[INFO] cloning repository https://github.com/ScarboroughCoral/my-rustlings-solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ScarboroughCoral/my-rustlings-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScarboroughCoral%2Fmy-rustlings-solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScarboroughCoral%2Fmy-rustlings-solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80dbffb68b1499dd685f91829c00e03e2e9bac02 [INFO] testing ScarboroughCoral/my-rustlings-solution against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScarboroughCoral%2Fmy-rustlings-solution" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ScarboroughCoral/my-rustlings-solution on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ScarboroughCoral/my-rustlings-solution [INFO] finished tweaking git repo https://github.com/ScarboroughCoral/my-rustlings-solution [INFO] tweaked toml for git repo https://github.com/ScarboroughCoral/my-rustlings-solution written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ScarboroughCoral/my-rustlings-solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da12353149e59e86669f38ea66c47836abeac8107c8d4d409ac8f407cc27c257 [INFO] running `Command { std: "docker" "start" "-a" "da12353149e59e86669f38ea66c47836abeac8107c8d4d409ac8f407cc27c257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da12353149e59e86669f38ea66c47836abeac8107c8d4d409ac8f407cc27c257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da12353149e59e86669f38ea66c47836abeac8107c8d4d409ac8f407cc27c257", kill_on_drop: false }` [INFO] [stdout] da12353149e59e86669f38ea66c47836abeac8107c8d4d409ac8f407cc27c257 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b568e3a5c2ffdc9fd5b76ae2c84084643716e1de0e35b00bb366bc5d88838a4 [INFO] running `Command { std: "docker" "start" "-a" "5b568e3a5c2ffdc9fd5b76ae2c84084643716e1de0e35b00bb366bc5d88838a4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling console v0.8.0 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.56s [INFO] running `Command { std: "docker" "inspect" "5b568e3a5c2ffdc9fd5b76ae2c84084643716e1de0e35b00bb366bc5d88838a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b568e3a5c2ffdc9fd5b76ae2c84084643716e1de0e35b00bb366bc5d88838a4", kill_on_drop: false }` [INFO] [stdout] 5b568e3a5c2ffdc9fd5b76ae2c84084643716e1de0e35b00bb366bc5d88838a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80d8ed2da4e19bac2597c3966c4001065dc68b82daf66aa161695b1bb8168306 [INFO] running `Command { std: "docker" "start" "-a" "80d8ed2da4e19bac2597c3966c4001065dc68b82daf66aa161695b1bb8168306", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.93s [INFO] running `Command { std: "docker" "inspect" "80d8ed2da4e19bac2597c3966c4001065dc68b82daf66aa161695b1bb8168306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80d8ed2da4e19bac2597c3966c4001065dc68b82daf66aa161695b1bb8168306", kill_on_drop: false }` [INFO] [stdout] 80d8ed2da4e19bac2597c3966c4001065dc68b82daf66aa161695b1bb8168306 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d3d0520f547ee3796d13b17e09d5c8eb41ce42e73001948ce9fca9317c68a2a1 [INFO] running `Command { std: "docker" "start" "-a" "d3d0520f547ee3796d13b17e09d5c8eb41ce42e73001948ce9fca9317c68a2a1", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-fcb9bfb5e1d255de) [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 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/exercise.rs:255:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c844297e20 - std::backtrace_rs::backtrace::libunwind::trace::h552106febb15e17e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55c844297e20 - std::backtrace_rs::backtrace::trace_unsynchronized::hf7774f161cb6a040 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c844297e20 - std::sys_common::backtrace::_print_fmt::h0c305f5052d81630 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55c844297e20 - ::fmt::h64b3e0a8deb0a611 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55c8442bacac - core::fmt::write::h8f671d0f7992fdc6 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x55c844294825 - std::io::Write::write_fmt::hd208f914b48a2290 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x55c844299861 - std::sys_common::backtrace::_print::h9fa97aca0ed3f804 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55c844299861 - std::sys_common::backtrace::print::haab86c3a36d9a53e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55c844299861 - std::panicking::default_hook::{{closure}}::h97ac82ba40b3820b [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55c8442994b6 - std::panicking::default_hook::h3a2e40383cd02365 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55c844299f03 - std::panicking::rust_panic_with_hook::h91242c0d4adecfe2 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55c844299df7 - std::panicking::begin_panic_handler::{{closure}}::h627cf56a9a0a9517 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55c8442982f4 - std::sys_common::backtrace::__rust_end_short_backtrace::hf13451d299824903 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55c844299b22 - rust_begin_unwind [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55c8440c0283 - core::panicking::panic_fmt::ha6799a5d9621aa13 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55c8440c0373 - core::result::unwrap_failed::h1269578c25bb65c7 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/result.rs:1805:5 [INFO] [stdout] 16: 0x55c8440c7670 - core::result::Result::unwrap::he92ca1f3ca51ab71 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/result.rs:1098:23 [INFO] [stdout] 17: 0x55c8440c4c99 - rustlings::exercise::test::test_clean::h5a481ecbd286fc98 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:255:9 [INFO] [stdout] 18: 0x55c8440c4c2a - rustlings::exercise::test::test_clean::{{closure}}::h4715c80a18bce27d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:254:5 [INFO] [stdout] 19: 0x55c8440c2d8e - core::ops::function::FnOnce::call_once::hdec15305fafc0813 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55c8441043c3 - core::ops::function::FnOnce::call_once::h0f9e5c16f2fad3fe [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55c8441043c3 - test::__rust_begin_short_backtrace::h6b395b12fb47e0c7 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x55c84410315c - as core::ops::function::FnOnce>::call_once::h116a04ad1adfbba8 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 23: 0x55c84410315c - as core::ops::function::FnOnce<()>>::call_once::h237703400c3f95d2 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55c84410315c - std::panicking::try::do_call::hb6f7087c5161b13a [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55c84410315c - std::panicking::try::h40eb70910e5ec9fc [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55c84410315c - std::panic::catch_unwind::h9011aaff4baefe1e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55c84410315c - test::run_test_in_process::haab9d5dbf92a97fd [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x55c84410315c - test::run_test::run_test_inner::{{closure}}::h431ff305408eb101 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x55c8440ced9c - test::run_test::run_test_inner::{{closure}}::h1761b84f3aff0780 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x55c8440ced9c - std::sys_common::backtrace::__rust_begin_short_backtrace::heac1883bddbbfcd9 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55c8440d4daf - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h509e89854d46123e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/thread/mod.rs:505:17 [INFO] [stdout] 32: 0x55c8440d4daf - as core::ops::function::FnOnce<()>>::call_once::h1b05c47dc35673b3 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55c8440d4daf - std::panicking::try::do_call::hd58695587ce4c228 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55c8440d4daf - std::panicking::try::hc017871f7aa94d61 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55c8440d4daf - std::panic::catch_unwind::h38b4473a1f81bb80 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55c8440d4daf - std::thread::Builder::spawn_unchecked_::{{closure}}::h361d7687a745025a [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/thread/mod.rs:504:30 [INFO] [stdout] 37: 0x55c8440d4daf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h647e812f95f891a3 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55c84429e653 - as core::ops::function::FnOnce>::call_once::hd2e3a9e0ae7d8026 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 39: 0x55c84429e653 - as core::ops::function::FnOnce>::call_once::h4798a92ee79456cc [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 40: 0x55c84429e653 - std::sys::unix::thread::Thread::new::thread_start::h9be4f412ada0f0f9 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f9e1aa74609 - start_thread [INFO] [stdout] 42: 0x7f9e1abc9133 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at '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: could not write output to ./temp_8_ThreadId3.1lvnqdupiqf4pcxm.rcgu.o: Read-only file system\u{1b}[0m\n\n\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: aborting due to previous error\u{1b}[0m\n\n" }', src/exercise.rs:328:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c844297e20 - std::backtrace_rs::backtrace::libunwind::trace::h552106febb15e17e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55c844297e20 - std::backtrace_rs::backtrace::trace_unsynchronized::hf7774f161cb6a040 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c844297e20 - std::sys_common::backtrace::_print_fmt::h0c305f5052d81630 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55c844297e20 - ::fmt::h64b3e0a8deb0a611 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55c8442bacac - core::fmt::write::h8f671d0f7992fdc6 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x55c844294825 - std::io::Write::write_fmt::hd208f914b48a2290 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x55c844299861 - std::sys_common::backtrace::_print::h9fa97aca0ed3f804 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55c844299861 - std::sys_common::backtrace::print::haab86c3a36d9a53e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55c844299861 - std::panicking::default_hook::{{closure}}::h97ac82ba40b3820b [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55c8442994b6 - std::panicking::default_hook::h3a2e40383cd02365 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55c844299f03 - std::panicking::rust_panic_with_hook::h91242c0d4adecfe2 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55c844299df7 - std::panicking::begin_panic_handler::{{closure}}::h627cf56a9a0a9517 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55c8442982f4 - std::sys_common::backtrace::__rust_end_short_backtrace::hf13451d299824903 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55c844299b22 - rust_begin_unwind [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55c8440c0283 - core::panicking::panic_fmt::ha6799a5d9621aa13 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55c8440c0373 - core::result::unwrap_failed::h1269578c25bb65c7 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/result.rs:1805:5 [INFO] [stdout] 16: 0x55c8440c7502 - core::result::Result::unwrap::h5006f35f1f94bff6 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/result.rs:1098:23 [INFO] [stdout] 17: 0x55c8440c58fc - rustlings::exercise::test::test_exercise_with_output::hbc876a9017d0783f [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:328:19 [INFO] [stdout] 18: 0x55c8440c578a - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h9db11761da9f46d6 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:321:5 [INFO] [stdout] 19: 0x55c8440c2cae - core::ops::function::FnOnce::call_once::h32dedd84da8ddc2d [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55c8441043c3 - core::ops::function::FnOnce::call_once::h0f9e5c16f2fad3fe [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55c8441043c3 - test::__rust_begin_short_backtrace::h6b395b12fb47e0c7 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x55c84410315c - as core::ops::function::FnOnce>::call_once::h116a04ad1adfbba8 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 23: 0x55c84410315c - as core::ops::function::FnOnce<()>>::call_once::h237703400c3f95d2 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55c84410315c - std::panicking::try::do_call::hb6f7087c5161b13a [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55c84410315c - std::panicking::try::h40eb70910e5ec9fc [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55c84410315c - std::panic::catch_unwind::h9011aaff4baefe1e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55c84410315c - test::run_test_in_process::haab9d5dbf92a97fd [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x55c84410315c - test::run_test::run_test_inner::{{closure}}::h431ff305408eb101 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x55c8440ced9c - test::run_test::run_test_inner::{{closure}}::h1761b84f3aff0780 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x55c8440ced9c - std::sys_common::backtrace::__rust_begin_short_backtrace::heac1883bddbbfcd9 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55c8440d4daf - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h509e89854d46123e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/thread/mod.rs:505:17 [INFO] [stdout] 32: 0x55c8440d4daf - as core::ops::function::FnOnce<()>>::call_once::h1b05c47dc35673b3 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55c8440d4daf - std::panicking::try::do_call::hd58695587ce4c228 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55c8440d4daf - std::panicking::try::hc017871f7aa94d61 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55c8440d4daf - std::panic::catch_unwind::h38b4473a1f81bb80 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55c8440d4daf - std::thread::Builder::spawn_unchecked_::{{closure}}::h361d7687a745025a [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/thread/mod.rs:504:30 [INFO] [stdout] 37: 0x55c8440d4daf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h647e812f95f891a3 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55c84429e653 - as core::ops::function::FnOnce>::call_once::hd2e3a9e0ae7d8026 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 39: 0x55c84429e653 - as core::ops::function::FnOnce>::call_once::h4798a92ee79456cc [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 40: 0x55c84429e653 - std::sys::unix::thread::Thread::new::thread_start::h9be4f412ada0f0f9 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f9e1aa74609 - start_thread [INFO] [stdout] 42: 0x7f9e1abc9133 - clone [INFO] [stdout] 43: 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" "d3d0520f547ee3796d13b17e09d5c8eb41ce42e73001948ce9fca9317c68a2a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3d0520f547ee3796d13b17e09d5c8eb41ce42e73001948ce9fca9317c68a2a1", kill_on_drop: false }` [INFO] [stdout] d3d0520f547ee3796d13b17e09d5c8eb41ce42e73001948ce9fca9317c68a2a1