[INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: index-pack failed [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/ethanolx/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanolx/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4fbc0a5bc2a83b128a491f96024a0848cb979f1a [INFO] testing ethanolx/rustlings/4fbc0a5bc2a83b128a491f96024a0848cb979f1a against 1.81.0 for beta-1.82-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanolx%2Frustlings" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ethanolx/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/ethanolx/rustlings [INFO] finished tweaking git repo https://github.com/ethanolx/rustlings [INFO] tweaked toml for git repo https://github.com/ethanolx/rustlings written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ethanolx/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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 78e6fdffbbfa5e3dcfc55c651dcf313d2dba8aeaef97539be7aa6525ef13a479 [INFO] running `Command { std: "docker" "start" "-a" "78e6fdffbbfa5e3dcfc55c651dcf313d2dba8aeaef97539be7aa6525ef13a479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78e6fdffbbfa5e3dcfc55c651dcf313d2dba8aeaef97539be7aa6525ef13a479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e6fdffbbfa5e3dcfc55c651dcf313d2dba8aeaef97539be7aa6525ef13a479", kill_on_drop: false }` [INFO] [stdout] 78e6fdffbbfa5e3dcfc55c651dcf313d2dba8aeaef97539be7aa6525ef13a479 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 02483382a0385487e0ae4f8d63f99a26b346798c1421a64bfe951446b224d3e8 [INFO] running `Command { std: "docker" "start" "-a" "02483382a0385487e0ae4f8d63f99a26b346798c1421a64bfe951446b224d3e8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling same-file v1.0.6 [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 serde_json v1.0.102 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.65s [INFO] running `Command { std: "docker" "inspect" "02483382a0385487e0ae4f8d63f99a26b346798c1421a64bfe951446b224d3e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02483382a0385487e0ae4f8d63f99a26b346798c1421a64bfe951446b224d3e8", kill_on_drop: false }` [INFO] [stdout] 02483382a0385487e0ae4f8d63f99a26b346798c1421a64bfe951446b224d3e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bf1a30ffca48f32047719df387c93fa47e5a14b9cbf69d01d75bf5bb9cbe43d6 [INFO] running `Command { std: "docker" "start" "-a" "bf1a30ffca48f32047719df387c93fa47e5a14b9cbf69d01d75bf5bb9cbe43d6", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "bf1a30ffca48f32047719df387c93fa47e5a14b9cbf69d01d75bf5bb9cbe43d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf1a30ffca48f32047719df387c93fa47e5a14b9cbf69d01d75bf5bb9cbe43d6", kill_on_drop: false }` [INFO] [stdout] bf1a30ffca48f32047719df387c93fa47e5a14b9cbf69d01d75bf5bb9cbe43d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 06e1a60107599fcc08ea4eb13fdd51ae2a26a65e8661174c28d222fa6c27849e [INFO] running `Command { std: "docker" "start" "-a" "06e1a60107599fcc08ea4eb13fdd51ae2a26a65e8661174c28d222fa6c27849e", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-ba95103a80d9856a) [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:273:36: [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: 0x5f342d416995 - 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: 0x5f342d416995 - 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: 0x5f342d416995 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5 [INFO] [stdout] 3: 0x5f342d416995 - ::fmt::h1b9dad2a88e955ff [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26 [INFO] [stdout] 4: 0x5f342d43c4eb - core::fmt::rt::Argument::fmt::h351a7824f737a6a0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5f342d43c4eb - core::fmt::write::h4b5a1270214bc4a7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21 [INFO] [stdout] 6: 0x5f342d41429f - std::io::Write::write_fmt::h9d1e399061051a36 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15 [INFO] [stdout] 7: 0x5f342d4181b1 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9 [INFO] [stdout] 8: 0x5f342d4181b1 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22 [INFO] [stdout] 9: 0x5f342d417d58 - std::panicking::default_hook::h3cacb9c27561ad33 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:293:9 [INFO] [stdout] 10: 0x5f342d19ffca - as core::ops::function::Fn>::call::hd212b1446b2b2077 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 11: 0x5f342d19ffca - test::test_main::{{closure}}::hd15ff34f3f68988b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x5f342d418a4f - as core::ops::function::Fn>::call::hce7569f4ca5d1b64 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 13: 0x5f342d418a4f - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13 [INFO] [stdout] 14: 0x5f342d418677 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5f342d416e59 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5f342d418304 - rust_begin_unwind [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5f342d1588e3 - core::panicking::panic_fmt::h3d8fc78294164da7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x5f342d158e36 - core::result::unwrap_failed::hfa79a499befff387 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x5f342d1643da - core::result::Result::unwrap::h33ee4ffc8df1c706 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x5f342d1643da - rustlings::exercise::test::test_clean::ha70ea7533e50d25b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:273:9 [INFO] [stdout] 21: 0x5f342d164317 - rustlings::exercise::test::test_clean::{{closure}}::h4211fc91835ee5bf [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:272:20 [INFO] [stdout] 22: 0x5f342d1619f6 - core::ops::function::FnOnce::call_once::hbb99a71fe87ec817 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5f342d1a460b - core::ops::function::FnOnce::call_once::h81f56a195fe4862e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5f342d1a460b - test::__rust_begin_short_backtrace::h919c79c8b896f9e2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:624:18 [INFO] [stdout] 25: 0x5f342d1a3eb5 - test::run_test_in_process::{{closure}}::h7b3d5751c5b4dd75 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:60 [INFO] [stdout] 26: 0x5f342d1a3eb5 - 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: 0x5f342d1a3eb5 - std::panicking::try::do_call::hc813c79fd64b0a90 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5f342d1a3eb5 - std::panicking::try::h055c5de7e7bfc209 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 29: 0x5f342d1a3eb5 - std::panic::catch_unwind::h4265d6525195c807 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 30: 0x5f342d1a3eb5 - test::run_test_in_process::he72c277a35f96567 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:27 [INFO] [stdout] 31: 0x5f342d1a3eb5 - test::run_test::{{closure}}::h974e632522c0fbcf [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:568:43 [INFO] [stdout] 32: 0x5f342d16bea4 - test::run_test::{{closure}}::hdc2c89ce8b601dda [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:598:41 [INFO] [stdout] 33: 0x5f342d16bea4 - std::sys::backtrace::__rust_begin_short_backtrace::h342cb8e53aeb2076 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5f342d16f5d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h67b1b5c1709ad95b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x5f342d16f5d2 - 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: 0x5f342d16f5d2 - std::panicking::try::do_call::h512c2ab2c15b7d31 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5f342d16f5d2 - std::panicking::try::h5c2903f8937bc868 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 38: 0x5f342d16f5d2 - std::panic::catch_unwind::h242c80217c2dbece [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 39: 0x5f342d16f5d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6cb4494ebdd8caf7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x5f342d16f5d2 - 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: 0x5f342d41cceb - as core::ops::function::FnOnce>::call_once::ha1963004222e7822 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 42: 0x5f342d41cceb - as core::ops::function::FnOnce>::call_once::h1086ced1f7c494c2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 43: 0x5f342d41cceb - 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: 0x7a5b15860ac3 - [INFO] [stdout] 45: 0x7a5b158f1a04 - 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/./rmetaDL3J5t\"\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: 0x5f342d416995 - 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: 0x5f342d416995 - 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: 0x5f342d416995 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5 [INFO] [stdout] 3: 0x5f342d416995 - ::fmt::h1b9dad2a88e955ff [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26 [INFO] [stdout] 4: 0x5f342d43c4eb - core::fmt::rt::Argument::fmt::h351a7824f737a6a0 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5f342d43c4eb - core::fmt::write::h4b5a1270214bc4a7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21 [INFO] [stdout] 6: 0x5f342d41429f - std::io::Write::write_fmt::h9d1e399061051a36 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15 [INFO] [stdout] 7: 0x5f342d4181b1 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9 [INFO] [stdout] 8: 0x5f342d4181b1 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22 [INFO] [stdout] 9: 0x5f342d417d58 - std::panicking::default_hook::h3cacb9c27561ad33 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:293:9 [INFO] [stdout] 10: 0x5f342d19ffca - as core::ops::function::Fn>::call::hd212b1446b2b2077 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 11: 0x5f342d19ffca - test::test_main::{{closure}}::hd15ff34f3f68988b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:136:21 [INFO] [stdout] 12: 0x5f342d418a4f - as core::ops::function::Fn>::call::hce7569f4ca5d1b64 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9 [INFO] [stdout] 13: 0x5f342d418a4f - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13 [INFO] [stdout] 14: 0x5f342d418677 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x5f342d416e59 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5f342d418304 - rust_begin_unwind [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x5f342d1588e3 - core::panicking::panic_fmt::h3d8fc78294164da7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x5f342d158e36 - core::result::unwrap_failed::hfa79a499befff387 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x5f342d16522a - core::result::Result::unwrap::h6d24a88dae33af09 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x5f342d16522a - rustlings::exercise::test::test_exercise_with_output::hffe91cf660cc9644 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:346:19 [INFO] [stdout] 21: 0x5f342d165037 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hc746c2c6cfae434c [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:339:35 [INFO] [stdout] 22: 0x5f342d1618d6 - core::ops::function::FnOnce::call_once::h1e12450e76607de9 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5f342d1a460b - core::ops::function::FnOnce::call_once::h81f56a195fe4862e [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5f342d1a460b - test::__rust_begin_short_backtrace::h919c79c8b896f9e2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:624:18 [INFO] [stdout] 25: 0x5f342d1a3eb5 - test::run_test_in_process::{{closure}}::h7b3d5751c5b4dd75 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:60 [INFO] [stdout] 26: 0x5f342d1a3eb5 - 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: 0x5f342d1a3eb5 - std::panicking::try::do_call::hc813c79fd64b0a90 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x5f342d1a3eb5 - std::panicking::try::h055c5de7e7bfc209 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 29: 0x5f342d1a3eb5 - std::panic::catch_unwind::h4265d6525195c807 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 30: 0x5f342d1a3eb5 - test::run_test_in_process::he72c277a35f96567 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:647:27 [INFO] [stdout] 31: 0x5f342d1a3eb5 - test::run_test::{{closure}}::h974e632522c0fbcf [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:568:43 [INFO] [stdout] 32: 0x5f342d16bea4 - test::run_test::{{closure}}::hdc2c89ce8b601dda [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/test/src/lib.rs:598:41 [INFO] [stdout] 33: 0x5f342d16bea4 - std::sys::backtrace::__rust_begin_short_backtrace::h342cb8e53aeb2076 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5f342d16f5d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h67b1b5c1709ad95b [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:538:17 [INFO] [stdout] 35: 0x5f342d16f5d2 - 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: 0x5f342d16f5d2 - std::panicking::try::do_call::h512c2ab2c15b7d31 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x5f342d16f5d2 - std::panicking::try::h5c2903f8937bc868 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19 [INFO] [stdout] 38: 0x5f342d16f5d2 - std::panic::catch_unwind::h242c80217c2dbece [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14 [INFO] [stdout] 39: 0x5f342d16f5d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6cb4494ebdd8caf7 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/thread/mod.rs:537:30 [INFO] [stdout] 40: 0x5f342d16f5d2 - 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: 0x5f342d41cceb - as core::ops::function::FnOnce>::call_once::ha1963004222e7822 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 42: 0x5f342d41cceb - as core::ops::function::FnOnce>::call_once::h1086ced1f7c494c2 [INFO] [stdout] at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2070:9 [INFO] [stdout] 43: 0x5f342d41cceb - 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: 0x7a5b15860ac3 - [INFO] [stdout] 45: 0x7a5b158f1a04 - 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" "06e1a60107599fcc08ea4eb13fdd51ae2a26a65e8661174c28d222fa6c27849e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06e1a60107599fcc08ea4eb13fdd51ae2a26a65e8661174c28d222fa6c27849e", kill_on_drop: false }` [INFO] [stdout] 06e1a60107599fcc08ea4eb13fdd51ae2a26a65e8661174c28d222fa6c27849e