[INFO] cloning repository https://github.com/shs613/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/shs613/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshs613%2Frustlings-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshs613%2Frustlings-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ba6e30a359975362e461c7856a47c6f398bd531 [INFO] testing shs613/rustlings-solutions against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshs613%2Frustlings-solutions" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... 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[INFO] validating manifest of git repo https://github.com/shs613/rustlings-solutions on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shs613/rustlings-solutions [INFO] finished tweaking git repo https://github.com/shs613/rustlings-solutions [INFO] tweaked toml for git repo https://github.com/shs613/rustlings-solutions written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/shs613/rustlings-solutions already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ff79d29c18e737edc3453a780bf16bcdaad075caf6d2b94eb2a4a22a59f2ea5 [INFO] running `Command { std: "docker" "start" "-a" "5ff79d29c18e737edc3453a780bf16bcdaad075caf6d2b94eb2a4a22a59f2ea5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ff79d29c18e737edc3453a780bf16bcdaad075caf6d2b94eb2a4a22a59f2ea5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ff79d29c18e737edc3453a780bf16bcdaad075caf6d2b94eb2a4a22a59f2ea5", kill_on_drop: false }` [INFO] [stdout] 5ff79d29c18e737edc3453a780bf16bcdaad075caf6d2b94eb2a4a22a59f2ea5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8533c8a007f1787f17ae21a321541678015e13dd25b41864b229ca5056dd5374 [INFO] running `Command { std: "docker" "start" "-a" "8533c8a007f1787f17ae21a321541678015e13dd25b41864b229ca5056dd5374", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [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 log v0.4.14 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling walkdir v2.3.2 [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 terminal_size v0.1.16 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling regex v1.4.6 [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 indicatif v0.10.3 [INFO] [stderr] Compiling argh_derive v0.1.4 [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 26.50s [INFO] running `Command { std: "docker" "inspect" "8533c8a007f1787f17ae21a321541678015e13dd25b41864b229ca5056dd5374", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8533c8a007f1787f17ae21a321541678015e13dd25b41864b229ca5056dd5374", kill_on_drop: false }` [INFO] [stdout] 8533c8a007f1787f17ae21a321541678015e13dd25b41864b229ca5056dd5374 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a62827a5942ac548c11c23f60bba5bad1a620778d9bffce9285812ccb18e54d [INFO] running `Command { std: "docker" "start" "-a" "1a62827a5942ac548c11c23f60bba5bad1a620778d9bffce9285812ccb18e54d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling predicates v1.0.7 [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 12.62s [INFO] running `Command { std: "docker" "inspect" "1a62827a5942ac548c11c23f60bba5bad1a620778d9bffce9285812ccb18e54d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a62827a5942ac548c11c23f60bba5bad1a620778d9bffce9285812ccb18e54d", kill_on_drop: false }` [INFO] [stdout] 1a62827a5942ac548c11c23f60bba5bad1a620778d9bffce9285812ccb18e54d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 555de1dc5327f31ce3a9323a01a12fcf9432f2dfbe213365a0e993ff0ff47816 [INFO] running `Command { std: "docker" "start" "-a" "555de1dc5327f31ce3a9323a01a12fcf9432f2dfbe213365a0e993ff0ff47816", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustlings-23d4d1c6fa00313b) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_pending_state ... FAILED [INFO] [stdout] test exercise::test::test_finished_exercise ... 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: 0x5573e8ad162c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5573e8ad162c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5573e8ad162c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5573e8ad162c - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5573e8af4f0c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x5573e8ace255 - std::io::Write::write_fmt::hb6383f24fe197d3c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x5573e8ad32e0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5573e8ad32e0 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5573e8ad32e0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x5573e8ad2ed2 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9 [INFO] [stdout] 10: 0x5573e8ad3994 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x5573e8ad3470 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x5573e8ad1af4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5573e8ad33d9 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x5573e88e0b71 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x5573e88e0c63 - core::result::unwrap_failed::ha0c84e81219e5878 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5 [INFO] [stdout] 16: 0x5573e88ea0bd - core::result::Result::unwrap::hab1c4654cb5bf3c2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1299:23 [INFO] [stdout] 17: 0x5573e88e5f13 - rustlings::exercise::test::test_clean::h4437d131aa4ec000 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 18: 0x5573e88e5eca - rustlings::exercise::test::test_clean::{{closure}}::h30e6f2e0861a92d5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:5 [INFO] [stdout] 19: 0x5573e88ef18e - core::ops::function::FnOnce::call_once::h35abc63b5f33cc45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5573e89273e3 - core::ops::function::FnOnce::call_once::h61555a204318cc58 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5573e89273e3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x5573e8925e68 - as core::ops::function::FnOnce>::call_once::h98582e597fa7f145 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 23: 0x5573e8925e68 - as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5573e8925e68 - std::panicking::try::do_call::h5b27d1cfffaa9f87 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 25: 0x5573e8925e68 - std::panicking::try::h86f7124b3264bcbe [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 26: 0x5573e8925e68 - std::panic::catch_unwind::h42dadf3598df7528 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 27: 0x5573e8925e68 - test::run_test_in_process::h9d4b7510f0910050 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x5573e8925e68 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x5573e88f39be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x5573e88f39be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 32: 0x5573e88f8258 - as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5573e88f8258 - std::panicking::try::do_call::h0de4b1dd08a9aa80 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 34: 0x5573e88f8258 - std::panicking::try::hf5b5c530df698d97 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 35: 0x5573e88f8258 - std::panic::catch_unwind::hed97078f17dbf191 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 36: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 37: 0x5573e88f8258 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::hbbbb32ef11ea0ad2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 39: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::h3b8ef23699fc5385 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 40: 0x5573e8ad8933 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 41: 0x7fa257fcd609 - start_thread [INFO] [stdout] 42: 0x7fa258124293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_pending_state stdout ---- [INFO] [stdout] thread 'exercise::test::test_pending_state' panicked at 'We were unable to open the exercise file!: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/exercise.rs:201:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5573e8ad162c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5573e8ad162c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5573e8ad162c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5573e8ad162c - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5573e8af4f0c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x5573e8ace255 - std::io::Write::write_fmt::hb6383f24fe197d3c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x5573e8ad32e0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5573e8ad32e0 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5573e8ad32e0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x5573e8ad2ed2 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9 [INFO] [stdout] 10: 0x5573e8ad3994 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x5573e8ad3470 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x5573e8ad1af4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5573e8ad33d9 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x5573e88e0b71 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x5573e88e0c63 - core::result::unwrap_failed::ha0c84e81219e5878 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5 [INFO] [stdout] 16: 0x5573e88e9e0f - core::result::Result::expect::h5a8760020872c03d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1259:23 [INFO] [stdout] 17: 0x5573e88e2f7a - rustlings::exercise::Exercise::state::h245b04269d78bf2b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:201:13 [INFO] [stdout] 18: 0x5573e88e62ae - rustlings::exercise::test::test_pending_state::h60cec052929a9af9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:291:21 [INFO] [stdout] 19: 0x5573e88e61ba - rustlings::exercise::test::test_pending_state::{{closure}}::h7806de0045865295 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:283:5 [INFO] [stdout] 20: 0x5573e88ef1ce - core::ops::function::FnOnce::call_once::h48b5d549a293f7c5 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5573e89273e3 - core::ops::function::FnOnce::call_once::h61555a204318cc58 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x5573e89273e3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5 [INFO] [stdout] 23: 0x5573e8925e68 - as core::ops::function::FnOnce>::call_once::h98582e597fa7f145 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 24: 0x5573e8925e68 - as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 25: 0x5573e8925e68 - std::panicking::try::do_call::h5b27d1cfffaa9f87 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 26: 0x5573e8925e68 - std::panicking::try::h86f7124b3264bcbe [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 27: 0x5573e8925e68 - std::panic::catch_unwind::h42dadf3598df7528 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 28: 0x5573e8925e68 - test::run_test_in_process::h9d4b7510f0910050 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18 [INFO] [stdout] 29: 0x5573e8925e68 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39 [INFO] [stdout] 30: 0x5573e88f39be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37 [INFO] [stdout] 31: 0x5573e88f39be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 32: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 33: 0x5573e88f8258 - as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 34: 0x5573e88f8258 - std::panicking::try::do_call::h0de4b1dd08a9aa80 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 35: 0x5573e88f8258 - std::panicking::try::hf5b5c530df698d97 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 36: 0x5573e88f8258 - std::panic::catch_unwind::hed97078f17dbf191 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 37: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 38: 0x5573e88f8258 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 39: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::hbbbb32ef11ea0ad2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 40: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::h3b8ef23699fc5385 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 41: 0x5573e8ad8933 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 42: 0x7fa257fcd609 - start_thread [INFO] [stdout] 43: 0x7fa258124293 - clone [INFO] [stdout] 44: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_finished_exercise stdout ---- [INFO] [stdout] thread 'exercise::test::test_finished_exercise' panicked at 'We were unable to open the exercise file!: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/exercise.rs:201:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5573e8ad162c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5573e8ad162c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5573e8ad162c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5573e8ad162c - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5573e8af4f0c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x5573e8ace255 - std::io::Write::write_fmt::hb6383f24fe197d3c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x5573e8ad32e0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5573e8ad32e0 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5573e8ad32e0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x5573e8ad2ed2 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9 [INFO] [stdout] 10: 0x5573e8ad3994 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x5573e8ad3470 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x5573e8ad1af4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5573e8ad33d9 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x5573e88e0b71 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x5573e88e0c63 - core::result::unwrap_failed::ha0c84e81219e5878 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5 [INFO] [stdout] 16: 0x5573e88e9e0f - core::result::Result::expect::h5a8760020872c03d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1259:23 [INFO] [stdout] 17: 0x5573e88e2f7a - rustlings::exercise::Exercise::state::h245b04269d78bf2b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:201:13 [INFO] [stdout] 18: 0x5573e88e68ae - rustlings::exercise::test::test_finished_exercise::h27b0f05bfc5b8350 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:332:20 [INFO] [stdout] 19: 0x5573e88e67ba - rustlings::exercise::test::test_finished_exercise::{{closure}}::h18977bc78fcabe04 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:324:5 [INFO] [stdout] 20: 0x5573e88ef23e - core::ops::function::FnOnce::call_once::h4aba83c538100bba [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5573e89273e3 - core::ops::function::FnOnce::call_once::h61555a204318cc58 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x5573e89273e3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5 [INFO] [stdout] 23: 0x5573e8925e68 - as core::ops::function::FnOnce>::call_once::h98582e597fa7f145 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 24: 0x5573e8925e68 - as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 25: 0x5573e8925e68 - std::panicking::try::do_call::h5b27d1cfffaa9f87 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 26: 0x5573e8925e68 - std::panicking::try::h86f7124b3264bcbe [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 27: 0x5573e8925e68 - std::panic::catch_unwind::h42dadf3598df7528 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 28: 0x5573e8925e68 - test::run_test_in_process::h9d4b7510f0910050 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18 [INFO] [stdout] 29: 0x5573e8925e68 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39 [INFO] [stdout] 30: 0x5573e88f39be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37 [INFO] [stdout] 31: 0x5573e88f39be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 32: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 33: 0x5573e88f8258 - as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 34: 0x5573e88f8258 - std::panicking::try::do_call::h0de4b1dd08a9aa80 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 35: 0x5573e88f8258 - std::panicking::try::hf5b5c530df698d97 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 36: 0x5573e88f8258 - std::panic::catch_unwind::hed97078f17dbf191 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 37: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 38: 0x5573e88f8258 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 39: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::hbbbb32ef11ea0ad2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 40: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::h3b8ef23699fc5385 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 41: 0x5573e8ad8933 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 42: 0x7fa257fcd609 - start_thread [INFO] [stdout] 43: 0x7fa258124293 - clone [INFO] [stdout] 44: 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: couldn't read tests/fixture/success/testSuccess.rs: No such file or directory (os error 2)\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: 0x5573e8ad162c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5573e8ad162c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5573e8ad162c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5573e8ad162c - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5573e8af4f0c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x5573e8ace255 - std::io::Write::write_fmt::hb6383f24fe197d3c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x5573e8ad32e0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5573e8ad32e0 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5573e8ad32e0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x5573e8ad2ed2 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9 [INFO] [stdout] 10: 0x5573e8ad3994 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x5573e8ad3470 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x5573e8ad1af4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5573e8ad33d9 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x5573e88e0b71 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x5573e88e0c63 - core::result::unwrap_failed::ha0c84e81219e5878 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5 [INFO] [stdout] 16: 0x5573e88ea032 - core::result::Result::unwrap::ha786e3afc16135aa [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1299:23 [INFO] [stdout] 17: 0x5573e88e6b3c - rustlings::exercise::test::test_exercise_with_output::h6a25df78f78eb5a4 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 18: 0x5573e88e69fa - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h87b2d922c974a352 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:5 [INFO] [stdout] 19: 0x5573e88ef2ce - core::ops::function::FnOnce::call_once::hb00ce5f47a74c9de [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5573e89273e3 - core::ops::function::FnOnce::call_once::h61555a204318cc58 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5573e89273e3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x5573e8925e68 - as core::ops::function::FnOnce>::call_once::h98582e597fa7f145 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 23: 0x5573e8925e68 - as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5573e8925e68 - std::panicking::try::do_call::h5b27d1cfffaa9f87 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 25: 0x5573e8925e68 - std::panicking::try::h86f7124b3264bcbe [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 26: 0x5573e8925e68 - std::panic::catch_unwind::h42dadf3598df7528 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 27: 0x5573e8925e68 - test::run_test_in_process::h9d4b7510f0910050 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x5573e8925e68 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x5573e88f39be - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x5573e88f39be - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 32: 0x5573e88f8258 - as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5573e88f8258 - std::panicking::try::do_call::h0de4b1dd08a9aa80 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 34: 0x5573e88f8258 - std::panicking::try::hf5b5c530df698d97 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 35: 0x5573e88f8258 - std::panic::catch_unwind::hed97078f17dbf191 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 36: 0x5573e88f8258 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 37: 0x5573e88f8258 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::hbbbb32ef11ea0ad2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 39: 0x5573e8ad8933 - as core::ops::function::FnOnce>::call_once::h3b8ef23699fc5385 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 40: 0x5573e8ad8933 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 41: 0x7fa257fcd609 - start_thread [INFO] [stdout] 42: 0x7fa258124293 - 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] exercise::test::test_finished_exercise [INFO] [stdout] exercise::test::test_pending_state [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 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" "555de1dc5327f31ce3a9323a01a12fcf9432f2dfbe213365a0e993ff0ff47816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "555de1dc5327f31ce3a9323a01a12fcf9432f2dfbe213365a0e993ff0ff47816", kill_on_drop: false }` [INFO] [stdout] 555de1dc5327f31ce3a9323a01a12fcf9432f2dfbe213365a0e993ff0ff47816