[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-js2xxx [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-js2xxx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-js2xxx", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-js2xxx'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 527b5b79ea0a067dbade81ca7552413814fe27a0 [INFO] testing LearningOS/rust-rustlings-2023-autumn-js2xxx against beta-2025-01-12 for beta-1.85-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-js2xxx" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-js2xxx on toolchain beta-2025-01-12 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-js2xxx [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-js2xxx [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-js2xxx written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-js2xxx 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-2025-01-12" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded argh_shared v0.1.10 [INFO] [stderr] Downloaded serde_json v1.0.102 [INFO] [stderr] Downloaded argh_derive v0.1.10 [INFO] [stderr] Downloaded argh v0.1.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c9bb666a3a531ca65a36c046f48aa27453121c4d04cff1e85631cb9e82b5fd8 [INFO] running `Command { std: "docker" "start" "-a" "7c9bb666a3a531ca65a36c046f48aa27453121c4d04cff1e85631cb9e82b5fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c9bb666a3a531ca65a36c046f48aa27453121c4d04cff1e85631cb9e82b5fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c9bb666a3a531ca65a36c046f48aa27453121c4d04cff1e85631cb9e82b5fd8", kill_on_drop: false }` [INFO] [stdout] 7c9bb666a3a531ca65a36c046f48aa27453121c4d04cff1e85631cb9e82b5fd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc5001634136e1d5404b0541ebafdc4faed030837e5dd74e4d4ffb4122354e0e [INFO] running `Command { std: "docker" "start" "-a" "fc5001634136e1d5404b0541ebafdc4faed030837e5dd74e4d4ffb4122354e0e", 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 v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [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 net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [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 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 serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling argh v0.1.10 [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 20.75s [INFO] running `Command { std: "docker" "inspect" "fc5001634136e1d5404b0541ebafdc4faed030837e5dd74e4d4ffb4122354e0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc5001634136e1d5404b0541ebafdc4faed030837e5dd74e4d4ffb4122354e0e", kill_on_drop: false }` [INFO] [stdout] fc5001634136e1d5404b0541ebafdc4faed030837e5dd74e4d4ffb4122354e0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 912a673d88d69874a7dd9604c83bebba859830f3710a7ad9fef0bb404c88a561 [INFO] running `Command { std: "docker" "start" "-a" "912a673d88d69874a7dd9604c83bebba859830f3710a7ad9fef0bb404c88a561", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [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 3.41s [INFO] running `Command { std: "docker" "inspect" "912a673d88d69874a7dd9604c83bebba859830f3710a7ad9fef0bb404c88a561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "912a673d88d69874a7dd9604c83bebba859830f3710a7ad9fef0bb404c88a561", kill_on_drop: false }` [INFO] [stdout] 912a673d88d69874a7dd9604c83bebba859830f3710a7ad9fef0bb404c88a561 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6e2f84f8adc9065382223ec5107991a4910ef136fc8b35b212667f654a5f4635 [INFO] running `Command { std: "docker" "start" "-a" "6e2f84f8adc9065382223ec5107991a4910ef136fc8b35b212667f654a5f4635", 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: 0x61546a9b838a - std::backtrace_rs::backtrace::libunwind::trace::ha13ab8a94fd3bb92 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x61546a9b838a - std::backtrace_rs::backtrace::trace_unsynchronized::h2a4c556e569d314b [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x61546a9b838a - std::sys::backtrace::_print_fmt::hf52186dec7bdf1bb [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x61546a9b838a - ::fmt::hb5c3379828c15690 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x61546a9de453 - core::fmt::rt::Argument::fmt::h8220db795cd6f76c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x61546a9de453 - core::fmt::write::hd20c41beeec2e8c0 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x61546a9b5493 - std::io::Write::write_fmt::hf276ec928345bea3 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x61546a9b81d2 - std::sys::backtrace::BacktraceLock::print::h4fa77b65bb5ed2ec [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x61546a9b98c0 - std::panicking::default_hook::{{closure}}::hd3560f93167cf51e [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x61546a9b965d - std::panicking::default_hook::h361b8e3c5cbb2501 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:319:9 [INFO] [stdout] 10: 0x61546a7702f3 - as core::ops::function::Fn>::call::h52b4c42c9dce8b0e [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 11: 0x61546a7702f3 - test::test_main::{{closure}}::h1a9dc25180417899 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x61546a9ba0f3 - as core::ops::function::Fn>::call::h080867abcafb687f [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 13: 0x61546a9ba0f3 - std::panicking::rust_panic_with_hook::h7e187ba6ef3a8505 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:836:13 [INFO] [stdout] 14: 0x61546a9b9dca - std::panicking::begin_panic_handler::{{closure}}::h2160aaedd30b4698 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:701:13 [INFO] [stdout] 15: 0x61546a9b8889 - std::sys::backtrace::__rust_end_short_backtrace::h2544fe16c7a2009f [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x61546a9b9a5d - rust_begin_unwind [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:692:5 [INFO] [stdout] 17: 0x61546a724400 - core::panicking::panic_fmt::h55d7693adb8e1cee [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x61546a724876 - core::result::unwrap_failed::h630dfdc7f21633d0 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x61546a72ecda - core::result::Result::unwrap::hc2055f2545f7f4f6 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x61546a72ecda - rustlings::exercise::test::test_clean::hbdbea4b8980b2a7a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x61546a72ec17 - rustlings::exercise::test::test_clean::{{closure}}::hdc2ee20d919ab020 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x61546a726246 - core::ops::function::FnOnce::call_once::h1bafe772d402c3cc [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x61546a775b4b - core::ops::function::FnOnce::call_once::h42df3dc9a56fb705 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x61546a775b4b - test::__rust_begin_short_backtrace::hf2ff4d4d12dd75b0 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x61546a7749d3 - test::run_test_in_process::{{closure}}::h8461a23c6c0ac10c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x61546a7749d3 - as core::ops::function::FnOnce<()>>::call_once::hefab1bfcb42baf2e [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x61546a7749d3 - std::panicking::try::do_call::h75c82cb1133d19f1 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:584:40 [INFO] [stdout] 28: 0x61546a7749d3 - std::panicking::try::h41d68fc63841231a [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:547:19 [INFO] [stdout] 29: 0x61546a7749d3 - std::panic::catch_unwind::h7a7ff6adf9e0c698 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x61546a7749d3 - test::run_test_in_process::hcd527530689ec177 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x61546a7749d3 - test::run_test::{{closure}}::h51ba581aac56ca21 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x61546a7386d5 - test::run_test::{{closure}}::h9d0d2581742c4e6c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x61546a7386d5 - std::sys::backtrace::__rust_begin_short_backtrace::h94b953e0285eca69 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x61546a73c166 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hac891bfe52f0501a [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/thread/mod.rs:564:17 [INFO] [stdout] 35: 0x61546a73c166 - as core::ops::function::FnOnce<()>>::call_once::hd4f76b3ef0615394 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x61546a73c166 - std::panicking::try::do_call::h31b1a419f4fa670c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:584:40 [INFO] [stdout] 37: 0x61546a73c166 - std::panicking::try::h277e348adef7f0af [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:547:19 [INFO] [stdout] 38: 0x61546a73c166 - std::panic::catch_unwind::h06db5059e51a109d [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x61546a73c166 - std::thread::Builder::spawn_unchecked_::{{closure}}::h048aed1b5c822396 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/thread/mod.rs:562:30 [INFO] [stdout] 40: 0x61546a73c166 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9f03098da71d0b51 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x61546a9be18b - as core::ops::function::FnOnce>::call_once::hcc221cc1d8cbbdc7 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 42: 0x61546a9be18b - as core::ops::function::FnOnce>::call_once::he5e5264a0dcd6e5f [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 43: 0x61546a9be18b - std::sys::pal::unix::thread::Thread::new::thread_start::h307a072356a0dfca [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x72ebd5755ac3 - [INFO] [stdout] 45: 0x72ebd57e6a04 - clone [INFO] [stdout] 46: 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/./rmetafDmX9q\"\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: 0x61546a9b838a - std::backtrace_rs::backtrace::libunwind::trace::ha13ab8a94fd3bb92 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x61546a9b838a - std::backtrace_rs::backtrace::trace_unsynchronized::h2a4c556e569d314b [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x61546a9b838a - std::sys::backtrace::_print_fmt::hf52186dec7bdf1bb [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x61546a9b838a - ::fmt::hb5c3379828c15690 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x61546a9de453 - core::fmt::rt::Argument::fmt::h8220db795cd6f76c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x61546a9de453 - core::fmt::write::hd20c41beeec2e8c0 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x61546a9b5493 - std::io::Write::write_fmt::hf276ec928345bea3 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x61546a9b81d2 - std::sys::backtrace::BacktraceLock::print::h4fa77b65bb5ed2ec [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x61546a9b98c0 - std::panicking::default_hook::{{closure}}::hd3560f93167cf51e [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x61546a9b965d - std::panicking::default_hook::h361b8e3c5cbb2501 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:319:9 [INFO] [stdout] 10: 0x61546a7702f3 - as core::ops::function::Fn>::call::h52b4c42c9dce8b0e [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 11: 0x61546a7702f3 - test::test_main::{{closure}}::h1a9dc25180417899 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x61546a9ba0f3 - as core::ops::function::Fn>::call::h080867abcafb687f [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 13: 0x61546a9ba0f3 - std::panicking::rust_panic_with_hook::h7e187ba6ef3a8505 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:836:13 [INFO] [stdout] 14: 0x61546a9b9dca - std::panicking::begin_panic_handler::{{closure}}::h2160aaedd30b4698 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:701:13 [INFO] [stdout] 15: 0x61546a9b8889 - std::sys::backtrace::__rust_end_short_backtrace::h2544fe16c7a2009f [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x61546a9b9a5d - rust_begin_unwind [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:692:5 [INFO] [stdout] 17: 0x61546a724400 - core::panicking::panic_fmt::h55d7693adb8e1cee [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x61546a724876 - core::result::unwrap_failed::h630dfdc7f21633d0 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x61546a72fb4a - core::result::Result::unwrap::ha7aaa94c079b2178 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x61546a72fb4a - rustlings::exercise::test::test_exercise_with_output::h933e9bba3a6a7250 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x61546a72f957 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::he7f0db918cc57dc1 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x61546a726376 - core::ops::function::FnOnce::call_once::hf83755bbb9396ec8 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x61546a775b4b - core::ops::function::FnOnce::call_once::h42df3dc9a56fb705 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x61546a775b4b - test::__rust_begin_short_backtrace::hf2ff4d4d12dd75b0 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x61546a7749d3 - test::run_test_in_process::{{closure}}::h8461a23c6c0ac10c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x61546a7749d3 - as core::ops::function::FnOnce<()>>::call_once::hefab1bfcb42baf2e [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x61546a7749d3 - std::panicking::try::do_call::h75c82cb1133d19f1 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:584:40 [INFO] [stdout] 28: 0x61546a7749d3 - std::panicking::try::h41d68fc63841231a [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:547:19 [INFO] [stdout] 29: 0x61546a7749d3 - std::panic::catch_unwind::h7a7ff6adf9e0c698 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x61546a7749d3 - test::run_test_in_process::hcd527530689ec177 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x61546a7749d3 - test::run_test::{{closure}}::h51ba581aac56ca21 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x61546a7386d5 - test::run_test::{{closure}}::h9d0d2581742c4e6c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x61546a7386d5 - std::sys::backtrace::__rust_begin_short_backtrace::h94b953e0285eca69 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x61546a73c166 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hac891bfe52f0501a [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/thread/mod.rs:564:17 [INFO] [stdout] 35: 0x61546a73c166 - as core::ops::function::FnOnce<()>>::call_once::hd4f76b3ef0615394 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x61546a73c166 - std::panicking::try::do_call::h31b1a419f4fa670c [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:584:40 [INFO] [stdout] 37: 0x61546a73c166 - std::panicking::try::h277e348adef7f0af [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panicking.rs:547:19 [INFO] [stdout] 38: 0x61546a73c166 - std::panic::catch_unwind::h06db5059e51a109d [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x61546a73c166 - std::thread::Builder::spawn_unchecked_::{{closure}}::h048aed1b5c822396 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/thread/mod.rs:562:30 [INFO] [stdout] 40: 0x61546a73c166 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9f03098da71d0b51 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x61546a9be18b - as core::ops::function::FnOnce>::call_once::hcc221cc1d8cbbdc7 [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 42: 0x61546a9be18b - as core::ops::function::FnOnce>::call_once::he5e5264a0dcd6e5f [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 43: 0x61546a9be18b - std::sys::pal::unix::thread::Thread::new::thread_start::h307a072356a0dfca [INFO] [stdout] at /rustc/fe9b9751fa54a5871b87cd36a582f9b7b06123fd/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x72ebd5755ac3 - [INFO] [stdout] 45: 0x72ebd57e6a04 - 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 0.07s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "6e2f84f8adc9065382223ec5107991a4910ef136fc8b35b212667f654a5f4635", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e2f84f8adc9065382223ec5107991a4910ef136fc8b35b212667f654a5f4635", kill_on_drop: false }` [INFO] [stdout] 6e2f84f8adc9065382223ec5107991a4910ef136fc8b35b212667f654a5f4635