[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-leewise1118 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-leewise1118" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-leewise1118", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-leewise1118'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8a538116a9ebcc589f77ed3cacf761911e2fabda [INFO] testing cicvedu/rust-rustlings-leewise1118 against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-leewise1118" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-leewise1118 on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-leewise1118 [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-leewise1118 [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-leewise1118 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-leewise1118 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" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 574cf221dcd651904fab1d62c7f91aecc4b1826eb3437edf05a900eee999b531 [INFO] running `Command { std: "docker" "start" "-a" "574cf221dcd651904fab1d62c7f91aecc4b1826eb3437edf05a900eee999b531", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "574cf221dcd651904fab1d62c7f91aecc4b1826eb3437edf05a900eee999b531", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "574cf221dcd651904fab1d62c7f91aecc4b1826eb3437edf05a900eee999b531", kill_on_drop: false }` [INFO] [stdout] 574cf221dcd651904fab1d62c7f91aecc4b1826eb3437edf05a900eee999b531 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8758745d02a5361dca4958425131adda85ab4d69ee33dde3cfab057ece1373da [INFO] running `Command { std: "docker" "start" "-a" "8758745d02a5361dca4958425131adda85ab4d69ee33dde3cfab057ece1373da", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.12s [INFO] running `Command { std: "docker" "inspect" "8758745d02a5361dca4958425131adda85ab4d69ee33dde3cfab057ece1373da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8758745d02a5361dca4958425131adda85ab4d69ee33dde3cfab057ece1373da", kill_on_drop: false }` [INFO] [stdout] 8758745d02a5361dca4958425131adda85ab4d69ee33dde3cfab057ece1373da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e27f07dc655d29bc18cc37b6aebf5ff4d195eb6c11b300ed6d143ef5325dcde [INFO] running `Command { std: "docker" "start" "-a" "6e27f07dc655d29bc18cc37b6aebf5ff4d195eb6c11b300ed6d143ef5325dcde", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.77s [INFO] running `Command { std: "docker" "inspect" "6e27f07dc655d29bc18cc37b6aebf5ff4d195eb6c11b300ed6d143ef5325dcde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e27f07dc655d29bc18cc37b6aebf5ff4d195eb6c11b300ed6d143ef5325dcde", kill_on_drop: false }` [INFO] [stdout] 6e27f07dc655d29bc18cc37b6aebf5ff4d195eb6c11b300ed6d143ef5325dcde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fa2083e2d7a6eec1e61238aac384a9f0cbe0bb0f27c9f648735954f811dcb2b7 [INFO] running `Command { std: "docker" "start" "-a" "fa2083e2d7a6eec1e61238aac384a9f0cbe0bb0f27c9f648735954f811dcb2b7", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-daffc2e912909c31) [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 src/exercise.rs:303:36: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x565148e26dcc - std::backtrace_rs::backtrace::libunwind::trace::hc56bfd85f78f2ac1 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x565148e26dcc - std::backtrace_rs::backtrace::trace_unsynchronized::h3a4cd0ee39c2ec51 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x565148e26dcc - std::sys_common::backtrace::_print_fmt::h7ec874d1114e2ca4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x565148e26dcc - ::fmt::h9409967845944e27 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x565148e511bc - core::fmt::rt::Argument::fmt::h3548c9d6e288e4b2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x565148e511bc - core::fmt::write::h31bd00fc0f85031b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x565148e23e6e - std::io::Write::write_fmt::hd97b56c28d49e8d5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x565148e26bb4 - std::sys_common::backtrace::_print::h8ab9a59ea8fc9a86 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x565148e26bb4 - std::sys_common::backtrace::print::hfe7afa943e316a5b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x565148e28b7a - std::panicking::panic_hook_with_disk_dump::{{closure}}::hae52bf9a035c21dd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x565148e2873d - std::panicking::panic_hook_with_disk_dump::hb6c613677d0ff679 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:311:9 [INFO] [stdout] 11: 0x565148bb0e5c - as core::ops::function::Fn>::call::h70da65d4ac9eaaa2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x565148bb0e5c - test::test_main::{{closure}}::h436fe668754d7667 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x565148e29303 - as core::ops::function::Fn>::call::h98627c2cfbd34c2e [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x565148e29303 - std::panicking::rust_panic_with_hook::hd82d7066cdf9e06f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:757:13 [INFO] [stdout] 15: 0x565148e29081 - std::panicking::begin_panic_handler::{{closure}}::hf97c71166d409481 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:631:13 [INFO] [stdout] 16: 0x565148e272f6 - std::sys_common::backtrace::__rust_end_short_backtrace::haa22df65c16edaa5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x565148e28dc2 - rust_begin_unwind [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:619:5 [INFO] [stdout] 18: 0x565148b67ba5 - core::panicking::panic_fmt::h0e243d6d1945608c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x565148b68173 - core::result::unwrap_failed::h0462c3c2bed88698 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x565148b7085b - core::result::Result::unwrap::he47186ebeb9b6650 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x565148b71131 - rustlings::exercise::test::test_clean::h55952a558191b6f4 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 22: 0x565148b710b7 - rustlings::exercise::test::test_clean::{{closure}}::h1a872d5850d5c27e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:21 [INFO] [stdout] 23: 0x565148b6f736 - core::ops::function::FnOnce::call_once::h58348faafabbe0e0 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x565148bb5f8f - core::ops::function::FnOnce::call_once::hf5a9c4e4ad819183 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x565148bb5f8f - test::__rust_begin_short_backtrace::ha85af04d2b493cbd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x565148bb4f7e - test::run_test_in_process::{{closure}}::h80bae6710d6987aa [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x565148bb4f7e - as core::ops::function::FnOnce<()>>::call_once::h1e8456d02dd6a27f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x565148bb4f7e - std::panicking::try::do_call::h70bdb29e697eb37f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 29: 0x565148bb4f7e - std::panicking::try::hac0a5b5cab93a94f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 30: 0x565148bb4f7e - std::panic::catch_unwind::h242aae5a8ee61348 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x565148bb4f7e - test::run_test_in_process::hb95e3471d249e80a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x565148bb4f7e - test::run_test::{{closure}}::he4945c759a6bb284 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x565148b7d833 - test::run_test::{{closure}}::hef3ab237ad9dfdfa [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x565148b7d833 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd6c3f5e9450d872a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x565148b8292b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h033a4dc4b24e2ae4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x565148b8292b - as core::ops::function::FnOnce<()>>::call_once::hf6ace37e8c04836b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x565148b8292b - std::panicking::try::do_call::h873acc9efc68dde9 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 38: 0x565148b8292b - std::panicking::try::hf1c7b0cddd2a156c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 39: 0x565148b8292b - std::panic::catch_unwind::hd0800cc038b1a0e3 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x565148b8292b - std::thread::Builder::spawn_unchecked_::{{closure}}::hbd3f2581a283969b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x565148b8292b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05a4474bc37631e7 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x565148e2db05 - as core::ops::function::FnOnce>::call_once::ha81bceedc5dd4605 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x565148e2db05 - as core::ops::function::FnOnce>::call_once::ha86fb738f82c9cc8 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x565148e2db05 - std::sys::unix::thread::Thread::new::thread_start::h2c80c44f64da2074 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f0a4d3ceb43 - [INFO] [stdout] 46: 0x7f0a4d45fbb4 - __clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:376:38: [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/./rmeta2eZQSP\"\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" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x565148e26dcc - std::backtrace_rs::backtrace::libunwind::trace::hc56bfd85f78f2ac1 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x565148e26dcc - std::backtrace_rs::backtrace::trace_unsynchronized::h3a4cd0ee39c2ec51 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x565148e26dcc - std::sys_common::backtrace::_print_fmt::h7ec874d1114e2ca4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x565148e26dcc - ::fmt::h9409967845944e27 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x565148e511bc - core::fmt::rt::Argument::fmt::h3548c9d6e288e4b2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x565148e511bc - core::fmt::write::h31bd00fc0f85031b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x565148e23e6e - std::io::Write::write_fmt::hd97b56c28d49e8d5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x565148e26bb4 - std::sys_common::backtrace::_print::h8ab9a59ea8fc9a86 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x565148e26bb4 - std::sys_common::backtrace::print::hfe7afa943e316a5b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x565148e28b7a - std::panicking::panic_hook_with_disk_dump::{{closure}}::hae52bf9a035c21dd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x565148e2873d - std::panicking::panic_hook_with_disk_dump::hb6c613677d0ff679 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:311:9 [INFO] [stdout] 11: 0x565148bb0e5c - as core::ops::function::Fn>::call::h70da65d4ac9eaaa2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x565148bb0e5c - test::test_main::{{closure}}::h436fe668754d7667 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x565148e29303 - as core::ops::function::Fn>::call::h98627c2cfbd34c2e [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x565148e29303 - std::panicking::rust_panic_with_hook::hd82d7066cdf9e06f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:757:13 [INFO] [stdout] 15: 0x565148e29081 - std::panicking::begin_panic_handler::{{closure}}::hf97c71166d409481 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:631:13 [INFO] [stdout] 16: 0x565148e272f6 - std::sys_common::backtrace::__rust_end_short_backtrace::haa22df65c16edaa5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x565148e28dc2 - rust_begin_unwind [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:619:5 [INFO] [stdout] 18: 0x565148b67ba5 - core::panicking::panic_fmt::h0e243d6d1945608c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x565148b68173 - core::result::unwrap_failed::h0462c3c2bed88698 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x565148b706fb - core::result::Result::unwrap::h1cea933f8512782f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x565148b71e4c - rustlings::exercise::test::test_exercise_with_output::hd7a0520fcefeb2cc [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 22: 0x565148b71ce7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h742add07e2df226c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:36 [INFO] [stdout] 23: 0x565148b6f7b6 - core::ops::function::FnOnce::call_once::h77eab80935761a3d [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x565148bb5f8f - core::ops::function::FnOnce::call_once::hf5a9c4e4ad819183 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x565148bb5f8f - test::__rust_begin_short_backtrace::ha85af04d2b493cbd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x565148bb4f7e - test::run_test_in_process::{{closure}}::h80bae6710d6987aa [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x565148bb4f7e - as core::ops::function::FnOnce<()>>::call_once::h1e8456d02dd6a27f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x565148bb4f7e - std::panicking::try::do_call::h70bdb29e697eb37f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 29: 0x565148bb4f7e - std::panicking::try::hac0a5b5cab93a94f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 30: 0x565148bb4f7e - std::panic::catch_unwind::h242aae5a8ee61348 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x565148bb4f7e - test::run_test_in_process::hb95e3471d249e80a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x565148bb4f7e - test::run_test::{{closure}}::he4945c759a6bb284 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x565148b7d833 - test::run_test::{{closure}}::hef3ab237ad9dfdfa [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x565148b7d833 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd6c3f5e9450d872a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x565148b8292b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h033a4dc4b24e2ae4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x565148b8292b - as core::ops::function::FnOnce<()>>::call_once::hf6ace37e8c04836b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x565148b8292b - std::panicking::try::do_call::h873acc9efc68dde9 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 38: 0x565148b8292b - std::panicking::try::hf1c7b0cddd2a156c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 39: 0x565148b8292b - std::panic::catch_unwind::hd0800cc038b1a0e3 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x565148b8292b - std::thread::Builder::spawn_unchecked_::{{closure}}::hbd3f2581a283969b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x565148b8292b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05a4474bc37631e7 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x565148e2db05 - as core::ops::function::FnOnce>::call_once::ha81bceedc5dd4605 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x565148e2db05 - as core::ops::function::FnOnce>::call_once::ha86fb738f82c9cc8 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x565148e2db05 - std::sys::unix::thread::Thread::new::thread_start::h2c80c44f64da2074 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f0a4d3ceb43 - [INFO] [stdout] 46: 0x7f0a4d45fbb4 - __clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "fa2083e2d7a6eec1e61238aac384a9f0cbe0bb0f27c9f648735954f811dcb2b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa2083e2d7a6eec1e61238aac384a9f0cbe0bb0f27c9f648735954f811dcb2b7", kill_on_drop: false }` [INFO] [stdout] fa2083e2d7a6eec1e61238aac384a9f0cbe0bb0f27c9f648735954f811dcb2b7