[INFO] cloning repository https://github.com/tiruka/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiruka/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiruka%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiruka%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56a0cd91dbe6df6b16872ec2eddc5d7cab0e8c7e [INFO] testing tiruka/rustlings against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiruka%2Frustlings" "/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/tiruka/rustlings [INFO] finished tweaking git repo https://github.com/tiruka/rustlings [INFO] tweaked toml for git repo https://github.com/tiruka/rustlings written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tiruka/rustlings on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tiruka/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7f133ded9346dd429afb0824e24b71cb1eb3fc847587b2d6a451652f2e4bd51 [INFO] running `Command { std: "docker" "start" "-a" "e7f133ded9346dd429afb0824e24b71cb1eb3fc847587b2d6a451652f2e4bd51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7f133ded9346dd429afb0824e24b71cb1eb3fc847587b2d6a451652f2e4bd51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7f133ded9346dd429afb0824e24b71cb1eb3fc847587b2d6a451652f2e4bd51", kill_on_drop: false }` [INFO] [stdout] e7f133ded9346dd429afb0824e24b71cb1eb3fc847587b2d6a451652f2e4bd51 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b0958a9c978d90aa1bdb24b7870bb17d8c733c627b6c4444dfd7eb297b466b5 [INFO] running `Command { std: "docker" "start" "-a" "1b0958a9c978d90aa1bdb24b7870bb17d8c733c627b6c4444dfd7eb297b466b5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling anstyle v1.0.6 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling strsim v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling winnow v0.6.5 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling anstream v0.6.13 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling indicatif v0.17.8 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling which v6.0.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling serde_spanned v0.6.5 [INFO] [stderr] Compiling toml_edit v0.22.9 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.03s [INFO] running `Command { std: "docker" "inspect" "1b0958a9c978d90aa1bdb24b7870bb17d8c733c627b6c4444dfd7eb297b466b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b0958a9c978d90aa1bdb24b7870bb17d8c733c627b6c4444dfd7eb297b466b5", kill_on_drop: false }` [INFO] [stdout] 1b0958a9c978d90aa1bdb24b7870bb17d8c733c627b6c4444dfd7eb297b466b5 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cde5af9d7ce7ef132835e46fcfa082e4d6963da499689f53485af20e87f8f2c [INFO] running `Command { std: "docker" "start" "-a" "2cde5af9d7ce7ef132835e46fcfa082e4d6963da499689f53485af20e87f8f2c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling assert_cmd v2.0.14 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling bstr v1.9.1 [INFO] [stderr] Compiling predicates v3.1.0 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.96s [INFO] running `Command { std: "docker" "inspect" "2cde5af9d7ce7ef132835e46fcfa082e4d6963da499689f53485af20e87f8f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cde5af9d7ce7ef132835e46fcfa082e4d6963da499689f53485af20e87f8f2c", kill_on_drop: false }` [INFO] [stdout] 2cde5af9d7ce7ef132835e46fcfa082e4d6963da499689f53485af20e87f8f2c [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8c0980ac867da3e6ff56cb07043bae58ca21e3492648422586fc0ce5cb14f27a [INFO] running `Command { std: "docker" "start" "-a" "8c0980ac867da3e6ff56cb07043bae58ca21e3492648422586fc0ce5cb14f27a", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/exercise.rs:125:20 [INFO] [stderr] | [INFO] [stderr] 125 | pub fn compile(&self) -> Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rustlings` (bin "rustlings") generated 1 warning (run `cargo fix --bin "rustlings"` to apply 1 suggestion) [INFO] [stderr] warning: `rustlings` (bin "rustlings" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-e067ed9f520dbe22) [INFO] [stdout] [INFO] [stdout] running 5 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_not_done ... 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' (25) panicked at src/exercise.rs:354:35: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5c3e7641a262 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5c3e7641a262 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5c3e7641a262 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5c3e7641a262 - ::fmt::hffd20ad4e5eca8ab [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5c3e7642a50f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5c3e7642a50f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5c3e763e77c3 - std::io::default_write_fmt::he11a713685e2464d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5c3e763e77c3 - std::io::Write::write_fmt::h9d08f7e050bd2612 [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5c3e763f3802 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5c3e763f834f - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5c3e763f81e1 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5c3e763ac20e - as core::ops::function::Fn>::call::h0e9de8cceb22406e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5c3e763ac20e - test::test_main_with_exit_callback::{{closure}}::h8125bd66cf4739d0 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5c3e763f89ee - as core::ops::function::Fn>::call::h1fd0a0802eaec16b [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5c3e763f89ee - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5c3e763f87ba - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5c3e763f3939 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5c3e763db8fd - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5c3e764321f0 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5c3e76431696 - core::result::unwrap_failed::hf926a4254073b4aa [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x5c3e7637e744 - core::result::Result::unwrap::h325937d888c3716d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x5c3e7637e744 - rustlings::exercise::test::test_clean::heddcdd81cbf56b4c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:354:35 [INFO] [stdout] 22: 0x5c3e7637eae7 - rustlings::exercise::test::test_clean::{{closure}}::hbe5b7ed59ec5a0d2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:353:20 [INFO] [stdout] 23: 0x5c3e76383586 - core::ops::function::FnOnce::call_once::h63dfecc49de0b0eb [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5c3e763abfcb - core::ops::function::FnOnce::call_once::hdbf42be2a49fb464 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5c3e763abfcb - test::__rust_begin_short_backtrace::h8ae08814d38cb356 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5c3e763c1ab5 - test::run_test_in_process::{{closure}}::h54574ee4f414d690 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5c3e763c1ab5 - as core::ops::function::FnOnce<()>>::call_once::h01a0b7e7aad1a501 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5c3e763c1ab5 - std::panicking::catch_unwind::do_call::h23820e817c5612cd [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5c3e763c1ab5 - std::panicking::catch_unwind::h89c73a1febce5587 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5c3e763c1ab5 - std::panic::catch_unwind::h6f55caf410861914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5c3e763c1ab5 - test::run_test_in_process::h4db851878e5d3983 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5c3e763c1ab5 - test::run_test::{{closure}}::h57e8c5acaceacd24 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5c3e763984a4 - test::run_test::{{closure}}::he775ccc3a9d3b97e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5c3e763984a4 - std::sys::backtrace::__rust_begin_short_backtrace::hcd94d85d7765225a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5c3e7639bcea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha814de8393f07830 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5c3e7639bcea - as core::ops::function::FnOnce<()>>::call_once::h8deb00af0abdeaf1 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5c3e7639bcea - std::panicking::catch_unwind::do_call::h1917979b0c279ea2 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5c3e7639bcea - std::panicking::catch_unwind::h791ad91fee6ce34e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5c3e7639bcea - std::panic::catch_unwind::h982b8f40ed9c3cce [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5c3e7639bcea - std::thread::Builder::spawn_unchecked_::{{closure}}::h545e54700c945db4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5c3e7639bcea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb427481a5227d78a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5c3e763ed9ef - as core::ops::function::FnOnce>::call_once::h1d452951a81e9d0a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5c3e763ed9ef - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x733f7c559aa4 - [INFO] [stdout] 45: 0x733f7c5e6a34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' (26) panicked at src/exercise.rs:445:38: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetaplm7HZ\"\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: 0x5c3e7641a262 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5c3e7641a262 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5c3e7641a262 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5c3e7641a262 - ::fmt::hffd20ad4e5eca8ab [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5c3e7642a50f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5c3e7642a50f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5c3e763e77c3 - std::io::default_write_fmt::he11a713685e2464d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5c3e763e77c3 - std::io::Write::write_fmt::h9d08f7e050bd2612 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5c3e763f3802 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5c3e763f834f - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5c3e763f81e1 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5c3e763ac20e - as core::ops::function::Fn>::call::h0e9de8cceb22406e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5c3e763ac20e - test::test_main_with_exit_callback::{{closure}}::h8125bd66cf4739d0 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5c3e763f89ee - as core::ops::function::Fn>::call::h1fd0a0802eaec16b [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5c3e763f89ee - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5c3e763f87ba - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5c3e763f3939 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5c3e763db8fd - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5c3e764321f0 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5c3e76431696 - core::result::unwrap_failed::hf926a4254073b4aa [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x5c3e7637f784 - core::result::Result::unwrap::h4ceed94be92966b9 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x5c3e7637f784 - rustlings::exercise::test::test_exercise_with_output::hbc7621ca551013c7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:445:38 [INFO] [stdout] 22: 0x5c3e7637fa07 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h0a3f86b86751f617 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:438:35 [INFO] [stdout] 23: 0x5c3e763835c6 - core::ops::function::FnOnce::call_once::h81ffba5c1a820ce5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5c3e763abfcb - core::ops::function::FnOnce::call_once::hdbf42be2a49fb464 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5c3e763abfcb - test::__rust_begin_short_backtrace::h8ae08814d38cb356 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5c3e763c1ab5 - test::run_test_in_process::{{closure}}::h54574ee4f414d690 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5c3e763c1ab5 - as core::ops::function::FnOnce<()>>::call_once::h01a0b7e7aad1a501 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5c3e763c1ab5 - std::panicking::catch_unwind::do_call::h23820e817c5612cd [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5c3e763c1ab5 - std::panicking::catch_unwind::h89c73a1febce5587 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5c3e763c1ab5 - std::panic::catch_unwind::h6f55caf410861914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5c3e763c1ab5 - test::run_test_in_process::h4db851878e5d3983 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5c3e763c1ab5 - test::run_test::{{closure}}::h57e8c5acaceacd24 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5c3e763984a4 - test::run_test::{{closure}}::he775ccc3a9d3b97e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5c3e763984a4 - std::sys::backtrace::__rust_begin_short_backtrace::hcd94d85d7765225a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5c3e7639bcea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha814de8393f07830 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5c3e7639bcea - as core::ops::function::FnOnce<()>>::call_once::h8deb00af0abdeaf1 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5c3e7639bcea - std::panicking::catch_unwind::do_call::h1917979b0c279ea2 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5c3e7639bcea - std::panicking::catch_unwind::h791ad91fee6ce34e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5c3e7639bcea - std::panic::catch_unwind::h982b8f40ed9c3cce [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5c3e7639bcea - std::thread::Builder::spawn_unchecked_::{{closure}}::h545e54700c945db4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5c3e7639bcea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb427481a5227d78a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5c3e763ed9ef - as core::ops::function::FnOnce>::call_once::h1d452951a81e9d0a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5c3e763ed9ef - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x733f7c559aa4 - [INFO] [stdout] 45: 0x733f7c5e6a34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8c0980ac867da3e6ff56cb07043bae58ca21e3492648422586fc0ce5cb14f27a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c0980ac867da3e6ff56cb07043bae58ca21e3492648422586fc0ce5cb14f27a", kill_on_drop: false }` [INFO] [stdout] 8c0980ac867da3e6ff56cb07043bae58ca21e3492648422586fc0ce5cb14f27a