[INFO] cloning repository https://github.com/tdechanet/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdechanet/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdechanet%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdechanet%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ae6329e55a1426a3e5821e71f666c1ea80ce7f3 [INFO] testing tdechanet/rustlings against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdechanet%2Frustlings" "/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/tdechanet/rustlings on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tdechanet/rustlings [INFO] finished tweaking git repo https://github.com/tdechanet/rustlings [INFO] tweaked toml for git repo https://github.com/tdechanet/rustlings written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tdechanet/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-targets v0.52.5 [INFO] [stderr] Downloaded which v6.0.1 [INFO] [stderr] Downloaded difflib v0.4.0 [INFO] [stderr] Downloaded autocfg v1.2.0 [INFO] [stderr] Downloaded doc-comment v0.3.3 [INFO] [stderr] Downloaded winnow v0.6.6 [INFO] [stderr] Downloaded termtree v0.4.1 [INFO] [stderr] Downloaded anyhow v1.0.82 [INFO] [stderr] Downloaded serde_derive v1.0.198 [INFO] [stderr] Downloaded clap v4.5.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.81 [INFO] [stderr] Downloaded toml_edit v0.22.11 [INFO] [stderr] Downloaded serde_json v1.0.116 [INFO] [stderr] Downloaded serde v1.0.198 [INFO] [stderr] Downloaded portable-atomic v1.6.0 [INFO] [stderr] Downloaded bitflags v2.5.0 [INFO] [stderr] Downloaded memchr v2.7.2 [INFO] [stderr] Downloaded clap_builder v4.5.2 [INFO] [stderr] Downloaded assert_cmd v2.0.14 [INFO] [stderr] Downloaded anstream v0.6.13 [INFO] [stderr] Downloaded regex v1.10.4 [INFO] [stderr] Downloaded syn v2.0.60 [INFO] [stderr] Downloaded clap_derive v4.5.4 [INFO] [stderr] Downloaded rustix v0.38.32 [INFO] [stderr] Downloaded regex-syntax v0.8.3 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.52.5 [INFO] [stderr] Downloaded inotify v0.9.6 [INFO] [stderr] Downloaded winsafe v0.0.19 [INFO] [stderr] Downloaded notify v6.1.1 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.52.5 [INFO] [stderr] Downloaded windows_i686_gnullvm v0.52.5 [INFO] [stderr] Downloaded notify-debouncer-mini v0.4.1 [INFO] [stderr] Downloaded either v1.11.0 [INFO] [stderr] Downloaded predicates-tree v1.0.9 [INFO] [stderr] Downloaded wait-timeout v0.2.0 [INFO] [stderr] Downloaded clap_lex v0.7.0 [INFO] [stderr] Downloaded fsevent-sys v4.1.0 [INFO] [stderr] Downloaded kqueue v1.0.8 [INFO] [stderr] Downloaded predicates-core v1.0.6 [INFO] [stderr] Downloaded predicates v3.1.0 [INFO] [stderr] Downloaded serde_spanned v0.6.5 [INFO] [stderr] Downloaded kqueue-sys v1.0.4 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.5 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.5 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.5 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.5 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.5 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2dab1e3e1c0ddad004325cba827c8f3c29474557adab6242ae63984ef70a2bbe [INFO] running `Command { std: "docker" "start" "-a" "2dab1e3e1c0ddad004325cba827c8f3c29474557adab6242ae63984ef70a2bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dab1e3e1c0ddad004325cba827c8f3c29474557adab6242ae63984ef70a2bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dab1e3e1c0ddad004325cba827c8f3c29474557adab6242ae63984ef70a2bbe", kill_on_drop: false }` [INFO] [stdout] 2dab1e3e1c0ddad004325cba827c8f3c29474557adab6242ae63984ef70a2bbe [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=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f461aab9f5e41c107decca457948a875cad6a7bd39c445ab91a8211bcb7d756 [INFO] running `Command { std: "docker" "start" "-a" "6f461aab9f5e41c107decca457948a875cad6a7bd39c445ab91a8211bcb7d756", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde v1.0.198 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling anstyle-query v1.0.2 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.6 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling anyhow v1.0.82 [INFO] [stderr] Compiling anstyle-parse v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.116 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling anstream v0.6.13 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling either v1.11.0 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling winnow v0.6.6 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling syn v2.0.60 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling indicatif v0.17.8 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling which v6.0.1 [INFO] [stderr] Compiling serde_derive v1.0.198 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling serde_spanned v0.6.5 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling toml_edit v0.22.11 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.31s [INFO] running `Command { std: "docker" "inspect" "6f461aab9f5e41c107decca457948a875cad6a7bd39c445ab91a8211bcb7d756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f461aab9f5e41c107decca457948a875cad6a7bd39c445ab91a8211bcb7d756", kill_on_drop: false }` [INFO] [stdout] 6f461aab9f5e41c107decca457948a875cad6a7bd39c445ab91a8211bcb7d756 [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=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c387425a134666a285a7a7cec398939555e18383df2d804b79e6ee8a0b6c38c1 [INFO] running `Command { std: "docker" "start" "-a" "c387425a134666a285a7a7cec398939555e18383df2d804b79e6ee8a0b6c38c1", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling assert_cmd v2.0.14 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling bstr v1.9.1 [INFO] [stderr] Compiling predicates v3.1.0 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.87s [INFO] running `Command { std: "docker" "inspect" "c387425a134666a285a7a7cec398939555e18383df2d804b79e6ee8a0b6c38c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c387425a134666a285a7a7cec398939555e18383df2d804b79e6ee8a0b6c38c1", kill_on_drop: false }` [INFO] [stdout] c387425a134666a285a7a7cec398939555e18383df2d804b79e6ee8a0b6c38c1 [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=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a8c48ea3623a9ffd152d45a95c06e8d9b5b3dbac6d427c1fc4c38cf55aac62e9 [INFO] running `Command { std: "docker" "start" "-a" "a8c48ea3623a9ffd152d45a95c06e8d9b5b3dbac6d427c1fc4c38cf55aac62e9", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-8c5ad2cf2a1cecba) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_not_done ... 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:354:35: [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: 0x603fe41b2cc2 - std::backtrace_rs::backtrace::libunwind::trace::hf010e1dbae51cb72 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x603fe41b2cc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hfea1b1ce70c8ef04 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x603fe41b2cc2 - std::sys::backtrace::_print_fmt::h2997a50d2484a6a6 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x603fe41b2cc2 - ::fmt::h7fb80f6afbe41a33 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x603fe41da0f3 - core::fmt::rt::Argument::fmt::hd3a68c3e7e846625 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/fmt/rt.rs:185:76 [INFO] [stdout] 5: 0x603fe41da0f3 - core::fmt::write::h000527be0eea6fe8 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x603fe41af883 - std::io::Write::write_fmt::h5402e677befea770 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x603fe41b2b12 - std::sys::backtrace::BacktraceLock::print::hffad87dde00cbe3e [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x603fe41b416a - std::panicking::default_hook::{{closure}}::ha46397973bec1239 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x603fe41b3f59 - std::panicking::default_hook::h706de72a1550eed4 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x603fe4171ae7 - as core::ops::function::Fn>::call::hde091e5c6e92bb68 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 11: 0x603fe4171ae7 - test::test_main::{{closure}}::h769424ff54c41197 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x603fe41b4c53 - as core::ops::function::Fn>::call::hbd7480c9dddf3315 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 13: 0x603fe41b4c53 - std::panicking::rust_panic_with_hook::h6666776865bd21f5 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x603fe41b490a - std::panicking::begin_panic_handler::{{closure}}::hb8595612365d24db [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x603fe41b31b9 - std::sys::backtrace::__rust_end_short_backtrace::h7037f177c7ae4ed3 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x603fe41b459d - rust_begin_unwind [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x603fe41d8b20 - core::panicking::panic_fmt::hd26142fa9828e2a3 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x603fe41d8f96 - core::result::unwrap_failed::hfccce26cc7701817 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x603fe4134384 - core::result::Result::unwrap::hef25e6a75605fc40 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x603fe4134384 - rustlings::exercise::test::test_clean::h1d5d86bff3d4e33c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:354:9 [INFO] [stdout] 21: 0x603fe4134307 - rustlings::exercise::test::test_clean::{{closure}}::ha187f10419dfa361 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:353:20 [INFO] [stdout] 22: 0x603fe412e386 - core::ops::function::FnOnce::call_once::he05b76c8754792f8 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x603fe41773eb - core::ops::function::FnOnce::call_once::h537cb3ba0681a85d [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x603fe41773eb - test::__rust_begin_short_backtrace::ha34590b284b8a909 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:638:18 [INFO] [stdout] 25: 0x603fe4176485 - test::run_test_in_process::{{closure}}::h7e5cb0195a5ea6a6 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:661:60 [INFO] [stdout] 26: 0x603fe4176485 - as core::ops::function::FnOnce<()>>::call_once::h4fd7826f39023efe [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x603fe4176485 - std::panicking::try::do_call::h840562177f324507 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x603fe4176485 - std::panicking::try::h2360ed2f8f8e7bd8 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x603fe4176485 - std::panic::catch_unwind::h98cd8da2f8eb8f7b [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x603fe4176485 - test::run_test_in_process::hcd6b1143eaf140ef [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:661:27 [INFO] [stdout] 31: 0x603fe4176485 - test::run_test::{{closure}}::h12da0337272887dc [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:582:43 [INFO] [stdout] 32: 0x603fe4139474 - test::run_test::{{closure}}::h11d537cad5364bdc [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:612:41 [INFO] [stdout] 33: 0x603fe4139474 - std::sys::backtrace::__rust_begin_short_backtrace::h5f533949825eb644 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x603fe413ceda - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf8cffede9b676267 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x603fe413ceda - as core::ops::function::FnOnce<()>>::call_once::h3160424131f9b05b [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x603fe413ceda - std::panicking::try::do_call::h4821f856f783960c [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x603fe413ceda - std::panicking::try::hd6726363e8162e27 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x603fe413ceda - std::panic::catch_unwind::hb75a27d7bd2912cb [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x603fe413ceda - std::thread::Builder::spawn_unchecked_::{{closure}}::h36d5666a81748b85 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x603fe413ceda - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha3d6556f1deabcaf [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x603fe41b840b - as core::ops::function::FnOnce>::call_once::h454485597884df01 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 42: 0x603fe41b840b - as core::ops::function::FnOnce>::call_once::h421b8b5dc09cf3b4 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 43: 0x603fe41b840b - std::sys::pal::unix::thread::Thread::new::thread_start::ha1530b93ff336c49 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/pal/unix/thread.rs:109:17 [INFO] [stdout] 44: 0x7a90db4f0ac3 - [INFO] [stdout] 45: 0x7a90db581a04 - 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:445:38: [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/./rmetabJPCsK\"\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: 0x603fe41b2cc2 - std::backtrace_rs::backtrace::libunwind::trace::hf010e1dbae51cb72 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x603fe41b2cc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hfea1b1ce70c8ef04 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x603fe41b2cc2 - std::sys::backtrace::_print_fmt::h2997a50d2484a6a6 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x603fe41b2cc2 - ::fmt::h7fb80f6afbe41a33 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x603fe41da0f3 - core::fmt::rt::Argument::fmt::hd3a68c3e7e846625 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/fmt/rt.rs:185:76 [INFO] [stdout] 5: 0x603fe41da0f3 - core::fmt::write::h000527be0eea6fe8 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x603fe41af883 - std::io::Write::write_fmt::h5402e677befea770 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x603fe41b2b12 - std::sys::backtrace::BacktraceLock::print::hffad87dde00cbe3e [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x603fe41b416a - std::panicking::default_hook::{{closure}}::ha46397973bec1239 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x603fe41b3f59 - std::panicking::default_hook::h706de72a1550eed4 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x603fe4171ae7 - as core::ops::function::Fn>::call::hde091e5c6e92bb68 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 11: 0x603fe4171ae7 - test::test_main::{{closure}}::h769424ff54c41197 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x603fe41b4c53 - as core::ops::function::Fn>::call::hbd7480c9dddf3315 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 13: 0x603fe41b4c53 - std::panicking::rust_panic_with_hook::h6666776865bd21f5 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x603fe41b490a - std::panicking::begin_panic_handler::{{closure}}::hb8595612365d24db [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x603fe41b31b9 - std::sys::backtrace::__rust_end_short_backtrace::h7037f177c7ae4ed3 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x603fe41b459d - rust_begin_unwind [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x603fe41d8b20 - core::panicking::panic_fmt::hd26142fa9828e2a3 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x603fe41d8f96 - core::result::unwrap_failed::hfccce26cc7701817 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x603fe41351f2 - core::result::Result::unwrap::h304e48b1bf7da853 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x603fe41351f2 - rustlings::exercise::test::test_exercise_with_output::h967ef95a6dff9105 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:445:19 [INFO] [stdout] 21: 0x603fe4134ff7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::heb86d6c419db06f1 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:438:35 [INFO] [stdout] 22: 0x603fe412e306 - core::ops::function::FnOnce::call_once::ha5bee4e249612d45 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x603fe41773eb - core::ops::function::FnOnce::call_once::h537cb3ba0681a85d [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x603fe41773eb - test::__rust_begin_short_backtrace::ha34590b284b8a909 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:638:18 [INFO] [stdout] 25: 0x603fe4176485 - test::run_test_in_process::{{closure}}::h7e5cb0195a5ea6a6 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:661:60 [INFO] [stdout] 26: 0x603fe4176485 - as core::ops::function::FnOnce<()>>::call_once::h4fd7826f39023efe [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x603fe4176485 - std::panicking::try::do_call::h840562177f324507 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x603fe4176485 - std::panicking::try::h2360ed2f8f8e7bd8 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x603fe4176485 - std::panic::catch_unwind::h98cd8da2f8eb8f7b [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x603fe4176485 - test::run_test_in_process::hcd6b1143eaf140ef [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:661:27 [INFO] [stdout] 31: 0x603fe4176485 - test::run_test::{{closure}}::h12da0337272887dc [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:582:43 [INFO] [stdout] 32: 0x603fe4139474 - test::run_test::{{closure}}::h11d537cad5364bdc [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/test/src/lib.rs:612:41 [INFO] [stdout] 33: 0x603fe4139474 - std::sys::backtrace::__rust_begin_short_backtrace::h5f533949825eb644 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x603fe413ceda - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf8cffede9b676267 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x603fe413ceda - as core::ops::function::FnOnce<()>>::call_once::h3160424131f9b05b [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x603fe413ceda - std::panicking::try::do_call::h4821f856f783960c [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x603fe413ceda - std::panicking::try::hd6726363e8162e27 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x603fe413ceda - std::panic::catch_unwind::hb75a27d7bd2912cb [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x603fe413ceda - std::thread::Builder::spawn_unchecked_::{{closure}}::h36d5666a81748b85 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x603fe413ceda - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha3d6556f1deabcaf [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x603fe41b840b - as core::ops::function::FnOnce>::call_once::h454485597884df01 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 42: 0x603fe41b840b - as core::ops::function::FnOnce>::call_once::h421b8b5dc09cf3b4 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 43: 0x603fe41b840b - std::sys::pal::unix::thread::Thread::new::thread_start::ha1530b93ff336c49 [INFO] [stdout] at /rustc/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/library/std/src/sys/pal/unix/thread.rs:109:17 [INFO] [stdout] 44: 0x7a90db4f0ac3 - [INFO] [stdout] 45: 0x7a90db581a04 - 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. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "a8c48ea3623a9ffd152d45a95c06e8d9b5b3dbac6d427c1fc4c38cf55aac62e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8c48ea3623a9ffd152d45a95c06e8d9b5b3dbac6d427c1fc4c38cf55aac62e9", kill_on_drop: false }` [INFO] [stdout] a8c48ea3623a9ffd152d45a95c06e8d9b5b3dbac6d427c1fc4c38cf55aac62e9