[INFO] cloning repository https://github.com/satoukick/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/satoukick/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatoukick%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatoukick%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9d0f43ef6277bc33a4bbe581204c98f42799686f [INFO] testing satoukick/rustlings against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatoukick%2Frustlings" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/satoukick/rustlings on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/satoukick/rustlings [INFO] finished tweaking git repo https://github.com/satoukick/rustlings [INFO] tweaked toml for git repo https://github.com/satoukick/rustlings written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/satoukick/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded clicolors-control v1.0.0 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded console v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 56d750abf4f314ba2460b17af33d8e65e9ebe23df6c9e7a2840fdecf03a7514a [INFO] running `Command { std: "docker" "start" "-a" "56d750abf4f314ba2460b17af33d8e65e9ebe23df6c9e7a2840fdecf03a7514a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56d750abf4f314ba2460b17af33d8e65e9ebe23df6c9e7a2840fdecf03a7514a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56d750abf4f314ba2460b17af33d8e65e9ebe23df6c9e7a2840fdecf03a7514a", kill_on_drop: false }` [INFO] [stdout] 56d750abf4f314ba2460b17af33d8e65e9ebe23df6c9e7a2840fdecf03a7514a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4ac425e74cfdd2200957c5efd153c2d06448bfb760db4ac6fdbe4d4c5c599fc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f4ac425e74cfdd2200957c5efd153c2d06448bfb760db4ac6fdbe4d4c5c599fc", kill_on_drop: false }` [INFO] [stderr] Compiling rustlings v4.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.90s [INFO] running `Command { std: "docker" "inspect" "f4ac425e74cfdd2200957c5efd153c2d06448bfb760db4ac6fdbe4d4c5c599fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ac425e74cfdd2200957c5efd153c2d06448bfb760db4ac6fdbe4d4c5c599fc", kill_on_drop: false }` [INFO] [stdout] f4ac425e74cfdd2200957c5efd153c2d06448bfb760db4ac6fdbe4d4c5c599fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee890c4220a5a029d3447b7d9c9a5c2efbec91e4b2fb01920cf4af614317afe8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ee890c4220a5a029d3447b7d9c9a5c2efbec91e4b2fb01920cf4af614317afe8", kill_on_drop: false }` [INFO] [stderr] Compiling rustlings v4.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.84s [INFO] running `Command { std: "docker" "inspect" "ee890c4220a5a029d3447b7d9c9a5c2efbec91e4b2fb01920cf4af614317afe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee890c4220a5a029d3447b7d9c9a5c2efbec91e4b2fb01920cf4af614317afe8", kill_on_drop: false }` [INFO] [stdout] ee890c4220a5a029d3447b7d9c9a5c2efbec91e4b2fb01920cf4af614317afe8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 5102ea898b7d89fdcf485f37c1e8e65c5e5aa03a625336c8953d16375b93c636 [INFO] running `Command { std: "docker" "start" "-a" "5102ea898b7d89fdcf485f37c1e8e65c5e5aa03a625336c8953d16375b93c636", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustlings-6b73970fb02ebc03) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [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:255:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55e864b8c70c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55e864b8c70c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55e864b8c70c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55e864b8c70c - ::fmt::ha305a40dbc030444 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55e864bb1cac - core::fmt::write::hadd15acf4d6ce273 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55e864b87fe8 - std::io::Write::write_fmt::h271050faa79d27d2 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55e864b8e9d7 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55e864b8e9d7 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55e864b8e9d7 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55e864b8e70b - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55e864b8f12a - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55e864b8ee17 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55e864b8cbd4 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55e864b8eb29 - rust_begin_unwind [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55e8649b8673 - core::panicking::panic_fmt::hfb4b8460cd493e74 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55e8649b8763 - core::result::unwrap_failed::hf9b34e307f812de0 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x55e8649c3d89 - core::result::Result::unwrap::h38e38a03a59df099 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1065:23 [INFO] [stdout] 17: 0x55e8649c5e84 - rustlings::exercise::test::test_clean::h79a77f3829061b53 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:255:9 [INFO] [stdout] 18: 0x55e8649c5e0a - rustlings::exercise::test::test_clean::{{closure}}::hd92bad4d76e90e88 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:254:5 [INFO] [stdout] 19: 0x55e8649c412e - core::ops::function::FnOnce::call_once::h542d72e202d238ab [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55e8649f6293 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55e8649f6293 - test::__rust_begin_short_backtrace::h163f55298a15df9b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x55e8649f4fc1 - as core::ops::function::FnOnce>::call_once::hc911782b3cbc7ed5 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55e8649f4fc1 - as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55e8649f4fc1 - std::panicking::try::do_call::he60df4e3e832faff [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55e8649f4fc1 - std::panicking::try::h2633cee89a0767f3 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55e8649f4fc1 - std::panic::catch_unwind::h6e10f7b94ce38b1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55e8649f4fc1 - test::run_test_in_process::h085ef39049c3b50b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x55e8649f4fc1 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55e8649fe8a1 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55e8649fe8a1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55e8649cafff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55e8649cafff - as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55e8649cafff - std::panicking::try::do_call::h5422165a88309c77 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55e8649cafff - std::panicking::try::h840a12b54e2c9f5d [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55e8649cafff - std::panic::catch_unwind::h85910e437c8da180 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55e8649cafff - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55e8649cafff - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55e864b94f83 - as core::ops::function::FnOnce>::call_once::h82a18723295373b7 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55e864b94f83 - as core::ops::function::FnOnce>::call_once::h4b9b8634f7a2a5a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55e864b94f83 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f0e36067609 - start_thread [INFO] [stdout] 42: 0x7f0e361be293 - 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_8_ThreadId3.1i5kaoi662qjbxvt.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:328:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55e864b8c70c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55e864b8c70c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55e864b8c70c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55e864b8c70c - ::fmt::ha305a40dbc030444 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55e864bb1cac - core::fmt::write::hadd15acf4d6ce273 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55e864b87fe8 - std::io::Write::write_fmt::h271050faa79d27d2 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55e864b8e9d7 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55e864b8e9d7 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55e864b8e9d7 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55e864b8e70b - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55e864b8f12a - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55e864b8ee17 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55e864b8cbd4 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55e864b8eb29 - rust_begin_unwind [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55e8649b8673 - core::panicking::panic_fmt::hfb4b8460cd493e74 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55e8649b8763 - core::result::unwrap_failed::hf9b34e307f812de0 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x55e8649c3e32 - core::result::Result::unwrap::h423506534b675f21 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1065:23 [INFO] [stdout] 17: 0x55e8649c6aac - rustlings::exercise::test::test_exercise_with_output::hfd7c6549beb1c6e9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:328:19 [INFO] [stdout] 18: 0x55e8649c696a - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h3d65c8cf6de53940 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:321:5 [INFO] [stdout] 19: 0x55e8649c40ae - core::ops::function::FnOnce::call_once::h1573b75ddf81e997 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55e8649f6293 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55e8649f6293 - test::__rust_begin_short_backtrace::h163f55298a15df9b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x55e8649f4fc1 - as core::ops::function::FnOnce>::call_once::hc911782b3cbc7ed5 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55e8649f4fc1 - as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55e8649f4fc1 - std::panicking::try::do_call::he60df4e3e832faff [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55e8649f4fc1 - std::panicking::try::h2633cee89a0767f3 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55e8649f4fc1 - std::panic::catch_unwind::h6e10f7b94ce38b1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55e8649f4fc1 - test::run_test_in_process::h085ef39049c3b50b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x55e8649f4fc1 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55e8649fe8a1 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55e8649fe8a1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55e8649cafff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55e8649cafff - as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55e8649cafff - std::panicking::try::do_call::h5422165a88309c77 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55e8649cafff - std::panicking::try::h840a12b54e2c9f5d [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55e8649cafff - std::panic::catch_unwind::h85910e437c8da180 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55e8649cafff - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55e8649cafff - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55e864b94f83 - as core::ops::function::FnOnce>::call_once::h82a18723295373b7 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55e864b94f83 - as core::ops::function::FnOnce>::call_once::h4b9b8634f7a2a5a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55e864b94f83 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f0e36067609 - start_thread [INFO] [stdout] 42: 0x7f0e361be293 - 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 0.46s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5102ea898b7d89fdcf485f37c1e8e65c5e5aa03a625336c8953d16375b93c636", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5102ea898b7d89fdcf485f37c1e8e65c5e5aa03a625336c8953d16375b93c636", kill_on_drop: false }` [INFO] [stdout] 5102ea898b7d89fdcf485f37c1e8e65c5e5aa03a625336c8953d16375b93c636