1e36dc7e7 - rustlings::exercise::test::test_clean::{{closure}}::h6a24dd7fd05d45f6 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:70:21 [INFO] [stdout] 23: 0x55e1e36dc2e5 - core::ops::function::FnOnce::call_once::h4131f9ea9995ab3e [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55e1e3717aef - core::ops::function::FnOnce::call_once::h0617ecab077fa701 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55e1e3717aef - test::__rust_begin_short_backtrace::h5a61b0d3b3858a9e [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x55e1e3716b22 - test::run_test_in_process::{{closure}}::h612e19f1fff74c0b [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x55e1e3716b22 - as core::ops::function::FnOnce<()>>::call_once::h9c274bf226b4b405 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x55e1e3716b22 - std::panicking::try::do_call::h2e1fe1d6dd44ae26 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:500:40 [INFO] [stdout] 29: 0x55e1e3716b22 - std::panicking::try::hd56cf97b42cd7225 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:464:19 [INFO] [stdout] 30: 0x55e1e3716b22 - std::panic::catch_unwind::h73b3fd42fc280662 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55e1e3716b22 - test::run_test_in_process::h89bc4bc707762a60 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x55e1e3716b22 - test::run_test::{{closure}}::hbb9d716625919f12 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x55e1e36dd984 - test::run_test::{{closure}}::h6b8e0276183b66a8 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x55e1e36dd984 - std::sys_common::backtrace::__rust_begin_short_backtrace::hedd230a3e26fe7ae [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys_common/backtrace.rs:135:18 [INFO] [stdout] 35: 0x55e1e36e365b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4db94156f406f673 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x55e1e36e365b - as core::ops::function::FnOnce<()>>::call_once::hbd354b464352c928 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x55e1e36e365b - std::panicking::try::do_call::ha2cf3b8f2d86484e [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:500:40 [INFO] [stdout] 38: 0x55e1e36e365b - std::panicking::try::h0f17c2aad7c9cec6 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panicking.rs:464:19 [INFO] [stdout] 39: 0x55e1e36e365b - std::panic::catch_unwind::hf1265b3f74892fe9 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55e1e36e365b - std::thread::Builder::spawn_unchecked_::{{closure}}::h34c179833b973108 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x55e1e36e365b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb7aff8ad36f3e68 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55e1e374a355 - as core::ops::function::FnOnce>::call_once::h97566ec5ca724d12 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x55e1e374a355 - as core::ops::function::FnOnce>::call_once::h8965e3547219fbf7 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x55e1e374a355 - std::sys::unix::thread::Thread::new::thread_start::hfb921fb13d012ef9 [INFO] [stdout] at /rustc/d3515155216e98c23440ea92c3f49c6a0d7101fc/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f6153d74b43 - [INFO] [stdout] 46: 0x7f6153e05bb4 - __clone [INFO] [stdout] 47: 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" "4370b29a9acf9869a8e14191c757146738c85487d57cdd08f5011f6e2cc53994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4370b29a9acf9869a8e14191c757146738c85487d57cdd08f5011f6e2cc53994", kill_on_drop: false }` [INFO] [stdout] 4370b29a9acf9869a8e14191c757146738c85487d57cdd08f5011f6e2cc53994