[INFO] cloning repository https://github.com/LearningOS/learn_rust_rustlings-Lunaticf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/learn_rust_rustlings-Lunaticf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-Lunaticf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-Lunaticf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a2e23d8247fa82d199e331a97661845e79a46d1 [INFO] testing LearningOS/learn_rust_rustlings-Lunaticf against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-Lunaticf" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "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 [ERROR] error running command: no output for 300 seconds [INFO] testing LearningOS/learn_rust_rustlings-Lunaticf against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-Lunaticf" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-Lunaticf 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31530aeb501d437d6216bd82f44eda1c42e0f4e884c002f525f528b66114f9eb [INFO] running `Command { std: "docker" "start" "-a" "31530aeb501d437d6216bd82f44eda1c42e0f4e884c002f525f528b66114f9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31530aeb501d437d6216bd82f44eda1c42e0f4e884c002f525f528b66114f9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31530aeb501d437d6216bd82f44eda1c42e0f4e884c002f525f528b66114f9eb", kill_on_drop: false }` [INFO] [stdout] 31530aeb501d437d6216bd82f44eda1c42e0f4e884c002f525f528b66114f9eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d7fa399269432c7205d7764a51c0c0b410a5d476c59ad331d8da2fc8da812a0 [INFO] running `Command { std: "docker" "start" "-a" "8d7fa399269432c7205d7764a51c0c0b410a5d476c59ad331d8da2fc8da812a0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling rustlings v4.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.42s [INFO] running `Command { std: "docker" "inspect" "8d7fa399269432c7205d7764a51c0c0b410a5d476c59ad331d8da2fc8da812a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d7fa399269432c7205d7764a51c0c0b410a5d476c59ad331d8da2fc8da812a0", kill_on_drop: false }` [INFO] [stdout] 8d7fa399269432c7205d7764a51c0c0b410a5d476c59ad331d8da2fc8da812a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8e3c86e84db97542519cc4ed22fd60b1f0354dace243a3ea4c6d22fb6f27345 [INFO] running `Command { std: "docker" "start" "-a" "b8e3c86e84db97542519cc4ed22fd60b1f0354dace243a3ea4c6d22fb6f27345", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.14 [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 v4.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.29s [INFO] running `Command { std: "docker" "inspect" "b8e3c86e84db97542519cc4ed22fd60b1f0354dace243a3ea4c6d22fb6f27345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8e3c86e84db97542519cc4ed22fd60b1f0354dace243a3ea4c6d22fb6f27345", kill_on_drop: false }` [INFO] [stdout] b8e3c86e84db97542519cc4ed22fd60b1f0354dace243a3ea4c6d22fb6f27345 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c1941de29b107cc69a4a9f8792f6060243893661e254964881014585cbd26289 [INFO] running `Command { std: "docker" "start" "-a" "c1941de29b107cc69a4a9f8792f6060243893661e254964881014585cbd26289", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustlings-07f4fc2dcf2edc7c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-da6bf78c0b4ec307) [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] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:269:36: [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: 0x63bf428522d2 - std::backtrace_rs::backtrace::libunwind::trace::h2bdbdb423cc746ad [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x63bf428522d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h876081fa48c0856a [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x63bf428522d2 - std::sys::backtrace::_print_fmt::h744638bebbff2806 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x63bf428522d2 - ::fmt::he6e74fa9d0076b5d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x63bf42876c53 - core::fmt::rt::Argument::fmt::hf88a3177e76af877 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x63bf42876c53 - core::fmt::write::h6442196e41589522 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/fmt/mod.rs:1446:25 [INFO] [stdout] 6: 0x63bf4284f233 - std::io::default_write_fmt::h19b804dc75596022 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x63bf4284f233 - std::io::Write::write_fmt::h561df7c669043671 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/io/mod.rs:1914:13 [INFO] [stdout] 8: 0x63bf42852122 - std::sys::backtrace::BacktraceLock::print::h25e1ce4c29150054 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x63bf4285390c - std::panicking::default_hook::{{closure}}::h36663bdaae83f2bb [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:300:22 [INFO] [stdout] 10: 0x63bf42853762 - std::panicking::default_hook::hb9d7c40580cf1835 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x63bf426eba44 - as core::ops::function::Fn>::call::h53bdf3f1ac68020f [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x63bf426eba44 - test::test_main_with_exit_callback::{{closure}}::h3ae9af1665ff5b7d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x63bf42854403 - as core::ops::function::Fn>::call::ha3a705c6ebc0f8fb [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x63bf42854403 - std::panicking::rust_panic_with_hook::h2d703857e4ba629f [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x63bf428540ba - std::panicking::begin_panic_handler::{{closure}}::h53dd12a17ad784b1 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x63bf428527d9 - std::sys::backtrace::__rust_end_short_backtrace::hf54a874920d38937 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x63bf42853d4d - __rustc[22d03d94d4da23d0]::rust_begin_unwind [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x63bf428756c0 - core::panicking::panic_fmt::hb74c170c8276d1d6 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x63bf42875b26 - core::result::unwrap_failed::hc1dbbc53e2530a6b [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/result.rs:1732:5 [INFO] [stdout] 20: 0x63bf426ab44c - core::result::Result::unwrap::hdf34343d27cc11f7 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/result.rs:1137:23 [INFO] [stdout] 21: 0x63bf426ab44c - rustlings::exercise::test::test_clean::hb5262dc77ad64034 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:9 [INFO] [stdout] 22: 0x63bf426ab387 - rustlings::exercise::test::test_clean::{{closure}}::heaed1949e494842c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:268:20 [INFO] [stdout] 23: 0x63bf426a8976 - core::ops::function::FnOnce::call_once::h746fc9a0ccec1716 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x63bf426f123b - core::ops::function::FnOnce::call_once::h0c81d2c7e362685a [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x63bf426f123b - test::__rust_begin_short_backtrace::hc62049913de4b9c6 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x63bf426f0452 - test::run_test_in_process::{{closure}}::h906d61461feea06d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:671:60 [INFO] [stdout] 27: 0x63bf426f0452 - as core::ops::function::FnOnce<()>>::call_once::h962d8c24a3ec06f1 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x63bf426f0452 - std::panicking::try::do_call::h88e304055018b07f [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x63bf426f0452 - std::panicking::try::h34046f0780b49f58 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x63bf426f0452 - std::panic::catch_unwind::h7d7ad4d133a51a76 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x63bf426f0452 - test::run_test_in_process::h0871d7f888d1f41c [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x63bf426f0452 - test::run_test::{{closure}}::h696f8114d8bae20e [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x63bf426b3844 - test::run_test::{{closure}}::h632082d0bd36bde1 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x63bf426b3844 - std::sys::backtrace::__rust_begin_short_backtrace::hf4db03c672d46ea2 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x63bf426b731a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571ce7b4ea6fba0e [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x63bf426b731a - as core::ops::function::FnOnce<()>>::call_once::h79478c2f2b0b4ed6 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x63bf426b731a - std::panicking::try::do_call::hdfb524d8b1c5ea5d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x63bf426b731a - std::panicking::try::hb57ee69084fa6c6a [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x63bf426b731a - std::panic::catch_unwind::h1fcc7dadd90dd47c [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x63bf426b731a - std::thread::Builder::spawn_unchecked_::{{closure}}::h7201710e36d47c29 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x63bf426b731a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha75b12b48ae5b3d2 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x63bf42855cab - as core::ops::function::FnOnce>::call_once::h02517bb8c2b8e279 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x63bf42855cab - as core::ops::function::FnOnce>::call_once::h760bb73d54d4c118 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x63bf42855cab - std::sys::pal::unix::thread::Thread::new::thread_start::h91ff250566269b77 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 45: 0x792ba91d5aa4 - [INFO] [stdout] 46: 0x792ba9262a34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:342:38: [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/./rmetamoAYTe\"\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: 0x63bf428522d2 - std::backtrace_rs::backtrace::libunwind::trace::h2bdbdb423cc746ad [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x63bf428522d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h876081fa48c0856a [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x63bf428522d2 - std::sys::backtrace::_print_fmt::h744638bebbff2806 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x63bf428522d2 - ::fmt::he6e74fa9d0076b5d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x63bf42876c53 - core::fmt::rt::Argument::fmt::hf88a3177e76af877 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x63bf42876c53 - core::fmt::write::h6442196e41589522 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/fmt/mod.rs:1446:25 [INFO] [stdout] 6: 0x63bf4284f233 - std::io::default_write_fmt::h19b804dc75596022 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x63bf4284f233 - std::io::Write::write_fmt::h561df7c669043671 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/io/mod.rs:1914:13 [INFO] [stdout] 8: 0x63bf42852122 - std::sys::backtrace::BacktraceLock::print::h25e1ce4c29150054 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x63bf4285390c - std::panicking::default_hook::{{closure}}::h36663bdaae83f2bb [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:300:22 [INFO] [stdout] 10: 0x63bf42853762 - std::panicking::default_hook::hb9d7c40580cf1835 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x63bf426eba44 - as core::ops::function::Fn>::call::h53bdf3f1ac68020f [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x63bf426eba44 - test::test_main_with_exit_callback::{{closure}}::h3ae9af1665ff5b7d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x63bf42854403 - as core::ops::function::Fn>::call::ha3a705c6ebc0f8fb [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x63bf42854403 - std::panicking::rust_panic_with_hook::h2d703857e4ba629f [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x63bf428540ba - std::panicking::begin_panic_handler::{{closure}}::h53dd12a17ad784b1 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x63bf428527d9 - std::sys::backtrace::__rust_end_short_backtrace::hf54a874920d38937 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x63bf42853d4d - __rustc[22d03d94d4da23d0]::rust_begin_unwind [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x63bf428756c0 - core::panicking::panic_fmt::hb74c170c8276d1d6 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x63bf42875b26 - core::result::unwrap_failed::hc1dbbc53e2530a6b [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/result.rs:1732:5 [INFO] [stdout] 20: 0x63bf426ac2e6 - core::result::Result::unwrap::hc6c6c15d2d0f57b9 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/result.rs:1137:23 [INFO] [stdout] 21: 0x63bf426ac2e6 - rustlings::exercise::test::test_exercise_with_output::h620e331f9e02149c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:342:19 [INFO] [stdout] 22: 0x63bf426ac0e7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h2578707fb0fdccfa [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:335:35 [INFO] [stdout] 23: 0x63bf426a89c6 - core::ops::function::FnOnce::call_once::hb30a54086e21078d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x63bf426f123b - core::ops::function::FnOnce::call_once::h0c81d2c7e362685a [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x63bf426f123b - test::__rust_begin_short_backtrace::hc62049913de4b9c6 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x63bf426f0452 - test::run_test_in_process::{{closure}}::h906d61461feea06d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:671:60 [INFO] [stdout] 27: 0x63bf426f0452 - as core::ops::function::FnOnce<()>>::call_once::h962d8c24a3ec06f1 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x63bf426f0452 - std::panicking::try::do_call::h88e304055018b07f [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x63bf426f0452 - std::panicking::try::h34046f0780b49f58 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x63bf426f0452 - std::panic::catch_unwind::h7d7ad4d133a51a76 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x63bf426f0452 - test::run_test_in_process::h0871d7f888d1f41c [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x63bf426f0452 - test::run_test::{{closure}}::h696f8114d8bae20e [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x63bf426b3844 - test::run_test::{{closure}}::h632082d0bd36bde1 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x63bf426b3844 - std::sys::backtrace::__rust_begin_short_backtrace::hf4db03c672d46ea2 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x63bf426b731a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571ce7b4ea6fba0e [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x63bf426b731a - as core::ops::function::FnOnce<()>>::call_once::h79478c2f2b0b4ed6 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x63bf426b731a - std::panicking::try::do_call::hdfb524d8b1c5ea5d [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x63bf426b731a - std::panicking::try::hb57ee69084fa6c6a [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x63bf426b731a - std::panic::catch_unwind::h1fcc7dadd90dd47c [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x63bf426b731a - std::thread::Builder::spawn_unchecked_::{{closure}}::h7201710e36d47c29 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x63bf426b731a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha75b12b48ae5b3d2 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x63bf42855cab - as core::ops::function::FnOnce>::call_once::h02517bb8c2b8e279 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x63bf42855cab - as core::ops::function::FnOnce>::call_once::h760bb73d54d4c118 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x63bf42855cab - std::sys::pal::unix::thread::Thread::new::thread_start::h91ff250566269b77 [INFO] [stdout] at /rustc/17092ad00ed8fe1e7f81a7e38238ff70779034b1/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 45: 0x792ba91d5aa4 - [INFO] [stdout] 46: 0x792ba9262a34 - 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 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "c1941de29b107cc69a4a9f8792f6060243893661e254964881014585cbd26289", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1941de29b107cc69a4a9f8792f6060243893661e254964881014585cbd26289", kill_on_drop: false }` [INFO] [stdout] c1941de29b107cc69a4a9f8792f6060243893661e254964881014585cbd26289