[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-2022-05-20 for beta-1.62-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvanbuel%2Frustlings-solutions" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jvanbuel/rustlings-solutions on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-6/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-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 102ef13500c22f49ab627d795582033fcf990e5240cb5637ed0059d418a4a912 [INFO] running `Command { std: "docker" "start" "-a" "102ef13500c22f49ab627d795582033fcf990e5240cb5637ed0059d418a4a912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "102ef13500c22f49ab627d795582033fcf990e5240cb5637ed0059d418a4a912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "102ef13500c22f49ab627d795582033fcf990e5240cb5637ed0059d418a4a912", kill_on_drop: false }` [INFO] [stdout] 102ef13500c22f49ab627d795582033fcf990e5240cb5637ed0059d418a4a912 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a6be6eaf26a6b6e0502bad65402fa9ef667600a7ad206e94a07104787074c5f [INFO] running `Command { std: "docker" "start" "-a" "7a6be6eaf26a6b6e0502bad65402fa9ef667600a7ad206e94a07104787074c5f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling scopeguard v1.1.0 [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 unicode-width v0.1.8 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [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 termios v0.3.3 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 19s [INFO] running `Command { std: "docker" "inspect" "7a6be6eaf26a6b6e0502bad65402fa9ef667600a7ad206e94a07104787074c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a6be6eaf26a6b6e0502bad65402fa9ef667600a7ad206e94a07104787074c5f", kill_on_drop: false }` [INFO] [stdout] 7a6be6eaf26a6b6e0502bad65402fa9ef667600a7ad206e94a07104787074c5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74a0cd160a40f1da24a86dde410f1926b5b9707302ae31036def663c3da22d5a [INFO] running `Command { std: "docker" "start" "-a" "74a0cd160a40f1da24a86dde410f1926b5b9707302ae31036def663c3da22d5a", 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] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling itoa v0.4.8 [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 normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 19.83s [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" "74a0cd160a40f1da24a86dde410f1926b5b9707302ae31036def663c3da22d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74a0cd160a40f1da24a86dde410f1926b5b9707302ae31036def663c3da22d5a", kill_on_drop: false }` [INFO] [stdout] 74a0cd160a40f1da24a86dde410f1926b5b9707302ae31036def663c3da22d5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9682c2388c3f0e96d5e9c7d3e1cf2a82dcb43fb6c16d77d65c0411835aa914de [INFO] running `Command { std: "docker" "start" "-a" "9682c2388c3f0e96d5e9c7d3e1cf2a82dcb43fb6c16d77d65c0411835aa914de", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [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: 0x558a2da6a17d - std::backtrace_rs::backtrace::libunwind::trace::ha8406fd4a233ad1f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x558a2da6a17d - std::backtrace_rs::backtrace::trace_unsynchronized::h95f26ca4bd23bd0f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x558a2da6a17d - std::sys_common::backtrace::_print_fmt::h9955f0b025c061cd [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x558a2da6a17d - ::fmt::h1025ecd2bac85833 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x558a2da8d06c - core::fmt::write::hd5fa34bae8a7f0ea [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/fmt/mod.rs:1196:17 [INFO] [stdout] 5: 0x558a2da66c41 - std::io::Write::write_fmt::h84051526396eafd5 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/io/mod.rs:1654:15 [INFO] [stdout] 6: 0x558a2da6bc55 - std::sys_common::backtrace::_print::h330c8fadbab13d8b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x558a2da6bc55 - std::sys_common::backtrace::print::h38d4cf1c3e16e656 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x558a2da6bc55 - std::panicking::default_hook::{{closure}}::h56cdf194ec124abb [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x558a2da6b900 - std::panicking::default_hook::h9929fdc60733f795 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x558a2da6c228 - std::panicking::rust_panic_with_hook::h490228be5a55104d [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x558a2da6c0d7 - std::panicking::begin_panic_handler::{{closure}}::hfd963b6683c36656 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x558a2da6a634 - std::sys_common::backtrace::__rust_end_short_backtrace::h2912e3decfe2cba4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x558a2da6be09 - rust_begin_unwind [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x558a2d866b53 - core::panicking::panic_fmt::hf4ba906a2c8693a2 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x558a2d866c43 - core::result::unwrap_failed::h328e70098ea1018f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x558a2d871ad0 - core::result::Result::unwrap::h9d68829fd852d49b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x558a2d86ac39 - rustlings::exercise::test::test_clean::h4ecbe2c4a7b51305 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 18: 0x558a2d86abca - rustlings::exercise::test::test_clean::{{closure}}::h09bc3bd6ed6c29f6 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:5 [INFO] [stdout] 19: 0x558a2d87414e - core::ops::function::FnOnce::call_once::h99523ce43dd3c641 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x558a2d8ad813 - core::ops::function::FnOnce::call_once::he3f3ce7b57606922 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x558a2d8ad813 - test::__rust_begin_short_backtrace::h7f70c09aa5d912df [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:573:5 [INFO] [stdout] 22: 0x558a2d8ac5ca - as core::ops::function::FnOnce>::call_once::h62347161a330de87 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/alloc/src/boxed.rs:1872:9 [INFO] [stdout] 23: 0x558a2d8ac5ca - as core::ops::function::FnOnce<()>>::call_once::h10da6b5758ac6847 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x558a2d8ac5ca - std::panicking::try::do_call::h71413bc507bbc4e2 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x558a2d8ac5ca - std::panicking::try::h0411d95bc90139e0 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x558a2d8ac5ca - std::panic::catch_unwind::ha1edba92348980b8 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x558a2d8ac5ca - test::run_test_in_process::h8beffdcfd9dbc6b3 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:596:18 [INFO] [stdout] 28: 0x558a2d8ac5ca - test::run_test::run_test_inner::{{closure}}::hfbaa04c7659c7a27 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:490:39 [INFO] [stdout] 29: 0x558a2d87881d - test::run_test::run_test_inner::{{closure}}::hcd0894578967f8ba [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:517:37 [INFO] [stdout] 30: 0x558a2d87881d - std::sys_common::backtrace::__rust_begin_short_backtrace::h83b56239eb73178f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x558a2d87e2c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc731689efd2b66f4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/thread/mod.rs:501:17 [INFO] [stdout] 32: 0x558a2d87e2c8 - as core::ops::function::FnOnce<()>>::call_once::h1a34616ab93f415b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x558a2d87e2c8 - std::panicking::try::do_call::he9237158437382be [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x558a2d87e2c8 - std::panicking::try::ha501127d54394055 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x558a2d87e2c8 - std::panic::catch_unwind::hf11cd5c846b8423f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x558a2d87e2c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h49bb14c1c9c170d4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/thread/mod.rs:500:30 [INFO] [stdout] 37: 0x558a2d87e2c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc1713d54c925fdd4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x558a2da70b63 - as core::ops::function::FnOnce>::call_once::h997dc5bc9efdb91e [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/alloc/src/boxed.rs:1872:9 [INFO] [stdout] 39: 0x558a2da70b63 - as core::ops::function::FnOnce>::call_once::h482cb6422469721b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/alloc/src/boxed.rs:1872:9 [INFO] [stdout] 40: 0x558a2da70b63 - std::sys::unix::thread::Thread::new::thread_start::hcd1011649240eef0 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f5368f87609 - start_thread [INFO] [stdout] 42: 0x7f53690dc163 - 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_ThreadId3.58fbx8pbents93cb.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: 0x558a2da6a17d - std::backtrace_rs::backtrace::libunwind::trace::ha8406fd4a233ad1f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x558a2da6a17d - std::backtrace_rs::backtrace::trace_unsynchronized::h95f26ca4bd23bd0f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x558a2da6a17d - std::sys_common::backtrace::_print_fmt::h9955f0b025c061cd [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x558a2da6a17d - ::fmt::h1025ecd2bac85833 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x558a2da8d06c - core::fmt::write::hd5fa34bae8a7f0ea [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/fmt/mod.rs:1196:17 [INFO] [stdout] 5: 0x558a2da66c41 - std::io::Write::write_fmt::h84051526396eafd5 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/io/mod.rs:1654:15 [INFO] [stdout] 6: 0x558a2da6bc55 - std::sys_common::backtrace::_print::h330c8fadbab13d8b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x558a2da6bc55 - std::sys_common::backtrace::print::h38d4cf1c3e16e656 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x558a2da6bc55 - std::panicking::default_hook::{{closure}}::h56cdf194ec124abb [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x558a2da6b900 - std::panicking::default_hook::h9929fdc60733f795 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x558a2da6c228 - std::panicking::rust_panic_with_hook::h490228be5a55104d [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x558a2da6c0d7 - std::panicking::begin_panic_handler::{{closure}}::hfd963b6683c36656 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x558a2da6a634 - std::sys_common::backtrace::__rust_end_short_backtrace::h2912e3decfe2cba4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x558a2da6be09 - rust_begin_unwind [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x558a2d866b53 - core::panicking::panic_fmt::hf4ba906a2c8693a2 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x558a2d866c43 - core::result::unwrap_failed::h328e70098ea1018f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x558a2d871b82 - core::result::Result::unwrap::ha9658832612d1b9a [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x558a2d86b89c - rustlings::exercise::test::test_exercise_with_output::h9bfe8cb2af209a03 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 18: 0x558a2d86b72a - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hc7e2dedc1615f284 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:5 [INFO] [stdout] 19: 0x558a2d8740ce - core::ops::function::FnOnce::call_once::h4891086f56bd91b8 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x558a2d8ad813 - core::ops::function::FnOnce::call_once::he3f3ce7b57606922 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x558a2d8ad813 - test::__rust_begin_short_backtrace::h7f70c09aa5d912df [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:573:5 [INFO] [stdout] 22: 0x558a2d8ac5ca - as core::ops::function::FnOnce>::call_once::h62347161a330de87 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/alloc/src/boxed.rs:1872:9 [INFO] [stdout] 23: 0x558a2d8ac5ca - as core::ops::function::FnOnce<()>>::call_once::h10da6b5758ac6847 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x558a2d8ac5ca - std::panicking::try::do_call::h71413bc507bbc4e2 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x558a2d8ac5ca - std::panicking::try::h0411d95bc90139e0 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x558a2d8ac5ca - std::panic::catch_unwind::ha1edba92348980b8 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x558a2d8ac5ca - test::run_test_in_process::h8beffdcfd9dbc6b3 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:596:18 [INFO] [stdout] 28: 0x558a2d8ac5ca - test::run_test::run_test_inner::{{closure}}::hfbaa04c7659c7a27 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:490:39 [INFO] [stdout] 29: 0x558a2d87881d - test::run_test::run_test_inner::{{closure}}::hcd0894578967f8ba [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/test/src/lib.rs:517:37 [INFO] [stdout] 30: 0x558a2d87881d - std::sys_common::backtrace::__rust_begin_short_backtrace::h83b56239eb73178f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x558a2d87e2c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc731689efd2b66f4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/thread/mod.rs:501:17 [INFO] [stdout] 32: 0x558a2d87e2c8 - as core::ops::function::FnOnce<()>>::call_once::h1a34616ab93f415b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x558a2d87e2c8 - std::panicking::try::do_call::he9237158437382be [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x558a2d87e2c8 - std::panicking::try::ha501127d54394055 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x558a2d87e2c8 - std::panic::catch_unwind::hf11cd5c846b8423f [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x558a2d87e2c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h49bb14c1c9c170d4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/thread/mod.rs:500:30 [INFO] [stdout] 37: 0x558a2d87e2c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc1713d54c925fdd4 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x558a2da70b63 - as core::ops::function::FnOnce>::call_once::h997dc5bc9efdb91e [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/alloc/src/boxed.rs:1872:9 [INFO] [stdout] 39: 0x558a2da70b63 - as core::ops::function::FnOnce>::call_once::h482cb6422469721b [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/alloc/src/boxed.rs:1872:9 [INFO] [stdout] 40: 0x558a2da70b63 - std::sys::unix::thread::Thread::new::thread_start::hcd1011649240eef0 [INFO] [stdout] at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f5368f87609 - start_thread [INFO] [stdout] 42: 0x7f53690dc163 - 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 0.22s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] running `Command { std: "docker" "inspect" "9682c2388c3f0e96d5e9c7d3e1cf2a82dcb43fb6c16d77d65c0411835aa914de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9682c2388c3f0e96d5e9c7d3e1cf2a82dcb43fb6c16d77d65c0411835aa914de", kill_on_drop: false }` [INFO] [stdout] 9682c2388c3f0e96d5e9c7d3e1cf2a82dcb43fb6c16d77d65c0411835aa914de