[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu [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-2024-spring-le-monde-bleu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-le-monde-bleu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-le-monde-bleu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a04b0ba6db02b79ec2037ddbbe05834313d6427e [INFO] testing LearningOS/rust-rustlings-2024-spring-le-monde-bleu against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-le-monde-bleu" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing LearningOS/rust-rustlings-2024-spring-le-monde-bleu against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-le-monde-bleu" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2024-spring-le-monde-bleu 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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 267c3fcfaaf7197e0af29857cb1ce19b2b49b58367f0ea4b92bb4f99a95d3bee [INFO] running `Command { std: "docker" "start" "-a" "267c3fcfaaf7197e0af29857cb1ce19b2b49b58367f0ea4b92bb4f99a95d3bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "267c3fcfaaf7197e0af29857cb1ce19b2b49b58367f0ea4b92bb4f99a95d3bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "267c3fcfaaf7197e0af29857cb1ce19b2b49b58367f0ea4b92bb4f99a95d3bee", kill_on_drop: false }` [INFO] [stdout] 267c3fcfaaf7197e0af29857cb1ce19b2b49b58367f0ea4b92bb4f99a95d3bee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe457ad4e5a3eaec35d599450d96161ee8ad7bb5184755ce8e985ef7e20b8857 [INFO] running `Command { std: "docker" "start" "-a" "fe457ad4e5a3eaec35d599450d96161ee8ad7bb5184755ce8e985ef7e20b8857", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [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 parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling same-file v1.0.6 [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 argh_shared v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [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 mio v0.8.8 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [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 22.07s [INFO] running `Command { std: "docker" "inspect" "fe457ad4e5a3eaec35d599450d96161ee8ad7bb5184755ce8e985ef7e20b8857", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe457ad4e5a3eaec35d599450d96161ee8ad7bb5184755ce8e985ef7e20b8857", kill_on_drop: false }` [INFO] [stdout] fe457ad4e5a3eaec35d599450d96161ee8ad7bb5184755ce8e985ef7e20b8857 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e954e3133c3122df98c96aa080490c5b92d8b00b9af0982ef61be0126caae96a [INFO] running `Command { std: "docker" "start" "-a" "e954e3133c3122df98c96aa080490c5b92d8b00b9af0982ef61be0126caae96a", 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 2.63s [INFO] running `Command { std: "docker" "inspect" "e954e3133c3122df98c96aa080490c5b92d8b00b9af0982ef61be0126caae96a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e954e3133c3122df98c96aa080490c5b92d8b00b9af0982ef61be0126caae96a", kill_on_drop: false }` [INFO] [stdout] e954e3133c3122df98c96aa080490c5b92d8b00b9af0982ef61be0126caae96a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ee3035b13786789a07fd176c465a9bca3deeb37223f2bd7ea7659282e6c658e3 [INFO] running `Command { std: "docker" "start" "-a" "ee3035b13786789a07fd176c465a9bca3deeb37223f2bd7ea7659282e6c658e3", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-7ed0a2de207f3fae) [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] 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: 0x55706d7b55d5 - std::backtrace_rs::backtrace::libunwind::trace::h644651cb29d88bb0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x55706d7b55d5 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f227a4714c93f22 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55706d7b55d5 - std::sys::backtrace::_print_fmt::hfe88767e38ff4b4e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x55706d7b55d5 - ::fmt::h0e27af9f1d310e0a [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x55706d7dcf6b - core::fmt::rt::Argument::fmt::h900f10175a69b72e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x55706d7dcf6b - core::fmt::write::h3a97e76bd9b733fa [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x55706d7b297f - std::io::Write::write_fmt::he4611995baa28da3 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x55706d7b6df1 - std::sys::backtrace::BacktraceLock::print::h52f15558f43bfe2f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x55706d7b6df1 - std::panicking::default_hook::{{closure}}::h77edc81607b06015 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x55706d7b6998 - std::panicking::default_hook::h4a889c281e863e6e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x55706d543b6a - as core::ops::function::Fn>::call::h87ae598a6618f03f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x55706d543b6a - test::test_main::{{closure}}::haa35c2695dfcc048 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x55706d7b76ff - as core::ops::function::Fn>::call::h0934a01d4a1cdb06 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x55706d7b76ff - std::panicking::rust_panic_with_hook::h74d8fff54c965152 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x55706d7b7327 - std::panicking::begin_panic_handler::{{closure}}::h82b61517a14ab3ae [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x55706d7b5a99 - std::sys::backtrace::__rust_end_short_backtrace::h7f24a51d7748d3e4 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x55706d7b6fb4 - rust_begin_unwind [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x55706d7db4c3 - core::panicking::panic_fmt::h7de3a20d92caa6a2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x55706d7dba16 - core::result::unwrap_failed::hbfce3c09bc996f11 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x55706d5035ba - core::result::Result::unwrap::hac42b716254aa9fe [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x55706d5035ba - rustlings::exercise::test::test_clean::h6af710f12c9c8cd5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x55706d5034f7 - rustlings::exercise::test::test_clean::{{closure}}::h277ed56f6fa07ad9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x55706d5005e6 - core::ops::function::FnOnce::call_once::hf71b16d9cf874391 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55706d5486eb - core::ops::function::FnOnce::call_once::h24a6f01be65f4680 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55706d5486eb - test::__rust_begin_short_backtrace::h7c53016b80d5a608 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x55706d547f05 - test::run_test_in_process::{{closure}}::hde6a274ce897aaad [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x55706d547f05 - as core::ops::function::FnOnce<()>>::call_once::hd431ac2f54963786 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x55706d547f05 - std::panicking::try::do_call::h10362e01a063baa0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x55706d547f05 - std::panicking::try::h30318180e4290dce [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x55706d547f05 - std::panic::catch_unwind::h97d52b1b1f400ecc [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x55706d547f05 - test::run_test_in_process::haec7bb1f728b765d [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x55706d547f05 - test::run_test::{{closure}}::ha988a53ee25f80e1 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x55706d50d7d4 - test::run_test::{{closure}}::hddc4d91f14475af0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x55706d50d7d4 - std::sys::backtrace::__rust_begin_short_backtrace::h550bd80387fd32b0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x55706d510f02 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0907e6530d89c432 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x55706d510f02 - as core::ops::function::FnOnce<()>>::call_once::h1426168782d20988 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x55706d510f02 - std::panicking::try::do_call::h9e10c7df8de701e0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x55706d510f02 - std::panicking::try::hc0169bb633716dc9 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x55706d510f02 - std::panic::catch_unwind::h2d365a7fbba378ff [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x55706d510f02 - std::thread::Builder::spawn_unchecked_::{{closure}}::h99b3d5b0eb8d8349 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x55706d510f02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h785f99837c772588 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x55706d7bba2b - as core::ops::function::FnOnce>::call_once::h9d8f2204f4fcbe73 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x55706d7bba2b - as core::ops::function::FnOnce>::call_once::h817ffd7b41f007e2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x55706d7bba2b - std::sys::pal::unix::thread::Thread::new::thread_start::hfffda88b0cd3e69f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7f2f5836bac3 - [INFO] [stdout] 45: 0x7f2f583fca04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output 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/./rmeta4HjWzE\"\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: 0x55706d7b55d5 - std::backtrace_rs::backtrace::libunwind::trace::h644651cb29d88bb0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x55706d7b55d5 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f227a4714c93f22 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55706d7b55d5 - std::sys::backtrace::_print_fmt::hfe88767e38ff4b4e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x55706d7b55d5 - ::fmt::h0e27af9f1d310e0a [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x55706d7dcf6b - core::fmt::rt::Argument::fmt::h900f10175a69b72e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x55706d7dcf6b - core::fmt::write::h3a97e76bd9b733fa [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x55706d7b297f - std::io::Write::write_fmt::he4611995baa28da3 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x55706d7b6df1 - std::sys::backtrace::BacktraceLock::print::h52f15558f43bfe2f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x55706d7b6df1 - std::panicking::default_hook::{{closure}}::h77edc81607b06015 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x55706d7b6998 - std::panicking::default_hook::h4a889c281e863e6e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x55706d543b6a - as core::ops::function::Fn>::call::h87ae598a6618f03f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x55706d543b6a - test::test_main::{{closure}}::haa35c2695dfcc048 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x55706d7b76ff - as core::ops::function::Fn>::call::h0934a01d4a1cdb06 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x55706d7b76ff - std::panicking::rust_panic_with_hook::h74d8fff54c965152 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x55706d7b7327 - std::panicking::begin_panic_handler::{{closure}}::h82b61517a14ab3ae [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x55706d7b5a99 - std::sys::backtrace::__rust_end_short_backtrace::h7f24a51d7748d3e4 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x55706d7b6fb4 - rust_begin_unwind [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x55706d7db4c3 - core::panicking::panic_fmt::h7de3a20d92caa6a2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x55706d7dba16 - core::result::unwrap_failed::hbfce3c09bc996f11 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x55706d50441a - core::result::Result::unwrap::ha24572adf53d0449 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x55706d50441a - rustlings::exercise::test::test_exercise_with_output::hb6aea49a2cad147e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x55706d504227 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h74c8540ccfc93dd9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x55706d500526 - core::ops::function::FnOnce::call_once::h52ad9892c57bab3e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55706d5486eb - core::ops::function::FnOnce::call_once::h24a6f01be65f4680 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55706d5486eb - test::__rust_begin_short_backtrace::h7c53016b80d5a608 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x55706d547f05 - test::run_test_in_process::{{closure}}::hde6a274ce897aaad [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x55706d547f05 - as core::ops::function::FnOnce<()>>::call_once::hd431ac2f54963786 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x55706d547f05 - std::panicking::try::do_call::h10362e01a063baa0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x55706d547f05 - std::panicking::try::h30318180e4290dce [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x55706d547f05 - std::panic::catch_unwind::h97d52b1b1f400ecc [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x55706d547f05 - test::run_test_in_process::haec7bb1f728b765d [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x55706d547f05 - test::run_test::{{closure}}::ha988a53ee25f80e1 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x55706d50d7d4 - test::run_test::{{closure}}::hddc4d91f14475af0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x55706d50d7d4 - std::sys::backtrace::__rust_begin_short_backtrace::h550bd80387fd32b0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x55706d510f02 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0907e6530d89c432 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x55706d510f02 - as core::ops::function::FnOnce<()>>::call_once::h1426168782d20988 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x55706d510f02 - std::panicking::try::do_call::h9e10c7df8de701e0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x55706d510f02 - std::panicking::try::hc0169bb633716dc9 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x55706d510f02 - std::panic::catch_unwind::h2d365a7fbba378ff [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x55706d510f02 - std::thread::Builder::spawn_unchecked_::{{closure}}::h99b3d5b0eb8d8349 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x55706d510f02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h785f99837c772588 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x55706d7bba2b - as core::ops::function::FnOnce>::call_once::h9d8f2204f4fcbe73 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x55706d7bba2b - as core::ops::function::FnOnce>::call_once::h817ffd7b41f007e2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x55706d7bba2b - std::sys::pal::unix::thread::Thread::new::thread_start::hfffda88b0cd3e69f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7f2f5836bac3 - [INFO] [stdout] 45: 0x7f2f583fca04 - clone [INFO] [stdout] 46: 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 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "ee3035b13786789a07fd176c465a9bca3deeb37223f2bd7ea7659282e6c658e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee3035b13786789a07fd176c465a9bca3deeb37223f2bd7ea7659282e6c658e3", kill_on_drop: false }` [INFO] [stdout] ee3035b13786789a07fd176c465a9bca3deeb37223f2bd7ea7659282e6c658e3