[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-jhpetrichor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-jhpetrichor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bb95b421111ed3505a9a76e4888306a314f9fb16 [INFO] testing LearningOS/rust-rustlings-2023-autumn-jhpetrichor against beta-2025-02-18 for beta-1.86-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2023-autumn-jhpetrichor" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor on toolchain beta-2025-02-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2023-autumn-jhpetrichor already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be9f03aaa5e32823554b1de9d0f781a8884b78d23e6793b817c640b8c7fc3129 [INFO] running `Command { std: "docker" "start" "-a" "be9f03aaa5e32823554b1de9d0f781a8884b78d23e6793b817c640b8c7fc3129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be9f03aaa5e32823554b1de9d0f781a8884b78d23e6793b817c640b8c7fc3129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9f03aaa5e32823554b1de9d0f781a8884b78d23e6793b817c640b8c7fc3129", kill_on_drop: false }` [INFO] [stdout] be9f03aaa5e32823554b1de9d0f781a8884b78d23e6793b817c640b8c7fc3129 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b994258c5f13c0c92a40cb621c4735c15e9c7664cd223775f16b2bfd74927a50 [INFO] running `Command { std: "docker" "start" "-a" "b994258c5f13c0c92a40cb621c4735c15e9c7664cd223775f16b2bfd74927a50", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.72s [INFO] running `Command { std: "docker" "inspect" "b994258c5f13c0c92a40cb621c4735c15e9c7664cd223775f16b2bfd74927a50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b994258c5f13c0c92a40cb621c4735c15e9c7664cd223775f16b2bfd74927a50", kill_on_drop: false }` [INFO] [stdout] b994258c5f13c0c92a40cb621c4735c15e9c7664cd223775f16b2bfd74927a50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d511ca3909ddfb7efb2badb500bc9542145463a7ca2978346c7687d41a0ccfe [INFO] running `Command { std: "docker" "start" "-a" "4d511ca3909ddfb7efb2badb500bc9542145463a7ca2978346c7687d41a0ccfe", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.61s [INFO] running `Command { std: "docker" "inspect" "4d511ca3909ddfb7efb2badb500bc9542145463a7ca2978346c7687d41a0ccfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d511ca3909ddfb7efb2badb500bc9542145463a7ca2978346c7687d41a0ccfe", kill_on_drop: false }` [INFO] [stdout] 4d511ca3909ddfb7efb2badb500bc9542145463a7ca2978346c7687d41a0ccfe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 61322939f41fbf0bd458fe61d2aa1211e97b607556ed1e2c2cd01c3566838a0e [INFO] running `Command { std: "docker" "start" "-a" "61322939f41fbf0bd458fe61d2aa1211e97b607556ed1e2c2cd01c3566838a0e", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-9d591e168ede1823) [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] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:303:36: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x64da46f80930 - std::backtrace_rs::backtrace::libunwind::trace::h8ddfbb338e69e199 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x64da46f80930 - std::backtrace_rs::backtrace::trace_unsynchronized::h4b42ed801e8ee862 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x64da46f80930 - std::sys::backtrace::_print_fmt::hb90198f2c10bf707 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x64da46f80930 - ::fmt::h0f123f0656f13ecf [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x64da46fa76c3 - core::fmt::rt::Argument::fmt::h12e51c1529489cd8 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x64da46fa76c3 - core::fmt::write::h0abcdef7aa759353 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x64da46f7da43 - std::io::Write::write_fmt::h7dca996477fd2572 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x64da46f80782 - std::sys::backtrace::BacktraceLock::print::h759bdab738e31d9d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x64da46f81d5f - std::panicking::default_hook::{{closure}}::h0616f7020c8b9e0d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x64da46f81b78 - std::panicking::default_hook::hcb4bf3fe9044f7f6 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x64da46d37355 - as core::ops::function::Fn>::call::h279e54743b3b5624 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x64da46d37355 - test::test_main::{{closure}}::h1534cf01c0e4ff40 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x64da46f827d3 - as core::ops::function::Fn>::call::h1e945e436dfc22a7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x64da46f827d3 - std::panicking::rust_panic_with_hook::h2fd8d6252462d800 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x64da46f824aa - std::panicking::begin_panic_handler::{{closure}}::h746cf6ba43e1c73f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x64da46f80e49 - std::sys::backtrace::__rust_end_short_backtrace::hba3f7b171935b491 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x64da46f8213d - rust_begin_unwind [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x64da46ceb470 - core::panicking::panic_fmt::h34cc4efb1683329b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x64da46ceb916 - core::result::unwrap_failed::h7658f905fcb0751c [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x64da46cf1fca - core::result::Result::unwrap::he77b8b3c7cf61a3f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x64da46cf1fca - rustlings::exercise::test::test_clean::h21b91c206d48d941 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x64da46cf1f07 - rustlings::exercise::test::test_clean::{{closure}}::h1d54e5f96f63fd1c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x64da46cecbb6 - core::ops::function::FnOnce::call_once::h7431e80179944e8a [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x64da46d3cb4b - core::ops::function::FnOnce::call_once::h646a81b1a0ee3114 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x64da46d3cb4b - test::__rust_begin_short_backtrace::h9737b749cdf20b73 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x64da46d3b9c8 - test::run_test_in_process::{{closure}}::hc9246156bf12c5e3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x64da46d3b9c8 - as core::ops::function::FnOnce<()>>::call_once::hd187ec090a91a453 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x64da46d3b9c8 - std::panicking::try::do_call::hb7490276b7008401 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x64da46d3b9c8 - std::panicking::try::hde59a334d39e511f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x64da46d3b9c8 - std::panic::catch_unwind::h777cbed9f782814a [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x64da46d3b9c8 - test::run_test_in_process::h6282ed78cab70f02 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x64da46d3b9c8 - test::run_test::{{closure}}::ha4e6ef53f436d64b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x64da46cff955 - test::run_test::{{closure}}::he11a461bf23e93a3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x64da46cff955 - std::sys::backtrace::__rust_begin_short_backtrace::h25c92ff64d2c4388 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x64da46d0332a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6e893de0bbdcdcce [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x64da46d0332a - as core::ops::function::FnOnce<()>>::call_once::h2b3c3ff4a3a96573 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x64da46d0332a - std::panicking::try::do_call::hcc3185a4abc5431b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x64da46d0332a - std::panicking::try::hc832a415a1d2ee28 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x64da46d0332a - std::panic::catch_unwind::h5e16acac36e3f225 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x64da46d0332a - std::thread::Builder::spawn_unchecked_::{{closure}}::h9863d22f929fcd53 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x64da46d0332a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h707ec2cca9db5939 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x64da46f8674b - as core::ops::function::FnOnce>::call_once::h5f64cf9bc27988da [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x64da46f8674b - as core::ops::function::FnOnce>::call_once::h2964712f7a7284c7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x64da46f8674b - std::sys::pal::unix::thread::Thread::new::thread_start::h22ff3573f90e72f2 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x77431ffc9ac3 - [INFO] [stdout] 45: 0x77432005aa04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:376:38: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmeta8RRs1l\"\u{1b}[0m\n\n\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: aborting due to 1 previous error\u{1b}[0m\n\n" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x64da46f80930 - std::backtrace_rs::backtrace::libunwind::trace::h8ddfbb338e69e199 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x64da46f80930 - std::backtrace_rs::backtrace::trace_unsynchronized::h4b42ed801e8ee862 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x64da46f80930 - std::sys::backtrace::_print_fmt::hb90198f2c10bf707 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x64da46f80930 - ::fmt::h0f123f0656f13ecf [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x64da46fa76c3 - core::fmt::rt::Argument::fmt::h12e51c1529489cd8 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x64da46fa76c3 - core::fmt::write::h0abcdef7aa759353 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x64da46f7da43 - std::io::Write::write_fmt::h7dca996477fd2572 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x64da46f80782 - std::sys::backtrace::BacktraceLock::print::h759bdab738e31d9d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x64da46f81d5f - std::panicking::default_hook::{{closure}}::h0616f7020c8b9e0d [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x64da46f81b78 - std::panicking::default_hook::hcb4bf3fe9044f7f6 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x64da46d37355 - as core::ops::function::Fn>::call::h279e54743b3b5624 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x64da46d37355 - test::test_main::{{closure}}::h1534cf01c0e4ff40 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x64da46f827d3 - as core::ops::function::Fn>::call::h1e945e436dfc22a7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x64da46f827d3 - std::panicking::rust_panic_with_hook::h2fd8d6252462d800 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x64da46f824aa - std::panicking::begin_panic_handler::{{closure}}::h746cf6ba43e1c73f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x64da46f80e49 - std::sys::backtrace::__rust_end_short_backtrace::hba3f7b171935b491 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x64da46f8213d - rust_begin_unwind [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x64da46ceb470 - core::panicking::panic_fmt::h34cc4efb1683329b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x64da46ceb916 - core::result::unwrap_failed::h7658f905fcb0751c [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x64da46cf2e6a - core::result::Result::unwrap::heaccb399e17946eb [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x64da46cf2e6a - rustlings::exercise::test::test_exercise_with_output::h0f7e058644457256 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x64da46cf2c77 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hceb3f436b82abe8a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x64da46cecaf6 - core::ops::function::FnOnce::call_once::h096ef96e2bac3f19 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x64da46d3cb4b - core::ops::function::FnOnce::call_once::h646a81b1a0ee3114 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x64da46d3cb4b - test::__rust_begin_short_backtrace::h9737b749cdf20b73 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x64da46d3b9c8 - test::run_test_in_process::{{closure}}::hc9246156bf12c5e3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x64da46d3b9c8 - as core::ops::function::FnOnce<()>>::call_once::hd187ec090a91a453 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x64da46d3b9c8 - std::panicking::try::do_call::hb7490276b7008401 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x64da46d3b9c8 - std::panicking::try::hde59a334d39e511f [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x64da46d3b9c8 - std::panic::catch_unwind::h777cbed9f782814a [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x64da46d3b9c8 - test::run_test_in_process::h6282ed78cab70f02 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x64da46d3b9c8 - test::run_test::{{closure}}::ha4e6ef53f436d64b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x64da46cff955 - test::run_test::{{closure}}::he11a461bf23e93a3 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x64da46cff955 - std::sys::backtrace::__rust_begin_short_backtrace::h25c92ff64d2c4388 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x64da46d0332a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6e893de0bbdcdcce [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x64da46d0332a - as core::ops::function::FnOnce<()>>::call_once::h2b3c3ff4a3a96573 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x64da46d0332a - std::panicking::try::do_call::hcc3185a4abc5431b [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x64da46d0332a - std::panicking::try::hc832a415a1d2ee28 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x64da46d0332a - std::panic::catch_unwind::h5e16acac36e3f225 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x64da46d0332a - std::thread::Builder::spawn_unchecked_::{{closure}}::h9863d22f929fcd53 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x64da46d0332a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h707ec2cca9db5939 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x64da46f8674b - as core::ops::function::FnOnce>::call_once::h5f64cf9bc27988da [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x64da46f8674b - as core::ops::function::FnOnce>::call_once::h2964712f7a7284c7 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x64da46f8674b - std::sys::pal::unix::thread::Thread::new::thread_start::h22ff3573f90e72f2 [INFO] [stdout] at /rustc/f0cb41030579cd1a6f72bd23f38e677052d5d485/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x77431ffc9ac3 - [INFO] [stdout] 45: 0x77432005aa04 - clone [INFO] [stdout] 46: 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 0.14s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "61322939f41fbf0bd458fe61d2aa1211e97b607556ed1e2c2cd01c3566838a0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61322939f41fbf0bd458fe61d2aa1211e97b607556ed1e2c2cd01c3566838a0e", kill_on_drop: false }` [INFO] [stdout] 61322939f41fbf0bd458fe61d2aa1211e97b607556ed1e2c2cd01c3566838a0e