[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-yifan818 [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-yifan818" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-yifan818", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-yifan818'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e22c75071ee7a09cda39a20826c9bc1aa1a2441 [INFO] testing LearningOS/rust-rustlings-2023-autumn-yifan818 against 1.84.0 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-yifan818" "/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-2023-autumn-yifan818 on toolchain 1.84.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-yifan818 [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-yifan818 [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-yifan818 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-yifan818 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10cd6bb550f8512294b1be0d20c60e0e71c9faecfd3db58bc2c71426f770e555 [INFO] running `Command { std: "docker" "start" "-a" "10cd6bb550f8512294b1be0d20c60e0e71c9faecfd3db58bc2c71426f770e555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10cd6bb550f8512294b1be0d20c60e0e71c9faecfd3db58bc2c71426f770e555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10cd6bb550f8512294b1be0d20c60e0e71c9faecfd3db58bc2c71426f770e555", kill_on_drop: false }` [INFO] [stdout] 10cd6bb550f8512294b1be0d20c60e0e71c9faecfd3db58bc2c71426f770e555 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e59fa7881eb3452e91a597a2a21d51620eb068c7b344700e687c328a38c93ab8 [INFO] running `Command { std: "docker" "start" "-a" "e59fa7881eb3452e91a597a2a21d51620eb068c7b344700e687c328a38c93ab8", 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 unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [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 serde v1.0.171 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling number_prefix v0.4.0 [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 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 filetime v0.2.21 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling console v0.15.7 [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 syn v2.0.25 [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 regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [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 35.23s [INFO] running `Command { std: "docker" "inspect" "e59fa7881eb3452e91a597a2a21d51620eb068c7b344700e687c328a38c93ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e59fa7881eb3452e91a597a2a21d51620eb068c7b344700e687c328a38c93ab8", kill_on_drop: false }` [INFO] [stdout] e59fa7881eb3452e91a597a2a21d51620eb068c7b344700e687c328a38c93ab8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbc2bc51ba205bd54a5c593068653dd2dd5ece5d11d6343e52831a545fd88579 [INFO] running `Command { std: "docker" "start" "-a" "fbc2bc51ba205bd54a5c593068653dd2dd5ece5d11d6343e52831a545fd88579", 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 7.06s [INFO] running `Command { std: "docker" "inspect" "fbc2bc51ba205bd54a5c593068653dd2dd5ece5d11d6343e52831a545fd88579", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbc2bc51ba205bd54a5c593068653dd2dd5ece5d11d6343e52831a545fd88579", kill_on_drop: false }` [INFO] [stdout] fbc2bc51ba205bd54a5c593068653dd2dd5ece5d11d6343e52831a545fd88579 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.84.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] af5cc5218e492285ba97d024eab0b03357a706ae41126cc386990b8f2812fb5f [INFO] running `Command { std: "docker" "start" "-a" "af5cc5218e492285ba97d024eab0b03357a706ae41126cc386990b8f2812fb5f", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-dcdc30ac92c28ddd) [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: 0x5c22c375598a - std::backtrace_rs::backtrace::libunwind::trace::hfe0e1def394da018 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5c22c375598a - std::backtrace_rs::backtrace::trace_unsynchronized::h96fbb6d117554616 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5c22c375598a - std::sys::backtrace::_print_fmt::he1169c6f8956325b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5c22c375598a - ::fmt::ha4a311b32f6b4ad8 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5c22c377baf3 - core::fmt::rt::Argument::fmt::h8ccd2627d2418ed3 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5c22c377baf3 - core::fmt::write::h1866771663f62b81 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/fmt/mod.rs:1189:21 [INFO] [stdout] 6: 0x5c22c3752b13 - std::io::Write::write_fmt::h2df399c9fb8c6039 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/io/mod.rs:1884:15 [INFO] [stdout] 7: 0x5c22c37557d2 - std::sys::backtrace::BacktraceLock::print::hddd3a9918ce29aa7 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5c22c3756e0d - std::panicking::default_hook::{{closure}}::h791f75256b902d7d [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x5c22c3756c17 - std::panicking::default_hook::h82cc572fcb0d8cd7 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x5c22c34fc367 - as core::ops::function::Fn>::call::h47f4385e5c05a6bc [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1986:9 [INFO] [stdout] 11: 0x5c22c34fc367 - test::test_main::{{closure}}::h592b6187ee9bbe51 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x5c22c37574b8 - as core::ops::function::Fn>::call::h80408f032954f187 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1986:9 [INFO] [stdout] 13: 0x5c22c37574b8 - std::panicking::rust_panic_with_hook::he21644cc2707f2c4 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x5c22c375727a - std::panicking::begin_panic_handler::{{closure}}::h42f7c414fed3cad9 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5c22c3755e69 - std::sys::backtrace::__rust_end_short_backtrace::ha26cf5766b4e8c65 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x5c22c3756f0c - rust_begin_unwind [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5c22c34b1230 - core::panicking::panic_fmt::h74866b78e934b1c0 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/panicking.rs:76:14 [INFO] [stdout] 18: 0x5c22c34b16b6 - core::result::unwrap_failed::h899ed7ab2ccb8159 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/result.rs:1699:5 [INFO] [stdout] 19: 0x5c22c34bc3ba - core::result::Result::unwrap::he6f61d6d555fffa6 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x5c22c34bc3ba - rustlings::exercise::test::test_clean::h39fc06c52a80980d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x5c22c34bc2f7 - rustlings::exercise::test::test_clean::{{closure}}::h87bb2b4364749776 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x5c22c34b99f6 - core::ops::function::FnOnce::call_once::h2c521f6209d3299b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5c22c3500f1b - core::ops::function::FnOnce::call_once::h2f54be8ccda9ff77 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5c22c3500f1b - test::__rust_begin_short_backtrace::h505f4667df5bf10c [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x5c22c3500878 - test::run_test_in_process::{{closure}}::h5ed3028e6069c117 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x5c22c3500878 - as core::ops::function::FnOnce<()>>::call_once::hbf705be6aea7c287 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5c22c3500878 - std::panicking::try::do_call::h555223a41631f02b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5c22c3500878 - std::panicking::try::he81e496d432108c4 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x5c22c3500878 - std::panic::catch_unwind::hb2ff356e76867b52 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5c22c3500878 - test::run_test_in_process::h665bcd2e01d69f5b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x5c22c3500878 - test::run_test::{{closure}}::ha58fbc9c79c6786d [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x5c22c34c431a - test::run_test::{{closure}}::h958602d5fcb1d647 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x5c22c34c431a - std::sys::backtrace::__rust_begin_short_backtrace::h7ca2fb16f64faa0f [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x5c22c34c7bd4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hebe77fbe87ddae61 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/thread/mod.rs:561:17 [INFO] [stdout] 35: 0x5c22c34c7bd4 - as core::ops::function::FnOnce<()>>::call_once::h5e26d6a69f85d1d6 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5c22c34c7bd4 - std::panicking::try::do_call::h9787fac579f00884 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5c22c34c7bd4 - std::panicking::try::h788012b555fbd7c5 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x5c22c34c7bd4 - std::panic::catch_unwind::hd194f26f99a98fb5 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5c22c34c7bd4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h31c0dcba34ed449c [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/thread/mod.rs:559:30 [INFO] [stdout] 40: 0x5c22c34c7bd4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h60302d9c688101a6 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5c22c375b5db - as core::ops::function::FnOnce>::call_once::h9578f6ea1d4e1c4b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1972:9 [INFO] [stdout] 42: 0x5c22c375b5db - as core::ops::function::FnOnce>::call_once::hf4a2f438d8019348 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1972:9 [INFO] [stdout] 43: 0x5c22c375b5db - std::sys::pal::unix::thread::Thread::new::thread_start::h14f1eb868ff90fc9 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7e868f007ac3 - [INFO] [stdout] 45: 0x7e868f098a04 - 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/./rmetax5Ic0J\"\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: 0x5c22c375598a - std::backtrace_rs::backtrace::libunwind::trace::hfe0e1def394da018 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5c22c375598a - std::backtrace_rs::backtrace::trace_unsynchronized::h96fbb6d117554616 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5c22c375598a - std::sys::backtrace::_print_fmt::he1169c6f8956325b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5c22c375598a - ::fmt::ha4a311b32f6b4ad8 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5c22c377baf3 - core::fmt::rt::Argument::fmt::h8ccd2627d2418ed3 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5c22c377baf3 - core::fmt::write::h1866771663f62b81 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/fmt/mod.rs:1189:21 [INFO] [stdout] 6: 0x5c22c3752b13 - std::io::Write::write_fmt::h2df399c9fb8c6039 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/io/mod.rs:1884:15 [INFO] [stdout] 7: 0x5c22c37557d2 - std::sys::backtrace::BacktraceLock::print::hddd3a9918ce29aa7 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5c22c3756e0d - std::panicking::default_hook::{{closure}}::h791f75256b902d7d [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x5c22c3756c17 - std::panicking::default_hook::h82cc572fcb0d8cd7 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x5c22c34fc367 - as core::ops::function::Fn>::call::h47f4385e5c05a6bc [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1986:9 [INFO] [stdout] 11: 0x5c22c34fc367 - test::test_main::{{closure}}::h592b6187ee9bbe51 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x5c22c37574b8 - as core::ops::function::Fn>::call::h80408f032954f187 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1986:9 [INFO] [stdout] 13: 0x5c22c37574b8 - std::panicking::rust_panic_with_hook::he21644cc2707f2c4 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x5c22c375727a - std::panicking::begin_panic_handler::{{closure}}::h42f7c414fed3cad9 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5c22c3755e69 - std::sys::backtrace::__rust_end_short_backtrace::ha26cf5766b4e8c65 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x5c22c3756f0c - rust_begin_unwind [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5c22c34b1230 - core::panicking::panic_fmt::h74866b78e934b1c0 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/panicking.rs:76:14 [INFO] [stdout] 18: 0x5c22c34b16b6 - core::result::unwrap_failed::h899ed7ab2ccb8159 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/result.rs:1699:5 [INFO] [stdout] 19: 0x5c22c34bd21a - core::result::Result::unwrap::h338ce31bd784419d [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x5c22c34bd21a - rustlings::exercise::test::test_exercise_with_output::hc593f89b6793da9a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x5c22c34bd027 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h3f51cac399264877 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x5c22c34b9ae6 - core::ops::function::FnOnce::call_once::hd773f39ae1c85230 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5c22c3500f1b - core::ops::function::FnOnce::call_once::h2f54be8ccda9ff77 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5c22c3500f1b - test::__rust_begin_short_backtrace::h505f4667df5bf10c [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x5c22c3500878 - test::run_test_in_process::{{closure}}::h5ed3028e6069c117 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x5c22c3500878 - as core::ops::function::FnOnce<()>>::call_once::hbf705be6aea7c287 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5c22c3500878 - std::panicking::try::do_call::h555223a41631f02b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5c22c3500878 - std::panicking::try::he81e496d432108c4 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x5c22c3500878 - std::panic::catch_unwind::hb2ff356e76867b52 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5c22c3500878 - test::run_test_in_process::h665bcd2e01d69f5b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x5c22c3500878 - test::run_test::{{closure}}::ha58fbc9c79c6786d [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x5c22c34c431a - test::run_test::{{closure}}::h958602d5fcb1d647 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x5c22c34c431a - std::sys::backtrace::__rust_begin_short_backtrace::h7ca2fb16f64faa0f [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x5c22c34c7bd4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hebe77fbe87ddae61 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/thread/mod.rs:561:17 [INFO] [stdout] 35: 0x5c22c34c7bd4 - as core::ops::function::FnOnce<()>>::call_once::h5e26d6a69f85d1d6 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5c22c34c7bd4 - std::panicking::try::do_call::h9787fac579f00884 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5c22c34c7bd4 - std::panicking::try::h788012b555fbd7c5 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x5c22c34c7bd4 - std::panic::catch_unwind::hd194f26f99a98fb5 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5c22c34c7bd4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h31c0dcba34ed449c [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/thread/mod.rs:559:30 [INFO] [stdout] 40: 0x5c22c34c7bd4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h60302d9c688101a6 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5c22c375b5db - as core::ops::function::FnOnce>::call_once::h9578f6ea1d4e1c4b [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1972:9 [INFO] [stdout] 42: 0x5c22c375b5db - as core::ops::function::FnOnce>::call_once::hf4a2f438d8019348 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/alloc/src/boxed.rs:1972:9 [INFO] [stdout] 43: 0x5c22c375b5db - std::sys::pal::unix::thread::Thread::new::thread_start::h14f1eb868ff90fc9 [INFO] [stdout] at /rustc/9fc6b43126469e3858e2fe86cafb4f0fd5068869/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7e868f007ac3 - [INFO] [stdout] 45: 0x7e868f098a04 - 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 0.17s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "af5cc5218e492285ba97d024eab0b03357a706ae41126cc386990b8f2812fb5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af5cc5218e492285ba97d024eab0b03357a706ae41126cc386990b8f2812fb5f", kill_on_drop: false }` [INFO] [stdout] af5cc5218e492285ba97d024eab0b03357a706ae41126cc386990b8f2812fb5f