[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-yaoxingpu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-yaoxingpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-yaoxingpu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-yaoxingpu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a05649f343f259887453c6e6980c480e150de64a [INFO] testing cicvedu/rust-rustlings-yaoxingpu/a05649f343f259887453c6e6980c480e150de64a against 1.81.0 for beta-1.82-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-yaoxingpu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-yaoxingpu on toolchain 1.81.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-yaoxingpu [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-yaoxingpu [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-yaoxingpu written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-yaoxingpu 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1b9ae204b0211ad3a6188051f22d10f0524f3db8d62e6a5fd25974e279bc155 [INFO] running `Command { std: "docker" "start" "-a" "c1b9ae204b0211ad3a6188051f22d10f0524f3db8d62e6a5fd25974e279bc155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1b9ae204b0211ad3a6188051f22d10f0524f3db8d62e6a5fd25974e279bc155", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1b9ae204b0211ad3a6188051f22d10f0524f3db8d62e6a5fd25974e279bc155", kill_on_drop: false }` [INFO] [stdout] c1b9ae204b0211ad3a6188051f22d10f0524f3db8d62e6a5fd25974e279bc155 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 143d1791dd38d34a23bc96ee7a945a9ab5ac75253f22cefa0137cf663fba0ee7 [INFO] running `Command { std: "docker" "start" "-a" "143d1791dd38d34a23bc96ee7a945a9ab5ac75253f22cefa0137cf663fba0ee7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [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 smallvec v1.11.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [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 tokio v1.29.1 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling ryu v1.0.14 [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 inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling argh_derive 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 argh v0.1.10 [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 21.34s [INFO] running `Command { std: "docker" "inspect" "143d1791dd38d34a23bc96ee7a945a9ab5ac75253f22cefa0137cf663fba0ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "143d1791dd38d34a23bc96ee7a945a9ab5ac75253f22cefa0137cf663fba0ee7", kill_on_drop: false }` [INFO] [stdout] 143d1791dd38d34a23bc96ee7a945a9ab5ac75253f22cefa0137cf663fba0ee7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c276db2ac4babb80da7f60686f87fb3c0729a0b697a5fbdb4e75fa4f87784238 [INFO] running `Command { std: "docker" "start" "-a" "c276db2ac4babb80da7f60686f87fb3c0729a0b697a5fbdb4e75fa4f87784238", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.4.1 [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 3.30s [INFO] running `Command { std: "docker" "inspect" "c276db2ac4babb80da7f60686f87fb3c0729a0b697a5fbdb4e75fa4f87784238", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c276db2ac4babb80da7f60686f87fb3c0729a0b697a5fbdb4e75fa4f87784238", kill_on_drop: false }` [INFO] [stdout] c276db2ac4babb80da7f60686f87fb3c0729a0b697a5fbdb4e75fa4f87784238 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c325564a141767b227105519ab692a6cfb7dee6d85f07e6b564a5665fafeaa82 [INFO] running `Command { std: "docker" "start" "-a" "c325564a141767b227105519ab692a6cfb7dee6d85f07e6b564a5665fafeaa82", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-a970fdfb4639b6cd) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... 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 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: 0x57df88271ff5 - std::backtrace_rs::backtrace::libunwind::trace::h649ab3318d3445c5 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x57df88271ff5 - std::backtrace_rs::backtrace::trace_unsynchronized::hf4bb60c3387150c3 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x57df88271ff5 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5 [INFO] [stdout] 3: 0x57df88271ff5 - ::fmt::h1b9dad2a88e955ff [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26 [INFO] [stdout] 4: 0x57df88297b4b - core::fmt::rt::Argument::fmt::h351a7824f737a6a0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x57df88297b4b - core::fmt::write::h4b5a1270214bc4a7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21 [INFO] [stdout] 6: 0x57df8826f8ff - std::io::Write::write_fmt::h9d1e399061051a36 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15 [INFO] [stdout] 7: 0x57df88273811 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9 [INFO] [stdout] 8: 0x57df88273811 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22 [INFO] [stdout] 9: 0x57df882733b8 - std::panicking::default_hook::h3cacb9c27561ad33 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:293:9 [INFO] [stdout] 10: 0x57df87ffe17a - as core::ops::function::Fn>::call::hd212b1446b2b2077 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 11: 0x57df87ffe17a - test::test_main::{{closure}}::hd15ff34f3f68988b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x57df882740af - as core::ops::function::Fn>::call::hce7569f4ca5d1b64 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 13: 0x57df882740af - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13 [INFO] [stdout] 14: 0x57df88273cd7 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x57df882724b9 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x57df88273964 - rust_begin_unwind [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x57df87fb18e3 - core::panicking::panic_fmt::h3d8fc78294164da7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x57df87fb1e36 - core::result::unwrap_failed::hfa79a499befff387 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x57df87fbd82a - core::result::Result::unwrap::hc8e2c11af6658615 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x57df87fbd82a - rustlings::exercise::test::test_clean::h099a8be8ab4ecc8c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x57df87fbd767 - rustlings::exercise::test::test_clean::{{closure}}::ha3f2944b17ce306e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x57df87fba8d6 - core::ops::function::FnOnce::call_once::h68071b6c44b8cb2b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x57df880027bb - core::ops::function::FnOnce::call_once::h81f56a195fe4862e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x57df880027bb - test::__rust_begin_short_backtrace::h919c79c8b896f9e2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:624:18 [INFO] [stdout] 25: 0x57df88002065 - test::run_test_in_process::{{closure}}::h7b3d5751c5b4dd75 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:60 [INFO] [stdout] 26: 0x57df88002065 - as core::ops::function::FnOnce<()>>::call_once::hdabd61465e4dbd80 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x57df88002065 - std::panicking::try::do_call::hc813c79fd64b0a90 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x57df88002065 - std::panicking::try::h055c5de7e7bfc209 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 29: 0x57df88002065 - std::panic::catch_unwind::h4265d6525195c807 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 30: 0x57df88002065 - test::run_test_in_process::he72c277a35f96567 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:27 [INFO] [stdout] 31: 0x57df88002065 - test::run_test::{{closure}}::h974e632522c0fbcf [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:568:43 [INFO] [stdout] 32: 0x57df87fca054 - test::run_test::{{closure}}::hdc2c89ce8b601dda [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:598:41 [INFO] [stdout] 33: 0x57df87fca054 - std::sys::backtrace::__rust_begin_short_backtrace::h342cb8e53aeb2076 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x57df87fcd782 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h67b1b5c1709ad95b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x57df87fcd782 - as core::ops::function::FnOnce<()>>::call_once::hd8c7a030ea8b7676 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x57df87fcd782 - std::panicking::try::do_call::h512c2ab2c15b7d31 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x57df87fcd782 - std::panicking::try::h5c2903f8937bc868 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 38: 0x57df87fcd782 - std::panic::catch_unwind::h242c80217c2dbece [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 39: 0x57df87fcd782 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6cb4494ebdd8caf7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x57df87fcd782 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h42193b008049ba94 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x57df8827834b - as core::ops::function::FnOnce>::call_once::ha1963004222e7822 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 42: 0x57df8827834b - as core::ops::function::FnOnce>::call_once::h1086ced1f7c494c2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 43: 0x57df8827834b - std::sys::pal::unix::thread::Thread::new::thread_start::ha8af9c992ef0b208 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 44: 0x7a442dd90ac3 - [INFO] [stdout] 45: 0x7a442de21a04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output 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/./rmetaRNxGYg\"\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: 0x57df88271ff5 - std::backtrace_rs::backtrace::libunwind::trace::h649ab3318d3445c5 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x57df88271ff5 - std::backtrace_rs::backtrace::trace_unsynchronized::hf4bb60c3387150c3 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x57df88271ff5 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5 [INFO] [stdout] 3: 0x57df88271ff5 - ::fmt::h1b9dad2a88e955ff [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26 [INFO] [stdout] 4: 0x57df88297b4b - core::fmt::rt::Argument::fmt::h351a7824f737a6a0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x57df88297b4b - core::fmt::write::h4b5a1270214bc4a7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21 [INFO] [stdout] 6: 0x57df8826f8ff - std::io::Write::write_fmt::h9d1e399061051a36 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15 [INFO] [stdout] 7: 0x57df88273811 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9 [INFO] [stdout] 8: 0x57df88273811 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22 [INFO] [stdout] 9: 0x57df882733b8 - std::panicking::default_hook::h3cacb9c27561ad33 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:293:9 [INFO] [stdout] 10: 0x57df87ffe17a - as core::ops::function::Fn>::call::hd212b1446b2b2077 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 11: 0x57df87ffe17a - test::test_main::{{closure}}::hd15ff34f3f68988b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x57df882740af - as core::ops::function::Fn>::call::hce7569f4ca5d1b64 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 13: 0x57df882740af - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13 [INFO] [stdout] 14: 0x57df88273cd7 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x57df882724b9 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x57df88273964 - rust_begin_unwind [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x57df87fb18e3 - core::panicking::panic_fmt::h3d8fc78294164da7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x57df87fb1e36 - core::result::unwrap_failed::hfa79a499befff387 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x57df87fbe68a - core::result::Result::unwrap::h78443285e5cced91 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x57df87fbe68a - rustlings::exercise::test::test_exercise_with_output::hd370fa7829e6f6d7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x57df87fbe497 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::he5d788bf71cb0681 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x57df87fba896 - core::ops::function::FnOnce::call_once::h6806480b21948c0b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x57df880027bb - core::ops::function::FnOnce::call_once::h81f56a195fe4862e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x57df880027bb - test::__rust_begin_short_backtrace::h919c79c8b896f9e2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:624:18 [INFO] [stdout] 25: 0x57df88002065 - test::run_test_in_process::{{closure}}::h7b3d5751c5b4dd75 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:60 [INFO] [stdout] 26: 0x57df88002065 - as core::ops::function::FnOnce<()>>::call_once::hdabd61465e4dbd80 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x57df88002065 - std::panicking::try::do_call::hc813c79fd64b0a90 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x57df88002065 - std::panicking::try::h055c5de7e7bfc209 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 29: 0x57df88002065 - std::panic::catch_unwind::h4265d6525195c807 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 30: 0x57df88002065 - test::run_test_in_process::he72c277a35f96567 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:27 [INFO] [stdout] 31: 0x57df88002065 - test::run_test::{{closure}}::h974e632522c0fbcf [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:568:43 [INFO] [stdout] 32: 0x57df87fca054 - test::run_test::{{closure}}::hdc2c89ce8b601dda [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:598:41 [INFO] [stdout] 33: 0x57df87fca054 - std::sys::backtrace::__rust_begin_short_backtrace::h342cb8e53aeb2076 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x57df87fcd782 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h67b1b5c1709ad95b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x57df87fcd782 - as core::ops::function::FnOnce<()>>::call_once::hd8c7a030ea8b7676 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x57df87fcd782 - std::panicking::try::do_call::h512c2ab2c15b7d31 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x57df87fcd782 - std::panicking::try::h5c2903f8937bc868 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 38: 0x57df87fcd782 - std::panic::catch_unwind::h242c80217c2dbece [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 39: 0x57df87fcd782 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6cb4494ebdd8caf7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x57df87fcd782 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h42193b008049ba94 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x57df8827834b - as core::ops::function::FnOnce>::call_once::ha1963004222e7822 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 42: 0x57df8827834b - as core::ops::function::FnOnce>::call_once::h1086ced1f7c494c2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 43: 0x57df8827834b - std::sys::pal::unix::thread::Thread::new::thread_start::ha8af9c992ef0b208 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 44: 0x7a442dd90ac3 - [INFO] [stdout] 45: 0x7a442de21a04 - 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 0.07s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "c325564a141767b227105519ab692a6cfb7dee6d85f07e6b564a5665fafeaa82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c325564a141767b227105519ab692a6cfb7dee6d85f07e6b564a5665fafeaa82", kill_on_drop: false }` [INFO] [stdout] c325564a141767b227105519ab692a6cfb7dee6d85f07e6b564a5665fafeaa82