[INFO] cloning repository https://github.com/yuanotes/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuanotes/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanotes%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanotes%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70946b85e536e80e70ed9505cb650ca0a3a1fbb5 [INFO] testing yuanotes/rustlings against try#5a3d3b91048a0adf280e7a4e589c1dda6443f172 for pr-115235-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanotes%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yuanotes/rustlings on toolchain 5a3d3b91048a0adf280e7a4e589c1dda6443f172 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yuanotes/rustlings [INFO] finished tweaking git repo https://github.com/yuanotes/rustlings [INFO] tweaked toml for git repo https://github.com/yuanotes/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yuanotes/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" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74d3062c5b70897931975b2895c897b17f08e869a7d84d604f3c10a0789927ae [INFO] running `Command { std: "docker" "start" "-a" "74d3062c5b70897931975b2895c897b17f08e869a7d84d604f3c10a0789927ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74d3062c5b70897931975b2895c897b17f08e869a7d84d604f3c10a0789927ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74d3062c5b70897931975b2895c897b17f08e869a7d84d604f3c10a0789927ae", kill_on_drop: false }` [INFO] [stdout] 74d3062c5b70897931975b2895c897b17f08e869a7d84d604f3c10a0789927ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 548de154e50a5172e8c58dd46fc34b364dca59f04b42e1bc7c4d9b915e0fbe61 [INFO] running `Command { std: "docker" "start" "-a" "548de154e50a5172e8c58dd46fc34b364dca59f04b42e1bc7c4d9b915e0fbe61", 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 unicode-width v0.1.5 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v1.1.6 [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 bitflags v1.0.4 [INFO] [stderr] Compiling regex v0.2.11 [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 rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling serde v1.0.92 [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 slab v0.4.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [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 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 inotify-sys v0.1.3 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling clicolors-control v0.2.0 [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 v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.51s [INFO] running `Command { std: "docker" "inspect" "548de154e50a5172e8c58dd46fc34b364dca59f04b42e1bc7c4d9b915e0fbe61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "548de154e50a5172e8c58dd46fc34b364dca59f04b42e1bc7c4d9b915e0fbe61", kill_on_drop: false }` [INFO] [stdout] 548de154e50a5172e8c58dd46fc34b364dca59f04b42e1bc7c4d9b915e0fbe61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d6bc7ffc1f5700ad98dc1b354cb305267f1c6a23a36fa4f494e1aebc4276e9f [INFO] running `Command { std: "docker" "start" "-a" "0d6bc7ffc1f5700ad98dc1b354cb305267f1c6a23a36fa4f494e1aebc4276e9f", 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 v1.0.1 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.40s [INFO] running `Command { std: "docker" "inspect" "0d6bc7ffc1f5700ad98dc1b354cb305267f1c6a23a36fa4f494e1aebc4276e9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d6bc7ffc1f5700ad98dc1b354cb305267f1c6a23a36fa4f494e1aebc4276e9f", kill_on_drop: false }` [INFO] [stdout] 0d6bc7ffc1f5700ad98dc1b354cb305267f1c6a23a36fa4f494e1aebc4276e9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e561f580f88cf0a9ebb843ad656167b2e05d3a8e5c99db9b792ec3d67bb00ded [INFO] running `Command { std: "docker" "start" "-a" "e561f580f88cf0a9ebb843ad656167b2e05d3a8e5c99db9b792ec3d67bb00ded", 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-be66ebe07cce308a) [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 src/exercise.rs:71:36: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561670c7624c - std::backtrace_rs::backtrace::libunwind::trace::h1e94f51a70590b24 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x561670c7624c - std::backtrace_rs::backtrace::trace_unsynchronized::ha4b8601070a1cd51 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561670c7624c - std::sys_common::backtrace::_print_fmt::hbb566ca2fd60b76a [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x561670c7624c - ::fmt::hca47315a43d59c89 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x561670c9ff0c - core::fmt::rt::Argument::fmt::h291f645ad8573757 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x561670c9ff0c - core::fmt::write::h9b76cf5ceec3eda1 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x561670c732fe - std::io::Write::write_fmt::hbf1f0cf12dc92713 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x561670c76034 - std::sys_common::backtrace::_print::h53287555ce02ffe8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x561670c76034 - std::sys_common::backtrace::print::h4ce9b6d019078194 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x561670c77ffa - std::panicking::panic_hook_with_disk_dump::{{closure}}::h6345d620bf90f980 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x561670c77bbd - std::panicking::panic_hook_with_disk_dump::h881dcb47bef2b023 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:311:9 [INFO] [stdout] 11: 0x561670c4513c - as core::ops::function::Fn>::call::h0a9fbb794b941f9d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x561670c4513c - test::test_main::{{closure}}::h9db00ca471be4099 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x561670c78783 - as core::ops::function::Fn>::call::hc6a6af3e65f55d16 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x561670c78783 - std::panicking::rust_panic_with_hook::h4685f1313004386b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:757:13 [INFO] [stdout] 15: 0x561670c78501 - std::panicking::begin_panic_handler::{{closure}}::h540f1f43109c9ae2 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:631:13 [INFO] [stdout] 16: 0x561670c76776 - std::sys_common::backtrace::__rust_end_short_backtrace::h32246c56143d8eeb [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x561670c78242 - rust_begin_unwind [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:619:5 [INFO] [stdout] 18: 0x561670c0f5f5 - core::panicking::panic_fmt::h069b828d25155aac [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x561670c0fa93 - core::result::unwrap_failed::h1f617a1e73214eda [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x561670c103eb - core::result::Result::unwrap::had590b6c41e251ed [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x561670c108d1 - rustlings::exercise::test::test_clean::hbe8804a2e838b409 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:71:9 [INFO] [stdout] 22: 0x561670c10857 - rustlings::exercise::test::test_clean::{{closure}}::h99fc0de42411815c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:70:21 [INFO] [stdout] 23: 0x561670c102f6 - core::ops::function::FnOnce::call_once::h281aa4474341dd02 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x561670c4a29f - core::ops::function::FnOnce::call_once::h2aef34e6acc65029 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x561670c4a29f - test::__rust_begin_short_backtrace::hfdea76d6780e6510 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x561670c4925e - test::run_test_in_process::{{closure}}::h2860e94e5e07a47b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x561670c4925e - as core::ops::function::FnOnce<()>>::call_once::h6cf0a0c7d6d6447c [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x561670c4925e - std::panicking::try::do_call::hc4a61e82bc0c67ba [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:526:40 [INFO] [stdout] 29: 0x561670c4925e - std::panicking::try::h05e3a2daf0b965e4 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:490:19 [INFO] [stdout] 30: 0x561670c4925e - std::panic::catch_unwind::h4659759e5053bebb [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x561670c4925e - test::run_test_in_process::h027c8b5c20644114 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x561670c4925e - test::run_test::{{closure}}::he552487161f9859d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x561670c11b13 - test::run_test::{{closure}}::ha2969e01b809050f [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x561670c11b13 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc13bcbe13128fc87 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x561670c16c0b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h66e44e016f7cf64d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x561670c16c0b - as core::ops::function::FnOnce<()>>::call_once::h25d58404e55a13ae [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x561670c16c0b - std::panicking::try::do_call::h5352b694c9bdaf04 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:526:40 [INFO] [stdout] 38: 0x561670c16c0b - std::panicking::try::h6acca093cdb15f30 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:490:19 [INFO] [stdout] 39: 0x561670c16c0b - std::panic::catch_unwind::h5a91529e832b53b8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x561670c16c0b - std::thread::Builder::spawn_unchecked_::{{closure}}::h8a2abb668a393745 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x561670c16c0b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3b1470c73a7ade89 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x561670c7ce45 - as core::ops::function::FnOnce>::call_once::h1a6a2d2ed8a57b6b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x561670c7ce45 - as core::ops::function::FnOnce>::call_once::h03ce391955487b79 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x561670c7ce45 - std::sys::unix::thread::Thread::new::thread_start::hbba6566cc475cfee [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f3c16612b43 - [INFO] [stdout] 46: 0x7f3c166a3bb4 - __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" "e561f580f88cf0a9ebb843ad656167b2e05d3a8e5c99db9b792ec3d67bb00ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e561f580f88cf0a9ebb843ad656167b2e05d3a8e5c99db9b792ec3d67bb00ded", kill_on_drop: false }` [INFO] [stdout] e561f580f88cf0a9ebb843ad656167b2e05d3a8e5c99db9b792ec3d67bb00ded