[INFO] cloning repository https://github.com/Takahiro800/my_rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Takahiro800/my_rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakahiro800%2Fmy_rustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakahiro800%2Fmy_rustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d458e127fe02801f4ba59d0ab5816d79fbbefae9 [INFO] testing Takahiro800/my_rustlings/d458e127fe02801f4ba59d0ab5816d79fbbefae9 against 1.81.0 for beta-1.82-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakahiro800%2Fmy_rustlings" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Takahiro800/my_rustlings 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/Takahiro800/my_rustlings [INFO] finished tweaking git repo https://github.com/Takahiro800/my_rustlings [INFO] tweaked toml for git repo https://github.com/Takahiro800/my_rustlings written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Takahiro800/my_rustlings 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bf43cb98bac1781dead3d8b89a240d4580ad8850f5a0c04f76d656e6540c3123 [INFO] running `Command { std: "docker" "start" "-a" "bf43cb98bac1781dead3d8b89a240d4580ad8850f5a0c04f76d656e6540c3123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf43cb98bac1781dead3d8b89a240d4580ad8850f5a0c04f76d656e6540c3123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf43cb98bac1781dead3d8b89a240d4580ad8850f5a0c04f76d656e6540c3123", kill_on_drop: false }` [INFO] [stdout] bf43cb98bac1781dead3d8b89a240d4580ad8850f5a0c04f76d656e6540c3123 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2a743de2ea181a27bb2ea13c48258f9e06f1c100a2ee993f9c8c9815fcc811d2 [INFO] running `Command { std: "docker" "start" "-a" "2a743de2ea181a27bb2ea13c48258f9e06f1c100a2ee993f9c8c9815fcc811d2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling portable-atomic v1.4.3 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling anstyle v1.0.3 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling anstyle-parse v0.2.1 [INFO] [stderr] Compiling winnow v0.5.15 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling clap_builder v4.4.2 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling home v0.5.4 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.38 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling console v0.15.5 [INFO] [stderr] Compiling filetime v0.2.20 [INFO] [stderr] Compiling syn v2.0.8 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling indicatif v0.17.6 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.7.2 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling clap v4.4.3 [INFO] [stderr] Compiling toml_datetime v0.6.3 [INFO] [stderr] Compiling serde_spanned v0.6.3 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling toml v0.7.8 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.80s [INFO] running `Command { std: "docker" "inspect" "2a743de2ea181a27bb2ea13c48258f9e06f1c100a2ee993f9c8c9815fcc811d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a743de2ea181a27bb2ea13c48258f9e06f1c100a2ee993f9c8c9815fcc811d2", kill_on_drop: false }` [INFO] [stdout] 2a743de2ea181a27bb2ea13c48258f9e06f1c100a2ee993f9c8c9815fcc811d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 735f57aeaff8cc642ba97b227db38d536469babcef17bf1583187f33216353c5 [INFO] running `Command { std: "docker" "start" "-a" "735f57aeaff8cc642ba97b227db38d536469babcef17bf1583187f33216353c5", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling bstr v1.6.2 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling predicates v3.0.3 [INFO] [stderr] Compiling assert_cmd v2.0.12 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.96s [INFO] running `Command { std: "docker" "inspect" "735f57aeaff8cc642ba97b227db38d536469babcef17bf1583187f33216353c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "735f57aeaff8cc642ba97b227db38d536469babcef17bf1583187f33216353c5", kill_on_drop: false }` [INFO] [stdout] 735f57aeaff8cc642ba97b227db38d536469babcef17bf1583187f33216353c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 89ce2586f988efc20da84d2119ee68b56d0f9c87995715cb667f5f1c3a13e145 [INFO] running `Command { std: "docker" "start" "-a" "89ce2586f988efc20da84d2119ee68b56d0f9c87995715cb667f5f1c3a13e145", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-3fd0ef3261f9498a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:284:35: [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: 0x5fa534887225 - 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: 0x5fa534887225 - 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: 0x5fa534887225 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5 [INFO] [stdout] 3: 0x5fa534887225 - ::fmt::h1b9dad2a88e955ff [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26 [INFO] [stdout] 4: 0x5fa5348ac91b - core::fmt::rt::Argument::fmt::h351a7824f737a6a0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5fa5348ac91b - core::fmt::write::h4b5a1270214bc4a7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21 [INFO] [stdout] 6: 0x5fa534884b0f - std::io::Write::write_fmt::h9d1e399061051a36 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15 [INFO] [stdout] 7: 0x5fa534888a41 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9 [INFO] [stdout] 8: 0x5fa534888a41 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22 [INFO] [stdout] 9: 0x5fa5348885e8 - std::panicking::default_hook::h3cacb9c27561ad33 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:293:9 [INFO] [stdout] 10: 0x5fa5346f9aea - as core::ops::function::Fn>::call::hd212b1446b2b2077 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 11: 0x5fa5346f9aea - test::test_main::{{closure}}::hd15ff34f3f68988b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x5fa5348892df - as core::ops::function::Fn>::call::hce7569f4ca5d1b64 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 13: 0x5fa5348892df - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13 [INFO] [stdout] 14: 0x5fa534888f07 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5fa5348876e9 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5fa534888b94 - rust_begin_unwind [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5fa5346b0873 - core::panicking::panic_fmt::h3d8fc78294164da7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x5fa5346b0dc6 - core::result::unwrap_failed::hfa79a499befff387 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x5fa5346bc642 - core::result::Result::unwrap::hd79d071fcdda7ecd [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x5fa5346bc642 - rustlings::exercise::test::test_clean::h2509ea43c56dbccd [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:284:9 [INFO] [stdout] 21: 0x5fa5346bc5c7 - rustlings::exercise::test::test_clean::{{closure}}::haa40061680bcb007 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:283:20 [INFO] [stdout] 22: 0x5fa5346b25a6 - core::ops::function::FnOnce::call_once::hdb1fdff02109c0ce [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5fa5346fe12b - core::ops::function::FnOnce::call_once::h81f56a195fe4862e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5fa5346fe12b - test::__rust_begin_short_backtrace::h919c79c8b896f9e2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:624:18 [INFO] [stdout] 25: 0x5fa5346fd9d5 - test::run_test_in_process::{{closure}}::h7b3d5751c5b4dd75 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:60 [INFO] [stdout] 26: 0x5fa5346fd9d5 - 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: 0x5fa5346fd9d5 - std::panicking::try::do_call::hc813c79fd64b0a90 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5fa5346fd9d5 - std::panicking::try::h055c5de7e7bfc209 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 29: 0x5fa5346fd9d5 - std::panic::catch_unwind::h4265d6525195c807 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 30: 0x5fa5346fd9d5 - test::run_test_in_process::he72c277a35f96567 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:27 [INFO] [stdout] 31: 0x5fa5346fd9d5 - test::run_test::{{closure}}::h974e632522c0fbcf [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:568:43 [INFO] [stdout] 32: 0x5fa5346c59c4 - test::run_test::{{closure}}::hdc2c89ce8b601dda [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:598:41 [INFO] [stdout] 33: 0x5fa5346c59c4 - std::sys::backtrace::__rust_begin_short_backtrace::h342cb8e53aeb2076 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5fa5346c90f2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h67b1b5c1709ad95b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x5fa5346c90f2 - 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: 0x5fa5346c90f2 - std::panicking::try::do_call::h512c2ab2c15b7d31 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5fa5346c90f2 - std::panicking::try::h5c2903f8937bc868 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 38: 0x5fa5346c90f2 - std::panic::catch_unwind::h242c80217c2dbece [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 39: 0x5fa5346c90f2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6cb4494ebdd8caf7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x5fa5346c90f2 - 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: 0x5fa53488d57b - as core::ops::function::FnOnce>::call_once::ha1963004222e7822 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 42: 0x5fa53488d57b - as core::ops::function::FnOnce>::call_once::h1086ced1f7c494c2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 43: 0x5fa53488d57b - 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: 0x7d289079cac3 - [INFO] [stdout] 45: 0x7d289082da04 - 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:375:38: [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/./rmetaIHlZ9f\"\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: 0x5fa534887225 - 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: 0x5fa534887225 - 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: 0x5fa534887225 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5 [INFO] [stdout] 3: 0x5fa534887225 - ::fmt::h1b9dad2a88e955ff [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26 [INFO] [stdout] 4: 0x5fa5348ac91b - core::fmt::rt::Argument::fmt::h351a7824f737a6a0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5fa5348ac91b - core::fmt::write::h4b5a1270214bc4a7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21 [INFO] [stdout] 6: 0x5fa534884b0f - std::io::Write::write_fmt::h9d1e399061051a36 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15 [INFO] [stdout] 7: 0x5fa534888a41 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9 [INFO] [stdout] 8: 0x5fa534888a41 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22 [INFO] [stdout] 9: 0x5fa5348885e8 - std::panicking::default_hook::h3cacb9c27561ad33 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:293:9 [INFO] [stdout] 10: 0x5fa5346f9aea - as core::ops::function::Fn>::call::hd212b1446b2b2077 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 11: 0x5fa5346f9aea - test::test_main::{{closure}}::hd15ff34f3f68988b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x5fa5348892df - as core::ops::function::Fn>::call::hce7569f4ca5d1b64 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 13: 0x5fa5348892df - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13 [INFO] [stdout] 14: 0x5fa534888f07 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5fa5348876e9 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5fa534888b94 - rust_begin_unwind [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5fa5346b0873 - core::panicking::panic_fmt::h3d8fc78294164da7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x5fa5346b0dc6 - core::result::unwrap_failed::hfa79a499befff387 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x5fa5346bd47a - core::result::Result::unwrap::ha3f917b44bc71dd0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x5fa5346bd47a - rustlings::exercise::test::test_exercise_with_output::h8eae6a8abf0dcde9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:375:19 [INFO] [stdout] 21: 0x5fa5346bd287 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h215bb8056bd21c15 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:368:35 [INFO] [stdout] 22: 0x5fa5346b24f6 - core::ops::function::FnOnce::call_once::h42607ad5be0fa95d [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5fa5346fe12b - core::ops::function::FnOnce::call_once::h81f56a195fe4862e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5fa5346fe12b - test::__rust_begin_short_backtrace::h919c79c8b896f9e2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:624:18 [INFO] [stdout] 25: 0x5fa5346fd9d5 - test::run_test_in_process::{{closure}}::h7b3d5751c5b4dd75 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:60 [INFO] [stdout] 26: 0x5fa5346fd9d5 - 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: 0x5fa5346fd9d5 - std::panicking::try::do_call::hc813c79fd64b0a90 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5fa5346fd9d5 - std::panicking::try::h055c5de7e7bfc209 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 29: 0x5fa5346fd9d5 - std::panic::catch_unwind::h4265d6525195c807 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 30: 0x5fa5346fd9d5 - test::run_test_in_process::he72c277a35f96567 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:27 [INFO] [stdout] 31: 0x5fa5346fd9d5 - test::run_test::{{closure}}::h974e632522c0fbcf [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:568:43 [INFO] [stdout] 32: 0x5fa5346c59c4 - test::run_test::{{closure}}::hdc2c89ce8b601dda [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:598:41 [INFO] [stdout] 33: 0x5fa5346c59c4 - std::sys::backtrace::__rust_begin_short_backtrace::h342cb8e53aeb2076 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5fa5346c90f2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h67b1b5c1709ad95b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x5fa5346c90f2 - 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: 0x5fa5346c90f2 - std::panicking::try::do_call::h512c2ab2c15b7d31 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5fa5346c90f2 - std::panicking::try::h5c2903f8937bc868 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 38: 0x5fa5346c90f2 - std::panic::catch_unwind::h242c80217c2dbece [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 39: 0x5fa5346c90f2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6cb4494ebdd8caf7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x5fa5346c90f2 - 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: 0x5fa53488d57b - as core::ops::function::FnOnce>::call_once::ha1963004222e7822 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 42: 0x5fa53488d57b - as core::ops::function::FnOnce>::call_once::h1086ced1f7c494c2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 43: 0x5fa53488d57b - 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: 0x7d289079cac3 - [INFO] [stdout] 45: 0x7d289082da04 - 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 0.08s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "89ce2586f988efc20da84d2119ee68b56d0f9c87995715cb667f5f1c3a13e145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89ce2586f988efc20da84d2119ee68b56d0f9c87995715cb667f5f1c3a13e145", kill_on_drop: false }` [INFO] [stdout] 89ce2586f988efc20da84d2119ee68b56d0f9c87995715cb667f5f1c3a13e145