[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-schwartx", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-schwartx'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bbbfd529ef91e6ff703819ad15436b745ea2e94e [INFO] testing LearningOS/rust-rustlings-2023-autumn-schwartx against beta-2025-04-13 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-schwartx" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx on toolchain beta-2025-04-13 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-schwartx 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" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5aef14ca390a553c23e4844c3c23034f604656b245dca64243756caabb6e393b [INFO] running `Command { std: "docker" "start" "-a" "5aef14ca390a553c23e4844c3c23034f604656b245dca64243756caabb6e393b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5aef14ca390a553c23e4844c3c23034f604656b245dca64243756caabb6e393b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aef14ca390a553c23e4844c3c23034f604656b245dca64243756caabb6e393b", kill_on_drop: false }` [INFO] [stdout] 5aef14ca390a553c23e4844c3c23034f604656b245dca64243756caabb6e393b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da807b3df1a8d8622b85258f2487d391bc269b2513d2b13558771eb06bffd9bf [INFO] running `Command { std: "docker" "start" "-a" "da807b3df1a8d8622b85258f2487d391bc269b2513d2b13558771eb06bffd9bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.67s [INFO] running `Command { std: "docker" "inspect" "da807b3df1a8d8622b85258f2487d391bc269b2513d2b13558771eb06bffd9bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da807b3df1a8d8622b85258f2487d391bc269b2513d2b13558771eb06bffd9bf", kill_on_drop: false }` [INFO] [stdout] da807b3df1a8d8622b85258f2487d391bc269b2513d2b13558771eb06bffd9bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebb3febfd9bf1761989b435c1125caff9289c83ce7926dd4952629bb47340398 [INFO] running `Command { std: "docker" "start" "-a" "ebb3febfd9bf1761989b435c1125caff9289c83ce7926dd4952629bb47340398", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `Command { std: "docker" "inspect" "ebb3febfd9bf1761989b435c1125caff9289c83ce7926dd4952629bb47340398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebb3febfd9bf1761989b435c1125caff9289c83ce7926dd4952629bb47340398", kill_on_drop: false }` [INFO] [stdout] ebb3febfd9bf1761989b435c1125caff9289c83ce7926dd4952629bb47340398 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 402c07ee1a2878515dae8cc8f7cacfd267751db6b3cd920554b66067c7a38822 [INFO] running `Command { std: "docker" "start" "-a" "402c07ee1a2878515dae8cc8f7cacfd267751db6b3cd920554b66067c7a38822", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-9d591e168ede1823) [INFO] [stdout] [INFO] [stdout] running 4 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] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:303:36: [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: 0x60757b72ddb2 - std::backtrace_rs::backtrace::libunwind::trace::h97da83aab53f337d [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x60757b72ddb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h07d9fad959b0b0c4 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x60757b72ddb2 - std::sys::backtrace::_print_fmt::h73b6844d523a91e6 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x60757b72ddb2 - ::fmt::had50d3dbab4f9a49 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x60757b7543d3 - core::fmt::rt::Argument::fmt::h96dc2668ac588484 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/fmt/rt.rs:184:76 [INFO] [stdout] 5: 0x60757b7543d3 - core::fmt::write::h3c068850dd3fcd11 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/fmt/mod.rs:1480:21 [INFO] [stdout] 6: 0x60757b72b473 - std::io::default_write_fmt::h9f5cac5e26eafb82 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x60757b72b473 - std::io::Write::write_fmt::h9be88ac981c80255 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/io/mod.rs:1914:13 [INFO] [stdout] 8: 0x60757b72dc02 - std::sys::backtrace::BacktraceLock::print::h160d33c700b1accf [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x60757b72f19c - std::panicking::default_hook::{{closure}}::hdccf862335980e92 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:300:22 [INFO] [stdout] 10: 0x60757b72eff2 - std::panicking::default_hook::h92ea296b4f4c5d78 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x60757b4e8944 - as core::ops::function::Fn>::call::h58e2cb0c3aa8f900 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x60757b4e8944 - test::test_main::{{closure}}::h068e739b3ff3ace9 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x60757b72fc13 - as core::ops::function::Fn>::call::h4dc3b8e0d98a0945 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x60757b72fc13 - std::panicking::rust_panic_with_hook::h53eb519a340d7090 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x60757b72f8ea - std::panicking::begin_panic_handler::{{closure}}::h1b012222d781940d [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x60757b72e2a9 - std::sys::backtrace::__rust_end_short_backtrace::hb1c00a6a74936045 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x60757b72f57d - __rustc[3fad54a3e94379e3]::rust_begin_unwind [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x60757b49c750 - core::panicking::panic_fmt::h5646b0c12be1dead [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x60757b49cbe6 - core::result::unwrap_failed::hc06d646aff6e2a9a [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/result.rs:1704:5 [INFO] [stdout] 20: 0x60757b4a346c - core::result::Result::unwrap::hc55788e3c1b915ce [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/result.rs:1109:23 [INFO] [stdout] 21: 0x60757b4a346c - rustlings::exercise::test::test_clean::h9c3d80812fed4a07 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 22: 0x60757b4a33a7 - rustlings::exercise::test::test_clean::{{closure}}::hebe39c642f44a7db [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 23: 0x60757b4a52a6 - core::ops::function::FnOnce::call_once::h191c505818494684 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x60757b4ee29b - core::ops::function::FnOnce::call_once::h36fc4a9de3ab6dc6 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x60757b4ee29b - test::__rust_begin_short_backtrace::ha0a98bb69b358a31 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:638:18 [INFO] [stdout] 26: 0x60757b4ed28f - test::run_test_in_process::{{closure}}::h8c178d13fba0a588 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:661:60 [INFO] [stdout] 27: 0x60757b4ed28f - as core::ops::function::FnOnce<()>>::call_once::hcf9a13e44c998160 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x60757b4ed28f - std::panicking::try::do_call::h4af5be696220e430 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x60757b4ed28f - std::panicking::try::hbf49a526ff439d5e [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x60757b4ed28f - std::panic::catch_unwind::h73db1b343ad1c705 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x60757b4ed28f - test::run_test_in_process::hef059ed743ea6437 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:661:27 [INFO] [stdout] 32: 0x60757b4ed28f - test::run_test::{{closure}}::h9508bce7fbf1ad82 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:582:43 [INFO] [stdout] 33: 0x60757b4b19e4 - test::run_test::{{closure}}::h70f94fa995999514 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:612:41 [INFO] [stdout] 34: 0x60757b4b19e4 - std::sys::backtrace::__rust_begin_short_backtrace::hfc7043e7c8324aca [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x60757b4b52da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h599c966db81290c0 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x60757b4b52da - as core::ops::function::FnOnce<()>>::call_once::h499078bec004bb56 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x60757b4b52da - std::panicking::try::do_call::h336d5bb945571c50 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x60757b4b52da - std::panicking::try::hea8a9a2c11807957 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x60757b4b52da - std::panic::catch_unwind::hc46631a6d929f68d [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x60757b4b52da - std::thread::Builder::spawn_unchecked_::{{closure}}::he5729da5506c58d1 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x60757b4b52da - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8b7f1215a4f7e46f [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x60757b73196b - as core::ops::function::FnOnce>::call_once::h5e2c5a5b1d7d1d9c [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x60757b73196b - as core::ops::function::FnOnce>::call_once::hc50cd23acd01680e [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x60757b73196b - std::sys::pal::unix::thread::Thread::new::thread_start::hb3d0e19f380baa62 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/pal/unix/thread.rs:109:17 [INFO] [stdout] 45: 0x7f23606ceaa4 - [INFO] [stdout] 46: 0x7f236075ba34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:376:38: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetagPT8oT\"\u{1b}[0m\n\n\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: aborting due to 1 previous error\u{1b}[0m\n\n" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x60757b72ddb2 - std::backtrace_rs::backtrace::libunwind::trace::h97da83aab53f337d [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x60757b72ddb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h07d9fad959b0b0c4 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x60757b72ddb2 - std::sys::backtrace::_print_fmt::h73b6844d523a91e6 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x60757b72ddb2 - ::fmt::had50d3dbab4f9a49 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x60757b7543d3 - core::fmt::rt::Argument::fmt::h96dc2668ac588484 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/fmt/rt.rs:184:76 [INFO] [stdout] 5: 0x60757b7543d3 - core::fmt::write::h3c068850dd3fcd11 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/fmt/mod.rs:1480:21 [INFO] [stdout] 6: 0x60757b72b473 - std::io::default_write_fmt::h9f5cac5e26eafb82 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x60757b72b473 - std::io::Write::write_fmt::h9be88ac981c80255 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/io/mod.rs:1914:13 [INFO] [stdout] 8: 0x60757b72dc02 - std::sys::backtrace::BacktraceLock::print::h160d33c700b1accf [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x60757b72f19c - std::panicking::default_hook::{{closure}}::hdccf862335980e92 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:300:22 [INFO] [stdout] 10: 0x60757b72eff2 - std::panicking::default_hook::h92ea296b4f4c5d78 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x60757b4e8944 - as core::ops::function::Fn>::call::h58e2cb0c3aa8f900 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x60757b4e8944 - test::test_main::{{closure}}::h068e739b3ff3ace9 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x60757b72fc13 - as core::ops::function::Fn>::call::h4dc3b8e0d98a0945 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x60757b72fc13 - std::panicking::rust_panic_with_hook::h53eb519a340d7090 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x60757b72f8ea - std::panicking::begin_panic_handler::{{closure}}::h1b012222d781940d [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x60757b72e2a9 - std::sys::backtrace::__rust_end_short_backtrace::hb1c00a6a74936045 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x60757b72f57d - __rustc[3fad54a3e94379e3]::rust_begin_unwind [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x60757b49c750 - core::panicking::panic_fmt::h5646b0c12be1dead [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x60757b49cbe6 - core::result::unwrap_failed::hc06d646aff6e2a9a [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/result.rs:1704:5 [INFO] [stdout] 20: 0x60757b4a4306 - core::result::Result::unwrap::h7dff0644c1cf7e4c [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/result.rs:1109:23 [INFO] [stdout] 21: 0x60757b4a4306 - rustlings::exercise::test::test_exercise_with_output::hb458869506d16583 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 22: 0x60757b4a4107 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hce947d0183e5df84 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 23: 0x60757b4a52e6 - core::ops::function::FnOnce::call_once::h447f1cb230e7982b [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x60757b4ee29b - core::ops::function::FnOnce::call_once::h36fc4a9de3ab6dc6 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x60757b4ee29b - test::__rust_begin_short_backtrace::ha0a98bb69b358a31 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:638:18 [INFO] [stdout] 26: 0x60757b4ed28f - test::run_test_in_process::{{closure}}::h8c178d13fba0a588 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:661:60 [INFO] [stdout] 27: 0x60757b4ed28f - as core::ops::function::FnOnce<()>>::call_once::hcf9a13e44c998160 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x60757b4ed28f - std::panicking::try::do_call::h4af5be696220e430 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x60757b4ed28f - std::panicking::try::hbf49a526ff439d5e [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x60757b4ed28f - std::panic::catch_unwind::h73db1b343ad1c705 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x60757b4ed28f - test::run_test_in_process::hef059ed743ea6437 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:661:27 [INFO] [stdout] 32: 0x60757b4ed28f - test::run_test::{{closure}}::h9508bce7fbf1ad82 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:582:43 [INFO] [stdout] 33: 0x60757b4b19e4 - test::run_test::{{closure}}::h70f94fa995999514 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/test/src/lib.rs:612:41 [INFO] [stdout] 34: 0x60757b4b19e4 - std::sys::backtrace::__rust_begin_short_backtrace::hfc7043e7c8324aca [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x60757b4b52da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h599c966db81290c0 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x60757b4b52da - as core::ops::function::FnOnce<()>>::call_once::h499078bec004bb56 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x60757b4b52da - std::panicking::try::do_call::h336d5bb945571c50 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x60757b4b52da - std::panicking::try::hea8a9a2c11807957 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x60757b4b52da - std::panic::catch_unwind::hc46631a6d929f68d [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x60757b4b52da - std::thread::Builder::spawn_unchecked_::{{closure}}::he5729da5506c58d1 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x60757b4b52da - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8b7f1215a4f7e46f [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x60757b73196b - as core::ops::function::FnOnce>::call_once::h5e2c5a5b1d7d1d9c [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x60757b73196b - as core::ops::function::FnOnce>::call_once::hc50cd23acd01680e [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x60757b73196b - std::sys::pal::unix::thread::Thread::new::thread_start::hb3d0e19f380baa62 [INFO] [stdout] at /rustc/a5948295b4bf4c6199457f1227e5d8f6e6b9f948/library/std/src/sys/pal/unix/thread.rs:109:17 [INFO] [stdout] 45: 0x7f23606ceaa4 - [INFO] [stdout] 46: 0x7f236075ba34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "402c07ee1a2878515dae8cc8f7cacfd267751db6b3cd920554b66067c7a38822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "402c07ee1a2878515dae8cc8f7cacfd267751db6b3cd920554b66067c7a38822", kill_on_drop: false }` [INFO] [stdout] 402c07ee1a2878515dae8cc8f7cacfd267751db6b3cd920554b66067c7a38822