[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-yuluo-zy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-yuluo-zy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-yuluo-zy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-yuluo-zy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5dd796d6092024ac3dc5fc03fae260169a28353
[INFO] testing LearningOS/rust-rustlings-yuluo-zy 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%2Frust-rustlings-yuluo-zy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-yuluo-zy 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/rust-rustlings-yuluo-zy
[INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-yuluo-zy
[INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-yuluo-zy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LearningOS/rust-rustlings-yuluo-zy 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2d51618058e42a025d03c5d4a9b61ac56d21fa926a9e7847f879e35318ab8090
[INFO] running `Command { std: "docker" "start" "-a" "2d51618058e42a025d03c5d4a9b61ac56d21fa926a9e7847f879e35318ab8090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d51618058e42a025d03c5d4a9b61ac56d21fa926a9e7847f879e35318ab8090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d51618058e42a025d03c5d4a9b61ac56d21fa926a9e7847f879e35318ab8090", kill_on_drop: false }`
[INFO] [stdout] 2d51618058e42a025d03c5d4a9b61ac56d21fa926a9e7847f879e35318ab8090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 85a43b8428cf28d7c4d34a5500cd683ac9840328a19bfdba73a82c2946d047d9
[INFO] running `Command { std: "docker" "start" "-a" "85a43b8428cf28d7c4d34a5500cd683ac9840328a19bfdba73a82c2946d047d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlings v5.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "85a43b8428cf28d7c4d34a5500cd683ac9840328a19bfdba73a82c2946d047d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a43b8428cf28d7c4d34a5500cd683ac9840328a19bfdba73a82c2946d047d9", kill_on_drop: false }`
[INFO] [stdout] 85a43b8428cf28d7c4d34a5500cd683ac9840328a19bfdba73a82c2946d047d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cb4574ac78977fb136b046e52e36b8351064944e444a4c005b11b43e611173c5
[INFO] running `Command { std: "docker" "start" "-a" "cb4574ac78977fb136b046e52e36b8351064944e444a4c005b11b43e611173c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlings v5.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "cb4574ac78977fb136b046e52e36b8351064944e444a4c005b11b43e611173c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4574ac78977fb136b046e52e36b8351064944e444a4c005b11b43e611173c5", kill_on_drop: false }`
[INFO] [stdout] cb4574ac78977fb136b046e52e36b8351064944e444a4c005b11b43e611173c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f1f07998e8c7fd16fb97fde70de1e11bd0c25b59d2a8c43b5c82382b030587b9
[INFO] running `Command { std: "docker" "start" "-a" "f1f07998e8c7fd16fb97fde70de1e11bd0c25b59d2a8c43b5c82382b030587b9", 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-263e5d740932d8ee)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test exercise::test::test_pending_state ... ok
[INFO] [stdout] test exercise::test::test_finished_exercise ... ok
[INFO] [stdout] test exercise::test::test_clean ... FAILED
[INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [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:     0x5894eb3805ca - 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:     0x5894eb3805ca - 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:     0x5894eb3805ca - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5894eb3805ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5894eb3a8643 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5894eb3a8643 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x5894eb37d063 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x5894eb380412 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5894eb3819ef - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x5894eb381808 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x5894eb219053 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x5894eb219053 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5894eb3824e3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x5894eb3824e3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x5894eb38219a - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x5894eb380ac9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x5894eb381e2d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x5894eb3a7020 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x5894eb3a7496 - core::result::unwrap_failed::h7979f09313fe1849
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5
[INFO] [stdout]   19:     0x5894eb1d6aba - core::result::Result<T,E>::unwrap::h7fe4a4168bf8a623
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23
[INFO] [stdout]   20:     0x5894eb1d6aba - rustlings::exercise::test::test_clean::h315c3950bba78d53
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:269:9
[INFO] [stdout]   21:     0x5894eb1d69f7 - rustlings::exercise::test::test_clean::{{closure}}::ha42dc2afa9acf3e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:268:20
[INFO] [stdout]   22:     0x5894eb1d3bb6 - core::ops::function::FnOnce::call_once::h23c13ecee5869450
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5894eb21e7ab - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5894eb21e7ab - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5894eb21d6e3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5894eb21d6e3 - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x5894eb21d6e3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x5894eb21d6e3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x5894eb21d6e3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5894eb21d6e3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5894eb21d6e3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5894eb1e07c5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5894eb1e07c5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x5894eb1e40aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5894eb1e40aa - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x5894eb1e40aa - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x5894eb1e40aa - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x5894eb1e40aa - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5894eb1e40aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5894eb1e40aa - 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:     0x5894eb38664b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x5894eb38664b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x5894eb38664b - 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:     0x73c3af47cac3 - <unknown>
[INFO] [stdout]   45:     0x73c3af50da04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[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/./rmetaAtOybc\"\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:     0x5894eb3805ca - 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:     0x5894eb3805ca - 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:     0x5894eb3805ca - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5894eb3805ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5894eb3a8643 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5894eb3a8643 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x5894eb37d063 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x5894eb380412 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5894eb3819ef - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x5894eb381808 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x5894eb219053 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x5894eb219053 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5894eb3824e3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x5894eb3824e3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x5894eb38219a - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x5894eb380ac9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x5894eb381e2d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x5894eb3a7020 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x5894eb3a7496 - core::result::unwrap_failed::h7979f09313fe1849
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5
[INFO] [stdout]   19:     0x5894eb1d792a - core::result::Result<T,E>::unwrap::hf21ec5a006e6fa42
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23
[INFO] [stdout]   20:     0x5894eb1d792a - rustlings::exercise::test::test_exercise_with_output::hde9845eb2114f1c8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:342:19
[INFO] [stdout]   21:     0x5894eb1d7737 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hc9979960b0c17325
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:335:35
[INFO] [stdout]   22:     0x5894eb1d3b76 - core::ops::function::FnOnce::call_once::h16f2c73cc72a7ab2
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5894eb21e7ab - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5894eb21e7ab - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5894eb21d6e3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5894eb21d6e3 - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x5894eb21d6e3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x5894eb21d6e3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x5894eb21d6e3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5894eb21d6e3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5894eb21d6e3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5894eb1e07c5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5894eb1e07c5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x5894eb1e40aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5894eb1e40aa - <core::panic::unwind_safe::AssertUnwindSafe<F> 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:     0x5894eb1e40aa - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x5894eb1e40aa - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x5894eb1e40aa - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5894eb1e40aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5894eb1e40aa - 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:     0x5894eb38664b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x5894eb38664b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x5894eb38664b - 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:     0x73c3af47cac3 - <unknown>
[INFO] [stdout]   45:     0x73c3af50da04 - clone
[INFO] [stdout]   46:                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 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] running `Command { std: "docker" "inspect" "f1f07998e8c7fd16fb97fde70de1e11bd0c25b59d2a8c43b5c82382b030587b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f07998e8c7fd16fb97fde70de1e11bd0c25b59d2a8c43b5c82382b030587b9", kill_on_drop: false }`
[INFO] [stdout] f1f07998e8c7fd16fb97fde70de1e11bd0c25b59d2a8c43b5c82382b030587b9
