[INFO] cloning repository https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Zcloudpeak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Zcloudpeak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39f1e04b07cccdbd697ce0177f6f5f79bf198d18
[INFO] testing cicvedu/rustlings-semester-2-Zcloudpeak against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Zcloudpeak" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak 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/cicvedu/rustlings-semester-2-Zcloudpeak
[INFO] finished tweaking git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak
[INFO] tweaked toml for git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak 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 cicvedu/rustlings-semester-2-Zcloudpeak 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%2Fcicvedu%2Frustlings-semester-2-Zcloudpeak" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak 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/cicvedu/rustlings-semester-2-Zcloudpeak
[INFO] finished tweaking git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak
[INFO] tweaked toml for git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rustlings-semester-2-Zcloudpeak 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 87794aecd71ce8d946a51e50724b55004e9819212b12452ec2cf0cda03f07f6d
[INFO] running `Command { std: "docker" "start" "-a" "87794aecd71ce8d946a51e50724b55004e9819212b12452ec2cf0cda03f07f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87794aecd71ce8d946a51e50724b55004e9819212b12452ec2cf0cda03f07f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87794aecd71ce8d946a51e50724b55004e9819212b12452ec2cf0cda03f07f6d", kill_on_drop: false }`
[INFO] [stdout] 87794aecd71ce8d946a51e50724b55004e9819212b12452ec2cf0cda03f07f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7f2f7672d42930b5e4de21c6580d9c20fc3875c22c2b92955fde99c71330438a
[INFO] running `Command { std: "docker" "start" "-a" "7f2f7672d42930b5e4de21c6580d9c20fc3875c22c2b92955fde99c71330438a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "7f2f7672d42930b5e4de21c6580d9c20fc3875c22c2b92955fde99c71330438a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2f7672d42930b5e4de21c6580d9c20fc3875c22c2b92955fde99c71330438a", kill_on_drop: false }`
[INFO] [stdout] 7f2f7672d42930b5e4de21c6580d9c20fc3875c22c2b92955fde99c71330438a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c7ba8d4fcb8174e97a03a64be71e9506c7e300e46a08463d05ce7423d4cf27d5
[INFO] running `Command { std: "docker" "start" "-a" "c7ba8d4fcb8174e97a03a64be71e9506c7e300e46a08463d05ce7423d4cf27d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "c7ba8d4fcb8174e97a03a64be71e9506c7e300e46a08463d05ce7423d4cf27d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ba8d4fcb8174e97a03a64be71e9506c7e300e46a08463d05ce7423d4cf27d5", kill_on_drop: false }`
[INFO] [stdout] c7ba8d4fcb8174e97a03a64be71e9506c7e300e46a08463d05ce7423d4cf27d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fca30056bae49b9c150c81f56dfa1fff155403dec73f54ff23c75936c72e4165
[INFO] running `Command { std: "docker" "start" "-a" "fca30056bae49b9c150c81f56dfa1fff155403dec73f54ff23c75936c72e4165", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-f0174cd232f0c897)
[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] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::test::test_clean stdout ----
[INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:303:36:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563d9190e062 - 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:     0x563d9190e062 - 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:     0x563d9190e062 - std::sys_common::backtrace::_print_fmt::he2d1cbe468040257
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x563d9190e062 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c24b8bf09043006
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563d9193609c - core::fmt::rt::Argument::fmt::h982f45771e9ecd8b
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563d9193609c - core::fmt::write::h08d521d188b46bd0
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/mod.rs:1153:17
[INFO] [stdout]    6:     0x563d9190b9df - std::io::Write::write_fmt::h84dbc6cf42979d05
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/io/mod.rs:1843:15
[INFO] [stdout]    7:     0x563d9190de34 - std::sys_common::backtrace::_print::h3e781da3859a0efa
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563d9190de34 - std::sys_common::backtrace::print::he5e9ec6ac18663c5
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563d9190fafb - std::panicking::default_hook::{{closure}}::hb05b3618b96e9a16
[INFO] [stdout]   10:     0x563d9190f7d7 - std::panicking::default_hook::ha92ce0e319b86adc
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563d9168d657 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hfad4e8cd66d28d6f
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9
[INFO] [stdout]   12:     0x563d9168d657 - test::test_main::{{closure}}::hb316c81ad0052246
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563d91910130 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h48f57e8ba0ebe10d
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9
[INFO] [stdout]   14:     0x563d91910130 - std::panicking::rust_panic_with_hook::h0843a0c6d846e961
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563d9190fe72 - std::panicking::begin_panic_handler::{{closure}}::h089f044d920e4ed4
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563d9190e536 - 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:     0x563d9190fba4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563d91644e85 - core::panicking::panic_fmt::hf9e3650f9c0b35ad
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563d91645463 - core::result::unwrap_failed::h771e22f2bbdd5cf2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x563d91650caa - core::result::Result<T,E>::unwrap::hdc3e6683126df0a1
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563d91650caa - rustlings::exercise::test::test_clean::h786adae89f1f8d2d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:303:9
[INFO] [stdout]   22:     0x563d91650be7 - rustlings::exercise::test::test_clean::{{closure}}::h032696cdcbdc13a9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:302:20
[INFO] [stdout]   23:     0x563d91646286 - core::ops::function::FnOnce::call_once::hab035114add1af4d
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x563d9169221f - core::ops::function::FnOnce::call_once::h0e9f6b735acda624
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563d9169221f - test::__rust_begin_short_backtrace::h65f11a900e8cf65e
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x563d91691913 - test::run_test_in_process::{{closure}}::h5e2816892ad7ac9a
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x563d91691913 - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x563d91691913 - std::panicking::try::do_call::hd0b24b52271709c2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x563d91691913 - std::panicking::try::h56d1181c9703484e
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x563d91691913 - std::panic::catch_unwind::h8bd23f3ab29003f2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14
[INFO] [stdout]   31:     0x563d91691913 - test::run_test_in_process::h506184887cedf4a3
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x563d91691913 - test::run_test::{{closure}}::h1877fa24be24f03e
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x563d9165a513 - test::run_test::{{closure}}::hd863e669253739ef
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x563d9165a513 - 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:     0x563d9165f07f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4a8b28c9e99c5cc2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   36:     0x563d9165f07f - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x563d9165f07f - std::panicking::try::do_call::h0064fe0f14317599
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x563d9165f07f - std::panicking::try::h1cc6a2a343001459
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x563d9165f07f - std::panic::catch_unwind::h90be06afab17593a
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14
[INFO] [stdout]   40:     0x563d9165f07f - std::thread::Builder::spawn_unchecked_::{{closure}}::h80bc2ad0bec94635
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   41:     0x563d9165f07f - 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:     0x563d91914295 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdbdd1f187b9b9080
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9
[INFO] [stdout]   43:     0x563d91914295 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7ee8cb78037b4ec
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9
[INFO] [stdout]   44:     0x563d91914295 - 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:     0x7f938355eac3 - <unknown>
[INFO] [stdout]   46:     0x7f93835efbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ----
[INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:376:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetazSm6IE\"\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:     0x563d9190e062 - 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:     0x563d9190e062 - 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:     0x563d9190e062 - std::sys_common::backtrace::_print_fmt::he2d1cbe468040257
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x563d9190e062 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c24b8bf09043006
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563d9193609c - core::fmt::rt::Argument::fmt::h982f45771e9ecd8b
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563d9193609c - core::fmt::write::h08d521d188b46bd0
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/mod.rs:1153:17
[INFO] [stdout]    6:     0x563d9190b9df - std::io::Write::write_fmt::h84dbc6cf42979d05
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/io/mod.rs:1843:15
[INFO] [stdout]    7:     0x563d9190de34 - std::sys_common::backtrace::_print::h3e781da3859a0efa
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563d9190de34 - std::sys_common::backtrace::print::he5e9ec6ac18663c5
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563d9190fafb - std::panicking::default_hook::{{closure}}::hb05b3618b96e9a16
[INFO] [stdout]   10:     0x563d9190f7d7 - std::panicking::default_hook::ha92ce0e319b86adc
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563d9168d657 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hfad4e8cd66d28d6f
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9
[INFO] [stdout]   12:     0x563d9168d657 - test::test_main::{{closure}}::hb316c81ad0052246
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563d91910130 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h48f57e8ba0ebe10d
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9
[INFO] [stdout]   14:     0x563d91910130 - std::panicking::rust_panic_with_hook::h0843a0c6d846e961
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563d9190fe72 - std::panicking::begin_panic_handler::{{closure}}::h089f044d920e4ed4
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563d9190e536 - 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:     0x563d9190fba4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563d91644e85 - core::panicking::panic_fmt::hf9e3650f9c0b35ad
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563d91645463 - core::result::unwrap_failed::h771e22f2bbdd5cf2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x563d91651b6a - core::result::Result<T,E>::unwrap::h3e441b5a4a382aa2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563d91651b6a - rustlings::exercise::test::test_exercise_with_output::hb9b9ce7027f0fc4d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:376:19
[INFO] [stdout]   22:     0x563d91651977 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::ha39aca3a8fd98bdd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:369:35
[INFO] [stdout]   23:     0x563d91646246 - core::ops::function::FnOnce::call_once::h9684370eb5f0dd17
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x563d9169221f - core::ops::function::FnOnce::call_once::h0e9f6b735acda624
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563d9169221f - test::__rust_begin_short_backtrace::h65f11a900e8cf65e
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x563d91691913 - test::run_test_in_process::{{closure}}::h5e2816892ad7ac9a
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x563d91691913 - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x563d91691913 - std::panicking::try::do_call::hd0b24b52271709c2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x563d91691913 - std::panicking::try::h56d1181c9703484e
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x563d91691913 - std::panic::catch_unwind::h8bd23f3ab29003f2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14
[INFO] [stdout]   31:     0x563d91691913 - test::run_test_in_process::h506184887cedf4a3
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x563d91691913 - test::run_test::{{closure}}::h1877fa24be24f03e
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x563d9165a513 - test::run_test::{{closure}}::hd863e669253739ef
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x563d9165a513 - 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:     0x563d9165f07f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4a8b28c9e99c5cc2
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   36:     0x563d9165f07f - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x563d9165f07f - std::panicking::try::do_call::h0064fe0f14317599
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x563d9165f07f - std::panicking::try::h1cc6a2a343001459
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x563d9165f07f - std::panic::catch_unwind::h90be06afab17593a
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14
[INFO] [stdout]   40:     0x563d9165f07f - std::thread::Builder::spawn_unchecked_::{{closure}}::h80bc2ad0bec94635
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   41:     0x563d9165f07f - 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:     0x563d91914295 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdbdd1f187b9b9080
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9
[INFO] [stdout]   43:     0x563d91914295 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7ee8cb78037b4ec
[INFO] [stdout]                                at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9
[INFO] [stdout]   44:     0x563d91914295 - 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:     0x7f938355eac3 - <unknown>
[INFO] [stdout]   46:     0x7f93835efbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[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 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fca30056bae49b9c150c81f56dfa1fff155403dec73f54ff23c75936c72e4165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca30056bae49b9c150c81f56dfa1fff155403dec73f54ff23c75936c72e4165", kill_on_drop: false }`
[INFO] [stdout] fca30056bae49b9c150c81f56dfa1fff155403dec73f54ff23c75936c72e4165