[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-ZHOUFUXING123 [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-ZHOUFUXING123" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-ZHOUFUXING123", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-ZHOUFUXING123'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f03019650608ef2837abb14e07fbfbbf982af241 [INFO] testing cicvedu/rust-rustlings-ZHOUFUXING123 against try#5a3d3b91048a0adf280e7a4e589c1dda6443f172 for pr-115235-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-ZHOUFUXING123" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-ZHOUFUXING123 on toolchain 5a3d3b91048a0adf280e7a4e589c1dda6443f172 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-ZHOUFUXING123 [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-ZHOUFUXING123 [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-ZHOUFUXING123 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-ZHOUFUXING123 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" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10d532a8798e5528e9397b2c9a498c8e438d0d9c7c1d9e2f2901e105c18ee161 [INFO] running `Command { std: "docker" "start" "-a" "10d532a8798e5528e9397b2c9a498c8e438d0d9c7c1d9e2f2901e105c18ee161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10d532a8798e5528e9397b2c9a498c8e438d0d9c7c1d9e2f2901e105c18ee161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10d532a8798e5528e9397b2c9a498c8e438d0d9c7c1d9e2f2901e105c18ee161", kill_on_drop: false }` [INFO] [stdout] 10d532a8798e5528e9397b2c9a498c8e438d0d9c7c1d9e2f2901e105c18ee161 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89401090b459fb0b1c7defe2b1459a5050d2879a9cfc3ff776026424d8bf0d86 [INFO] running `Command { std: "docker" "start" "-a" "89401090b459fb0b1c7defe2b1459a5050d2879a9cfc3ff776026424d8bf0d86", 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 unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling unicode-width v0.1.10 [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 lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling aho-corasick v1.0.2 [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 inotify v0.7.1 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [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 41.67s [INFO] running `Command { std: "docker" "inspect" "89401090b459fb0b1c7defe2b1459a5050d2879a9cfc3ff776026424d8bf0d86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89401090b459fb0b1c7defe2b1459a5050d2879a9cfc3ff776026424d8bf0d86", kill_on_drop: false }` [INFO] [stdout] 89401090b459fb0b1c7defe2b1459a5050d2879a9cfc3ff776026424d8bf0d86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b22a37fb33aa3e21f1680f48e3b99ddee355a13708530bb8bffde0aa03a159da [INFO] running `Command { std: "docker" "start" "-a" "b22a37fb33aa3e21f1680f48e3b99ddee355a13708530bb8bffde0aa03a159da", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [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 5.71s [INFO] running `Command { std: "docker" "inspect" "b22a37fb33aa3e21f1680f48e3b99ddee355a13708530bb8bffde0aa03a159da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b22a37fb33aa3e21f1680f48e3b99ddee355a13708530bb8bffde0aa03a159da", kill_on_drop: false }` [INFO] [stdout] b22a37fb33aa3e21f1680f48e3b99ddee355a13708530bb8bffde0aa03a159da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ae5c225e790fb890c1bfb1a80fa93cfd94c62f087fc6721b7a44e98d74f78f78 [INFO] running `Command { std: "docker" "start" "-a" "ae5c225e790fb890c1bfb1a80fa93cfd94c62f087fc6721b7a44e98d74f78f78", 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: 0x55ff74b9552c - std::backtrace_rs::backtrace::libunwind::trace::h1e94f51a70590b24 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55ff74b9552c - std::backtrace_rs::backtrace::trace_unsynchronized::ha4b8601070a1cd51 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ff74b9552c - std::sys_common::backtrace::_print_fmt::hbb566ca2fd60b76a [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55ff74b9552c - ::fmt::hca47315a43d59c89 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55ff74bbf91c - core::fmt::rt::Argument::fmt::h291f645ad8573757 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55ff74bbf91c - core::fmt::write::h9b76cf5ceec3eda1 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55ff74b925ce - std::io::Write::write_fmt::hbf1f0cf12dc92713 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55ff74b95314 - std::sys_common::backtrace::_print::h53287555ce02ffe8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55ff74b95314 - std::sys_common::backtrace::print::h4ce9b6d019078194 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55ff74b972da - std::panicking::panic_hook_with_disk_dump::{{closure}}::h6345d620bf90f980 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x55ff74b96e9d - std::panicking::panic_hook_with_disk_dump::h881dcb47bef2b023 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:311:9 [INFO] [stdout] 11: 0x55ff7491c89c - as core::ops::function::Fn>::call::h0a9fbb794b941f9d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x55ff7491c89c - test::test_main::{{closure}}::h9db00ca471be4099 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x55ff74b97a63 - as core::ops::function::Fn>::call::hc6a6af3e65f55d16 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x55ff74b97a63 - std::panicking::rust_panic_with_hook::h4685f1313004386b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:757:13 [INFO] [stdout] 15: 0x55ff74b977e1 - std::panicking::begin_panic_handler::{{closure}}::h540f1f43109c9ae2 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:631:13 [INFO] [stdout] 16: 0x55ff74b95a56 - std::sys_common::backtrace::__rust_end_short_backtrace::h32246c56143d8eeb [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x55ff74b97522 - rust_begin_unwind [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:619:5 [INFO] [stdout] 18: 0x55ff748d2ba5 - core::panicking::panic_fmt::h069b828d25155aac [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55ff748d3173 - core::result::unwrap_failed::h1f617a1e73214eda [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x55ff748db85b - core::result::Result::unwrap::hce45b56f7a595df8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x55ff748dc131 - rustlings::exercise::test::test_clean::hb2cab266e4a5b77c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 22: 0x55ff748dc0b7 - rustlings::exercise::test::test_clean::{{closure}}::h0159310764823c67 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:21 [INFO] [stdout] 23: 0x55ff748da766 - core::ops::function::FnOnce::call_once::h8cf44e09428e657b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55ff749219ff - core::ops::function::FnOnce::call_once::h2aef34e6acc65029 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55ff749219ff - test::__rust_begin_short_backtrace::hfdea76d6780e6510 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x55ff749209be - test::run_test_in_process::{{closure}}::h2860e94e5e07a47b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x55ff749209be - as core::ops::function::FnOnce<()>>::call_once::h6cf0a0c7d6d6447c [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x55ff749209be - std::panicking::try::do_call::hc4a61e82bc0c67ba [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:526:40 [INFO] [stdout] 29: 0x55ff749209be - std::panicking::try::h05e3a2daf0b965e4 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:490:19 [INFO] [stdout] 30: 0x55ff749209be - std::panic::catch_unwind::h4659759e5053bebb [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55ff749209be - test::run_test_in_process::h027c8b5c20644114 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x55ff749209be - test::run_test::{{closure}}::he552487161f9859d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x55ff748e9273 - test::run_test::{{closure}}::ha2969e01b809050f [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x55ff748e9273 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc13bcbe13128fc87 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x55ff748ee36b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h66e44e016f7cf64d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x55ff748ee36b - as core::ops::function::FnOnce<()>>::call_once::h25d58404e55a13ae [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x55ff748ee36b - std::panicking::try::do_call::h5352b694c9bdaf04 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:526:40 [INFO] [stdout] 38: 0x55ff748ee36b - std::panicking::try::h6acca093cdb15f30 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:490:19 [INFO] [stdout] 39: 0x55ff748ee36b - std::panic::catch_unwind::h5a91529e832b53b8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55ff748ee36b - std::thread::Builder::spawn_unchecked_::{{closure}}::h8a2abb668a393745 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x55ff748ee36b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3b1470c73a7ade89 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55ff74b9c265 - as core::ops::function::FnOnce>::call_once::h1a6a2d2ed8a57b6b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x55ff74b9c265 - as core::ops::function::FnOnce>::call_once::h03ce391955487b79 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x55ff74b9c265 - std::sys::unix::thread::Thread::new::thread_start::hbba6566cc475cfee [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f4d212ecb43 - [INFO] [stdout] 46: 0x7f4d2137dbb4 - __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/./rmetam8Gr58\"\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: 0x55ff74b9552c - std::backtrace_rs::backtrace::libunwind::trace::h1e94f51a70590b24 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55ff74b9552c - std::backtrace_rs::backtrace::trace_unsynchronized::ha4b8601070a1cd51 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ff74b9552c - std::sys_common::backtrace::_print_fmt::hbb566ca2fd60b76a [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55ff74b9552c - ::fmt::hca47315a43d59c89 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55ff74bbf91c - core::fmt::rt::Argument::fmt::h291f645ad8573757 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55ff74bbf91c - core::fmt::write::h9b76cf5ceec3eda1 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55ff74b925ce - std::io::Write::write_fmt::hbf1f0cf12dc92713 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55ff74b95314 - std::sys_common::backtrace::_print::h53287555ce02ffe8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55ff74b95314 - std::sys_common::backtrace::print::h4ce9b6d019078194 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55ff74b972da - std::panicking::panic_hook_with_disk_dump::{{closure}}::h6345d620bf90f980 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x55ff74b96e9d - std::panicking::panic_hook_with_disk_dump::h881dcb47bef2b023 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:311:9 [INFO] [stdout] 11: 0x55ff7491c89c - as core::ops::function::Fn>::call::h0a9fbb794b941f9d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x55ff7491c89c - test::test_main::{{closure}}::h9db00ca471be4099 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x55ff74b97a63 - as core::ops::function::Fn>::call::hc6a6af3e65f55d16 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x55ff74b97a63 - std::panicking::rust_panic_with_hook::h4685f1313004386b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:757:13 [INFO] [stdout] 15: 0x55ff74b977e1 - std::panicking::begin_panic_handler::{{closure}}::h540f1f43109c9ae2 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:631:13 [INFO] [stdout] 16: 0x55ff74b95a56 - std::sys_common::backtrace::__rust_end_short_backtrace::h32246c56143d8eeb [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x55ff74b97522 - rust_begin_unwind [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:619:5 [INFO] [stdout] 18: 0x55ff748d2ba5 - core::panicking::panic_fmt::h069b828d25155aac [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55ff748d3173 - core::result::unwrap_failed::h1f617a1e73214eda [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/result.rs:1652:5 [INFO] [stdout] 20: 0x55ff748db7bb - core::result::Result::unwrap::h9f0800c99060cc6f [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x55ff748dce4c - rustlings::exercise::test::test_exercise_with_output::h6859c7e58bfea008 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 22: 0x55ff748dcce7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h8a7245fc6cbf30f2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:36 [INFO] [stdout] 23: 0x55ff748da726 - core::ops::function::FnOnce::call_once::h65b81755560cc894 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55ff749219ff - core::ops::function::FnOnce::call_once::h2aef34e6acc65029 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55ff749219ff - test::__rust_begin_short_backtrace::hfdea76d6780e6510 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x55ff749209be - test::run_test_in_process::{{closure}}::h2860e94e5e07a47b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x55ff749209be - as core::ops::function::FnOnce<()>>::call_once::h6cf0a0c7d6d6447c [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x55ff749209be - std::panicking::try::do_call::hc4a61e82bc0c67ba [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:526:40 [INFO] [stdout] 29: 0x55ff749209be - std::panicking::try::h05e3a2daf0b965e4 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:490:19 [INFO] [stdout] 30: 0x55ff749209be - std::panic::catch_unwind::h4659759e5053bebb [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55ff749209be - test::run_test_in_process::h027c8b5c20644114 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x55ff749209be - test::run_test::{{closure}}::he552487161f9859d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x55ff748e9273 - test::run_test::{{closure}}::ha2969e01b809050f [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x55ff748e9273 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc13bcbe13128fc87 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x55ff748ee36b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h66e44e016f7cf64d [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x55ff748ee36b - as core::ops::function::FnOnce<()>>::call_once::h25d58404e55a13ae [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x55ff748ee36b - std::panicking::try::do_call::h5352b694c9bdaf04 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:526:40 [INFO] [stdout] 38: 0x55ff748ee36b - std::panicking::try::h6acca093cdb15f30 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panicking.rs:490:19 [INFO] [stdout] 39: 0x55ff748ee36b - std::panic::catch_unwind::h5a91529e832b53b8 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55ff748ee36b - std::thread::Builder::spawn_unchecked_::{{closure}}::h8a2abb668a393745 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x55ff748ee36b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3b1470c73a7ade89 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55ff74b9c265 - as core::ops::function::FnOnce>::call_once::h1a6a2d2ed8a57b6b [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x55ff74b9c265 - as core::ops::function::FnOnce>::call_once::h03ce391955487b79 [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x55ff74b9c265 - std::sys::unix::thread::Thread::new::thread_start::hbba6566cc475cfee [INFO] [stdout] at /rustc/5a3d3b91048a0adf280e7a4e589c1dda6443f172/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f4d212ecb43 - [INFO] [stdout] 46: 0x7f4d2137dbb4 - __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" "ae5c225e790fb890c1bfb1a80fa93cfd94c62f087fc6721b7a44e98d74f78f78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae5c225e790fb890c1bfb1a80fa93cfd94c62f087fc6721b7a44e98d74f78f78", kill_on_drop: false }` [INFO] [stdout] ae5c225e790fb890c1bfb1a80fa93cfd94c62f087fc6721b7a44e98d74f78f78