[INFO] cloning repository https://github.com/highcloud100/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/highcloud100/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhighcloud100%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhighcloud100%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d794e190d2235323f935e60f789b898a17f4da3 [INFO] testing highcloud100/rustlings against 1.86.0 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhighcloud100%2Frustlings" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/highcloud100/rustlings on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/highcloud100/rustlings [INFO] finished tweaking git repo https://github.com/highcloud100/rustlings [INFO] tweaked toml for git repo https://github.com/highcloud100/rustlings written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/highcloud100/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d07b4ef85a47f6b7b9609706c179c0a43572c311aa50fbfe8be29105aa0c0663 [INFO] running `Command { std: "docker" "start" "-a" "d07b4ef85a47f6b7b9609706c179c0a43572c311aa50fbfe8be29105aa0c0663", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d07b4ef85a47f6b7b9609706c179c0a43572c311aa50fbfe8be29105aa0c0663", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d07b4ef85a47f6b7b9609706c179c0a43572c311aa50fbfe8be29105aa0c0663", kill_on_drop: false }` [INFO] [stdout] d07b4ef85a47f6b7b9609706c179c0a43572c311aa50fbfe8be29105aa0c0663 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ed225f9ee9624a750d4693fb12ae5448ac35bdb1451bf974f72487d2900d5a4 [INFO] running `Command { std: "docker" "start" "-a" "3ed225f9ee9624a750d4693fb12ae5448ac35bdb1451bf974f72487d2900d5a4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling portable-atomic v1.4.3 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.3 [INFO] [stderr] Compiling winnow v0.5.15 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling clap_builder v4.4.2 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.4 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling syn v2.0.8 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.22 [INFO] [stderr] Compiling mio v0.8.9 [INFO] [stderr] Compiling console v0.15.5 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling indicatif v0.17.6 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling regex v1.7.2 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling clap v4.4.3 [INFO] [stderr] Compiling serde_spanned v0.6.3 [INFO] [stderr] Compiling toml_datetime v0.6.3 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling toml v0.7.8 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.79s [INFO] running `Command { std: "docker" "inspect" "3ed225f9ee9624a750d4693fb12ae5448ac35bdb1451bf974f72487d2900d5a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ed225f9ee9624a750d4693fb12ae5448ac35bdb1451bf974f72487d2900d5a4", kill_on_drop: false }` [INFO] [stdout] 3ed225f9ee9624a750d4693fb12ae5448ac35bdb1451bf974f72487d2900d5a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97257d52105976af7d3dbc543f8a0ab4226670dc571ef9e4263fdb82bb1ac4e6 [INFO] running `Command { std: "docker" "start" "-a" "97257d52105976af7d3dbc543f8a0ab4226670dc571ef9e4263fdb82bb1ac4e6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling bstr v1.6.2 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling predicates v3.0.3 [INFO] [stderr] Compiling assert_cmd v2.0.12 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.29s [INFO] running `Command { std: "docker" "inspect" "97257d52105976af7d3dbc543f8a0ab4226670dc571ef9e4263fdb82bb1ac4e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97257d52105976af7d3dbc543f8a0ab4226670dc571ef9e4263fdb82bb1ac4e6", kill_on_drop: false }` [INFO] [stdout] 97257d52105976af7d3dbc543f8a0ab4226670dc571ef9e4263fdb82bb1ac4e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a0ded750fcb8f1f992caf6a75c008ecaf6b854a736f4d57cda6aef0c23a9b26a [INFO] running `Command { std: "docker" "start" "-a" "a0ded750fcb8f1f992caf6a75c008ecaf6b854a736f4d57cda6aef0c23a9b26a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-0ae4ce8869f8bd22) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:284:35: [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: 0x5ab5b0652ab0 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ab5b0652ab0 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ab5b0652ab0 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ab5b0652ab0 - ::fmt::h6d42cc84fc840290 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ab5b0679433 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5ab5b0679433 - core::fmt::write::h5af61a909e3ec64d [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x5ab5b064fba3 - std::io::Write::write_fmt::h64baa9197d9a3b04 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x5ab5b0652902 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5ab5b0653edf - std::panicking::default_hook::{{closure}}::h9128866118196224 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x5ab5b0653cf8 - std::panicking::default_hook::h52e9e7314e0255f6 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x5ab5b04e0cf5 - as core::ops::function::Fn>::call::hb86f691850cc3c26 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x5ab5b04e0cf5 - test::test_main::{{closure}}::h903d8079e3c94d93 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x5ab5b0654953 - as core::ops::function::Fn>::call::h7c356b28a03897d7 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x5ab5b0654953 - std::panicking::rust_panic_with_hook::h541791bcc774ef34 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x5ab5b065462a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x5ab5b0652fc9 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5ab5b06542bd - rust_begin_unwind [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x5ab5b0497410 - core::panicking::panic_fmt::h5764ee7030b7a73d [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5ab5b04978b6 - core::result::unwrap_failed::h3ff7104a9ace307a [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x5ab5b04a19e2 - core::result::Result::unwrap::hc6a8943231e55536 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x5ab5b04a19e2 - rustlings::exercise::test::test_clean::h6ca5397558071434 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:284:9 [INFO] [stdout] 21: 0x5ab5b04a1967 - rustlings::exercise::test::test_clean::{{closure}}::h469c03fa2c47432f [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:283:20 [INFO] [stdout] 22: 0x5ab5b049ed96 - core::ops::function::FnOnce::call_once::hf234ac27334838f2 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5ab5b04e647b - core::ops::function::FnOnce::call_once::h1dfa20b1ec1f6e08 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5ab5b04e647b - test::__rust_begin_short_backtrace::h7b10906492afc420 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x5ab5b04e5368 - test::run_test_in_process::{{closure}}::h51c1c0d319f72c0a [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x5ab5b04e5368 - as core::ops::function::FnOnce<()>>::call_once::h5fadb750f3dbe714 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5ab5b04e5368 - std::panicking::try::do_call::h1ca5071cef82bb40 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x5ab5b04e5368 - std::panicking::try::h6931de76fb9a61b1 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x5ab5b04e5368 - std::panic::catch_unwind::h67fc9dccf413f4e5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5ab5b04e5368 - test::run_test_in_process::ha966dfbb1d048be5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x5ab5b04e5368 - test::run_test::{{closure}}::he209928ac5e8a3b8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x5ab5b04a92f5 - test::run_test::{{closure}}::h34c6289e0b5ed5a5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x5ab5b04a92f5 - std::sys::backtrace::__rust_begin_short_backtrace::h365aabf21799e6fc [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5ab5b04acd6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3d5e582cba74b1c3 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x5ab5b04acd6a - as core::ops::function::FnOnce<()>>::call_once::h1214c75c3f73f94f [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5ab5b04acd6a - std::panicking::try::do_call::h73540336a45c0cec [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x5ab5b04acd6a - std::panicking::try::h428956564307af63 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x5ab5b04acd6a - std::panic::catch_unwind::h1a53a6ea2f2041e3 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5ab5b04acd6a - std::thread::Builder::spawn_unchecked_::{{closure}}::hac66cbb88d807e14 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x5ab5b04acd6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::had7e2d02878d3212 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5ab5b06588cb - as core::ops::function::FnOnce>::call_once::h292d1663b0785fda [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x5ab5b06588cb - as core::ops::function::FnOnce>::call_once::h9d4af7b531852d72 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x5ab5b06588cb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc5ed016d554f327 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x745258d35aa4 - [INFO] [stdout] 45: 0x745258dc2a34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:375:38: [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/./rmetae96JIe\"\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: 0x5ab5b0652ab0 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ab5b0652ab0 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ab5b0652ab0 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ab5b0652ab0 - ::fmt::h6d42cc84fc840290 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ab5b0679433 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5ab5b0679433 - core::fmt::write::h5af61a909e3ec64d [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x5ab5b064fba3 - std::io::Write::write_fmt::h64baa9197d9a3b04 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x5ab5b0652902 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5ab5b0653edf - std::panicking::default_hook::{{closure}}::h9128866118196224 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x5ab5b0653cf8 - std::panicking::default_hook::h52e9e7314e0255f6 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x5ab5b04e0cf5 - as core::ops::function::Fn>::call::hb86f691850cc3c26 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x5ab5b04e0cf5 - test::test_main::{{closure}}::h903d8079e3c94d93 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x5ab5b0654953 - as core::ops::function::Fn>::call::h7c356b28a03897d7 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x5ab5b0654953 - std::panicking::rust_panic_with_hook::h541791bcc774ef34 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x5ab5b065462a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x5ab5b0652fc9 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5ab5b06542bd - rust_begin_unwind [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x5ab5b0497410 - core::panicking::panic_fmt::h5764ee7030b7a73d [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5ab5b04978b6 - core::result::unwrap_failed::h3ff7104a9ace307a [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x5ab5b04a285a - core::result::Result::unwrap::h786103dc76ca49cc [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x5ab5b04a285a - rustlings::exercise::test::test_exercise_with_output::h0d6597777989c2e7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:375:19 [INFO] [stdout] 21: 0x5ab5b04a2667 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h7c406f42c5efd269 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:368:35 [INFO] [stdout] 22: 0x5ab5b049ed56 - core::ops::function::FnOnce::call_once::hbf5251978d7d29ad [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5ab5b04e647b - core::ops::function::FnOnce::call_once::h1dfa20b1ec1f6e08 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5ab5b04e647b - test::__rust_begin_short_backtrace::h7b10906492afc420 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x5ab5b04e5368 - test::run_test_in_process::{{closure}}::h51c1c0d319f72c0a [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x5ab5b04e5368 - as core::ops::function::FnOnce<()>>::call_once::h5fadb750f3dbe714 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5ab5b04e5368 - std::panicking::try::do_call::h1ca5071cef82bb40 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x5ab5b04e5368 - std::panicking::try::h6931de76fb9a61b1 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x5ab5b04e5368 - std::panic::catch_unwind::h67fc9dccf413f4e5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5ab5b04e5368 - test::run_test_in_process::ha966dfbb1d048be5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x5ab5b04e5368 - test::run_test::{{closure}}::he209928ac5e8a3b8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x5ab5b04a92f5 - test::run_test::{{closure}}::h34c6289e0b5ed5a5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x5ab5b04a92f5 - std::sys::backtrace::__rust_begin_short_backtrace::h365aabf21799e6fc [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5ab5b04acd6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3d5e582cba74b1c3 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x5ab5b04acd6a - as core::ops::function::FnOnce<()>>::call_once::h1214c75c3f73f94f [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5ab5b04acd6a - std::panicking::try::do_call::h73540336a45c0cec [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x5ab5b04acd6a - std::panicking::try::h428956564307af63 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x5ab5b04acd6a - std::panic::catch_unwind::h1a53a6ea2f2041e3 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5ab5b04acd6a - std::thread::Builder::spawn_unchecked_::{{closure}}::hac66cbb88d807e14 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x5ab5b04acd6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::had7e2d02878d3212 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5ab5b06588cb - as core::ops::function::FnOnce>::call_once::h292d1663b0785fda [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x5ab5b06588cb - as core::ops::function::FnOnce>::call_once::h9d4af7b531852d72 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x5ab5b06588cb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc5ed016d554f327 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x745258d35aa4 - [INFO] [stdout] 45: 0x745258dc2a34 - 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 0.17s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "a0ded750fcb8f1f992caf6a75c008ecaf6b854a736f4d57cda6aef0c23a9b26a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0ded750fcb8f1f992caf6a75c008ecaf6b854a736f4d57cda6aef0c23a9b26a", kill_on_drop: false }` [INFO] [stdout] a0ded750fcb8f1f992caf6a75c008ecaf6b854a736f4d57cda6aef0c23a9b26a