[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops [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-MiaoHao-oops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-MiaoHao-oops", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-MiaoHao-oops'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 097237b9eabbd86c9d339d7aa6866942e07bfda4 [INFO] testing LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-MiaoHao-oops" "/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-MiaoHao-oops on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops 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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "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-MiaoHao-oops against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-MiaoHao-oops" "/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-MiaoHao-oops on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-MiaoHao-oops 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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1800f1ce46cd5a0e1ad47759588a20266952d4261883d96b2d30b8c9f5dbc0fb [INFO] running `Command { std: "docker" "start" "-a" "1800f1ce46cd5a0e1ad47759588a20266952d4261883d96b2d30b8c9f5dbc0fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1800f1ce46cd5a0e1ad47759588a20266952d4261883d96b2d30b8c9f5dbc0fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1800f1ce46cd5a0e1ad47759588a20266952d4261883d96b2d30b8c9f5dbc0fb", kill_on_drop: false }` [INFO] [stdout] 1800f1ce46cd5a0e1ad47759588a20266952d4261883d96b2d30b8c9f5dbc0fb [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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d684c25c392de4ab970126632c0799e222b8125477a12f6fbd066e38a303825b [INFO] running `Command { std: "docker" "start" "-a" "d684c25c392de4ab970126632c0799e222b8125477a12f6fbd066e38a303825b", 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 parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [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 lazycell v1.3.0 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling syn v1.0.109 [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 filetime v0.2.21 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling console v0.15.7 [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 regex-automata v0.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling 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 28.63s [INFO] running `Command { std: "docker" "inspect" "d684c25c392de4ab970126632c0799e222b8125477a12f6fbd066e38a303825b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d684c25c392de4ab970126632c0799e222b8125477a12f6fbd066e38a303825b", kill_on_drop: false }` [INFO] [stdout] d684c25c392de4ab970126632c0799e222b8125477a12f6fbd066e38a303825b [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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b8e38657b665147ebc58451e7d95f9ef9524fabb63abe5bffb5c13a90cff625 [INFO] running `Command { std: "docker" "start" "-a" "0b8e38657b665147ebc58451e7d95f9ef9524fabb63abe5bffb5c13a90cff625", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.29s [INFO] running `Command { std: "docker" "inspect" "0b8e38657b665147ebc58451e7d95f9ef9524fabb63abe5bffb5c13a90cff625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b8e38657b665147ebc58451e7d95f9ef9524fabb63abe5bffb5c13a90cff625", kill_on_drop: false }` [INFO] [stdout] 0b8e38657b665147ebc58451e7d95f9ef9524fabb63abe5bffb5c13a90cff625 [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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3a72315460f3cca0d94b5c77dfd1a94ba7adbcc05b70133ac4a4a9eeaaa7ad58 [INFO] running `Command { std: "docker" "start" "-a" "3a72315460f3cca0d94b5c77dfd1a94ba7adbcc05b70133ac4a4a9eeaaa7ad58", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-7ed0a2de207f3fae) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] 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: 0x55ed0464d055 - std::backtrace_rs::backtrace::libunwind::trace::h00ba42e7ea42c749 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x55ed0464d055 - std::backtrace_rs::backtrace::trace_unsynchronized::h9c418817641943a2 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ed0464d055 - std::sys_common::backtrace::_print_fmt::h16d2f41e50524011 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55ed0464d055 - ::fmt::h024be4e490be0e9e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55ed04675a8b - core::fmt::rt::Argument::fmt::h374c4cfff31e7096 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/fmt/rt.rs:165:63 [INFO] [stdout] 5: 0x55ed04675a8b - core::fmt::write::hff043ad91cd7da0c [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/fmt/mod.rs:1172:21 [INFO] [stdout] 6: 0x55ed0464a31f - std::io::Write::write_fmt::hcbb4cf2cdd848a5b [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/io/mod.rs:1835:15 [INFO] [stdout] 7: 0x55ed0464ce2e - std::sys_common::backtrace::_print::hdfa36fb392c08b8d [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55ed0464ce2e - std::sys_common::backtrace::print::h798da7279a9c7ae4 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55ed0464e889 - std::panicking::default_hook::{{closure}}::h9b61607b4c5732c1 [INFO] [stdout] 10: 0x55ed0464e4f6 - std::panicking::default_hook::hc6544668bd872893 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:295:9 [INFO] [stdout] 11: 0x55ed043e5cda - as core::ops::function::Fn>::call::h9d3afca40a444cde [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 12: 0x55ed043e5cda - test::test_main::{{closure}}::h3c541e298fe81c6f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x55ed0464eefb - as core::ops::function::Fn>::call::h1eb54927ae01d97f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 14: 0x55ed0464eefb - std::panicking::rust_panic_with_hook::h468693c9efe3a031 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:799:13 [INFO] [stdout] 15: 0x55ed0464ec74 - std::panicking::begin_panic_handler::{{closure}}::h98a70b5e29207c8e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:664:13 [INFO] [stdout] 16: 0x55ed0464d519 - std::sys_common::backtrace::__rust_end_short_backtrace::h611a979064209015 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55ed0464e9a7 - rust_begin_unwind [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:652:5 [INFO] [stdout] 18: 0x55ed04673fa3 - core::panicking::panic_fmt::hb6dc9aface1df13b [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55ed04674566 - core::result::unwrap_failed::h68f46d2f65fd037f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/result.rs:1658:5 [INFO] [stdout] 20: 0x55ed043a8fea - core::result::Result::unwrap::h0a98172327784c75 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/result.rs:1081:23 [INFO] [stdout] 21: 0x55ed043a8fea - rustlings::exercise::test::test_clean::heb15987e69943f03 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 22: 0x55ed043a8f27 - rustlings::exercise::test::test_clean::{{closure}}::hf2808fa826239636 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 23: 0x55ed0439ebb6 - core::ops::function::FnOnce::call_once::h1d6208234a74dadf [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55ed043ea50b - core::ops::function::FnOnce::call_once::h83b9e7210d04f0be [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55ed043ea50b - test::__rust_begin_short_backtrace::hc51e2566ee553989 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:625:18 [INFO] [stdout] 26: 0x55ed043e9c61 - test::run_test_in_process::{{closure}}::h507f8c4135041c73 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:648:60 [INFO] [stdout] 27: 0x55ed043e9c61 - as core::ops::function::FnOnce<()>>::call_once::hd632d14c2c0c86cc [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x55ed043e9c61 - std::panicking::try::do_call::he7cb1a3635628c20 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:559:40 [INFO] [stdout] 29: 0x55ed043e9c61 - std::panicking::try::h254585cffc0ff5cb [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:523:19 [INFO] [stdout] 30: 0x55ed043e9c61 - std::panic::catch_unwind::h30903f0fa4711873 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panic.rs:149:14 [INFO] [stdout] 31: 0x55ed043e9c61 - test::run_test_in_process::h270fbcadd28ef446 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:648:27 [INFO] [stdout] 32: 0x55ed043e9c61 - test::run_test::{{closure}}::h18e4da806d3313a0 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:569:43 [INFO] [stdout] 33: 0x55ed043b19b4 - test::run_test::{{closure}}::hc076b6d6ee9c0fac [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:599:41 [INFO] [stdout] 34: 0x55ed043b19b4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4f576a631d422da3 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x55ed043b6342 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hefe4a7694b5d43cd [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/thread/mod.rs:542:17 [INFO] [stdout] 36: 0x55ed043b6342 - as core::ops::function::FnOnce<()>>::call_once::hf636fa9a6585dda1 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x55ed043b6342 - std::panicking::try::do_call::h96113252ae0170f4 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:559:40 [INFO] [stdout] 38: 0x55ed043b6342 - std::panicking::try::h8973076d4927ad1d [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:523:19 [INFO] [stdout] 39: 0x55ed043b6342 - std::panic::catch_unwind::h19e5115b032f0ef3 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panic.rs:149:14 [INFO] [stdout] 40: 0x55ed043b6342 - std::thread::Builder::spawn_unchecked_::{{closure}}::h94b93148b33165cc [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/thread/mod.rs:541:30 [INFO] [stdout] 41: 0x55ed043b6342 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6156e4ffab7355ca [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55ed046532db - as core::ops::function::FnOnce>::call_once::h55fe8ae975f6a9ec [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 43: 0x55ed046532db - as core::ops::function::FnOnce>::call_once::hfe87b9909955678e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 44: 0x55ed046532db - std::sys::pal::unix::thread::Thread::new::thread_start::h7a534a78099446c7 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f6844f6eac3 - [INFO] [stdout] 46: 0x7f6844fffa04 - __clone [INFO] [stdout] 47: 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/./rmetaR5wHCx\"\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: 0x55ed0464d055 - std::backtrace_rs::backtrace::libunwind::trace::h00ba42e7ea42c749 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x55ed0464d055 - std::backtrace_rs::backtrace::trace_unsynchronized::h9c418817641943a2 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ed0464d055 - std::sys_common::backtrace::_print_fmt::h16d2f41e50524011 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55ed0464d055 - ::fmt::h024be4e490be0e9e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55ed04675a8b - core::fmt::rt::Argument::fmt::h374c4cfff31e7096 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/fmt/rt.rs:165:63 [INFO] [stdout] 5: 0x55ed04675a8b - core::fmt::write::hff043ad91cd7da0c [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/fmt/mod.rs:1172:21 [INFO] [stdout] 6: 0x55ed0464a31f - std::io::Write::write_fmt::hcbb4cf2cdd848a5b [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/io/mod.rs:1835:15 [INFO] [stdout] 7: 0x55ed0464ce2e - std::sys_common::backtrace::_print::hdfa36fb392c08b8d [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55ed0464ce2e - std::sys_common::backtrace::print::h798da7279a9c7ae4 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55ed0464e889 - std::panicking::default_hook::{{closure}}::h9b61607b4c5732c1 [INFO] [stdout] 10: 0x55ed0464e4f6 - std::panicking::default_hook::hc6544668bd872893 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:295:9 [INFO] [stdout] 11: 0x55ed043e5cda - as core::ops::function::Fn>::call::h9d3afca40a444cde [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 12: 0x55ed043e5cda - test::test_main::{{closure}}::h3c541e298fe81c6f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x55ed0464eefb - as core::ops::function::Fn>::call::h1eb54927ae01d97f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 14: 0x55ed0464eefb - std::panicking::rust_panic_with_hook::h468693c9efe3a031 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:799:13 [INFO] [stdout] 15: 0x55ed0464ec74 - std::panicking::begin_panic_handler::{{closure}}::h98a70b5e29207c8e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:664:13 [INFO] [stdout] 16: 0x55ed0464d519 - std::sys_common::backtrace::__rust_end_short_backtrace::h611a979064209015 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55ed0464e9a7 - rust_begin_unwind [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:652:5 [INFO] [stdout] 18: 0x55ed04673fa3 - core::panicking::panic_fmt::hb6dc9aface1df13b [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55ed04674566 - core::result::unwrap_failed::h68f46d2f65fd037f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/result.rs:1658:5 [INFO] [stdout] 20: 0x55ed043a9e4a - core::result::Result::unwrap::h0b7426a0e6ddf963 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/result.rs:1081:23 [INFO] [stdout] 21: 0x55ed043a9e4a - rustlings::exercise::test::test_exercise_with_output::h40a0f65e15cdd877 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 22: 0x55ed043a9c57 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hfddc905d85980ad5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 23: 0x55ed0439ece6 - core::ops::function::FnOnce::call_once::hadf3daba83af5306 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55ed043ea50b - core::ops::function::FnOnce::call_once::h83b9e7210d04f0be [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55ed043ea50b - test::__rust_begin_short_backtrace::hc51e2566ee553989 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:625:18 [INFO] [stdout] 26: 0x55ed043e9c61 - test::run_test_in_process::{{closure}}::h507f8c4135041c73 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:648:60 [INFO] [stdout] 27: 0x55ed043e9c61 - as core::ops::function::FnOnce<()>>::call_once::hd632d14c2c0c86cc [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x55ed043e9c61 - std::panicking::try::do_call::he7cb1a3635628c20 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:559:40 [INFO] [stdout] 29: 0x55ed043e9c61 - std::panicking::try::h254585cffc0ff5cb [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:523:19 [INFO] [stdout] 30: 0x55ed043e9c61 - std::panic::catch_unwind::h30903f0fa4711873 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panic.rs:149:14 [INFO] [stdout] 31: 0x55ed043e9c61 - test::run_test_in_process::h270fbcadd28ef446 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:648:27 [INFO] [stdout] 32: 0x55ed043e9c61 - test::run_test::{{closure}}::h18e4da806d3313a0 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:569:43 [INFO] [stdout] 33: 0x55ed043b19b4 - test::run_test::{{closure}}::hc076b6d6ee9c0fac [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:599:41 [INFO] [stdout] 34: 0x55ed043b19b4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4f576a631d422da3 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x55ed043b6342 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hefe4a7694b5d43cd [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/thread/mod.rs:542:17 [INFO] [stdout] 36: 0x55ed043b6342 - as core::ops::function::FnOnce<()>>::call_once::hf636fa9a6585dda1 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x55ed043b6342 - std::panicking::try::do_call::h96113252ae0170f4 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:559:40 [INFO] [stdout] 38: 0x55ed043b6342 - std::panicking::try::h8973076d4927ad1d [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:523:19 [INFO] [stdout] 39: 0x55ed043b6342 - std::panic::catch_unwind::h19e5115b032f0ef3 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panic.rs:149:14 [INFO] [stdout] 40: 0x55ed043b6342 - std::thread::Builder::spawn_unchecked_::{{closure}}::h94b93148b33165cc [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/thread/mod.rs:541:30 [INFO] [stdout] 41: 0x55ed043b6342 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6156e4ffab7355ca [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55ed046532db - as core::ops::function::FnOnce>::call_once::h55fe8ae975f6a9ec [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 43: 0x55ed046532db - as core::ops::function::FnOnce>::call_once::hfe87b9909955678e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 44: 0x55ed046532db - std::sys::pal::unix::thread::Thread::new::thread_start::h7a534a78099446c7 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f6844f6eac3 - [INFO] [stdout] 46: 0x7f6844fffa04 - __clone [INFO] [stdout] 47: 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" "3a72315460f3cca0d94b5c77dfd1a94ba7adbcc05b70133ac4a4a9eeaaa7ad58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a72315460f3cca0d94b5c77dfd1a94ba7adbcc05b70133ac4a4a9eeaaa7ad58", kill_on_drop: false }` [INFO] [stdout] 3a72315460f3cca0d94b5c77dfd1a94ba7adbcc05b70133ac4a4a9eeaaa7ad58