[INFO] cloning repository https://github.com/IIIzP0III/rustlingz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IIIzP0III/rustlingz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIIIzP0III%2Frustlingz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIIIzP0III%2Frustlingz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e70b592b8a9dbfb4c2bb6380a3c699c6c496ed1c [INFO] testing IIIzP0III/rustlingz/e70b592b8a9dbfb4c2bb6380a3c699c6c496ed1c against 1.82.0 for beta-1.83-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIIIzP0III%2Frustlingz" "/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/IIIzP0III/rustlingz on toolchain 1.82.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.82.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/IIIzP0III/rustlingz [INFO] finished tweaking git repo https://github.com/IIIzP0III/rustlingz [INFO] tweaked toml for git repo https://github.com/IIIzP0III/rustlingz written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/IIIzP0III/rustlingz 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" "+1.82.0" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 443b0474d0f44985f86476390d591f9d1737d217e9ebd4aad05cdeb977c6a449 [INFO] running `Command { std: "docker" "start" "-a" "443b0474d0f44985f86476390d591f9d1737d217e9ebd4aad05cdeb977c6a449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "443b0474d0f44985f86476390d591f9d1737d217e9ebd4aad05cdeb977c6a449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443b0474d0f44985f86476390d591f9d1737d217e9ebd4aad05cdeb977c6a449", kill_on_drop: false }` [INFO] [stdout] 443b0474d0f44985f86476390d591f9d1737d217e9ebd4aad05cdeb977c6a449 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 643c2256c59380c8b38f33ceda7f328161b951616a6d12fa58d720fa96a894a2 [INFO] running `Command { std: "docker" "start" "-a" "643c2256c59380c8b38f33ceda7f328161b951616a6d12fa58d720fa96a894a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.140 [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 anstyle-parse v0.2.1 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling portable-atomic v1.4.3 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling anstyle v1.0.3 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling anstream v0.5.0 [INFO] [stderr] Compiling clap_lex v0.5.1 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling winnow v0.5.15 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling syn v2.0.8 [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 bitflags v1.3.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling console v0.15.5 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling clap_builder v4.4.2 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling filetime v0.2.20 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling indicatif v0.17.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling home v0.5.4 [INFO] [stderr] Compiling glob v0.3.1 [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 serde_spanned v0.6.3 [INFO] [stderr] Compiling toml_datetime 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 9.97s [INFO] running `Command { std: "docker" "inspect" "643c2256c59380c8b38f33ceda7f328161b951616a6d12fa58d720fa96a894a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "643c2256c59380c8b38f33ceda7f328161b951616a6d12fa58d720fa96a894a2", kill_on_drop: false }` [INFO] [stdout] 643c2256c59380c8b38f33ceda7f328161b951616a6d12fa58d720fa96a894a2 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52ce7c9108a4625bc44755c1bdcd3f06c017598062e5f3b14a437d7638bb2d80 [INFO] running `Command { std: "docker" "start" "-a" "52ce7c9108a4625bc44755c1bdcd3f06c017598062e5f3b14a437d7638bb2d80", 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 termtree v0.4.1 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [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 2.93s [INFO] running `Command { std: "docker" "inspect" "52ce7c9108a4625bc44755c1bdcd3f06c017598062e5f3b14a437d7638bb2d80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52ce7c9108a4625bc44755c1bdcd3f06c017598062e5f3b14a437d7638bb2d80", kill_on_drop: false }` [INFO] [stdout] 52ce7c9108a4625bc44755c1bdcd3f06c017598062e5f3b14a437d7638bb2d80 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ef232a24c60e7d2b4f02dee6c5f4ce44432192fa7a96863b8d65fad1ef3de1b0 [INFO] running `Command { std: "docker" "start" "-a" "ef232a24c60e7d2b4f02dee6c5f4ce44432192fa7a96863b8d65fad1ef3de1b0", 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-66910b2b60a9f469) [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:273:35: [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: 0x635b123d3ada - std::backtrace_rs::backtrace::libunwind::trace::h99efb0985cae5d78 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x635b123d3ada - std::backtrace_rs::backtrace::trace_unsynchronized::he2c1aa63b3f7fad8 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x635b123d3ada - std::sys::backtrace::_print_fmt::h8a221d40f5e0f88b [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x635b123d3ada - ::fmt::h304520fd6a30aa07 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x635b123f9a9b - core::fmt::rt::Argument::fmt::h5da9c218ec984eaf [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x635b123f9a9b - core::fmt::write::hf5713710ce10ff22 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x635b123d0cf3 - std::io::Write::write_fmt::h786683024e26df0d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x635b123d52e2 - std::sys::backtrace::BacktraceLock::print::hbcdbec4d97c91528 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x635b123d52e2 - std::panicking::default_hook::{{closure}}::he1ad87607d0c11c5 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x635b123d4e23 - std::panicking::default_hook::h81c8cd2e7c59ee33 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x635b1224f3a9 - as core::ops::function::Fn>::call::h6ef31d9fe3b4da7d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2245:9 [INFO] [stdout] 11: 0x635b1224f3a9 - test::test_main::{{closure}}::h97736fed204a235d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x635b123d5ba2 - as core::ops::function::Fn>::call::h375ef7f99b271d16 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2245:9 [INFO] [stdout] 13: 0x635b123d5ba2 - std::panicking::rust_panic_with_hook::had2118629c312a4a [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x635b123d5857 - std::panicking::begin_panic_handler::{{closure}}::h7fa5985d111bafa2 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x635b123d3fb9 - std::sys::backtrace::__rust_end_short_backtrace::h704d151dbefa09c5 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x635b123d54e4 - rust_begin_unwind [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x635b1220a1e3 - core::panicking::panic_fmt::h3eea515d05f7a35e [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x635b1220a736 - core::result::unwrap_failed::h7c8d8bbbcf45dc13 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/result.rs:1677:5 [INFO] [stdout] 19: 0x635b122110e2 - core::result::Result::unwrap::hdda2eb7650375c8d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x635b122110e2 - rustlings::exercise::test::test_clean::hc710604b3550ffd8 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:273:9 [INFO] [stdout] 21: 0x635b12211067 - rustlings::exercise::test::test_clean::{{closure}}::h95418be826238c1e [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:272:20 [INFO] [stdout] 22: 0x635b1220c2b6 - core::ops::function::FnOnce::call_once::h39095988faa9a19f [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x635b12253cab - core::ops::function::FnOnce::call_once::h8cb4701a559728b6 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x635b12253cab - test::__rust_begin_short_backtrace::hbd02dbd41797127f [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x635b12253598 - test::run_test_in_process::{{closure}}::h9b9c40b959cf4b0a [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x635b12253598 - as core::ops::function::FnOnce<()>>::call_once::h80ca0f237bf0daa4 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x635b12253598 - std::panicking::try::do_call::h74ee75d3e2d7ba36 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x635b12253598 - std::panicking::try::h2ae7db1dc2a281fc [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x635b12253598 - std::panic::catch_unwind::h25732d5472f1001d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x635b12253598 - test::run_test_in_process::h1e17135aacb29db6 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x635b12253598 - test::run_test::{{closure}}::h65f9c94bff1a7861 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x635b12218964 - test::run_test::{{closure}}::ha23ee43b6be2939d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x635b12218964 - std::sys::backtrace::__rust_begin_short_backtrace::h160ed2f20abbd124 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x635b1221c012 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h076d93a5dd61b367 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/thread/mod.rs:522:17 [INFO] [stdout] 35: 0x635b1221c012 - as core::ops::function::FnOnce<()>>::call_once::hb7dffecae4d2a0df [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x635b1221c012 - std::panicking::try::do_call::h425c243d1cd119a5 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x635b1221c012 - std::panicking::try::h5ff57b1fa4d0634d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x635b1221c012 - std::panic::catch_unwind::h69dc0395c7d606c8 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x635b1221c012 - std::thread::Builder::spawn_unchecked_::{{closure}}::hd987ad26725d6b64 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/thread/mod.rs:521:30 [INFO] [stdout] 40: 0x635b1221c012 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h262984108de629b4 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x635b123d9d8b - as core::ops::function::FnOnce>::call_once::hd6eefa32c9acf934 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2231:9 [INFO] [stdout] 42: 0x635b123d9d8b - as core::ops::function::FnOnce>::call_once::h6bca3a1f077b8c81 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2231:9 [INFO] [stdout] 43: 0x635b123d9d8b - std::sys::pal::unix::thread::Thread::new::thread_start::hcdbd1049068002f4 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7e3f3fc1eac3 - [INFO] [stdout] 45: 0x7e3f3fcafa04 - 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:346:38: [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/./rmetaY7PMfO\"\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: 0x635b123d3ada - std::backtrace_rs::backtrace::libunwind::trace::h99efb0985cae5d78 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x635b123d3ada - std::backtrace_rs::backtrace::trace_unsynchronized::he2c1aa63b3f7fad8 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x635b123d3ada - std::sys::backtrace::_print_fmt::h8a221d40f5e0f88b [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x635b123d3ada - ::fmt::h304520fd6a30aa07 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x635b123f9a9b - core::fmt::rt::Argument::fmt::h5da9c218ec984eaf [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x635b123f9a9b - core::fmt::write::hf5713710ce10ff22 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x635b123d0cf3 - std::io::Write::write_fmt::h786683024e26df0d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x635b123d52e2 - std::sys::backtrace::BacktraceLock::print::hbcdbec4d97c91528 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x635b123d52e2 - std::panicking::default_hook::{{closure}}::he1ad87607d0c11c5 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x635b123d4e23 - std::panicking::default_hook::h81c8cd2e7c59ee33 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x635b1224f3a9 - as core::ops::function::Fn>::call::h6ef31d9fe3b4da7d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2245:9 [INFO] [stdout] 11: 0x635b1224f3a9 - test::test_main::{{closure}}::h97736fed204a235d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x635b123d5ba2 - as core::ops::function::Fn>::call::h375ef7f99b271d16 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2245:9 [INFO] [stdout] 13: 0x635b123d5ba2 - std::panicking::rust_panic_with_hook::had2118629c312a4a [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x635b123d5857 - std::panicking::begin_panic_handler::{{closure}}::h7fa5985d111bafa2 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x635b123d3fb9 - std::sys::backtrace::__rust_end_short_backtrace::h704d151dbefa09c5 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x635b123d54e4 - rust_begin_unwind [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x635b1220a1e3 - core::panicking::panic_fmt::h3eea515d05f7a35e [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x635b1220a736 - core::result::unwrap_failed::h7c8d8bbbcf45dc13 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/result.rs:1677:5 [INFO] [stdout] 19: 0x635b12211f1a - core::result::Result::unwrap::h28b51dc95656b69a [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x635b12211f1a - rustlings::exercise::test::test_exercise_with_output::h7a53a38d399e60f7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:346:19 [INFO] [stdout] 21: 0x635b12211d27 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h6f2597796d66db33 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:339:35 [INFO] [stdout] 22: 0x635b1220c386 - core::ops::function::FnOnce::call_once::h846587987437c867 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x635b12253cab - core::ops::function::FnOnce::call_once::h8cb4701a559728b6 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x635b12253cab - test::__rust_begin_short_backtrace::hbd02dbd41797127f [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x635b12253598 - test::run_test_in_process::{{closure}}::h9b9c40b959cf4b0a [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x635b12253598 - as core::ops::function::FnOnce<()>>::call_once::h80ca0f237bf0daa4 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x635b12253598 - std::panicking::try::do_call::h74ee75d3e2d7ba36 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x635b12253598 - std::panicking::try::h2ae7db1dc2a281fc [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x635b12253598 - std::panic::catch_unwind::h25732d5472f1001d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x635b12253598 - test::run_test_in_process::h1e17135aacb29db6 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x635b12253598 - test::run_test::{{closure}}::h65f9c94bff1a7861 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x635b12218964 - test::run_test::{{closure}}::ha23ee43b6be2939d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x635b12218964 - std::sys::backtrace::__rust_begin_short_backtrace::h160ed2f20abbd124 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x635b1221c012 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h076d93a5dd61b367 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/thread/mod.rs:522:17 [INFO] [stdout] 35: 0x635b1221c012 - as core::ops::function::FnOnce<()>>::call_once::hb7dffecae4d2a0df [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x635b1221c012 - std::panicking::try::do_call::h425c243d1cd119a5 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x635b1221c012 - std::panicking::try::h5ff57b1fa4d0634d [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x635b1221c012 - std::panic::catch_unwind::h69dc0395c7d606c8 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x635b1221c012 - std::thread::Builder::spawn_unchecked_::{{closure}}::hd987ad26725d6b64 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/thread/mod.rs:521:30 [INFO] [stdout] 40: 0x635b1221c012 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h262984108de629b4 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x635b123d9d8b - as core::ops::function::FnOnce>::call_once::hd6eefa32c9acf934 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2231:9 [INFO] [stdout] 42: 0x635b123d9d8b - as core::ops::function::FnOnce>::call_once::h6bca3a1f077b8c81 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/alloc/src/boxed.rs:2231:9 [INFO] [stdout] 43: 0x635b123d9d8b - std::sys::pal::unix::thread::Thread::new::thread_start::hcdbd1049068002f4 [INFO] [stdout] at /rustc/f6e511eec7342f59a25f7c0534f1dbea00d01b14/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7e3f3fc1eac3 - [INFO] [stdout] 45: 0x7e3f3fcafa04 - 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 0.06s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "ef232a24c60e7d2b4f02dee6c5f4ce44432192fa7a96863b8d65fad1ef3de1b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef232a24c60e7d2b4f02dee6c5f4ce44432192fa7a96863b8d65fad1ef3de1b0", kill_on_drop: false }` [INFO] [stdout] ef232a24c60e7d2b4f02dee6c5f4ce44432192fa7a96863b8d65fad1ef3de1b0