[INFO] cloning repository https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-xiaoxiangmoe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-xiaoxiangmoe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed2fadef619b205d13f65db814c2e8bfbbc10f1f [INFO] testing LearningOS/learn_rust_rustlings-xiaoxiangmoe against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-xiaoxiangmoe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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/learn_rust_rustlings-xiaoxiangmoe against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-xiaoxiangmoe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-xiaoxiangmoe 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a18f7e21b63d4617394c158b542536da1684572e0fac89b0c21825f39c02a4e [INFO] running `Command { std: "docker" "start" "-a" "8a18f7e21b63d4617394c158b542536da1684572e0fac89b0c21825f39c02a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a18f7e21b63d4617394c158b542536da1684572e0fac89b0c21825f39c02a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a18f7e21b63d4617394c158b542536da1684572e0fac89b0c21825f39c02a4e", kill_on_drop: false }` [INFO] [stdout] 8a18f7e21b63d4617394c158b542536da1684572e0fac89b0c21825f39c02a4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44fb283de9b9b853d1f8f72f53c63319090f63ba087ce66d78239a889eb35a47 [INFO] running `Command { std: "docker" "start" "-a" "44fb283de9b9b853d1f8f72f53c63319090f63ba087ce66d78239a889eb35a47", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling rustlings v4.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.59s [INFO] running `Command { std: "docker" "inspect" "44fb283de9b9b853d1f8f72f53c63319090f63ba087ce66d78239a889eb35a47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44fb283de9b9b853d1f8f72f53c63319090f63ba087ce66d78239a889eb35a47", kill_on_drop: false }` [INFO] [stdout] 44fb283de9b9b853d1f8f72f53c63319090f63ba087ce66d78239a889eb35a47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61146622fe3eef62fa79ef0bebc3b94a66773dc54b123f0e90642280a1760f85 [INFO] running `Command { std: "docker" "start" "-a" "61146622fe3eef62fa79ef0bebc3b94a66773dc54b123f0e90642280a1760f85", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling predicates-tree v1.0.3 [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 v4.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `Command { std: "docker" "inspect" "61146622fe3eef62fa79ef0bebc3b94a66773dc54b123f0e90642280a1760f85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61146622fe3eef62fa79ef0bebc3b94a66773dc54b123f0e90642280a1760f85", kill_on_drop: false }` [INFO] [stdout] 61146622fe3eef62fa79ef0bebc3b94a66773dc54b123f0e90642280a1760f85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4686d1a70d8e84320da6c47df448ab4a8cbc291e547b10236fbec2bf212a3d53 [INFO] running `Command { std: "docker" "start" "-a" "4686d1a70d8e84320da6c47df448ab4a8cbc291e547b10236fbec2bf212a3d53", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/exercise.rs:109:20 [INFO] [stderr] | [INFO] [stderr] 109 | pub fn compile(&self) -> Result { [INFO] [stderr] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rustlings` (bin "rustlings") generated 1 warning [INFO] [stderr] warning: `rustlings` (bin "rustlings" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustlings-ff06e548b6a13742) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-785afc69b448555b) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:269:36: [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: 0x640b90acc742 - std::backtrace_rs::backtrace::libunwind::trace::h5edb72cc539d8d33 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x640b90acc742 - std::backtrace_rs::backtrace::trace_unsynchronized::h73d186ef976c5ae2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x640b90acc742 - std::sys::backtrace::_print_fmt::h4410012d384fde01 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x640b90acc742 - ::fmt::h281a579a27d691d5 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x640b90af24b3 - core::fmt::rt::Argument::fmt::h4c31bb6a3f4e4ed6 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x640b90af24b3 - core::fmt::write::hd1f1283e971fbb36 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/fmt/mod.rs:1465:25 [INFO] [stdout] 6: 0x640b90ac9873 - std::io::default_write_fmt::h6d6cb3ff48bb6394 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x640b90ac9873 - std::io::Write::write_fmt::h976b7a346c630898 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x640b90acc592 - std::sys::backtrace::BacktraceLock::print::h7cc2f8a0b7549773 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x640b90acdd6c - std::panicking::default_hook::{{closure}}::hc18f11ca3cc980d1 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x640b90acdbc2 - std::panicking::default_hook::h5207cd5928e5a9d2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x640b9095dcc4 - as core::ops::function::Fn>::call::h53735dbb2fff5e8e [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x640b9095dcc4 - test::test_main_with_exit_callback::{{closure}}::h8629ce54f7c62158 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x640b90ace84b - as core::ops::function::Fn>::call::hdd01dfa4f5d59fd2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x640b90ace84b - std::panicking::rust_panic_with_hook::he2975323910480e2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x640b90ace51a - std::panicking::begin_panic_handler::{{closure}}::hf6a73f8f68d2901d [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x640b90accc49 - std::sys::backtrace::__rust_end_short_backtrace::h91c7517b8fba4182 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x640b90ace1ad - __rustc[c30fa7112bbf6ac0]::rust_begin_unwind [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x640b90af0f60 - core::panicking::panic_fmt::h1dc18eebb9b6550e [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x640b90af13a6 - core::result::unwrap_failed::hf0cc4753dff8b804 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/result.rs:1761:5 [INFO] [stdout] 20: 0x640b9091d6fc - core::result::Result::unwrap::h27ffdcb1f74912b1 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/result.rs:1167:23 [INFO] [stdout] 21: 0x640b9091d6fc - rustlings::exercise::test::test_clean::hc3e74efe0f1be106 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:36 [INFO] [stdout] 22: 0x640b9091d637 - rustlings::exercise::test::test_clean::{{closure}}::h3933a94efb122d1d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:268:20 [INFO] [stdout] 23: 0x640b9091aff6 - core::ops::function::FnOnce::call_once::h09c4d5334da53bc8 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x640b909633bb - core::ops::function::FnOnce::call_once::hdd80366119caeff9 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x640b909633bb - test::__rust_begin_short_backtrace::h60798cb0fdc462bd [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x640b9096263e - test::run_test_in_process::{{closure}}::h81bd62fe0ddb1cae [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:671:74 [INFO] [stdout] 27: 0x640b9096263e - as core::ops::function::FnOnce<()>>::call_once::h6ee6466477e4c0dc [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x640b9096263e - std::panicking::catch_unwind::do_call::h01a79315147a2ca1 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x640b9096263e - std::panicking::catch_unwind::h831c87e90ef4f2d8 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x640b9096263e - std::panic::catch_unwind::h50e9876bcbc7c37f [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x640b9096263e - test::run_test_in_process::hd57ee4367ef533b2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x640b9096263e - test::run_test::{{closure}}::hd180abfe8d10b90d [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x640b90926234 - test::run_test::{{closure}}::hadea4433d10ac366 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x640b90926234 - std::sys::backtrace::__rust_begin_short_backtrace::hb136c48ddd0ced72 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x640b90929b2a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e392173a704e81a [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x640b90929b2a - as core::ops::function::FnOnce<()>>::call_once::h858a87db574d2ff4 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x640b90929b2a - std::panicking::catch_unwind::do_call::hff7ec4d4a59ca346 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x640b90929b2a - std::panicking::catch_unwind::h74378fed914955a4 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x640b90929b2a - std::panic::catch_unwind::hd644e75c809e87ce [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x640b90929b2a - std::thread::Builder::spawn_unchecked_::{{closure}}::h5c4ce65e6ea67c65 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x640b90929b2a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c391219c93831ae [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x640b90ad17a7 - as core::ops::function::FnOnce>::call_once::ha02f1268c87bf8cb [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x640b90ad17a7 - as core::ops::function::FnOnce>::call_once::ha9964535c0565e6a [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x640b90ad17a7 - std::sys::pal::unix::thread::Thread::new::thread_start::hd6a2768613f757f7 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 45: 0x7c39b373aaa4 - [INFO] [stdout] 46: 0x7c39b37c7a34 - clone [INFO] [stdout] 47: 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:342:38: [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/./rmetaNH2JPg\"\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: 0x640b90acc742 - std::backtrace_rs::backtrace::libunwind::trace::h5edb72cc539d8d33 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x640b90acc742 - std::backtrace_rs::backtrace::trace_unsynchronized::h73d186ef976c5ae2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x640b90acc742 - std::sys::backtrace::_print_fmt::h4410012d384fde01 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x640b90acc742 - ::fmt::h281a579a27d691d5 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x640b90af24b3 - core::fmt::rt::Argument::fmt::h4c31bb6a3f4e4ed6 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x640b90af24b3 - core::fmt::write::hd1f1283e971fbb36 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/fmt/mod.rs:1465:25 [INFO] [stdout] 6: 0x640b90ac9873 - std::io::default_write_fmt::h6d6cb3ff48bb6394 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x640b90ac9873 - std::io::Write::write_fmt::h976b7a346c630898 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x640b90acc592 - std::sys::backtrace::BacktraceLock::print::h7cc2f8a0b7549773 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x640b90acdd6c - std::panicking::default_hook::{{closure}}::hc18f11ca3cc980d1 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x640b90acdbc2 - std::panicking::default_hook::h5207cd5928e5a9d2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x640b9095dcc4 - as core::ops::function::Fn>::call::h53735dbb2fff5e8e [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x640b9095dcc4 - test::test_main_with_exit_callback::{{closure}}::h8629ce54f7c62158 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x640b90ace84b - as core::ops::function::Fn>::call::hdd01dfa4f5d59fd2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x640b90ace84b - std::panicking::rust_panic_with_hook::he2975323910480e2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x640b90ace51a - std::panicking::begin_panic_handler::{{closure}}::hf6a73f8f68d2901d [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x640b90accc49 - std::sys::backtrace::__rust_end_short_backtrace::h91c7517b8fba4182 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x640b90ace1ad - __rustc[c30fa7112bbf6ac0]::rust_begin_unwind [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x640b90af0f60 - core::panicking::panic_fmt::h1dc18eebb9b6550e [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x640b90af13a6 - core::result::unwrap_failed::hf0cc4753dff8b804 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/result.rs:1761:5 [INFO] [stdout] 20: 0x640b9091e596 - core::result::Result::unwrap::he9fc1d49225ba5bf [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/result.rs:1167:23 [INFO] [stdout] 21: 0x640b9091e596 - rustlings::exercise::test::test_exercise_with_output::h1efbc8f8d0600d62 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:342:38 [INFO] [stdout] 22: 0x640b9091e397 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h5abd76fd74469cf5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:335:35 [INFO] [stdout] 23: 0x640b9091b076 - core::ops::function::FnOnce::call_once::h8fafab432f354a01 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x640b909633bb - core::ops::function::FnOnce::call_once::hdd80366119caeff9 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x640b909633bb - test::__rust_begin_short_backtrace::h60798cb0fdc462bd [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x640b9096263e - test::run_test_in_process::{{closure}}::h81bd62fe0ddb1cae [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:671:74 [INFO] [stdout] 27: 0x640b9096263e - as core::ops::function::FnOnce<()>>::call_once::h6ee6466477e4c0dc [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x640b9096263e - std::panicking::catch_unwind::do_call::h01a79315147a2ca1 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x640b9096263e - std::panicking::catch_unwind::h831c87e90ef4f2d8 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x640b9096263e - std::panic::catch_unwind::h50e9876bcbc7c37f [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x640b9096263e - test::run_test_in_process::hd57ee4367ef533b2 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x640b9096263e - test::run_test::{{closure}}::hd180abfe8d10b90d [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x640b90926234 - test::run_test::{{closure}}::hadea4433d10ac366 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x640b90926234 - std::sys::backtrace::__rust_begin_short_backtrace::hb136c48ddd0ced72 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x640b90929b2a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e392173a704e81a [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x640b90929b2a - as core::ops::function::FnOnce<()>>::call_once::h858a87db574d2ff4 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x640b90929b2a - std::panicking::catch_unwind::do_call::hff7ec4d4a59ca346 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x640b90929b2a - std::panicking::catch_unwind::h74378fed914955a4 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x640b90929b2a - std::panic::catch_unwind::hd644e75c809e87ce [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x640b90929b2a - std::thread::Builder::spawn_unchecked_::{{closure}}::h5c4ce65e6ea67c65 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x640b90929b2a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c391219c93831ae [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x640b90ad17a7 - as core::ops::function::FnOnce>::call_once::ha02f1268c87bf8cb [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x640b90ad17a7 - as core::ops::function::FnOnce>::call_once::ha9964535c0565e6a [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x640b90ad17a7 - std::sys::pal::unix::thread::Thread::new::thread_start::hd6a2768613f757f7 [INFO] [stdout] at /rustc/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 45: 0x7c39b373aaa4 - [INFO] [stdout] 46: 0x7c39b37c7a34 - 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" "4686d1a70d8e84320da6c47df448ab4a8cbc291e547b10236fbec2bf212a3d53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4686d1a70d8e84320da6c47df448ab4a8cbc291e547b10236fbec2bf212a3d53", kill_on_drop: false }` [INFO] [stdout] 4686d1a70d8e84320da6c47df448ab4a8cbc291e547b10236fbec2bf212a3d53