[INFO] cloning repository https://github.com/dan-j-cooper/rustlings-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dan-j-cooper/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdan-j-cooper%2Frustlings-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdan-j-cooper%2Frustlings-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 107a1dd2e03c87357a804a07ab7f8a212a79509c [INFO] testing dan-j-cooper/rustlings-solutions against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdan-j-cooper%2Frustlings-solutions" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dan-j-cooper/rustlings-solutions on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dan-j-cooper/rustlings-solutions [INFO] finished tweaking git repo https://github.com/dan-j-cooper/rustlings-solutions [INFO] tweaked toml for git repo https://github.com/dan-j-cooper/rustlings-solutions written to /workspace/builds/worker-37/source/Cargo.toml [INFO] crate git repo https://github.com/dan-j-cooper/rustlings-solutions already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65dd94a7a7446b98bfc565658f4ad64e0cf9ae792615b039eec8a8f30efef04e [INFO] running `Command { std: "docker" "start" "-a" "65dd94a7a7446b98bfc565658f4ad64e0cf9ae792615b039eec8a8f30efef04e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65dd94a7a7446b98bfc565658f4ad64e0cf9ae792615b039eec8a8f30efef04e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65dd94a7a7446b98bfc565658f4ad64e0cf9ae792615b039eec8a8f30efef04e", kill_on_drop: false }` [INFO] [stdout] 65dd94a7a7446b98bfc565658f4ad64e0cf9ae792615b039eec8a8f30efef04e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 641ddec191b3f5b0e4f47608b3cde4bba5b580b3b209d5b0941a1fcd35cfcfbf [INFO] running `Command { std: "docker" "start" "-a" "641ddec191b3f5b0e4f47608b3cde4bba5b580b3b209d5b0941a1fcd35cfcfbf", 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 unicode-xid v0.1.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [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 aho-corasick v0.7.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling console v0.8.0 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling rustlings v4.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "641ddec191b3f5b0e4f47608b3cde4bba5b580b3b209d5b0941a1fcd35cfcfbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "641ddec191b3f5b0e4f47608b3cde4bba5b580b3b209d5b0941a1fcd35cfcfbf", kill_on_drop: false }` [INFO] [stdout] 641ddec191b3f5b0e4f47608b3cde4bba5b580b3b209d5b0941a1fcd35cfcfbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8836d0888d1cec5f51048de20493f6f80404df971be1c4a245d34d6d2f458f43 [INFO] running `Command { std: "docker" "start" "-a" "8836d0888d1cec5f51048de20493f6f80404df971be1c4a245d34d6d2f458f43", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 normalize-line-endings v0.2.2 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [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 v4.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 30.48s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-4cd3d4ef980ee747) [INFO] [stderr] Executable tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-a137819360b20a5d) [INFO] running `Command { std: "docker" "inspect" "8836d0888d1cec5f51048de20493f6f80404df971be1c4a245d34d6d2f458f43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8836d0888d1cec5f51048de20493f6f80404df971be1c4a245d34d6d2f458f43", kill_on_drop: false }` [INFO] [stdout] 8836d0888d1cec5f51048de20493f6f80404df971be1c4a245d34d6d2f458f43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 511edeb658d0711e574f945b340ca3181dd59445ca302df9bbaee3667f8a356b [INFO] running `Command { std: "docker" "start" "-a" "511edeb658d0711e574f945b340ca3181dd59445ca302df9bbaee3667f8a356b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-4cd3d4ef980ee747) [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: 0x55ed7124d470 - std::backtrace_rs::backtrace::libunwind::trace::h2c3bc9c840656a34 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55ed7124d470 - std::backtrace_rs::backtrace::trace_unsynchronized::h0a70f522b5a3463e [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ed7124d470 - std::sys_common::backtrace::_print_fmt::he249a79bec407477 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55ed7124d470 - ::fmt::ha9d1970820f5c713 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55ed712704bc - core::fmt::write::hc4fc655621d59c6c [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x55ed71249e75 - std::io::Write::write_fmt::h766156bfd5935712 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x55ed7124eee1 - std::sys_common::backtrace::_print::hfbedb7d14540afb9 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55ed7124eee1 - std::sys_common::backtrace::print::h1d12b345ae925adb [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55ed7124eee1 - std::panicking::default_hook::{{closure}}::hbfa91b7f831744dd [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55ed7124eb38 - std::panicking::default_hook::h5186cc1a78166015 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55ed7124f5ad - std::panicking::rust_panic_with_hook::h1b346e6d62a347dd [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55ed7124f477 - std::panicking::begin_panic_handler::{{closure}}::hc131d07490c3ebd7 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55ed7124d944 - std::sys_common::backtrace::__rust_end_short_backtrace::hd18b4525708c825e [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55ed7124f1a2 - rust_begin_unwind [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55ed710732b3 - core::panicking::panic_fmt::h2bdc1e1473e094d6 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55ed710733a3 - core::result::unwrap_failed::h78dab976b32b845a [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x55ed71079070 - core::result::Result::unwrap::hc3c17e345a2a1791 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x55ed71077129 - rustlings::exercise::test::test_clean::haba7cae80e43fa28 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:255:9 [INFO] [stdout] 18: 0x55ed710770ba - rustlings::exercise::test::test_clean::{{closure}}::h6aa2ca2602d6b278 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:254:5 [INFO] [stdout] 19: 0x55ed7108053e - core::ops::function::FnOnce::call_once::hfae39f0a4e679ee1 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55ed710b9fb3 - core::ops::function::FnOnce::call_once::hfa464e74fccacfdb [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55ed710b9fb3 - test::__rust_begin_short_backtrace::h2b9d08a5d60802a7 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:573:5 [INFO] [stdout] 22: 0x55ed710b8d0d - as core::ops::function::FnOnce>::call_once::h11665ca350597984 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 23: 0x55ed710b8d0d - as core::ops::function::FnOnce<()>>::call_once::h1dd74fd619996a6d [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55ed710b8d0d - std::panicking::try::do_call::h545949b41f3cafdf [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55ed710b8d0d - std::panicking::try::h8a4eee9e99747cca [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55ed710b8d0d - std::panic::catch_unwind::h7a2d4c4bb98e2a33 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55ed710b8d0d - test::run_test_in_process::h43cdbd88d3031d2d [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:596:18 [INFO] [stdout] 28: 0x55ed710b8d0d - test::run_test::run_test_inner::{{closure}}::h7a35ff2a2ef1be40 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:490:39 [INFO] [stdout] 29: 0x55ed71084b6c - test::run_test::run_test_inner::{{closure}}::h99fa578161f25342 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:517:37 [INFO] [stdout] 30: 0x55ed71084b6c - std::sys_common::backtrace::__rust_begin_short_backtrace::h51d96e3583c91997 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55ed7108ad1f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h901e06481c3928e8 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/thread/mod.rs:500:17 [INFO] [stdout] 32: 0x55ed7108ad1f - as core::ops::function::FnOnce<()>>::call_once::h2ab169c9508acc57 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55ed7108ad1f - std::panicking::try::do_call::hf0f60551a514f390 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55ed7108ad1f - std::panicking::try::h50e945932a8cf417 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55ed7108ad1f - std::panic::catch_unwind::hfd1bd35215287444 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55ed7108ad1f - std::thread::Builder::spawn_unchecked_::{{closure}}::h79c8bb59e9e6d53e [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/thread/mod.rs:499:30 [INFO] [stdout] 37: 0x55ed7108ad1f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc427cbf183995ee4 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55ed71253cc3 - as core::ops::function::FnOnce>::call_once::h03e1f93a163dfab7 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 39: 0x55ed71253cc3 - as core::ops::function::FnOnce>::call_once::h498bd6c4b6ddeafc [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 40: 0x55ed71253cc3 - std::sys::unix::thread::Thread::new::thread_start::h36a191afeb7eed3f [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fc7ec031609 - start_thread [INFO] [stdout] 42: 0x7fc7ec186163 - 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_ThreadId3.1wrclie0kny5rtv8.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: 0x55ed7124d470 - std::backtrace_rs::backtrace::libunwind::trace::h2c3bc9c840656a34 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55ed7124d470 - std::backtrace_rs::backtrace::trace_unsynchronized::h0a70f522b5a3463e [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ed7124d470 - std::sys_common::backtrace::_print_fmt::he249a79bec407477 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55ed7124d470 - ::fmt::ha9d1970820f5c713 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55ed712704bc - core::fmt::write::hc4fc655621d59c6c [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x55ed71249e75 - std::io::Write::write_fmt::h766156bfd5935712 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x55ed7124eee1 - std::sys_common::backtrace::_print::hfbedb7d14540afb9 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55ed7124eee1 - std::sys_common::backtrace::print::h1d12b345ae925adb [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55ed7124eee1 - std::panicking::default_hook::{{closure}}::hbfa91b7f831744dd [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55ed7124eb38 - std::panicking::default_hook::h5186cc1a78166015 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55ed7124f5ad - std::panicking::rust_panic_with_hook::h1b346e6d62a347dd [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55ed7124f477 - std::panicking::begin_panic_handler::{{closure}}::hc131d07490c3ebd7 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55ed7124d944 - std::sys_common::backtrace::__rust_end_short_backtrace::hd18b4525708c825e [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55ed7124f1a2 - rust_begin_unwind [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55ed710732b3 - core::panicking::panic_fmt::h2bdc1e1473e094d6 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55ed710733a3 - core::result::unwrap_failed::h78dab976b32b845a [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x55ed71078f02 - core::result::Result::unwrap::h39cace01687503c5 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x55ed71077d8c - rustlings::exercise::test::test_exercise_with_output::hf30e955ebfe51121 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:328:19 [INFO] [stdout] 18: 0x55ed71077c1a - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h339347417b325f47 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:321:5 [INFO] [stdout] 19: 0x55ed7108048e - core::ops::function::FnOnce::call_once::h80157a409e1d1dd5 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55ed710b9fb3 - core::ops::function::FnOnce::call_once::hfa464e74fccacfdb [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55ed710b9fb3 - test::__rust_begin_short_backtrace::h2b9d08a5d60802a7 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:573:5 [INFO] [stdout] 22: 0x55ed710b8d0d - as core::ops::function::FnOnce>::call_once::h11665ca350597984 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 23: 0x55ed710b8d0d - as core::ops::function::FnOnce<()>>::call_once::h1dd74fd619996a6d [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55ed710b8d0d - std::panicking::try::do_call::h545949b41f3cafdf [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55ed710b8d0d - std::panicking::try::h8a4eee9e99747cca [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55ed710b8d0d - std::panic::catch_unwind::h7a2d4c4bb98e2a33 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55ed710b8d0d - test::run_test_in_process::h43cdbd88d3031d2d [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:596:18 [INFO] [stdout] 28: 0x55ed710b8d0d - test::run_test::run_test_inner::{{closure}}::h7a35ff2a2ef1be40 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:490:39 [INFO] [stdout] 29: 0x55ed71084b6c - test::run_test::run_test_inner::{{closure}}::h99fa578161f25342 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/test/src/lib.rs:517:37 [INFO] [stdout] 30: 0x55ed71084b6c - std::sys_common::backtrace::__rust_begin_short_backtrace::h51d96e3583c91997 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55ed7108ad1f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h901e06481c3928e8 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/thread/mod.rs:500:17 [INFO] [stdout] 32: 0x55ed7108ad1f - as core::ops::function::FnOnce<()>>::call_once::h2ab169c9508acc57 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55ed7108ad1f - std::panicking::try::do_call::hf0f60551a514f390 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55ed7108ad1f - std::panicking::try::h50e945932a8cf417 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55ed7108ad1f - std::panic::catch_unwind::hfd1bd35215287444 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55ed7108ad1f - std::thread::Builder::spawn_unchecked_::{{closure}}::h79c8bb59e9e6d53e [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/thread/mod.rs:499:30 [INFO] [stdout] 37: 0x55ed7108ad1f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc427cbf183995ee4 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55ed71253cc3 - as core::ops::function::FnOnce>::call_once::h03e1f93a163dfab7 [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 39: 0x55ed71253cc3 - as core::ops::function::FnOnce>::call_once::h498bd6c4b6ddeafc [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 40: 0x55ed71253cc3 - std::sys::unix::thread::Thread::new::thread_start::h36a191afeb7eed3f [INFO] [stdout] at /rustc/c3758fdc4730d7700b25a13cccff296a08f42c00/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fc7ec031609 - start_thread [INFO] [stdout] 42: 0x7fc7ec186163 - 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 0.17s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] running `Command { std: "docker" "inspect" "511edeb658d0711e574f945b340ca3181dd59445ca302df9bbaee3667f8a356b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511edeb658d0711e574f945b340ca3181dd59445ca302df9bbaee3667f8a356b", kill_on_drop: false }` [INFO] [stdout] 511edeb658d0711e574f945b340ca3181dd59445ca302df9bbaee3667f8a356b