[INFO] cloning repository https://github.com/domanteli0/rustlings-attempt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domanteli0/rustlings-attempt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomanteli0%2Frustlings-attempt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomanteli0%2Frustlings-attempt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 84a9654e25c261fc982568081b1dbd349fed6e7a [INFO] testing domanteli0/rustlings-attempt/84a9654e25c261fc982568081b1dbd349fed6e7a against beta-2024-10-19 for beta-1.83-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomanteli0%2Frustlings-attempt" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/domanteli0/rustlings-attempt on toolchain beta-2024-10-19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-10-19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/domanteli0/rustlings-attempt [INFO] finished tweaking git repo https://github.com/domanteli0/rustlings-attempt [INFO] tweaked toml for git repo https://github.com/domanteli0/rustlings-attempt written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/domanteli0/rustlings-attempt 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-2024-10-19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding either v1.13.0 [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bb16be61a67f61366b23c464789dbea94e2d692074556b8c9cd6fe7c11b3274 [INFO] running `Command { std: "docker" "start" "-a" "5bb16be61a67f61366b23c464789dbea94e2d692074556b8c9cd6fe7c11b3274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bb16be61a67f61366b23c464789dbea94e2d692074556b8c9cd6fe7c11b3274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb16be61a67f61366b23c464789dbea94e2d692074556b8c9cd6fe7c11b3274", kill_on_drop: false }` [INFO] [stdout] 5bb16be61a67f61366b23c464789dbea94e2d692074556b8c9cd6fe7c11b3274 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 659f37ebd8ba39e879d35ec30b34ec458595a7948eeaa2692d72070cafc0e290 [INFO] running `Command { std: "docker" "start" "-a" "659f37ebd8ba39e879d35ec30b34ec458595a7948eeaa2692d72070cafc0e290", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling rustlings v5.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.91s [INFO] running `Command { std: "docker" "inspect" "659f37ebd8ba39e879d35ec30b34ec458595a7948eeaa2692d72070cafc0e290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "659f37ebd8ba39e879d35ec30b34ec458595a7948eeaa2692d72070cafc0e290", kill_on_drop: false }` [INFO] [stdout] 659f37ebd8ba39e879d35ec30b34ec458595a7948eeaa2692d72070cafc0e290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9ae693b26ef74368e62aa0b6df0679e890b989785dab2603db58dafe6a352dc [INFO] running `Command { std: "docker" "start" "-a" "a9ae693b26ef74368e62aa0b6df0679e890b989785dab2603db58dafe6a352dc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.14 [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 v5.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.46s [INFO] running `Command { std: "docker" "inspect" "a9ae693b26ef74368e62aa0b6df0679e890b989785dab2603db58dafe6a352dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9ae693b26ef74368e62aa0b6df0679e890b989785dab2603db58dafe6a352dc", kill_on_drop: false }` [INFO] [stdout] a9ae693b26ef74368e62aa0b6df0679e890b989785dab2603db58dafe6a352dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 198c429bc5fe3b2899e8945ff1465b6f5be9bcdb4470530548f6b065efc217bf [INFO] running `Command { std: "docker" "start" "-a" "198c429bc5fe3b2899e8945ff1465b6f5be9bcdb4470530548f6b065efc217bf", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-25315acdf0d496ed) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... 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] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:273:36: [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: 0x5995aae3384a - std::backtrace_rs::backtrace::libunwind::trace::h4d70d1fc3f387ba0 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5995aae3384a - std::backtrace_rs::backtrace::trace_unsynchronized::h36ec8598f89aa10d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5995aae3384a - std::sys::backtrace::_print_fmt::h28554e34eddafd0e [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5995aae3384a - ::fmt::hcfddd6c618da2362 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5995aae58eb3 - core::fmt::rt::Argument::fmt::h61c6663ef797a8d8 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5995aae58eb3 - core::fmt::write::hd107f06dbaee3bcd [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/fmt/mod.rs:1186:21 [INFO] [stdout] 6: 0x5995aae30b33 - std::io::Write::write_fmt::he91cdb71d5735485 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/io/mod.rs:1839:15 [INFO] [stdout] 7: 0x5995aae33692 - std::sys::backtrace::BacktraceLock::print::h0aaa3c788fc54962 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5995aae34caa - std::panicking::default_hook::{{closure}}::ha21be3bf10424d59 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x5995aae34ab4 - std::panicking::default_hook::h7c625ca31e6655f8 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x5995aacc6f59 - as core::ops::function::Fn>::call::h27e62728b51ac345 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 11: 0x5995aacc6f59 - test::test_main::{{closure}}::hbed48e9da271eb2d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:133:21 [INFO] [stdout] 12: 0x5995aae35348 - as core::ops::function::Fn>::call::hd23f1b4f57a7d85e [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 13: 0x5995aae35348 - std::panicking::rust_panic_with_hook::h4dfaea2b0d4c7530 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x5995aae3510a - std::panicking::begin_panic_handler::{{closure}}::hb745add2af2f30cf [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5995aae33d29 - std::sys::backtrace::__rust_end_short_backtrace::h06673da104b2a94d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x5995aae34d9c - rust_begin_unwind [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5995aac7f180 - core::panicking::panic_fmt::h7e8d81c8d715d530 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x5995aac7f606 - core::result::unwrap_failed::hd3788f9453624d5e [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/result.rs:1700:5 [INFO] [stdout] 19: 0x5995aac8958a - core::result::Result::unwrap::hdb0d645849dcad6f [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x5995aac8958a - rustlings::exercise::test::test_clean::h6fd3a4f96e685d06 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:273:9 [INFO] [stdout] 21: 0x5995aac894c7 - rustlings::exercise::test::test_clean::{{closure}}::hd73946f305d70e28 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:272:20 [INFO] [stdout] 22: 0x5995aac81306 - core::ops::function::FnOnce::call_once::hc51772c6b00933ab [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5995aaccb84b - core::ops::function::FnOnce::call_once::h5ce2090d0ba06760 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5995aaccb84b - test::__rust_begin_short_backtrace::h49e973657dd86077 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:621:18 [INFO] [stdout] 25: 0x5995aaccb117 - test::run_test_in_process::{{closure}}::hb4c111032eacbf3c [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:644:60 [INFO] [stdout] 26: 0x5995aaccb117 - as core::ops::function::FnOnce<()>>::call_once::hc84870afebfce019 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5995aaccb117 - std::panicking::try::do_call::hce598b5d1a04cf08 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5995aaccb117 - std::panicking::try::h25a7aea9d63b441f [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x5995aaccb117 - std::panic::catch_unwind::h4b12b06a11af50d2 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5995aaccb117 - test::run_test_in_process::hd69883821bd30381 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:644:27 [INFO] [stdout] 31: 0x5995aaccb117 - test::run_test::{{closure}}::he160a756db6d8677 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:565:43 [INFO] [stdout] 32: 0x5995aac90344 - test::run_test::{{closure}}::h2e90a3191e3e0ce0 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:595:41 [INFO] [stdout] 33: 0x5995aac90344 - std::sys::backtrace::__rust_begin_short_backtrace::he01c960b1833637c [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x5995aac93aae - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h30b75746266698d7 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x5995aac93aae - as core::ops::function::FnOnce<()>>::call_once::h6a5dff2677e9a6c5 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5995aac93aae - std::panicking::try::do_call::h5e069e9a53dd16f8 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5995aac93aae - std::panicking::try::h0f789115e2be34bc [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x5995aac93aae - std::panic::catch_unwind::h5caa505f99ba7d23 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5995aac93aae - std::thread::Builder::spawn_unchecked_::{{closure}}::ha405b857d4a0e18b [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x5995aac93aae - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd3c96c07e3187855 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5995aae3926b - as core::ops::function::FnOnce>::call_once::hfe31dd51cc8f40d6 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 42: 0x5995aae3926b - as core::ops::function::FnOnce>::call_once::h424186ab2917e76f [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 43: 0x5995aae3926b - std::sys::pal::unix::thread::Thread::new::thread_start::h5bbddfcb1fc1838d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7b7afcd88ac3 - [INFO] [stdout] 45: 0x7b7afce19a04 - 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:346:38: [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/./rmetaLXCtAk\"\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: 0x5995aae3384a - std::backtrace_rs::backtrace::libunwind::trace::h4d70d1fc3f387ba0 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5995aae3384a - std::backtrace_rs::backtrace::trace_unsynchronized::h36ec8598f89aa10d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5995aae3384a - std::sys::backtrace::_print_fmt::h28554e34eddafd0e [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5995aae3384a - ::fmt::hcfddd6c618da2362 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5995aae58eb3 - core::fmt::rt::Argument::fmt::h61c6663ef797a8d8 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5995aae58eb3 - core::fmt::write::hd107f06dbaee3bcd [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/fmt/mod.rs:1186:21 [INFO] [stdout] 6: 0x5995aae30b33 - std::io::Write::write_fmt::he91cdb71d5735485 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/io/mod.rs:1839:15 [INFO] [stdout] 7: 0x5995aae33692 - std::sys::backtrace::BacktraceLock::print::h0aaa3c788fc54962 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5995aae34caa - std::panicking::default_hook::{{closure}}::ha21be3bf10424d59 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x5995aae34ab4 - std::panicking::default_hook::h7c625ca31e6655f8 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x5995aacc6f59 - as core::ops::function::Fn>::call::h27e62728b51ac345 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 11: 0x5995aacc6f59 - test::test_main::{{closure}}::hbed48e9da271eb2d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:133:21 [INFO] [stdout] 12: 0x5995aae35348 - as core::ops::function::Fn>::call::hd23f1b4f57a7d85e [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 13: 0x5995aae35348 - std::panicking::rust_panic_with_hook::h4dfaea2b0d4c7530 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x5995aae3510a - std::panicking::begin_panic_handler::{{closure}}::hb745add2af2f30cf [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5995aae33d29 - std::sys::backtrace::__rust_end_short_backtrace::h06673da104b2a94d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x5995aae34d9c - rust_begin_unwind [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5995aac7f180 - core::panicking::panic_fmt::h7e8d81c8d715d530 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x5995aac7f606 - core::result::unwrap_failed::hd3788f9453624d5e [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/result.rs:1700:5 [INFO] [stdout] 19: 0x5995aac8a3ea - core::result::Result::unwrap::he1a9d73576e4e9c0 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x5995aac8a3ea - rustlings::exercise::test::test_exercise_with_output::hf083237b8282e351 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:346:19 [INFO] [stdout] 21: 0x5995aac8a1f7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h99ede93ef043be53 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:339:35 [INFO] [stdout] 22: 0x5995aac81346 - core::ops::function::FnOnce::call_once::hf6228c3e68503f56 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5995aaccb84b - core::ops::function::FnOnce::call_once::h5ce2090d0ba06760 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5995aaccb84b - test::__rust_begin_short_backtrace::h49e973657dd86077 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:621:18 [INFO] [stdout] 25: 0x5995aaccb117 - test::run_test_in_process::{{closure}}::hb4c111032eacbf3c [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:644:60 [INFO] [stdout] 26: 0x5995aaccb117 - as core::ops::function::FnOnce<()>>::call_once::hc84870afebfce019 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5995aaccb117 - std::panicking::try::do_call::hce598b5d1a04cf08 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5995aaccb117 - std::panicking::try::h25a7aea9d63b441f [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x5995aaccb117 - std::panic::catch_unwind::h4b12b06a11af50d2 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5995aaccb117 - test::run_test_in_process::hd69883821bd30381 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:644:27 [INFO] [stdout] 31: 0x5995aaccb117 - test::run_test::{{closure}}::he160a756db6d8677 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:565:43 [INFO] [stdout] 32: 0x5995aac90344 - test::run_test::{{closure}}::h2e90a3191e3e0ce0 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/test/src/lib.rs:595:41 [INFO] [stdout] 33: 0x5995aac90344 - std::sys::backtrace::__rust_begin_short_backtrace::he01c960b1833637c [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x5995aac93aae - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h30b75746266698d7 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x5995aac93aae - as core::ops::function::FnOnce<()>>::call_once::h6a5dff2677e9a6c5 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5995aac93aae - std::panicking::try::do_call::h5e069e9a53dd16f8 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5995aac93aae - std::panicking::try::h0f789115e2be34bc [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x5995aac93aae - std::panic::catch_unwind::h5caa505f99ba7d23 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5995aac93aae - std::thread::Builder::spawn_unchecked_::{{closure}}::ha405b857d4a0e18b [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x5995aac93aae - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd3c96c07e3187855 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5995aae3926b - as core::ops::function::FnOnce>::call_once::hfe31dd51cc8f40d6 [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 42: 0x5995aae3926b - as core::ops::function::FnOnce>::call_once::h424186ab2917e76f [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 43: 0x5995aae3926b - std::sys::pal::unix::thread::Thread::new::thread_start::h5bbddfcb1fc1838d [INFO] [stdout] at /rustc/88c1c3c1102bbf3860891bfa52b7ddd9f26aec2f/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7b7afcd88ac3 - [INFO] [stdout] 45: 0x7b7afce19a04 - 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 0.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "198c429bc5fe3b2899e8945ff1465b6f5be9bcdb4470530548f6b065efc217bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "198c429bc5fe3b2899e8945ff1465b6f5be9bcdb4470530548f6b065efc217bf", kill_on_drop: false }` [INFO] [stdout] 198c429bc5fe3b2899e8945ff1465b6f5be9bcdb4470530548f6b065efc217bf