[INFO] cloning repository https://github.com/Shubidumdu/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shubidumdu/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubidumdu%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubidumdu%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] edf06e387f264d75c8fdeff2f399793d1dd8e881 [INFO] testing Shubidumdu/rustlings against 1.77.0 for beta-1.78-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubidumdu%2Frustlings" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shubidumdu/rustlings on toolchain 1.77.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shubidumdu/rustlings [INFO] finished tweaking git repo https://github.com/Shubidumdu/rustlings [INFO] tweaked toml for git repo https://github.com/Shubidumdu/rustlings written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Shubidumdu/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing Shubidumdu/rustlings against beta-2024-03-24 for beta-1.78-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubidumdu%2Frustlings" "/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/Shubidumdu/rustlings on toolchain beta-2024-03-24 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shubidumdu/rustlings [INFO] finished tweaking git repo https://github.com/Shubidumdu/rustlings [INFO] tweaked toml for git repo https://github.com/Shubidumdu/rustlings written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Shubidumdu/rustlings 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-2024-03-24" "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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f51b5ee9eae5d6a9374a36cf003800f1f0249cd6c86ec033f7fec770a048526 [INFO] running `Command { std: "docker" "start" "-a" "8f51b5ee9eae5d6a9374a36cf003800f1f0249cd6c86ec033f7fec770a048526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f51b5ee9eae5d6a9374a36cf003800f1f0249cd6c86ec033f7fec770a048526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f51b5ee9eae5d6a9374a36cf003800f1f0249cd6c86ec033f7fec770a048526", kill_on_drop: false }` [INFO] [stdout] 8f51b5ee9eae5d6a9374a36cf003800f1f0249cd6c86ec033f7fec770a048526 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3509ffad2e5fc1fc8b0f558d6e36c29c8cfb0fa561725e3c0cacfb00e7d6475f [INFO] running `Command { std: "docker" "start" "-a" "3509ffad2e5fc1fc8b0f558d6e36c29c8cfb0fa561725e3c0cacfb00e7d6475f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [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 v0.1.16 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling notify v4.0.16 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.55s [INFO] running `Command { std: "docker" "inspect" "3509ffad2e5fc1fc8b0f558d6e36c29c8cfb0fa561725e3c0cacfb00e7d6475f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3509ffad2e5fc1fc8b0f558d6e36c29c8cfb0fa561725e3c0cacfb00e7d6475f", kill_on_drop: false }` [INFO] [stdout] 3509ffad2e5fc1fc8b0f558d6e36c29c8cfb0fa561725e3c0cacfb00e7d6475f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5596482c1cc3beefc9fb47e6f8f02966d2c6b7b383939912082666efc38cba7 [INFO] running `Command { std: "docker" "start" "-a" "a5596482c1cc3beefc9fb47e6f8f02966d2c6b7b383939912082666efc38cba7", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling predicates v1.0.7 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `Command { std: "docker" "inspect" "a5596482c1cc3beefc9fb47e6f8f02966d2c6b7b383939912082666efc38cba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5596482c1cc3beefc9fb47e6f8f02966d2c6b7b383939912082666efc38cba7", kill_on_drop: false }` [INFO] [stdout] a5596482c1cc3beefc9fb47e6f8f02966d2c6b7b383939912082666efc38cba7 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1a6ff90aa0fcdf9b4056a84a8020e94e9b6f1205d66854257ff0b05ff0f0e6ee [INFO] running `Command { std: "docker" "start" "-a" "1a6ff90aa0fcdf9b4056a84a8020e94e9b6f1205d66854257ff0b05ff0f0e6ee", 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-286a0e7d2f55e958) [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:270:36: [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: 0x5643171fef62 - std::backtrace_rs::backtrace::libunwind::trace::hf591c4fa475b521b [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x5643171fef62 - std::backtrace_rs::backtrace::trace_unsynchronized::hce0fc3788d7159a9 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5643171fef62 - std::sys_common::backtrace::_print_fmt::he2d1cbe468040257 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x5643171fef62 - ::fmt::h2c24b8bf09043006 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x564317226adc - core::fmt::rt::Argument::fmt::h982f45771e9ecd8b [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x564317226adc - core::fmt::write::h08d521d188b46bd0 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/mod.rs:1153:17 [INFO] [stdout] 6: 0x5643171fc8df - std::io::Write::write_fmt::h84dbc6cf42979d05 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/io/mod.rs:1843:15 [INFO] [stdout] 7: 0x5643171fed34 - std::sys_common::backtrace::_print::h3e781da3859a0efa [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x5643171fed34 - std::sys_common::backtrace::print::he5e9ec6ac18663c5 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x5643172009fb - std::panicking::default_hook::{{closure}}::hb05b3618b96e9a16 [INFO] [stdout] 10: 0x5643172006d7 - std::panicking::default_hook::ha92ce0e319b86adc [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x564317085067 - as core::ops::function::Fn>::call::hfad4e8cd66d28d6f [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9 [INFO] [stdout] 12: 0x564317085067 - test::test_main::{{closure}}::hb316c81ad0052246 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:138:21 [INFO] [stdout] 13: 0x564317201030 - as core::ops::function::Fn>::call::h48f57e8ba0ebe10d [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9 [INFO] [stdout] 14: 0x564317201030 - std::panicking::rust_panic_with_hook::h0843a0c6d846e961 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:783:13 [INFO] [stdout] 15: 0x564317200d72 - std::panicking::begin_panic_handler::{{closure}}::h089f044d920e4ed4 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:657:13 [INFO] [stdout] 16: 0x5643171ff436 - std::sys_common::backtrace::__rust_end_short_backtrace::h17a752ec00eb4307 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x564317200aa4 - rust_begin_unwind [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:645:5 [INFO] [stdout] 18: 0x56431703ee05 - core::panicking::panic_fmt::hf9e3650f9c0b35ad [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x56431703f3e3 - core::result::unwrap_failed::h771e22f2bbdd5cf2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1654:5 [INFO] [stdout] 20: 0x5643170464ba - core::result::Result::unwrap::h86791b6e39eaf716 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x5643170464ba - rustlings::exercise::test::test_clean::h69045affe0ceb987 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 22: 0x5643170463f7 - rustlings::exercise::test::test_clean::{{closure}}::h926e306211a8ad87 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:20 [INFO] [stdout] 23: 0x564317040dc6 - core::ops::function::FnOnce::call_once::hb4ce2ce889c52034 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x564317089c2f - core::ops::function::FnOnce::call_once::h0e9f6b735acda624 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x564317089c2f - test::__rust_begin_short_backtrace::h65f11a900e8cf65e [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:621:18 [INFO] [stdout] 26: 0x564317089323 - test::run_test_in_process::{{closure}}::h5e2816892ad7ac9a [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:60 [INFO] [stdout] 27: 0x564317089323 - as core::ops::function::FnOnce<()>>::call_once::h1b9c320c72d4c6ce [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x564317089323 - std::panicking::try::do_call::hd0b24b52271709c2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40 [INFO] [stdout] 29: 0x564317089323 - std::panicking::try::h56d1181c9703484e [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19 [INFO] [stdout] 30: 0x564317089323 - std::panic::catch_unwind::h8bd23f3ab29003f2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14 [INFO] [stdout] 31: 0x564317089323 - test::run_test_in_process::h506184887cedf4a3 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:27 [INFO] [stdout] 32: 0x564317089323 - test::run_test::{{closure}}::h1877fa24be24f03e [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:567:43 [INFO] [stdout] 33: 0x564317051f23 - test::run_test::{{closure}}::hd863e669253739ef [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:595:41 [INFO] [stdout] 34: 0x564317051f23 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7f4ddddf8d11340f [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x564317056a8f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4a8b28c9e99c5cc2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:528:17 [INFO] [stdout] 36: 0x564317056a8f - as core::ops::function::FnOnce<()>>::call_once::h82f1b5c530f72a07 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x564317056a8f - std::panicking::try::do_call::h0064fe0f14317599 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40 [INFO] [stdout] 38: 0x564317056a8f - std::panicking::try::h1cc6a2a343001459 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19 [INFO] [stdout] 39: 0x564317056a8f - std::panic::catch_unwind::h90be06afab17593a [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14 [INFO] [stdout] 40: 0x564317056a8f - std::thread::Builder::spawn_unchecked_::{{closure}}::h80bc2ad0bec94635 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:527:30 [INFO] [stdout] 41: 0x564317056a8f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h27e1017014ef0506 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x564317205195 - as core::ops::function::FnOnce>::call_once::hdbdd1f187b9b9080 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9 [INFO] [stdout] 43: 0x564317205195 - as core::ops::function::FnOnce>::call_once::hc7ee8cb78037b4ec [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9 [INFO] [stdout] 44: 0x564317205195 - std::sys::pal::unix::thread::Thread::new::thread_start::haedac03260309a72 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f1a60f73ac3 - [INFO] [stdout] 46: 0x7f1a61004bf4 - __clone [INFO] [stdout] 47: 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:343:38: [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/./rmetat95VSQ\"\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: 0x5643171fef62 - std::backtrace_rs::backtrace::libunwind::trace::hf591c4fa475b521b [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x5643171fef62 - std::backtrace_rs::backtrace::trace_unsynchronized::hce0fc3788d7159a9 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5643171fef62 - std::sys_common::backtrace::_print_fmt::he2d1cbe468040257 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x5643171fef62 - ::fmt::h2c24b8bf09043006 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x564317226adc - core::fmt::rt::Argument::fmt::h982f45771e9ecd8b [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x564317226adc - core::fmt::write::h08d521d188b46bd0 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/mod.rs:1153:17 [INFO] [stdout] 6: 0x5643171fc8df - std::io::Write::write_fmt::h84dbc6cf42979d05 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/io/mod.rs:1843:15 [INFO] [stdout] 7: 0x5643171fed34 - std::sys_common::backtrace::_print::h3e781da3859a0efa [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x5643171fed34 - std::sys_common::backtrace::print::he5e9ec6ac18663c5 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x5643172009fb - std::panicking::default_hook::{{closure}}::hb05b3618b96e9a16 [INFO] [stdout] 10: 0x5643172006d7 - std::panicking::default_hook::ha92ce0e319b86adc [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x564317085067 - as core::ops::function::Fn>::call::hfad4e8cd66d28d6f [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9 [INFO] [stdout] 12: 0x564317085067 - test::test_main::{{closure}}::hb316c81ad0052246 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:138:21 [INFO] [stdout] 13: 0x564317201030 - as core::ops::function::Fn>::call::h48f57e8ba0ebe10d [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9 [INFO] [stdout] 14: 0x564317201030 - std::panicking::rust_panic_with_hook::h0843a0c6d846e961 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:783:13 [INFO] [stdout] 15: 0x564317200d72 - std::panicking::begin_panic_handler::{{closure}}::h089f044d920e4ed4 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:657:13 [INFO] [stdout] 16: 0x5643171ff436 - std::sys_common::backtrace::__rust_end_short_backtrace::h17a752ec00eb4307 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x564317200aa4 - rust_begin_unwind [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:645:5 [INFO] [stdout] 18: 0x56431703ee05 - core::panicking::panic_fmt::hf9e3650f9c0b35ad [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x56431703f3e3 - core::result::unwrap_failed::h771e22f2bbdd5cf2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1654:5 [INFO] [stdout] 20: 0x564317047376 - core::result::Result::unwrap::hff025acf8236543d [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x564317047376 - rustlings::exercise::test::test_exercise_with_output::h2fd5b4d6a0de1432 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 22: 0x564317047187 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h3c4505b5ebe89c4e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:35 [INFO] [stdout] 23: 0x564317040d86 - core::ops::function::FnOnce::call_once::h7170f4154dc93a47 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x564317089c2f - core::ops::function::FnOnce::call_once::h0e9f6b735acda624 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x564317089c2f - test::__rust_begin_short_backtrace::h65f11a900e8cf65e [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:621:18 [INFO] [stdout] 26: 0x564317089323 - test::run_test_in_process::{{closure}}::h5e2816892ad7ac9a [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:60 [INFO] [stdout] 27: 0x564317089323 - as core::ops::function::FnOnce<()>>::call_once::h1b9c320c72d4c6ce [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x564317089323 - std::panicking::try::do_call::hd0b24b52271709c2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40 [INFO] [stdout] 29: 0x564317089323 - std::panicking::try::h56d1181c9703484e [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19 [INFO] [stdout] 30: 0x564317089323 - std::panic::catch_unwind::h8bd23f3ab29003f2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14 [INFO] [stdout] 31: 0x564317089323 - test::run_test_in_process::h506184887cedf4a3 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:27 [INFO] [stdout] 32: 0x564317089323 - test::run_test::{{closure}}::h1877fa24be24f03e [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:567:43 [INFO] [stdout] 33: 0x564317051f23 - test::run_test::{{closure}}::hd863e669253739ef [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:595:41 [INFO] [stdout] 34: 0x564317051f23 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7f4ddddf8d11340f [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x564317056a8f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4a8b28c9e99c5cc2 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:528:17 [INFO] [stdout] 36: 0x564317056a8f - as core::ops::function::FnOnce<()>>::call_once::h82f1b5c530f72a07 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x564317056a8f - std::panicking::try::do_call::h0064fe0f14317599 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40 [INFO] [stdout] 38: 0x564317056a8f - std::panicking::try::h1cc6a2a343001459 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19 [INFO] [stdout] 39: 0x564317056a8f - std::panic::catch_unwind::h90be06afab17593a [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14 [INFO] [stdout] 40: 0x564317056a8f - std::thread::Builder::spawn_unchecked_::{{closure}}::h80bc2ad0bec94635 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:527:30 [INFO] [stdout] 41: 0x564317056a8f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h27e1017014ef0506 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x564317205195 - as core::ops::function::FnOnce>::call_once::hdbdd1f187b9b9080 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9 [INFO] [stdout] 43: 0x564317205195 - as core::ops::function::FnOnce>::call_once::hc7ee8cb78037b4ec [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9 [INFO] [stdout] 44: 0x564317205195 - std::sys::pal::unix::thread::Thread::new::thread_start::haedac03260309a72 [INFO] [stdout] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f1a60f73ac3 - [INFO] [stdout] 46: 0x7f1a61004bf4 - __clone [INFO] [stdout] 47: 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 0.11s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "1a6ff90aa0fcdf9b4056a84a8020e94e9b6f1205d66854257ff0b05ff0f0e6ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a6ff90aa0fcdf9b4056a84a8020e94e9b6f1205d66854257ff0b05ff0f0e6ee", kill_on_drop: false }` [INFO] [stdout] 1a6ff90aa0fcdf9b4056a84a8020e94e9b6f1205d66854257ff0b05ff0f0e6ee