[INFO] cloning repository https://github.com/JeromeTroy/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/JeromeTroy/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeromeTroy%2Frustlings-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeromeTroy%2Frustlings-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7cd635fa847d33716a735ac1673287db54b6c842 [INFO] testing JeromeTroy/rustlings-solutions against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeromeTroy%2Frustlings-solutions" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JeromeTroy/rustlings-solutions on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JeromeTroy/rustlings-solutions [INFO] finished tweaking git repo https://github.com/JeromeTroy/rustlings-solutions [INFO] tweaked toml for git repo https://github.com/JeromeTroy/rustlings-solutions written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate git repo https://github.com/JeromeTroy/rustlings-solutions already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded argh_shared v0.1.4 [INFO] [stderr] Downloaded argh_derive v0.1.4 [INFO] [stderr] Downloaded argh v0.1.4 [INFO] [stderr] Downloaded console v0.14.1 [INFO] [stderr] Downloaded termios v0.3.3 [INFO] [stderr] Downloaded predicates v1.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef0b5b15e78a725185e88e2c20d05c8d9a709f3cafe23db535cd60571e7e0e26 [INFO] running `Command { std: "docker" "start" "-a" "ef0b5b15e78a725185e88e2c20d05c8d9a709f3cafe23db535cd60571e7e0e26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef0b5b15e78a725185e88e2c20d05c8d9a709f3cafe23db535cd60571e7e0e26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef0b5b15e78a725185e88e2c20d05c8d9a709f3cafe23db535cd60571e7e0e26", kill_on_drop: false }` [INFO] [stdout] ef0b5b15e78a725185e88e2c20d05c8d9a709f3cafe23db535cd60571e7e0e26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77334f76ea0326bec1e838a526fe3e125a7d037d40b58f687d74c47f6f4c2b1f [INFO] running `Command { std: "docker" "start" "-a" "77334f76ea0326bec1e838a526fe3e125a7d037d40b58f687d74c47f6f4c2b1f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.16 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 49s [INFO] running `Command { std: "docker" "inspect" "77334f76ea0326bec1e838a526fe3e125a7d037d40b58f687d74c47f6f4c2b1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77334f76ea0326bec1e838a526fe3e125a7d037d40b58f687d74c47f6f4c2b1f", kill_on_drop: false }` [INFO] [stdout] 77334f76ea0326bec1e838a526fe3e125a7d037d40b58f687d74c47f6f4c2b1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efbc892cbad14152eb4cdc7e59664bba0c190e918806ed5dfcf3f2b305cbd44e [INFO] running `Command { std: "docker" "start" "-a" "efbc892cbad14152eb4cdc7e59664bba0c190e918806ed5dfcf3f2b305cbd44e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.7 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 21.34s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-22dcd59520dbd107) [INFO] [stderr] Executable tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-cc9c19fc812f713f) [INFO] running `Command { std: "docker" "inspect" "efbc892cbad14152eb4cdc7e59664bba0c190e918806ed5dfcf3f2b305cbd44e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efbc892cbad14152eb4cdc7e59664bba0c190e918806ed5dfcf3f2b305cbd44e", kill_on_drop: false }` [INFO] [stdout] efbc892cbad14152eb4cdc7e59664bba0c190e918806ed5dfcf3f2b305cbd44e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a4140ff6c91c47513a11c9f5cc7c8150a08fb5575ecdc93ebf0e4264f537459 [INFO] running `Command { std: "docker" "start" "-a" "2a4140ff6c91c47513a11c9f5cc7c8150a08fb5575ecdc93ebf0e4264f537459", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.46s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-22dcd59520dbd107) [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:270:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5623280b3d4d - std::backtrace_rs::backtrace::libunwind::trace::h78ac1a8162560622 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5623280b3d4d - std::backtrace_rs::backtrace::trace_unsynchronized::h524b37108170e058 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5623280b3d4d - std::sys_common::backtrace::_print_fmt::h6fc64e306477b488 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x5623280b3d4d - ::fmt::hebf1189a5210d658 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x5623280d698c - core::fmt::write::h2ee1c47f226b9713 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x5623280b0831 - std::io::Write::write_fmt::hfdd07f3252777e56 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x5623280b5825 - std::sys_common::backtrace::_print::h4cf4c3a5df78aa1b [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x5623280b5825 - std::sys_common::backtrace::print::h563fffe6d3b49d9c [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x5623280b5825 - std::panicking::default_hook::{{closure}}::h011bf968a019e6ec [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5623280b54d0 - std::panicking::default_hook::hc87bc2048234ee21 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x5623280b5df8 - std::panicking::rust_panic_with_hook::h51069032b7e7ea9f [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x5623280b5ca7 - std::panicking::begin_panic_handler::{{closure}}::hd6f7b981150e82ee [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x5623280b4204 - std::sys_common::backtrace::__rust_end_short_backtrace::h4e1327824e6ec426 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x5623280b59d9 - rust_begin_unwind [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x562327ebcb73 - core::panicking::panic_fmt::hab126d972b27847d [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x562327ebcc63 - core::result::unwrap_failed::h505ff7a85329e288 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x562327ec6d50 - core::result::Result::unwrap::h15b69e6a00bc1602 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x562327ecabe9 - rustlings::exercise::test::test_clean::h222616eae642458e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 18: 0x562327ecab7a - rustlings::exercise::test::test_clean::{{closure}}::haf904c7046a90a63 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:5 [INFO] [stdout] 19: 0x562327ec89be - core::ops::function::FnOnce::call_once::hbb33a4c192a591f2 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x562327f04883 - core::ops::function::FnOnce::call_once::hb5269c40ea602927 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x562327f04883 - test::__rust_begin_short_backtrace::h39a42cc37c7f7ed5 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:573:5 [INFO] [stdout] 22: 0x562327f0363a - as core::ops::function::FnOnce>::call_once::h00241665904b35f8 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 23: 0x562327f0363a - as core::ops::function::FnOnce<()>>::call_once::he7accf8d0443853e [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x562327f0363a - std::panicking::try::do_call::h8cda4fd0453ea304 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x562327f0363a - std::panicking::try::heb9894546bccbe80 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x562327f0363a - std::panic::catch_unwind::hfbd25fb469936dab [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x562327f0363a - test::run_test_in_process::hcffcac4908c29650 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:596:18 [INFO] [stdout] 28: 0x562327f0363a - test::run_test::run_test_inner::{{closure}}::hdd8d05d3b7659acd [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:490:39 [INFO] [stdout] 29: 0x562327ecf8fd - test::run_test::run_test_inner::{{closure}}::h1b7cafce81b35e92 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:517:37 [INFO] [stdout] 30: 0x562327ecf8fd - std::sys_common::backtrace::__rust_begin_short_backtrace::h08b4f3108673434a [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x562327ed5338 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hd589e3bca91eca1f [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x562327ed5338 - as core::ops::function::FnOnce<()>>::call_once::h1d80af9fe40fb31c [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x562327ed5338 - std::panicking::try::do_call::hf7eabf04235f3bb3 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x562327ed5338 - std::panicking::try::h4bdb1612b5a13d83 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x562327ed5338 - std::panic::catch_unwind::h62e1449b19ecdfe5 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x562327ed5338 - std::thread::Builder::spawn_unchecked_::{{closure}}::h10c97d98a69723ec [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x562327ed5338 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0dc62d4cd77dd031 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x5623280ba923 - as core::ops::function::FnOnce>::call_once::h94b91777dd72cf4b [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 39: 0x5623280ba923 - as core::ops::function::FnOnce>::call_once::hc38439f882108053 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 40: 0x5623280ba923 - std::sys::unix::thread::Thread::new::thread_start::haa68127701babb00 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fa1b8d0c609 - start_thread [INFO] [stdout] 42: 0x7fa1b8e61163 - 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_9_ThreadId3.54b1o2bz4hkzhfj4.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:343:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5623280b3d4d - std::backtrace_rs::backtrace::libunwind::trace::h78ac1a8162560622 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5623280b3d4d - std::backtrace_rs::backtrace::trace_unsynchronized::h524b37108170e058 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5623280b3d4d - std::sys_common::backtrace::_print_fmt::h6fc64e306477b488 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x5623280b3d4d - ::fmt::hebf1189a5210d658 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x5623280d698c - core::fmt::write::h2ee1c47f226b9713 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x5623280b0831 - std::io::Write::write_fmt::hfdd07f3252777e56 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x5623280b5825 - std::sys_common::backtrace::_print::h4cf4c3a5df78aa1b [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x5623280b5825 - std::sys_common::backtrace::print::h563fffe6d3b49d9c [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x5623280b5825 - std::panicking::default_hook::{{closure}}::h011bf968a019e6ec [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5623280b54d0 - std::panicking::default_hook::hc87bc2048234ee21 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x5623280b5df8 - std::panicking::rust_panic_with_hook::h51069032b7e7ea9f [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x5623280b5ca7 - std::panicking::begin_panic_handler::{{closure}}::hd6f7b981150e82ee [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x5623280b4204 - std::sys_common::backtrace::__rust_end_short_backtrace::h4e1327824e6ec426 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x5623280b59d9 - rust_begin_unwind [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x562327ebcb73 - core::panicking::panic_fmt::hab126d972b27847d [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x562327ebcc63 - core::result::unwrap_failed::h505ff7a85329e288 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/result.rs:1785:5 [INFO] [stdout] 16: 0x562327ec6ed2 - core::result::Result::unwrap::he13413a591f087fd [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/result.rs:1078:23 [INFO] [stdout] 17: 0x562327ecb84c - rustlings::exercise::test::test_exercise_with_output::hed6f0291f7f288b2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 18: 0x562327ecb6da - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hdbc9668ac72a93ab [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:5 [INFO] [stdout] 19: 0x562327ec89fe - core::ops::function::FnOnce::call_once::hc5ff137e440a6f1d [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x562327f04883 - core::ops::function::FnOnce::call_once::hb5269c40ea602927 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x562327f04883 - test::__rust_begin_short_backtrace::h39a42cc37c7f7ed5 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:573:5 [INFO] [stdout] 22: 0x562327f0363a - as core::ops::function::FnOnce>::call_once::h00241665904b35f8 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 23: 0x562327f0363a - as core::ops::function::FnOnce<()>>::call_once::he7accf8d0443853e [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x562327f0363a - std::panicking::try::do_call::h8cda4fd0453ea304 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x562327f0363a - std::panicking::try::heb9894546bccbe80 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x562327f0363a - std::panic::catch_unwind::hfbd25fb469936dab [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x562327f0363a - test::run_test_in_process::hcffcac4908c29650 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:596:18 [INFO] [stdout] 28: 0x562327f0363a - test::run_test::run_test_inner::{{closure}}::hdd8d05d3b7659acd [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:490:39 [INFO] [stdout] 29: 0x562327ecf8fd - test::run_test::run_test_inner::{{closure}}::h1b7cafce81b35e92 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/test/src/lib.rs:517:37 [INFO] [stdout] 30: 0x562327ecf8fd - std::sys_common::backtrace::__rust_begin_short_backtrace::h08b4f3108673434a [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x562327ed5338 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hd589e3bca91eca1f [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x562327ed5338 - as core::ops::function::FnOnce<()>>::call_once::h1d80af9fe40fb31c [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x562327ed5338 - std::panicking::try::do_call::hf7eabf04235f3bb3 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x562327ed5338 - std::panicking::try::h4bdb1612b5a13d83 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x562327ed5338 - std::panic::catch_unwind::h62e1449b19ecdfe5 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x562327ed5338 - std::thread::Builder::spawn_unchecked_::{{closure}}::h10c97d98a69723ec [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x562327ed5338 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0dc62d4cd77dd031 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x5623280ba923 - as core::ops::function::FnOnce>::call_once::h94b91777dd72cf4b [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 39: 0x5623280ba923 - as core::ops::function::FnOnce>::call_once::hc38439f882108053 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/alloc/src/boxed.rs:1866:9 [INFO] [stdout] 40: 0x5623280ba923 - std::sys::unix::thread::Thread::new::thread_start::haa68127701babb00 [INFO] [stdout] at /rustc/0d13f6afeba4935499abe0c9a07426c94492c94e/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fa1b8d0c609 - start_thread [INFO] [stdout] 42: 0x7fa1b8e61163 - 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 0.16s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] running `Command { std: "docker" "inspect" "2a4140ff6c91c47513a11c9f5cc7c8150a08fb5575ecdc93ebf0e4264f537459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a4140ff6c91c47513a11c9f5cc7c8150a08fb5575ecdc93ebf0e4264f537459", kill_on_drop: false }` [INFO] [stdout] 2a4140ff6c91c47513a11c9f5cc7c8150a08fb5575ecdc93ebf0e4264f537459