[INFO] cloning repository https://github.com/jvanbuel/rustlings-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvanbuel/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvanbuel%2Frustlings-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvanbuel%2Frustlings-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06354ab7099a915b8ab83b835f42a1d3056f41a7 [INFO] testing jvanbuel/rustlings-solutions against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvanbuel%2Frustlings-solutions" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jvanbuel/rustlings-solutions on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jvanbuel/rustlings-solutions [INFO] finished tweaking git repo https://github.com/jvanbuel/rustlings-solutions [INFO] tweaked toml for git repo https://github.com/jvanbuel/rustlings-solutions written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/jvanbuel/rustlings-solutions already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 21d6cd62e615fa3816d4acf3bd18ae62b1fc888c684b3eb743422fd67318006d [INFO] running `Command { std: "docker" "start" "-a" "21d6cd62e615fa3816d4acf3bd18ae62b1fc888c684b3eb743422fd67318006d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21d6cd62e615fa3816d4acf3bd18ae62b1fc888c684b3eb743422fd67318006d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21d6cd62e615fa3816d4acf3bd18ae62b1fc888c684b3eb743422fd67318006d", kill_on_drop: false }` [INFO] [stdout] 21d6cd62e615fa3816d4acf3bd18ae62b1fc888c684b3eb743422fd67318006d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a84456ce3a834c684fb318860eab8b7aa9e0f86895c2ab9911b66e7e515d0c1f [INFO] running `Command { std: "docker" "start" "-a" "a84456ce3a834c684fb318860eab8b7aa9e0f86895c2ab9911b66e7e515d0c1f", kill_on_drop: false }` [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.32s [INFO] running `Command { std: "docker" "inspect" "a84456ce3a834c684fb318860eab8b7aa9e0f86895c2ab9911b66e7e515d0c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a84456ce3a834c684fb318860eab8b7aa9e0f86895c2ab9911b66e7e515d0c1f", kill_on_drop: false }` [INFO] [stdout] a84456ce3a834c684fb318860eab8b7aa9e0f86895c2ab9911b66e7e515d0c1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 856df335a064022411b152c1071220359e441219b882d5c3a93872742123556f [INFO] running `Command { std: "docker" "start" "-a" "856df335a064022411b152c1071220359e441219b882d5c3a93872742123556f", kill_on_drop: false }` [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.03s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-454d8f9a00b9d25b) [INFO] [stderr] Executable tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-965b769d73b7fdee) [INFO] running `Command { std: "docker" "inspect" "856df335a064022411b152c1071220359e441219b882d5c3a93872742123556f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "856df335a064022411b152c1071220359e441219b882d5c3a93872742123556f", kill_on_drop: false }` [INFO] [stdout] 856df335a064022411b152c1071220359e441219b882d5c3a93872742123556f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ba78020ce5cc4b5963dc2d6b4105baa19e96df13315c120aad59d03b963ac913 [INFO] running `Command { std: "docker" "start" "-a" "ba78020ce5cc4b5963dc2d6b4105baa19e96df13315c120aad59d03b963ac913", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-454d8f9a00b9d25b) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] thread 'exercise::test::test_clean' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/exercise.rs:270:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5592feee019d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5592feee019d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5592feee019d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x5592feee019d - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x5592fef02e4c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x5592feedcb41 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x5592feee1ee5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x5592feee1ee5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x5592feee1ee5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5592feee1bd4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x5592feee2432 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x5592feee2317 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x5592feee0654 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x5592feee2049 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x5592fece2933 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x5592fece2a23 - core::result::unwrap_failed::h6bc7b183ec719494 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x5592fecec480 - core::result::Result::unwrap::h97e515a1b538f059 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x5592fece6fd9 - rustlings::exercise::test::test_clean::h324da2c9c34a1399 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 18: 0x5592fece6f6a - rustlings::exercise::test::test_clean::{{closure}}::hbcbf1cf305939518 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:5 [INFO] [stdout] 19: 0x5592feceedce - core::ops::function::FnOnce::call_once::h116c2951e3caefd1 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5592fed2a433 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5592fed2a433 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x5592fed291e9 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x5592fed291e9 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5592fed291e9 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x5592fed291e9 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x5592fed291e9 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x5592fed291e9 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x5592fed291e9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x5592fecf539e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x5592fecf539e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x5592fecfa908 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x5592fecfa908 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5592fecfa908 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x5592fecfa908 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x5592fecfa908 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x5592fecfa908 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x5592fecfa908 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5592feee6e33 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x5592feee6e33 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x5592feee6e33 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f9ff554a609 - start_thread [INFO] [stdout] 42: 0x7f9ff569f163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at '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: could not write output to ./temp_9_ThreadId3.1k1d1oofz1kj0cga.rcgu.o: Read-only file system\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 previous error\u{1b}[0m\n\n" }', src/exercise.rs:343:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5592feee019d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5592feee019d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5592feee019d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x5592feee019d - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x5592fef02e4c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x5592feedcb41 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x5592feee1ee5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x5592feee1ee5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x5592feee1ee5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5592feee1bd4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x5592feee2432 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x5592feee2317 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x5592feee0654 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x5592feee2049 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x5592fece2933 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x5592fece2a23 - core::result::unwrap_failed::h6bc7b183ec719494 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x5592fecec532 - core::result::Result::unwrap::h98ef550bab8a7fe9 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x5592fece7c3c - rustlings::exercise::test::test_exercise_with_output::h855d68a9a80d81f8 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 18: 0x5592fece7aca - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h403ede549cddb44d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:5 [INFO] [stdout] 19: 0x5592feceeece - core::ops::function::FnOnce::call_once::hd197d3450fe2a216 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5592fed2a433 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5592fed2a433 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x5592fed291e9 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x5592fed291e9 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5592fed291e9 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x5592fed291e9 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x5592fed291e9 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x5592fed291e9 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x5592fed291e9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x5592fecf539e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x5592fecf539e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x5592fecfa908 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x5592fecfa908 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5592fecfa908 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x5592fecfa908 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x5592fecfa908 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x5592fecfa908 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x5592fecfa908 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5592feee6e33 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x5592feee6e33 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x5592feee6e33 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f9ff554a609 - start_thread [INFO] [stdout] 42: 0x7f9ff569f163 - clone [INFO] [stdout] 43: 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 0.38s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ba78020ce5cc4b5963dc2d6b4105baa19e96df13315c120aad59d03b963ac913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba78020ce5cc4b5963dc2d6b4105baa19e96df13315c120aad59d03b963ac913", kill_on_drop: false }` [INFO] [stdout] ba78020ce5cc4b5963dc2d6b4105baa19e96df13315c120aad59d03b963ac913