[INFO] cloning repository https://github.com/bobbynarvy/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bobbynarvy/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobbynarvy%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobbynarvy%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 365fea36fc113bf771ac2a6f16e60c919d14bd20 [INFO] testing bobbynarvy/rustlings against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobbynarvy%2Frustlings" "/workspace/builds/worker-35/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bobbynarvy/rustlings on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bobbynarvy/rustlings [INFO] finished tweaking git repo https://github.com/bobbynarvy/rustlings [INFO] tweaked toml for git repo https://github.com/bobbynarvy/rustlings written to /workspace/builds/worker-35/source/Cargo.toml [INFO] crate git repo https://github.com/bobbynarvy/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e7ea7efb5b6257032ceeb021e0d3c0d88bf8bdfa01b60d9bd4909ebb8c6c481 [INFO] running `Command { std: "docker" "start" "-a" "1e7ea7efb5b6257032ceeb021e0d3c0d88bf8bdfa01b60d9bd4909ebb8c6c481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e7ea7efb5b6257032ceeb021e0d3c0d88bf8bdfa01b60d9bd4909ebb8c6c481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e7ea7efb5b6257032ceeb021e0d3c0d88bf8bdfa01b60d9bd4909ebb8c6c481", kill_on_drop: false }` [INFO] [stdout] 1e7ea7efb5b6257032ceeb021e0d3c0d88bf8bdfa01b60d9bd4909ebb8c6c481 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2756edc476af3edc31d0723d4d9410d57e2ab1cf1b2277e74c161ac428d5ebd4 [INFO] running `Command { std: "docker" "start" "-a" "2756edc476af3edc31d0723d4d9410d57e2ab1cf1b2277e74c161ac428d5ebd4", 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 proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [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 semver v0.9.0 [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 num-traits v0.2.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.18 [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 net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.03s [INFO] running `Command { std: "docker" "inspect" "2756edc476af3edc31d0723d4d9410d57e2ab1cf1b2277e74c161ac428d5ebd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2756edc476af3edc31d0723d4d9410d57e2ab1cf1b2277e74c161ac428d5ebd4", kill_on_drop: false }` [INFO] [stdout] 2756edc476af3edc31d0723d4d9410d57e2ab1cf1b2277e74c161ac428d5ebd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0982275c177c79a69625eef69e12f4f43eaf2c19bb9ddc40168ab964f2450b7d [INFO] running `Command { std: "docker" "start" "-a" "0982275c177c79a69625eef69e12f4f43eaf2c19bb9ddc40168ab964f2450b7d", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling float-cmp v0.4.0 [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 v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.33s [INFO] running `Command { std: "docker" "inspect" "0982275c177c79a69625eef69e12f4f43eaf2c19bb9ddc40168ab964f2450b7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0982275c177c79a69625eef69e12f4f43eaf2c19bb9ddc40168ab964f2450b7d", kill_on_drop: false }` [INFO] [stdout] 0982275c177c79a69625eef69e12f4f43eaf2c19bb9ddc40168ab964f2450b7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9e8c6253538f67787fda39a1f841b6c52772059bdc996e52eb5fb6e8de94a8db [INFO] running `Command { std: "docker" "start" "-a" "9e8c6253538f67787fda39a1f841b6c52772059bdc996e52eb5fb6e8de94a8db", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustlings-68fe91361928a1d4) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [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:131:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563a0369bf8c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x563a0369bf8c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x563a0369bf8c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x563a0369bf8c - ::fmt::ha305a40dbc030444 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x563a036c152c - core::fmt::write::hadd15acf4d6ce273 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x563a03697878 - std::io::Write::write_fmt::h271050faa79d27d2 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x563a0369e257 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x563a0369e257 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x563a0369e257 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x563a0369df8b - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x563a0369e9aa - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x563a0369e697 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x563a0369c454 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x563a0369e3a9 - rust_begin_unwind [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x563a034ab673 - core::panicking::panic_fmt::hfb4b8460cd493e74 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x563a034ab763 - core::result::unwrap_failed::hf9b34e307f812de0 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x563a034af6c9 - core::result::Result::unwrap::h6d4fb49267ea205a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1065:23 [INFO] [stdout] 17: 0x563a034ade94 - rustlings::exercise::test::test_clean::h148f712eda8a3d12 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:131:9 [INFO] [stdout] 18: 0x563a034ade1a - rustlings::exercise::test::test_clean::{{closure}}::h8e93866e667697a5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:130:5 [INFO] [stdout] 19: 0x563a034af83e - core::ops::function::FnOnce::call_once::hdb09128236e05dfe [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x563a034dfbe3 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x563a034dfbe3 - test::__rust_begin_short_backtrace::h163f55298a15df9b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x563a034de911 - as core::ops::function::FnOnce>::call_once::hc911782b3cbc7ed5 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x563a034de911 - as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x563a034de911 - std::panicking::try::do_call::he60df4e3e832faff [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x563a034de911 - std::panicking::try::h2633cee89a0767f3 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x563a034de911 - std::panic::catch_unwind::h6e10f7b94ce38b1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x563a034de911 - test::run_test_in_process::h085ef39049c3b50b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x563a034de911 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x563a034e81f1 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x563a034e81f1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x563a034b494f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x563a034b494f - as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x563a034b494f - std::panicking::try::do_call::h5422165a88309c77 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x563a034b494f - std::panicking::try::h840a12b54e2c9f5d [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x563a034b494f - std::panic::catch_unwind::h85910e437c8da180 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x563a034b494f - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x563a034b494f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x563a036a46d3 - as core::ops::function::FnOnce>::call_once::h82a18723295373b7 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x563a036a46d3 - as core::ops::function::FnOnce>::call_once::h4b9b8634f7a2a5a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x563a036a46d3 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fe52446d609 - start_thread [INFO] [stdout] 42: 0x7fe5245c4293 - 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. 2 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" "9e8c6253538f67787fda39a1f841b6c52772059bdc996e52eb5fb6e8de94a8db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e8c6253538f67787fda39a1f841b6c52772059bdc996e52eb5fb6e8de94a8db", kill_on_drop: false }` [INFO] [stdout] 9e8c6253538f67787fda39a1f841b6c52772059bdc996e52eb5fb6e8de94a8db