[INFO] cloning repository https://github.com/cicvedu/rustlings-semester-3-jiyuan0125 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rustlings-semester-3-jiyuan0125" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-3-jiyuan0125", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-3-jiyuan0125'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2cab779d6a834534bd31edbee6f4212f841ce46d [INFO] testing cicvedu/rustlings-semester-3-jiyuan0125 against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-3-jiyuan0125" "/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/rustlings-semester-3-jiyuan0125 on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cicvedu/rustlings-semester-3-jiyuan0125 [INFO] finished tweaking git repo https://github.com/cicvedu/rustlings-semester-3-jiyuan0125 [INFO] tweaked toml for git repo https://github.com/cicvedu/rustlings-semester-3-jiyuan0125 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cicvedu/rustlings-semester-3-jiyuan0125 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7178c4a3e8817659f4277c84a8a6673b602939e1ad54f93282acf0be16f91e0d [INFO] running `Command { std: "docker" "start" "-a" "7178c4a3e8817659f4277c84a8a6673b602939e1ad54f93282acf0be16f91e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7178c4a3e8817659f4277c84a8a6673b602939e1ad54f93282acf0be16f91e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7178c4a3e8817659f4277c84a8a6673b602939e1ad54f93282acf0be16f91e0d", kill_on_drop: false }` [INFO] [stdout] 7178c4a3e8817659f4277c84a8a6673b602939e1ad54f93282acf0be16f91e0d [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1c16c350837656d7fd0b4c90dc4d28ae94465e3e311935d1f2b5c4781e1da60 [INFO] running `Command { std: "docker" "start" "-a" "c1c16c350837656d7fd0b4c90dc4d28ae94465e3e311935d1f2b5c4781e1da60", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [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 cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [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 aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [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` profile [unoptimized + debuginfo] target(s) in 30.59s [INFO] running `Command { std: "docker" "inspect" "c1c16c350837656d7fd0b4c90dc4d28ae94465e3e311935d1f2b5c4781e1da60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1c16c350837656d7fd0b4c90dc4d28ae94465e3e311935d1f2b5c4781e1da60", kill_on_drop: false }` [INFO] [stdout] c1c16c350837656d7fd0b4c90dc4d28ae94465e3e311935d1f2b5c4781e1da60 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 452c7e7409b6a122ef073eed5a5fea183e81001c59bde77e332e66f49257cdbe [INFO] running `Command { std: "docker" "start" "-a" "452c7e7409b6a122ef073eed5a5fea183e81001c59bde77e332e66f49257cdbe", 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 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` profile [unoptimized + debuginfo] target(s) in 5.33s [INFO] running `Command { std: "docker" "inspect" "452c7e7409b6a122ef073eed5a5fea183e81001c59bde77e332e66f49257cdbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "452c7e7409b6a122ef073eed5a5fea183e81001c59bde77e332e66f49257cdbe", kill_on_drop: false }` [INFO] [stdout] 452c7e7409b6a122ef073eed5a5fea183e81001c59bde77e332e66f49257cdbe [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9fc879794402c747acd0d00ef3d221bff8193f56d7f808547221029b0b77674d [INFO] running `Command { std: "docker" "start" "-a" "9fc879794402c747acd0d00ef3d221bff8193f56d7f808547221029b0b77674d", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-7747afdab9b9b976) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [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: 0x595c86d2852a - std::backtrace_rs::backtrace::libunwind::trace::h3dab7ffe210583a3 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x595c86d2852a - std::backtrace_rs::backtrace::trace_unsynchronized::h85ec3139dd4f9047 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x595c86d2852a - std::sys::backtrace::_print_fmt::h3447259688950eab [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x595c86d2852a - ::fmt::ha8d24a0f27cc401d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x595c86d4fc63 - core::fmt::rt::Argument::fmt::h650b92642f481125 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x595c86d4fc63 - core::fmt::write::h5becf96591c394eb [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/fmt/mod.rs:1437:21 [INFO] [stdout] 6: 0x595c86d25163 - std::io::Write::write_fmt::h61fb565ee25d88c6 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x595c86d28372 - std::sys::backtrace::BacktraceLock::print::hae1dc20f39b0ae80 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x595c86d299ae - std::panicking::default_hook::{{closure}}::hb3023fc9edf847a9 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:284:22 [INFO] [stdout] 9: 0x595c86d297b7 - std::panicking::default_hook::h271aee2d85880663 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:308:9 [INFO] [stdout] 10: 0x595c86adf468 - as core::ops::function::Fn>::call::hbfe4f2a7834d388d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 11: 0x595c86adf468 - test::test_main::{{closure}}::hbb7d4fde4185abc5 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x595c86d2a1c8 - as core::ops::function::Fn>::call::hd4cbe0a9e8955cde [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 13: 0x595c86d2a1c8 - std::panicking::rust_panic_with_hook::he05f4a167c1908ac [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:825:13 [INFO] [stdout] 14: 0x595c86d29e7a - std::panicking::begin_panic_handler::{{closure}}::h79780775730ab9df [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:690:13 [INFO] [stdout] 15: 0x595c86d289f9 - std::sys::backtrace::__rust_end_short_backtrace::h753217146a30d8a2 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x595c86d29b0d - rust_begin_unwind [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:681:5 [INFO] [stdout] 17: 0x595c86d4e2f0 - core::panicking::panic_fmt::h9ad4c3d87a3eb4ad [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x595c86d4e766 - core::result::unwrap_failed::h865c91c1a27f7a85 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/result.rs:1699:5 [INFO] [stdout] 19: 0x595c86a991ea - core::result::Result::unwrap::hf29f98677f4abaf0 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x595c86a991ea - rustlings::exercise::test::test_clean::h848f1e09bb75add6 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x595c86a99127 - rustlings::exercise::test::test_clean::{{closure}}::h2c6d06d5cc60b059 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x595c86a9bea6 - core::ops::function::FnOnce::call_once::h2ab31f4d97675993 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x595c86ae40ab - core::ops::function::FnOnce::call_once::h651e3187cb632f8b [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x595c86ae40ab - test::__rust_begin_short_backtrace::hf087c08482082584 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x595c86ae39b9 - test::run_test_in_process::{{closure}}::h028b11125eb38b18 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x595c86ae39b9 - as core::ops::function::FnOnce<()>>::call_once::h8a69fc59e5c0ffcd [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x595c86ae39b9 - std::panicking::try::do_call::h53d2549af1773521 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:573:40 [INFO] [stdout] 28: 0x595c86ae39b9 - std::panicking::try::h327579c208c8ae37 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:536:19 [INFO] [stdout] 29: 0x595c86ae39b9 - std::panic::catch_unwind::hae7e4a4da155a27e [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x595c86ae39b9 - test::run_test_in_process::hef0a7b0ac1ee3437 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x595c86ae39b9 - test::run_test::{{closure}}::h007633ec4ae045b1 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x595c86aa672a - test::run_test::{{closure}}::hf3a8c9852b545b46 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x595c86aa672a - std::sys::backtrace::__rust_begin_short_backtrace::ha442d5d7942f6ee9 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x595c86aaa196 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc8fd461cdc84b676 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/thread/mod.rs:561:17 [INFO] [stdout] 35: 0x595c86aaa196 - as core::ops::function::FnOnce<()>>::call_once::h5a459cc955f063ed [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x595c86aaa196 - std::panicking::try::do_call::hc249aed3a6c9c972 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:573:40 [INFO] [stdout] 37: 0x595c86aaa196 - std::panicking::try::h649add41232b7ab3 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:536:19 [INFO] [stdout] 38: 0x595c86aaa196 - std::panic::catch_unwind::h2fd522623ccd57b0 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x595c86aaa196 - std::thread::Builder::spawn_unchecked_::{{closure}}::h685de412d0d20b6b [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/thread/mod.rs:559:30 [INFO] [stdout] 40: 0x595c86aaa196 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf3391e711cf5434d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x595c86d2e2cb - as core::ops::function::FnOnce>::call_once::hc98bb0f9729b604d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 42: 0x595c86d2e2cb - as core::ops::function::FnOnce>::call_once::h3b479d8e9f1fef9f [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 43: 0x595c86d2e2cb - std::sys::pal::unix::thread::Thread::new::thread_start::he3d5da9652362070 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x777dcaf10ac3 - [INFO] [stdout] 45: 0x777dcafa1a04 - clone [INFO] [stdout] 46: 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/./rmetaCUrBSg\"\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 1 previous error\u{1b}[0m\n\n" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x595c86d2852a - std::backtrace_rs::backtrace::libunwind::trace::h3dab7ffe210583a3 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x595c86d2852a - std::backtrace_rs::backtrace::trace_unsynchronized::h85ec3139dd4f9047 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x595c86d2852a - std::sys::backtrace::_print_fmt::h3447259688950eab [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x595c86d2852a - ::fmt::ha8d24a0f27cc401d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x595c86d4fc63 - core::fmt::rt::Argument::fmt::h650b92642f481125 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x595c86d4fc63 - core::fmt::write::h5becf96591c394eb [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/fmt/mod.rs:1437:21 [INFO] [stdout] 6: 0x595c86d25163 - std::io::Write::write_fmt::h61fb565ee25d88c6 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x595c86d28372 - std::sys::backtrace::BacktraceLock::print::hae1dc20f39b0ae80 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x595c86d299ae - std::panicking::default_hook::{{closure}}::hb3023fc9edf847a9 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:284:22 [INFO] [stdout] 9: 0x595c86d297b7 - std::panicking::default_hook::h271aee2d85880663 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:308:9 [INFO] [stdout] 10: 0x595c86adf468 - as core::ops::function::Fn>::call::hbfe4f2a7834d388d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 11: 0x595c86adf468 - test::test_main::{{closure}}::hbb7d4fde4185abc5 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x595c86d2a1c8 - as core::ops::function::Fn>::call::hd4cbe0a9e8955cde [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1984:9 [INFO] [stdout] 13: 0x595c86d2a1c8 - std::panicking::rust_panic_with_hook::he05f4a167c1908ac [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:825:13 [INFO] [stdout] 14: 0x595c86d29e7a - std::panicking::begin_panic_handler::{{closure}}::h79780775730ab9df [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:690:13 [INFO] [stdout] 15: 0x595c86d289f9 - std::sys::backtrace::__rust_end_short_backtrace::h753217146a30d8a2 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x595c86d29b0d - rust_begin_unwind [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:681:5 [INFO] [stdout] 17: 0x595c86d4e2f0 - core::panicking::panic_fmt::h9ad4c3d87a3eb4ad [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x595c86d4e766 - core::result::unwrap_failed::h865c91c1a27f7a85 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/result.rs:1699:5 [INFO] [stdout] 19: 0x595c86a9a05a - core::result::Result::unwrap::ha209ffea24d49c34 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/result.rs:1104:23 [INFO] [stdout] 20: 0x595c86a9a05a - rustlings::exercise::test::test_exercise_with_output::h91adfbc712e9049a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x595c86a99e67 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hb07c7463b6784f26 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x595c86a9bf26 - core::ops::function::FnOnce::call_once::h6b8043bfec6cf083 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x595c86ae40ab - core::ops::function::FnOnce::call_once::h651e3187cb632f8b [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x595c86ae40ab - test::__rust_begin_short_backtrace::hf087c08482082584 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x595c86ae39b9 - test::run_test_in_process::{{closure}}::h028b11125eb38b18 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x595c86ae39b9 - as core::ops::function::FnOnce<()>>::call_once::h8a69fc59e5c0ffcd [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x595c86ae39b9 - std::panicking::try::do_call::h53d2549af1773521 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:573:40 [INFO] [stdout] 28: 0x595c86ae39b9 - std::panicking::try::h327579c208c8ae37 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:536:19 [INFO] [stdout] 29: 0x595c86ae39b9 - std::panic::catch_unwind::hae7e4a4da155a27e [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x595c86ae39b9 - test::run_test_in_process::hef0a7b0ac1ee3437 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x595c86ae39b9 - test::run_test::{{closure}}::h007633ec4ae045b1 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x595c86aa672a - test::run_test::{{closure}}::hf3a8c9852b545b46 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x595c86aa672a - std::sys::backtrace::__rust_begin_short_backtrace::ha442d5d7942f6ee9 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x595c86aaa196 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc8fd461cdc84b676 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/thread/mod.rs:561:17 [INFO] [stdout] 35: 0x595c86aaa196 - as core::ops::function::FnOnce<()>>::call_once::h5a459cc955f063ed [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x595c86aaa196 - std::panicking::try::do_call::hc249aed3a6c9c972 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:573:40 [INFO] [stdout] 37: 0x595c86aaa196 - std::panicking::try::h649add41232b7ab3 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panicking.rs:536:19 [INFO] [stdout] 38: 0x595c86aaa196 - std::panic::catch_unwind::h2fd522623ccd57b0 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x595c86aaa196 - std::thread::Builder::spawn_unchecked_::{{closure}}::h685de412d0d20b6b [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/thread/mod.rs:559:30 [INFO] [stdout] 40: 0x595c86aaa196 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf3391e711cf5434d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x595c86d2e2cb - as core::ops::function::FnOnce>::call_once::hc98bb0f9729b604d [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 42: 0x595c86d2e2cb - as core::ops::function::FnOnce>::call_once::h3b479d8e9f1fef9f [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/alloc/src/boxed.rs:1970:9 [INFO] [stdout] 43: 0x595c86d2e2cb - std::sys::pal::unix::thread::Thread::new::thread_start::he3d5da9652362070 [INFO] [stdout] at /rustc/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x777dcaf10ac3 - [INFO] [stdout] 45: 0x777dcafa1a04 - clone [INFO] [stdout] 46: 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 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "9fc879794402c747acd0d00ef3d221bff8193f56d7f808547221029b0b77674d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fc879794402c747acd0d00ef3d221bff8193f56d7f808547221029b0b77674d", kill_on_drop: false }` [INFO] [stdout] 9fc879794402c747acd0d00ef3d221bff8193f56d7f808547221029b0b77674d