[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-gantmanlook [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-gantmanlook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-gantmanlook", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-gantmanlook'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db9bd1835af546a5562b98e7db5cd235da4d6388 [INFO] testing LearningOS/rust-rustlings-2023-autumn-gantmanlook/db9bd1835af546a5562b98e7db5cd235da4d6388 against master#8dd5cd0bc1d683c30805e1dc831cac546b621a75 for pr-131095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-gantmanlook" "/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-gantmanlook on toolchain 8dd5cd0bc1d683c30805e1dc831cac546b621a75 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-gantmanlook [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-gantmanlook [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-gantmanlook written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-gantmanlook 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" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90ea27e25617b5ef66f2519f16bdb0d4147ed588076df57c5123e54c2e78b4b6 [INFO] running `Command { std: "docker" "start" "-a" "90ea27e25617b5ef66f2519f16bdb0d4147ed588076df57c5123e54c2e78b4b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90ea27e25617b5ef66f2519f16bdb0d4147ed588076df57c5123e54c2e78b4b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90ea27e25617b5ef66f2519f16bdb0d4147ed588076df57c5123e54c2e78b4b6", kill_on_drop: false }` [INFO] [stdout] 90ea27e25617b5ef66f2519f16bdb0d4147ed588076df57c5123e54c2e78b4b6 [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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41480a71e9b6b01992e21cd7425fe13db1ac036c2773b44dd353d6c067cdfc74 [INFO] running `Command { std: "docker" "start" "-a" "41480a71e9b6b01992e21cd7425fe13db1ac036c2773b44dd353d6c067cdfc74", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [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 cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.171 [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 smallvec v1.11.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.19 [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 serde_json v1.0.102 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling unicode-width v0.1.10 [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 bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling filetime v0.2.21 [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 notify v4.0.17 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [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 regex v1.9.1 [INFO] [stderr] Compiling argh v0.1.10 [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 14.63s [INFO] running `Command { std: "docker" "inspect" "41480a71e9b6b01992e21cd7425fe13db1ac036c2773b44dd353d6c067cdfc74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41480a71e9b6b01992e21cd7425fe13db1ac036c2773b44dd353d6c067cdfc74", kill_on_drop: false }` [INFO] [stdout] 41480a71e9b6b01992e21cd7425fe13db1ac036c2773b44dd353d6c067cdfc74 [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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb2799889aa388e41642ecd1f2c8a35d651cfb1b9c091d7d7ebb1fd750bf2ad1 [INFO] running `Command { std: "docker" "start" "-a" "fb2799889aa388e41642ecd1f2c8a35d651cfb1b9c091d7d7ebb1fd750bf2ad1", 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 difference v2.0.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [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 3.38s [INFO] running `Command { std: "docker" "inspect" "fb2799889aa388e41642ecd1f2c8a35d651cfb1b9c091d7d7ebb1fd750bf2ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb2799889aa388e41642ecd1f2c8a35d651cfb1b9c091d7d7ebb1fd750bf2ad1", kill_on_drop: false }` [INFO] [stdout] fb2799889aa388e41642ecd1f2c8a35d651cfb1b9c091d7d7ebb1fd750bf2ad1 [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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+8dd5cd0bc1d683c30805e1dc831cac546b621a75" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4fcbb18a8899fa1145cbce81e17e5d90c3711e36177df4306234408fb7c04705 [INFO] running `Command { std: "docker" "start" "-a" "4fcbb18a8899fa1145cbce81e17e5d90c3711e36177df4306234408fb7c04705", 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-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: 0x57cb224f79ea - std::backtrace_rs::backtrace::libunwind::trace::h4606d48448b1ba77 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x57cb224f79ea - std::backtrace_rs::backtrace::trace_unsynchronized::hd9bd2bb6e9a5ca01 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x57cb224f79ea - std::sys::backtrace::_print_fmt::hdd04e848d43c106c [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57cb224f79ea - ::fmt::h7ca37f77f5669bbb [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57cb2251eb53 - core::fmt::rt::Argument::fmt::h202d1bbf85d5376b [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x57cb2251eb53 - core::fmt::write::hf6c48d06494bcc1f [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/fmt/mod.rs:1186:21 [INFO] [stdout] 6: 0x57cb224f44f3 - std::io::Write::write_fmt::hf71930c5482cea2d [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/io/mod.rs:1839:15 [INFO] [stdout] 7: 0x57cb224f7832 - std::sys::backtrace::BacktraceLock::print::h4fd7b6937dad2848 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x57cb224f8e95 - std::panicking::default_hook::{{closure}}::h81ede4c82147d06d [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x57cb224f8c88 - std::panicking::default_hook::ha7df733aab36abc9 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x57cb222a3409 - as core::ops::function::Fn>::call::h8723004080371ace [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 11: 0x57cb222a3409 - test::test_main::{{closure}}::hb2d7a9506f895eb0 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:133:21 [INFO] [stdout] 12: 0x57cb224f9598 - as core::ops::function::Fn>::call::hc4de322c6ef0c448 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 13: 0x57cb224f9598 - std::panicking::rust_panic_with_hook::he529f18a2afb0885 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x57cb224f935a - std::panicking::begin_panic_handler::{{closure}}::h739bd0d906f8ef30 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x57cb224f7ec9 - std::sys::backtrace::__rust_end_short_backtrace::hfa4f64fbe99f5f4f [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x57cb224f8fec - rust_begin_unwind [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x57cb2251d180 - core::panicking::panic_fmt::h72a1f70d82e35259 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x57cb2251d606 - core::result::unwrap_failed::ha90c3701e3888ae8 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/result.rs:1695:5 [INFO] [stdout] 19: 0x57cb222606ca - core::result::Result::unwrap::he7bde49541568ade [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/result.rs:1103:23 [INFO] [stdout] 20: 0x57cb222606ca - rustlings::exercise::test::test_clean::hc959990104ea7c86 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x57cb22260607 - rustlings::exercise::test::test_clean::{{closure}}::hbd9967d5bacd139d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x57cb2225d776 - core::ops::function::FnOnce::call_once::hb1460e9ac3dafb6b [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x57cb222a7d1b - core::ops::function::FnOnce::call_once::hb48403f420dede38 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x57cb222a7d1b - test::__rust_begin_short_backtrace::hca659a7390f465ee [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:621:18 [INFO] [stdout] 25: 0x57cb222a75b8 - test::run_test_in_process::{{closure}}::h01956df2bd7ee648 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:644:60 [INFO] [stdout] 26: 0x57cb222a75b8 - as core::ops::function::FnOnce<()>>::call_once::h3b157690a36c8c0a [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x57cb222a75b8 - std::panicking::try::do_call::he83a1a39d0e2baca [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x57cb222a75b8 - std::panicking::try::hd0b080c349aae41d [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x57cb222a75b8 - std::panic::catch_unwind::h2b925a7b0559e252 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x57cb222a75b8 - test::run_test_in_process::hca3ea2f2aba5ff00 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:644:27 [INFO] [stdout] 31: 0x57cb222a75b8 - test::run_test::{{closure}}::h1b13df62079d3fc4 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:565:43 [INFO] [stdout] 32: 0x57cb2226b7e4 - test::run_test::{{closure}}::h6a9d8b37006e1424 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:595:41 [INFO] [stdout] 33: 0x57cb2226b7e4 - std::sys::backtrace::__rust_begin_short_backtrace::hf3ca9f8b9c9112b1 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x57cb2226ee92 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcb9ba1ad6c81ed54 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/thread/mod.rs:521:17 [INFO] [stdout] 35: 0x57cb2226ee92 - as core::ops::function::FnOnce<()>>::call_once::hd8ef8a8144f33917 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x57cb2226ee92 - std::panicking::try::do_call::hb603bd1a792b0a0c [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x57cb2226ee92 - std::panicking::try::hc55d1ad1dd118be8 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x57cb2226ee92 - std::panic::catch_unwind::hba2d4da5f2ddd6c8 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x57cb2226ee92 - std::thread::Builder::spawn_unchecked_::{{closure}}::hcb67e15a3f8d8d57 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/thread/mod.rs:520:30 [INFO] [stdout] 40: 0x57cb2226ee92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h272bd022d3f6f9a0 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x57cb224fd4db - as core::ops::function::FnOnce>::call_once::h879ed15e79645e60 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 42: 0x57cb224fd4db - as core::ops::function::FnOnce>::call_once::h523a9a8eaa227d84 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 43: 0x57cb224fd4db - std::sys::pal::unix::thread::Thread::new::thread_start::h6827be62cf511abb [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x734d21144ac3 - [INFO] [stdout] 45: 0x734d211d5a04 - 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/./rmetaprWQCJ\"\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: 0x57cb224f79ea - std::backtrace_rs::backtrace::libunwind::trace::h4606d48448b1ba77 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x57cb224f79ea - std::backtrace_rs::backtrace::trace_unsynchronized::hd9bd2bb6e9a5ca01 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x57cb224f79ea - std::sys::backtrace::_print_fmt::hdd04e848d43c106c [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57cb224f79ea - ::fmt::h7ca37f77f5669bbb [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57cb2251eb53 - core::fmt::rt::Argument::fmt::h202d1bbf85d5376b [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x57cb2251eb53 - core::fmt::write::hf6c48d06494bcc1f [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/fmt/mod.rs:1186:21 [INFO] [stdout] 6: 0x57cb224f44f3 - std::io::Write::write_fmt::hf71930c5482cea2d [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/io/mod.rs:1839:15 [INFO] [stdout] 7: 0x57cb224f7832 - std::sys::backtrace::BacktraceLock::print::h4fd7b6937dad2848 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x57cb224f8e95 - std::panicking::default_hook::{{closure}}::h81ede4c82147d06d [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x57cb224f8c88 - std::panicking::default_hook::ha7df733aab36abc9 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x57cb222a3409 - as core::ops::function::Fn>::call::h8723004080371ace [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 11: 0x57cb222a3409 - test::test_main::{{closure}}::hb2d7a9506f895eb0 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:133:21 [INFO] [stdout] 12: 0x57cb224f9598 - as core::ops::function::Fn>::call::hc4de322c6ef0c448 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 13: 0x57cb224f9598 - std::panicking::rust_panic_with_hook::he529f18a2afb0885 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x57cb224f935a - std::panicking::begin_panic_handler::{{closure}}::h739bd0d906f8ef30 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x57cb224f7ec9 - std::sys::backtrace::__rust_end_short_backtrace::hfa4f64fbe99f5f4f [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x57cb224f8fec - rust_begin_unwind [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x57cb2251d180 - core::panicking::panic_fmt::h72a1f70d82e35259 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x57cb2251d606 - core::result::unwrap_failed::ha90c3701e3888ae8 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/result.rs:1695:5 [INFO] [stdout] 19: 0x57cb2226152a - core::result::Result::unwrap::heb581d4c06122795 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/result.rs:1103:23 [INFO] [stdout] 20: 0x57cb2226152a - rustlings::exercise::test::test_exercise_with_output::h08339025c35b542e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x57cb22261337 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h43d215f5c7e4bf55 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x57cb2225d7d6 - core::ops::function::FnOnce::call_once::he0557d64d43e46ae [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x57cb222a7d1b - core::ops::function::FnOnce::call_once::hb48403f420dede38 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x57cb222a7d1b - test::__rust_begin_short_backtrace::hca659a7390f465ee [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:621:18 [INFO] [stdout] 25: 0x57cb222a75b8 - test::run_test_in_process::{{closure}}::h01956df2bd7ee648 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:644:60 [INFO] [stdout] 26: 0x57cb222a75b8 - as core::ops::function::FnOnce<()>>::call_once::h3b157690a36c8c0a [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x57cb222a75b8 - std::panicking::try::do_call::he83a1a39d0e2baca [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x57cb222a75b8 - std::panicking::try::hd0b080c349aae41d [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x57cb222a75b8 - std::panic::catch_unwind::h2b925a7b0559e252 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x57cb222a75b8 - test::run_test_in_process::hca3ea2f2aba5ff00 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:644:27 [INFO] [stdout] 31: 0x57cb222a75b8 - test::run_test::{{closure}}::h1b13df62079d3fc4 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:565:43 [INFO] [stdout] 32: 0x57cb2226b7e4 - test::run_test::{{closure}}::h6a9d8b37006e1424 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/test/src/lib.rs:595:41 [INFO] [stdout] 33: 0x57cb2226b7e4 - std::sys::backtrace::__rust_begin_short_backtrace::hf3ca9f8b9c9112b1 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x57cb2226ee92 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcb9ba1ad6c81ed54 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/thread/mod.rs:521:17 [INFO] [stdout] 35: 0x57cb2226ee92 - as core::ops::function::FnOnce<()>>::call_once::hd8ef8a8144f33917 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x57cb2226ee92 - std::panicking::try::do_call::hb603bd1a792b0a0c [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x57cb2226ee92 - std::panicking::try::hc55d1ad1dd118be8 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x57cb2226ee92 - std::panic::catch_unwind::hba2d4da5f2ddd6c8 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x57cb2226ee92 - std::thread::Builder::spawn_unchecked_::{{closure}}::hcb67e15a3f8d8d57 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/thread/mod.rs:520:30 [INFO] [stdout] 40: 0x57cb2226ee92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h272bd022d3f6f9a0 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x57cb224fd4db - as core::ops::function::FnOnce>::call_once::h879ed15e79645e60 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 42: 0x57cb224fd4db - as core::ops::function::FnOnce>::call_once::h523a9a8eaa227d84 [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 43: 0x57cb224fd4db - std::sys::pal::unix::thread::Thread::new::thread_start::h6827be62cf511abb [INFO] [stdout] at /rustc/8dd5cd0bc1d683c30805e1dc831cac546b621a75/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x734d21144ac3 - [INFO] [stdout] 45: 0x734d211d5a04 - 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 0.05s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "4fcbb18a8899fa1145cbce81e17e5d90c3711e36177df4306234408fb7c04705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fcbb18a8899fa1145cbce81e17e5d90c3711e36177df4306234408fb7c04705", kill_on_drop: false }` [INFO] [stdout] 4fcbb18a8899fa1145cbce81e17e5d90c3711e36177df4306234408fb7c04705