[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-Shanwer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-Shanwer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-Shanwer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 26e39f68fe808aa3a763b0d8f8f0edbd1e22e5d3 [INFO] testing LearningOS/rust-rustlings-Shanwer against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-Shanwer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-Shanwer on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-Shanwer written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-Shanwer 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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing LearningOS/rust-rustlings-Shanwer against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-Shanwer" "/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/LearningOS/rust-rustlings-Shanwer on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-Shanwer written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-Shanwer 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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "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/rust-rustlings-Shanwer against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-Shanwer" "/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/LearningOS/rust-rustlings-Shanwer on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-Shanwer [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-Shanwer written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-Shanwer 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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7fdc30b63973bf7f441dfb7dd3c53635d89f3e15a4b897cdaa1975b6b79b2e3 [INFO] running `Command { std: "docker" "start" "-a" "d7fdc30b63973bf7f441dfb7dd3c53635d89f3e15a4b897cdaa1975b6b79b2e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7fdc30b63973bf7f441dfb7dd3c53635d89f3e15a4b897cdaa1975b6b79b2e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7fdc30b63973bf7f441dfb7dd3c53635d89f3e15a4b897cdaa1975b6b79b2e3", kill_on_drop: false }` [INFO] [stdout] d7fdc30b63973bf7f441dfb7dd3c53635d89f3e15a4b897cdaa1975b6b79b2e3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9eb26e0ff2b155ceddec555308da1c82f0a9ca511574deaa9a1709afeabcc31d [INFO] running `Command { std: "docker" "start" "-a" "9eb26e0ff2b155ceddec555308da1c82f0a9ca511574deaa9a1709afeabcc31d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [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 num_cpus v1.13.1 [INFO] [stderr] Compiling mio v0.8.5 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling socket2 v0.4.7 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling rustlings v5.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.44s [INFO] running `Command { std: "docker" "inspect" "9eb26e0ff2b155ceddec555308da1c82f0a9ca511574deaa9a1709afeabcc31d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eb26e0ff2b155ceddec555308da1c82f0a9ca511574deaa9a1709afeabcc31d", kill_on_drop: false }` [INFO] [stdout] 9eb26e0ff2b155ceddec555308da1c82f0a9ca511574deaa9a1709afeabcc31d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76e8bb2e9703685d579575ec73f0e646c7dc89f9dc1bef629a270cd8c22dbf83 [INFO] running `Command { std: "docker" "start" "-a" "76e8bb2e9703685d579575ec73f0e646c7dc89f9dc1bef629a270cd8c22dbf83", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.3 [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 v5.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.49s [INFO] running `Command { std: "docker" "inspect" "76e8bb2e9703685d579575ec73f0e646c7dc89f9dc1bef629a270cd8c22dbf83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76e8bb2e9703685d579575ec73f0e646c7dc89f9dc1bef629a270cd8c22dbf83", kill_on_drop: false }` [INFO] [stdout] 76e8bb2e9703685d579575ec73f0e646c7dc89f9dc1bef629a270cd8c22dbf83 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6057e202a687310f84896a6076fab888ce2ecac4a955009a7c42cac07d312549 [INFO] running `Command { std: "docker" "start" "-a" "6057e202a687310f84896a6076fab888ce2ecac4a955009a7c42cac07d312549", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-46e7e3d18fbcdc6f) [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: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: 0x55febacec2c6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x55febacec2c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55febacec2c6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55febacec2c6 - ::fmt::h736f584a9f3f7d78 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55febad13d4c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x55febad13d4c - core::fmt::write::h57172937379ae112 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x55febace9adf - std::io::Write::write_fmt::h48e0063b56f825c3 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15 [INFO] [stdout] 7: 0x55febacec074 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55febacec074 - std::sys_common::backtrace::print::h97bc00c4f471ee58 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55febacedd6b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef [INFO] [stdout] 10: 0x55febaceda3d - std::panicking::default_hook::hee79edbbfe503541 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x55febab7edc7 - as core::ops::function::Fn>::call::hbce7bcf7a5291663 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 12: 0x55febab7edc7 - test::test_main::{{closure}}::hbf7bf4b112234627 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x55febacee3a0 - as core::ops::function::Fn>::call::h283d0ebbebe64c72 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 14: 0x55febacee3a0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13 [INFO] [stdout] 15: 0x55febacee0e2 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:660:13 [INFO] [stdout] 16: 0x55febacec7a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55febacede14 - rust_begin_unwind [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5 [INFO] [stdout] 18: 0x55febab38e55 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55febab39433 - core::result::unwrap_failed::h797e1b8c8b568bfb [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/result.rs:1653:5 [INFO] [stdout] 20: 0x55febab4106b - core::result::Result::unwrap::hd50893b0068ab1f0 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x55febab441c1 - rustlings::exercise::test::test_clean::h54436e89b26db9a5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:9 [INFO] [stdout] 22: 0x55febab44147 - rustlings::exercise::test::test_clean::{{closure}}::h7f9e62f37b9c0be9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:268:20 [INFO] [stdout] 23: 0x55febab3a796 - core::ops::function::FnOnce::call_once::h5f3f76acfd6f82c5 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55febab845cf - core::ops::function::FnOnce::call_once::h263d60e66e97ae21 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55febab845cf - test::__rust_begin_short_backtrace::hfd27401b46e2c35b [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18 [INFO] [stdout] 26: 0x55febab83140 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60 [INFO] [stdout] 27: 0x55febab83140 - as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x55febab83140 - std::panicking::try::do_call::he863b9ffdd9dccd8 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40 [INFO] [stdout] 29: 0x55febab83140 - std::panicking::try::h00518ddc92157d69 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19 [INFO] [stdout] 30: 0x55febab83140 - std::panic::catch_unwind::ha54d881a3136a844 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55febab83140 - test::run_test_in_process::he6969e4cdcd00ab9 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27 [INFO] [stdout] 32: 0x55febab83140 - test::run_test::{{closure}}::ha7bd2350e4208460 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43 [INFO] [stdout] 33: 0x55febab4b4d3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41 [INFO] [stdout] 34: 0x55febab4b4d3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x55febab5016f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17 [INFO] [stdout] 36: 0x55febab5016f - as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x55febab5016f - std::panicking::try::do_call::h088487cc7181ed41 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40 [INFO] [stdout] 38: 0x55febab5016f - std::panicking::try::hbe658ba86d10aeac [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19 [INFO] [stdout] 39: 0x55febab5016f - std::panic::catch_unwind::hbcfe75becdd3312a [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55febab5016f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30 [INFO] [stdout] 41: 0x55febab5016f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55febacf27d5 - as core::ops::function::FnOnce>::call_once::h7b00d7973698e306 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 43: 0x55febacf27d5 - as core::ops::function::FnOnce>::call_once::ha210a4482bc8347c [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 44: 0x55febacf27d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7fea26652ac3 - [INFO] [stdout] 46: 0x7fea266e3bf4 - __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: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/./rmetazalOgS\"\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: 0x55febacec2c6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x55febacec2c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55febacec2c6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55febacec2c6 - ::fmt::h736f584a9f3f7d78 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55febad13d4c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x55febad13d4c - core::fmt::write::h57172937379ae112 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x55febace9adf - std::io::Write::write_fmt::h48e0063b56f825c3 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15 [INFO] [stdout] 7: 0x55febacec074 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55febacec074 - std::sys_common::backtrace::print::h97bc00c4f471ee58 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55febacedd6b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef [INFO] [stdout] 10: 0x55febaceda3d - std::panicking::default_hook::hee79edbbfe503541 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x55febab7edc7 - as core::ops::function::Fn>::call::hbce7bcf7a5291663 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 12: 0x55febab7edc7 - test::test_main::{{closure}}::hbf7bf4b112234627 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x55febacee3a0 - as core::ops::function::Fn>::call::h283d0ebbebe64c72 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 14: 0x55febacee3a0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13 [INFO] [stdout] 15: 0x55febacee0e2 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:660:13 [INFO] [stdout] 16: 0x55febacec7a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55febacede14 - rust_begin_unwind [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5 [INFO] [stdout] 18: 0x55febab38e55 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55febab39433 - core::result::unwrap_failed::h797e1b8c8b568bfb [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/result.rs:1653:5 [INFO] [stdout] 20: 0x55febab40fd1 - core::result::Result::unwrap::hbe54f60f51aaf584 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/result.rs:1077:23 [INFO] [stdout] 21: 0x55febab44eb3 - rustlings::exercise::test::test_exercise_with_output::h4099e7b20d8a22dc [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:342:19 [INFO] [stdout] 22: 0x55febab44d47 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h224a39398c7a245b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:335:35 [INFO] [stdout] 23: 0x55febab3a886 - core::ops::function::FnOnce::call_once::hf1775905c28f2321 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55febab845cf - core::ops::function::FnOnce::call_once::h263d60e66e97ae21 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55febab845cf - test::__rust_begin_short_backtrace::hfd27401b46e2c35b [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18 [INFO] [stdout] 26: 0x55febab83140 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60 [INFO] [stdout] 27: 0x55febab83140 - as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x55febab83140 - std::panicking::try::do_call::he863b9ffdd9dccd8 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40 [INFO] [stdout] 29: 0x55febab83140 - std::panicking::try::h00518ddc92157d69 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19 [INFO] [stdout] 30: 0x55febab83140 - std::panic::catch_unwind::ha54d881a3136a844 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55febab83140 - test::run_test_in_process::he6969e4cdcd00ab9 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27 [INFO] [stdout] 32: 0x55febab83140 - test::run_test::{{closure}}::ha7bd2350e4208460 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43 [INFO] [stdout] 33: 0x55febab4b4d3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41 [INFO] [stdout] 34: 0x55febab4b4d3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x55febab5016f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17 [INFO] [stdout] 36: 0x55febab5016f - as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x55febab5016f - std::panicking::try::do_call::h088487cc7181ed41 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40 [INFO] [stdout] 38: 0x55febab5016f - std::panicking::try::hbe658ba86d10aeac [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19 [INFO] [stdout] 39: 0x55febab5016f - std::panic::catch_unwind::hbcfe75becdd3312a [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55febab5016f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30 [INFO] [stdout] 41: 0x55febab5016f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55febacf27d5 - as core::ops::function::FnOnce>::call_once::h7b00d7973698e306 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 43: 0x55febacf27d5 - as core::ops::function::FnOnce>::call_once::ha210a4482bc8347c [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 44: 0x55febacf27d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99 [INFO] [stdout] at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7fea26652ac3 - [INFO] [stdout] 46: 0x7fea266e3bf4 - __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 0.03s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "6057e202a687310f84896a6076fab888ce2ecac4a955009a7c42cac07d312549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6057e202a687310f84896a6076fab888ce2ecac4a955009a7c42cac07d312549", kill_on_drop: false }` [INFO] [stdout] 6057e202a687310f84896a6076fab888ce2ecac4a955009a7c42cac07d312549