[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-gu-pingsheng [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-gu-pingsheng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-gu-pingsheng", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-gu-pingsheng'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc99163246ace4bf51e76f69d3ee9dc96a6f251d [INFO] testing cicvedu/rust-rustlings-gu-pingsheng against 1.83.0 for beta-1.84.0-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-gu-pingsheng" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-gu-pingsheng on toolchain 1.83.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-gu-pingsheng [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-gu-pingsheng [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-gu-pingsheng written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-gu-pingsheng 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f3c733bf8f4e0f625019006c70fad49550b3aba540d8833023b2d059d5bd161 [INFO] running `Command { std: "docker" "start" "-a" "6f3c733bf8f4e0f625019006c70fad49550b3aba540d8833023b2d059d5bd161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f3c733bf8f4e0f625019006c70fad49550b3aba540d8833023b2d059d5bd161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f3c733bf8f4e0f625019006c70fad49550b3aba540d8833023b2d059d5bd161", kill_on_drop: false }` [INFO] [stdout] 6f3c733bf8f4e0f625019006c70fad49550b3aba540d8833023b2d059d5bd161 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fd62d7d7acc71c6bdd2a95b36ba7dbb857fc05a6ae655bc7b5e11b764e2d491 [INFO] running `Command { std: "docker" "start" "-a" "1fd62d7d7acc71c6bdd2a95b36ba7dbb857fc05a6ae655bc7b5e11b764e2d491", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.92s [INFO] running `Command { std: "docker" "inspect" "1fd62d7d7acc71c6bdd2a95b36ba7dbb857fc05a6ae655bc7b5e11b764e2d491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fd62d7d7acc71c6bdd2a95b36ba7dbb857fc05a6ae655bc7b5e11b764e2d491", kill_on_drop: false }` [INFO] [stdout] 1fd62d7d7acc71c6bdd2a95b36ba7dbb857fc05a6ae655bc7b5e11b764e2d491 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 488bd0ee496f7a6a172993cb1644b803a706f6852f4410061cc7a537a83e389e [INFO] running `Command { std: "docker" "start" "-a" "488bd0ee496f7a6a172993cb1644b803a706f6852f4410061cc7a537a83e389e", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.62s [INFO] running `Command { std: "docker" "inspect" "488bd0ee496f7a6a172993cb1644b803a706f6852f4410061cc7a537a83e389e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "488bd0ee496f7a6a172993cb1644b803a706f6852f4410061cc7a537a83e389e", kill_on_drop: false }` [INFO] [stdout] 488bd0ee496f7a6a172993cb1644b803a706f6852f4410061cc7a537a83e389e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] df0fff4484a9b48325ca4f8469aabc1f548888f5e757ac3b3d04e8a0b842124c [INFO] running `Command { std: "docker" "start" "-a" "df0fff4484a9b48325ca4f8469aabc1f548888f5e757ac3b3d04e8a0b842124c", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-6874def9923641ea) [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: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: 0x59e87ec5ecfa - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x59e87ec5ecfa - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x59e87ec5ecfa - std::sys::backtrace::_print_fmt::hc4546b8364a537c6 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x59e87ec5ecfa - ::fmt::h5b6bd5631a6d1f6b [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x59e87ec847e3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x59e87ec847e3 - core::fmt::write::h7550c97b06c86515 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21 [INFO] [stdout] 6: 0x59e87ec5beb3 - std::io::Write::write_fmt::h509ff860e5956e5e [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15 [INFO] [stdout] 7: 0x59e87ec5eb42 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x59e87ec6015a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x59e87ec5ff64 - std::panicking::default_hook::hf614597d3c67bbdb [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x59e87ea0cbe9 - as core::ops::function::Fn>::call::h39b51ce4599c23d1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 11: 0x59e87ea0cbe9 - test::test_main::{{closure}}::he977ae839a582784 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21 [INFO] [stdout] 12: 0x59e87ec607f8 - as core::ops::function::Fn>::call::h9455091b6b06f9fb [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 13: 0x59e87ec607f8 - std::panicking::rust_panic_with_hook::h8942133a8b252070 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x59e87ec605ba - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x59e87ec5f1d9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x59e87ec6024c - rust_begin_unwind [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x59e87e9c01e0 - core::panicking::panic_fmt::h0c3082644d1bf418 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x59e87e9c0666 - core::result::unwrap_failed::hd20b4aa073bda1e2 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5 [INFO] [stdout] 19: 0x59e87e9cb36a - core::result::Result::unwrap::h71f02d703f55af67 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x59e87e9cb36a - rustlings::exercise::test::test_clean::h12678426ed07f142 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x59e87e9cb2a7 - rustlings::exercise::test::test_clean::{{closure}}::h9ac3ca4feaeecb56 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x59e87e9c8536 - core::ops::function::FnOnce::call_once::hdbb27e1d0249d081 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x59e87ea115ab - core::ops::function::FnOnce::call_once::h109cf8051a59b34e [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x59e87ea115ab - test::__rust_begin_short_backtrace::hf4fff89d377446ba [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18 [INFO] [stdout] 25: 0x59e87ea10de7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60 [INFO] [stdout] 26: 0x59e87ea10de7 - as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x59e87ea10de7 - std::panicking::try::do_call::h873b7cf639554a5e [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x59e87ea10de7 - std::panicking::try::hdb19862fad9c8bd1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x59e87ea10de7 - std::panic::catch_unwind::h281fe732d236d260 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x59e87ea10de7 - test::run_test_in_process::h949b6df8457ed338 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27 [INFO] [stdout] 31: 0x59e87ea10de7 - test::run_test::{{closure}}::h52c556a6d4740e10 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43 [INFO] [stdout] 32: 0x59e87e9d60c4 - test::run_test::{{closure}}::h4237f6381c45ccb9 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41 [INFO] [stdout] 33: 0x59e87e9d60c4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x59e87e9d978e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x59e87e9d978e - as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x59e87e9d978e - std::panicking::try::do_call::hb26ecd7cd9a9355d [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x59e87e9d978e - std::panicking::try::h8ddeca9d705f9069 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x59e87e9d978e - std::panic::catch_unwind::h49e1c33078844c46 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x59e87e9d978e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x59e87e9d978e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x59e87ec6471b - as core::ops::function::FnOnce>::call_once::hf75717d9f28faebf [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 42: 0x59e87ec6471b - as core::ops::function::FnOnce>::call_once::h7bd883a5f3c5f3c1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 43: 0x59e87ec6471b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7614e1b2cac3 - [INFO] [stdout] 45: 0x7614e1bbda04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs: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/./rmetaPosrE7\"\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: 0x59e87ec5ecfa - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x59e87ec5ecfa - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x59e87ec5ecfa - std::sys::backtrace::_print_fmt::hc4546b8364a537c6 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x59e87ec5ecfa - ::fmt::h5b6bd5631a6d1f6b [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x59e87ec847e3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x59e87ec847e3 - core::fmt::write::h7550c97b06c86515 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21 [INFO] [stdout] 6: 0x59e87ec5beb3 - std::io::Write::write_fmt::h509ff860e5956e5e [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15 [INFO] [stdout] 7: 0x59e87ec5eb42 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x59e87ec6015a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x59e87ec5ff64 - std::panicking::default_hook::hf614597d3c67bbdb [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x59e87ea0cbe9 - as core::ops::function::Fn>::call::h39b51ce4599c23d1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 11: 0x59e87ea0cbe9 - test::test_main::{{closure}}::he977ae839a582784 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21 [INFO] [stdout] 12: 0x59e87ec607f8 - as core::ops::function::Fn>::call::h9455091b6b06f9fb [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9 [INFO] [stdout] 13: 0x59e87ec607f8 - std::panicking::rust_panic_with_hook::h8942133a8b252070 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x59e87ec605ba - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x59e87ec5f1d9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x59e87ec6024c - rust_begin_unwind [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x59e87e9c01e0 - core::panicking::panic_fmt::h0c3082644d1bf418 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x59e87e9c0666 - core::result::unwrap_failed::hd20b4aa073bda1e2 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5 [INFO] [stdout] 19: 0x59e87e9cc1ca - core::result::Result::unwrap::h8bd65b073f26fde3 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x59e87e9cc1ca - rustlings::exercise::test::test_exercise_with_output::hbdf48f16d7720ac3 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x59e87e9cbfd7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h2569582dbf735c6c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x59e87e9c8426 - core::ops::function::FnOnce::call_once::h397903e8362afee3 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x59e87ea115ab - core::ops::function::FnOnce::call_once::h109cf8051a59b34e [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x59e87ea115ab - test::__rust_begin_short_backtrace::hf4fff89d377446ba [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18 [INFO] [stdout] 25: 0x59e87ea10de7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60 [INFO] [stdout] 26: 0x59e87ea10de7 - as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x59e87ea10de7 - std::panicking::try::do_call::h873b7cf639554a5e [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x59e87ea10de7 - std::panicking::try::hdb19862fad9c8bd1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x59e87ea10de7 - std::panic::catch_unwind::h281fe732d236d260 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x59e87ea10de7 - test::run_test_in_process::h949b6df8457ed338 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27 [INFO] [stdout] 31: 0x59e87ea10de7 - test::run_test::{{closure}}::h52c556a6d4740e10 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43 [INFO] [stdout] 32: 0x59e87e9d60c4 - test::run_test::{{closure}}::h4237f6381c45ccb9 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41 [INFO] [stdout] 33: 0x59e87e9d60c4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x59e87e9d978e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3 [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x59e87e9d978e - as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x59e87e9d978e - std::panicking::try::do_call::hb26ecd7cd9a9355d [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x59e87e9d978e - std::panicking::try::h8ddeca9d705f9069 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x59e87e9d978e - std::panic::catch_unwind::h49e1c33078844c46 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x59e87e9d978e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x59e87e9d978e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x59e87ec6471b - as core::ops::function::FnOnce>::call_once::hf75717d9f28faebf [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 42: 0x59e87ec6471b - as core::ops::function::FnOnce>::call_once::h7bd883a5f3c5f3c1 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9 [INFO] [stdout] 43: 0x59e87ec6471b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94 [INFO] [stdout] at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7614e1b2cac3 - [INFO] [stdout] 45: 0x7614e1bbda04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "df0fff4484a9b48325ca4f8469aabc1f548888f5e757ac3b3d04e8a0b842124c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df0fff4484a9b48325ca4f8469aabc1f548888f5e757ac3b3d04e8a0b842124c", kill_on_drop: false }` [INFO] [stdout] df0fff4484a9b48325ca4f8469aabc1f548888f5e757ac3b3d04e8a0b842124c