[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-Snailist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-Snailist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbdbffa72b203a05f2edf9e6a360f6009b6b7f14 [INFO] testing LearningOS/rust-rustlings-2023-autumn-Snailist against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-Snailist" "/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/LearningOS/rust-rustlings-2023-autumn-Snailist on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing LearningOS/rust-rustlings-2023-autumn-Snailist against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-Snailist" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing LearningOS/rust-rustlings-2023-autumn-Snailist against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-Snailist" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-Snailist 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fbb23d831b3d793a56a2f56d56cf48aa87ea330fc45fc0781229f8133377a2ae [INFO] running `Command { std: "docker" "start" "-a" "fbb23d831b3d793a56a2f56d56cf48aa87ea330fc45fc0781229f8133377a2ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fbb23d831b3d793a56a2f56d56cf48aa87ea330fc45fc0781229f8133377a2ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbb23d831b3d793a56a2f56d56cf48aa87ea330fc45fc0781229f8133377a2ae", kill_on_drop: false }` [INFO] [stdout] fbb23d831b3d793a56a2f56d56cf48aa87ea330fc45fc0781229f8133377a2ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47d6c6e3009f86b656fde870d16509b27f8f92c42970496b9779a0d2698cfb66 [INFO] running `Command { std: "docker" "start" "-a" "47d6c6e3009f86b656fde870d16509b27f8f92c42970496b9779a0d2698cfb66", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling lazycell v1.3.0 [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 argh_shared v0.1.10 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling regex v1.9.1 [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 21.02s [INFO] running `Command { std: "docker" "inspect" "47d6c6e3009f86b656fde870d16509b27f8f92c42970496b9779a0d2698cfb66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47d6c6e3009f86b656fde870d16509b27f8f92c42970496b9779a0d2698cfb66", kill_on_drop: false }` [INFO] [stdout] 47d6c6e3009f86b656fde870d16509b27f8f92c42970496b9779a0d2698cfb66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 308aa7b10b606939b9ff0df29e9ab0d900fb4ce10af6fd2a0136d8053c06ab35 [INFO] running `Command { std: "docker" "start" "-a" "308aa7b10b606939b9ff0df29e9ab0d900fb4ce10af6fd2a0136d8053c06ab35", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling termtree v0.4.1 [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 4.64s [INFO] running `Command { std: "docker" "inspect" "308aa7b10b606939b9ff0df29e9ab0d900fb4ce10af6fd2a0136d8053c06ab35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "308aa7b10b606939b9ff0df29e9ab0d900fb4ce10af6fd2a0136d8053c06ab35", kill_on_drop: false }` [INFO] [stdout] 308aa7b10b606939b9ff0df29e9ab0d900fb4ce10af6fd2a0136d8053c06ab35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c4b0bb5a5be6ab0abab09867424287e98c70a8444280fd52251b44068ce25f62 [INFO] running `Command { std: "docker" "start" "-a" "c4b0bb5a5be6ab0abab09867424287e98c70a8444280fd52251b44068ce25f62", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-7ed0a2de207f3fae) [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: 0x56549cda8895 - std::backtrace_rs::backtrace::libunwind::trace::h68acc96dd29bfb25 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x56549cda8895 - std::backtrace_rs::backtrace::trace_unsynchronized::hc833f810d39d5258 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56549cda8895 - std::sys::backtrace::_print_fmt::h5f23caa5b7652308 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56549cda8895 - ::fmt::hc81f55a2b3efffd1 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56549cdd073b - core::fmt::rt::Argument::fmt::h731d8ba6b9c446d6 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56549cdd073b - core::fmt::write::h6e5816e68b47f713 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x56549cda5b8f - std::io::Write::write_fmt::h3726facc0aa8eb67 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x56549cdaa0b1 - std::sys::backtrace::BacktraceLock::print::hb98272574ac3b700 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x56549cdaa0b1 - std::panicking::default_hook::{{closure}}::h979aa01ca70f7f8f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x56549cda9c58 - std::panicking::default_hook::h17e52f086133e6fd [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x56549cb336aa - as core::ops::function::Fn>::call::h4e1615f02d9f709a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x56549cb336aa - test::test_main::{{closure}}::hc8df444856fcb257 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x56549cdaa9bf - as core::ops::function::Fn>::call::hac606c4d68b970a6 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x56549cdaa9bf - std::panicking::rust_panic_with_hook::h694bfcec6451de5a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x56549cdaa5e7 - std::panicking::begin_panic_handler::{{closure}}::hbd9f22f307951c96 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x56549cda8d59 - std::sys::backtrace::__rust_end_short_backtrace::h6e4502eb3c3e7834 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x56549cdaa274 - rust_begin_unwind [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x56549cdcec93 - core::panicking::panic_fmt::ha6b90685af50061f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x56549cdcf1e6 - core::result::unwrap_failed::hd560a7b205ae5674 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x56549caf13ca - core::result::Result::unwrap::h37391c829e1976b3 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x56549caf13ca - rustlings::exercise::test::test_clean::hfa59dd11e1f0dc86 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x56549caf1307 - rustlings::exercise::test::test_clean::{{closure}}::hb263685013990eeb [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x56549caee4d6 - core::ops::function::FnOnce::call_once::h49a53a4b69ccb15d [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x56549cb3822b - core::ops::function::FnOnce::call_once::h321fab3f659b8f1c [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x56549cb3822b - test::__rust_begin_short_backtrace::h7bcdd7ef45d5d11d [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x56549cb37a45 - test::run_test_in_process::{{closure}}::h7e5c4c77b843c962 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x56549cb37a45 - as core::ops::function::FnOnce<()>>::call_once::h9465365bda0c96e1 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x56549cb37a45 - std::panicking::try::do_call::h464859d60fe36ac8 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x56549cb37a45 - std::panicking::try::h10bb685f1ad0ff38 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x56549cb37a45 - std::panic::catch_unwind::hf3392dbe1556c5c7 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x56549cb37a45 - test::run_test_in_process::hc7c0ab6dab190e49 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x56549cb37a45 - test::run_test::{{closure}}::hdb2183b5de946a08 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x56549cafd314 - test::run_test::{{closure}}::h8dcd9e4e5e3fbe5f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x56549cafd314 - std::sys::backtrace::__rust_begin_short_backtrace::h41bf17e9b9ace8bc [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x56549cb00ae2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h63bd96fcdd52032f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x56549cb00ae2 - as core::ops::function::FnOnce<()>>::call_once::ha8ff5ca2e19c8b3f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x56549cb00ae2 - std::panicking::try::do_call::h2c72967242944c46 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x56549cb00ae2 - std::panicking::try::h84beb938f6030c53 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x56549cb00ae2 - std::panic::catch_unwind::hca4383a7a644e749 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x56549cb00ae2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h88915884a74f8e2a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x56549cb00ae2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4c032c9efdb7212a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x56549cdaeceb - as core::ops::function::FnOnce>::call_once::h809cb44187f4e360 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x56549cdaeceb - as core::ops::function::FnOnce>::call_once::h670f08f0ab61db1b [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x56549cdaeceb - std::sys::pal::unix::thread::Thread::new::thread_start::hee2b0396d7ed5bcb [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7f6d9713eac3 - [INFO] [stdout] 45: 0x7f6d971cfa04 - 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/./rmetaFnBKwM\"\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: 0x56549cda8895 - std::backtrace_rs::backtrace::libunwind::trace::h68acc96dd29bfb25 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x56549cda8895 - std::backtrace_rs::backtrace::trace_unsynchronized::hc833f810d39d5258 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56549cda8895 - std::sys::backtrace::_print_fmt::h5f23caa5b7652308 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56549cda8895 - ::fmt::hc81f55a2b3efffd1 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56549cdd073b - core::fmt::rt::Argument::fmt::h731d8ba6b9c446d6 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56549cdd073b - core::fmt::write::h6e5816e68b47f713 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x56549cda5b8f - std::io::Write::write_fmt::h3726facc0aa8eb67 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x56549cdaa0b1 - std::sys::backtrace::BacktraceLock::print::hb98272574ac3b700 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x56549cdaa0b1 - std::panicking::default_hook::{{closure}}::h979aa01ca70f7f8f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x56549cda9c58 - std::panicking::default_hook::h17e52f086133e6fd [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x56549cb336aa - as core::ops::function::Fn>::call::h4e1615f02d9f709a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x56549cb336aa - test::test_main::{{closure}}::hc8df444856fcb257 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x56549cdaa9bf - as core::ops::function::Fn>::call::hac606c4d68b970a6 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x56549cdaa9bf - std::panicking::rust_panic_with_hook::h694bfcec6451de5a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x56549cdaa5e7 - std::panicking::begin_panic_handler::{{closure}}::hbd9f22f307951c96 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x56549cda8d59 - std::sys::backtrace::__rust_end_short_backtrace::h6e4502eb3c3e7834 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x56549cdaa274 - rust_begin_unwind [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x56549cdcec93 - core::panicking::panic_fmt::ha6b90685af50061f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x56549cdcf1e6 - core::result::unwrap_failed::hd560a7b205ae5674 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x56549caf222a - core::result::Result::unwrap::he7db69b6d07ed573 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x56549caf222a - rustlings::exercise::test::test_exercise_with_output::h117e2d6a8ddf5169 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x56549caf2037 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h6a4319bd1f6a6212 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x56549caee476 - core::ops::function::FnOnce::call_once::h10adcc819ded81de [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x56549cb3822b - core::ops::function::FnOnce::call_once::h321fab3f659b8f1c [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x56549cb3822b - test::__rust_begin_short_backtrace::h7bcdd7ef45d5d11d [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x56549cb37a45 - test::run_test_in_process::{{closure}}::h7e5c4c77b843c962 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x56549cb37a45 - as core::ops::function::FnOnce<()>>::call_once::h9465365bda0c96e1 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x56549cb37a45 - std::panicking::try::do_call::h464859d60fe36ac8 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x56549cb37a45 - std::panicking::try::h10bb685f1ad0ff38 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x56549cb37a45 - std::panic::catch_unwind::hf3392dbe1556c5c7 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x56549cb37a45 - test::run_test_in_process::hc7c0ab6dab190e49 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x56549cb37a45 - test::run_test::{{closure}}::hdb2183b5de946a08 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x56549cafd314 - test::run_test::{{closure}}::h8dcd9e4e5e3fbe5f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x56549cafd314 - std::sys::backtrace::__rust_begin_short_backtrace::h41bf17e9b9ace8bc [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x56549cb00ae2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h63bd96fcdd52032f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x56549cb00ae2 - as core::ops::function::FnOnce<()>>::call_once::ha8ff5ca2e19c8b3f [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x56549cb00ae2 - std::panicking::try::do_call::h2c72967242944c46 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x56549cb00ae2 - std::panicking::try::h84beb938f6030c53 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x56549cb00ae2 - std::panic::catch_unwind::hca4383a7a644e749 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x56549cb00ae2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h88915884a74f8e2a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x56549cb00ae2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4c032c9efdb7212a [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x56549cdaeceb - as core::ops::function::FnOnce>::call_once::h809cb44187f4e360 [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x56549cdaeceb - as core::ops::function::FnOnce>::call_once::h670f08f0ab61db1b [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x56549cdaeceb - std::sys::pal::unix::thread::Thread::new::thread_start::hee2b0396d7ed5bcb [INFO] [stdout] at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7f6d9713eac3 - [INFO] [stdout] 45: 0x7f6d971cfa04 - 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 0.05s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "c4b0bb5a5be6ab0abab09867424287e98c70a8444280fd52251b44068ce25f62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4b0bb5a5be6ab0abab09867424287e98c70a8444280fd52251b44068ce25f62", kill_on_drop: false }` [INFO] [stdout] c4b0bb5a5be6ab0abab09867424287e98c70a8444280fd52251b44068ce25f62