[INFO] cloning repository https://github.com/LearningOS/learn_rust_rustlings-meininghang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/learn_rust_rustlings-meininghang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-meininghang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-meininghang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 26bfd1cb55828ce32448c767059259d9b31e08fe [INFO] testing LearningOS/learn_rust_rustlings-meininghang against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-meininghang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang on toolchain nightly-2025-01-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing LearningOS/learn_rust_rustlings-meininghang against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-meininghang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang on toolchain nightly-2025-01-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-meininghang 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9e1238b83015b6ec25a0f6b5c5f837520c37ee9372658c0c538117820b01008 [INFO] running `Command { std: "docker" "start" "-a" "f9e1238b83015b6ec25a0f6b5c5f837520c37ee9372658c0c538117820b01008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9e1238b83015b6ec25a0f6b5c5f837520c37ee9372658c0c538117820b01008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9e1238b83015b6ec25a0f6b5c5f837520c37ee9372658c0c538117820b01008", kill_on_drop: false }` [INFO] [stdout] f9e1238b83015b6ec25a0f6b5c5f837520c37ee9372658c0c538117820b01008 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27243ff03d4d003fe821bd1eba118cf94145951b083358928493598417a07721 [INFO] running `Command { std: "docker" "start" "-a" "27243ff03d4d003fe821bd1eba118cf94145951b083358928493598417a07721", 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 log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.15.0 [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 v4.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.37s [INFO] running `Command { std: "docker" "inspect" "27243ff03d4d003fe821bd1eba118cf94145951b083358928493598417a07721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27243ff03d4d003fe821bd1eba118cf94145951b083358928493598417a07721", kill_on_drop: false }` [INFO] [stdout] 27243ff03d4d003fe821bd1eba118cf94145951b083358928493598417a07721 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4af9aed1ebd46101eac055409ce6ecdbf27813ee264b310ccd3afe5385da7806 [INFO] running `Command { std: "docker" "start" "-a" "4af9aed1ebd46101eac055409ce6ecdbf27813ee264b310ccd3afe5385da7806", 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 normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [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 v4.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.12s [INFO] running `Command { std: "docker" "inspect" "4af9aed1ebd46101eac055409ce6ecdbf27813ee264b310ccd3afe5385da7806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4af9aed1ebd46101eac055409ce6ecdbf27813ee264b310ccd3afe5385da7806", kill_on_drop: false }` [INFO] [stdout] 4af9aed1ebd46101eac055409ce6ecdbf27813ee264b310ccd3afe5385da7806 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1bb42dbf3baf66e6931920cfdde673d2ae20aeabdbc1cb6ad5e7ce011ef7b472 [INFO] running `Command { std: "docker" "start" "-a" "1bb42dbf3baf66e6931920cfdde673d2ae20aeabdbc1cb6ad5e7ce011ef7b472", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustlings-1d1e81d7a8c537b0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-65e2f13b4904b93e) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:269:36: [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: 0x6198bf75b63a - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x6198bf75b63a - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x6198bf75b63a - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x6198bf75b63a - ::fmt::h71a62eb3b9696b12 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x6198bf7836b3 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x6198bf7836b3 - core::fmt::write::h2cc1698af7e2d686 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x6198bf7580d3 - std::io::Write::write_fmt::hab1b4cd059a79022 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x6198bf75b482 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x6198bf75ca5f - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x6198bf75c878 - std::panicking::default_hook::h20f81eb0576efcec [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x6198bf5f39c3 - as core::ops::function::Fn>::call::hdb53814c496a4d34 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 11: 0x6198bf5f39c3 - test::test_main::{{closure}}::hc0a4963c59427c24 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x6198bf75d553 - as core::ops::function::Fn>::call::h591b2225413a77e9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 13: 0x6198bf75d553 - std::panicking::rust_panic_with_hook::h625eea43051b2edc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x6198bf75d20a - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x6198bf75bb39 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x6198bf75ce9d - rust_begin_unwind [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x6198bf782090 - core::panicking::panic_fmt::h9e7c637e9e5f29c9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x6198bf782506 - core::result::unwrap_failed::h7979f09313fe1849 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x6198bf5ae2ca - core::result::Result::unwrap::h7e26a7b95f33b048 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x6198bf5ae2ca - rustlings::exercise::test::test_clean::h387451b8618f8bf2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:9 [INFO] [stdout] 21: 0x6198bf5ae207 - rustlings::exercise::test::test_clean::{{closure}}::had6362a7f68db5d1 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:268:20 [INFO] [stdout] 22: 0x6198bf5b0356 - core::ops::function::FnOnce::call_once::hdb09ff203ff37ef2 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x6198bf5f911b - core::ops::function::FnOnce::call_once::he27718dfdd183f43 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x6198bf5f911b - test::__rust_begin_short_backtrace::h4e84902998457a5d [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x6198bf5f8053 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x6198bf5f8053 - as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x6198bf5f8053 - std::panicking::try::do_call::h3da0561d9ab99c25 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x6198bf5f8053 - std::panicking::try::h41c9fa508bc61df6 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x6198bf5f8053 - std::panic::catch_unwind::h6b3ff07bb5afad93 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x6198bf5f8053 - test::run_test_in_process::hc7253dd11b39b9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x6198bf5f8053 - test::run_test::{{closure}}::hfb2007f8649c30bb [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x6198bf5bb135 - test::run_test::{{closure}}::h56a17aa7a282a9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x6198bf5bb135 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x6198bf5bea1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x6198bf5bea1a - as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x6198bf5bea1a - std::panicking::try::do_call::h2f73af3616c35465 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x6198bf5bea1a - std::panicking::try::hd1660ce9efadef5a [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x6198bf5bea1a - std::panic::catch_unwind::h5ee8d7823b8ca744 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x6198bf5bea1a - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x6198bf5bea1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x6198bf7616bb - as core::ops::function::FnOnce>::call_once::ha52bedf99a3b4981 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 42: 0x6198bf7616bb - as core::ops::function::FnOnce>::call_once::h567748934d80ccf8 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 43: 0x6198bf7616bb - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x71434747fac3 - [INFO] [stdout] 45: 0x714347510a04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:342:38: [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/./rmetaJdW7c2\"\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: 0x6198bf75b63a - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x6198bf75b63a - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x6198bf75b63a - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x6198bf75b63a - ::fmt::h71a62eb3b9696b12 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x6198bf7836b3 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x6198bf7836b3 - core::fmt::write::h2cc1698af7e2d686 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x6198bf7580d3 - std::io::Write::write_fmt::hab1b4cd059a79022 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x6198bf75b482 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x6198bf75ca5f - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x6198bf75c878 - std::panicking::default_hook::h20f81eb0576efcec [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x6198bf5f39c3 - as core::ops::function::Fn>::call::hdb53814c496a4d34 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 11: 0x6198bf5f39c3 - test::test_main::{{closure}}::hc0a4963c59427c24 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x6198bf75d553 - as core::ops::function::Fn>::call::h591b2225413a77e9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 13: 0x6198bf75d553 - std::panicking::rust_panic_with_hook::h625eea43051b2edc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x6198bf75d20a - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x6198bf75bb39 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x6198bf75ce9d - rust_begin_unwind [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x6198bf782090 - core::panicking::panic_fmt::h9e7c637e9e5f29c9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x6198bf782506 - core::result::unwrap_failed::h7979f09313fe1849 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x6198bf5af13a - core::result::Result::unwrap::h492854cc20759046 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x6198bf5af13a - rustlings::exercise::test::test_exercise_with_output::h496682021ae66cd4 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:342:19 [INFO] [stdout] 21: 0x6198bf5aef47 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h5ec9763edb983ab2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:335:35 [INFO] [stdout] 22: 0x6198bf5b0396 - core::ops::function::FnOnce::call_once::he2470cfac44ed8e3 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x6198bf5f911b - core::ops::function::FnOnce::call_once::he27718dfdd183f43 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x6198bf5f911b - test::__rust_begin_short_backtrace::h4e84902998457a5d [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x6198bf5f8053 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x6198bf5f8053 - as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x6198bf5f8053 - std::panicking::try::do_call::h3da0561d9ab99c25 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x6198bf5f8053 - std::panicking::try::h41c9fa508bc61df6 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x6198bf5f8053 - std::panic::catch_unwind::h6b3ff07bb5afad93 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x6198bf5f8053 - test::run_test_in_process::hc7253dd11b39b9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x6198bf5f8053 - test::run_test::{{closure}}::hfb2007f8649c30bb [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x6198bf5bb135 - test::run_test::{{closure}}::h56a17aa7a282a9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x6198bf5bb135 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x6198bf5bea1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x6198bf5bea1a - as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x6198bf5bea1a - std::panicking::try::do_call::h2f73af3616c35465 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x6198bf5bea1a - std::panicking::try::hd1660ce9efadef5a [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x6198bf5bea1a - std::panic::catch_unwind::h5ee8d7823b8ca744 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x6198bf5bea1a - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x6198bf5bea1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x6198bf7616bb - as core::ops::function::FnOnce>::call_once::ha52bedf99a3b4981 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 42: 0x6198bf7616bb - as core::ops::function::FnOnce>::call_once::h567748934d80ccf8 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 43: 0x6198bf7616bb - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x71434747fac3 - [INFO] [stdout] 45: 0x714347510a04 - 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 0.15s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "1bb42dbf3baf66e6931920cfdde673d2ae20aeabdbc1cb6ad5e7ce011ef7b472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bb42dbf3baf66e6931920cfdde673d2ae20aeabdbc1cb6ad5e7ce011ef7b472", kill_on_drop: false }` [INFO] [stdout] 1bb42dbf3baf66e6931920cfdde673d2ae20aeabdbc1cb6ad5e7ce011ef7b472