[INFO] cloning repository https://github.com/devansh-kumar-jha/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devansh-kumar-jha/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh-kumar-jha%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh-kumar-jha%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1de8dae7bc49704e5e3aef6907d61cccad2efb7d [INFO] testing devansh-kumar-jha/rustlings against 1.85.0 for beta-1.86-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevansh-kumar-jha%2Frustlings" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/devansh-kumar-jha/rustlings on toolchain 1.85.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/devansh-kumar-jha/rustlings [INFO] finished tweaking git repo https://github.com/devansh-kumar-jha/rustlings [INFO] tweaked toml for git repo https://github.com/devansh-kumar-jha/rustlings written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/devansh-kumar-jha/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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00e6a42753805fc0faa90f0fe3d7c744722b69f192a25e302be71af6326a2485 [INFO] running `Command { std: "docker" "start" "-a" "00e6a42753805fc0faa90f0fe3d7c744722b69f192a25e302be71af6326a2485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00e6a42753805fc0faa90f0fe3d7c744722b69f192a25e302be71af6326a2485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00e6a42753805fc0faa90f0fe3d7c744722b69f192a25e302be71af6326a2485", kill_on_drop: false }` [INFO] [stdout] 00e6a42753805fc0faa90f0fe3d7c744722b69f192a25e302be71af6326a2485 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2452d8c88d74b86e4759faa53447e1b84d1b8546232ec3d1ce26ee0a2ef9fcb [INFO] running `Command { std: "docker" "start" "-a" "c2452d8c88d74b86e4759faa53447e1b84d1b8546232ec3d1ce26ee0a2ef9fcb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.16 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.58s [INFO] running `Command { std: "docker" "inspect" "c2452d8c88d74b86e4759faa53447e1b84d1b8546232ec3d1ce26ee0a2ef9fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2452d8c88d74b86e4759faa53447e1b84d1b8546232ec3d1ce26ee0a2ef9fcb", kill_on_drop: false }` [INFO] [stdout] c2452d8c88d74b86e4759faa53447e1b84d1b8546232ec3d1ce26ee0a2ef9fcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e2f2e5f4595f999f6bb7eb5784f675328241bff5a216504b91b54cda640f2f5 [INFO] running `Command { std: "docker" "start" "-a" "5e2f2e5f4595f999f6bb7eb5784f675328241bff5a216504b91b54cda640f2f5", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling predicates v1.0.7 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.45s [INFO] running `Command { std: "docker" "inspect" "5e2f2e5f4595f999f6bb7eb5784f675328241bff5a216504b91b54cda640f2f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e2f2e5f4595f999f6bb7eb5784f675328241bff5a216504b91b54cda640f2f5", kill_on_drop: false }` [INFO] [stdout] 5e2f2e5f4595f999f6bb7eb5784f675328241bff5a216504b91b54cda640f2f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5a194899b5a981d9c737d81263638a07dbd3d713a8db37bfa03587ca4fbd2303 [INFO] running `Command { std: "docker" "start" "-a" "5a194899b5a981d9c737d81263638a07dbd3d713a8db37bfa03587ca4fbd2303", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-2b4863f9f13bfdcc) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:270:36: [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: 0x5ceab06a69da - std::backtrace_rs::backtrace::libunwind::trace::h88deb10bd0145eb8 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5ceab06a69da - std::backtrace_rs::backtrace::trace_unsynchronized::he1036f5481c14dff [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5ceab06a69da - std::sys::backtrace::_print_fmt::hecc345b6e70c4b20 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ceab06a69da - ::fmt::he089f96442833f67 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ceab06cc693 - core::fmt::rt::Argument::fmt::h1f77cded99c71a14 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5ceab06cc693 - core::fmt::write::h2f210ed4c94745cb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x5ceab06a3ae3 - std::io::Write::write_fmt::he723b56f7e0bd522 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x5ceab06a6822 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5ceab06a7f10 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5ceab06a7cad - std::panicking::default_hook::h24e207139139d40a [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:319:9 [INFO] [stdout] 10: 0x5ceab054a4b3 - as core::ops::function::Fn>::call::h63353c459bb27956 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 11: 0x5ceab054a4b3 - test::test_main::{{closure}}::hd5af4d6c4e32fe08 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x5ceab06a8743 - as core::ops::function::Fn>::call::h3af32c23caf5c679 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 13: 0x5ceab06a8743 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:836:13 [INFO] [stdout] 14: 0x5ceab06a841a - std::panicking::begin_panic_handler::{{closure}}::h1bba0eaeb6da506f [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:701:13 [INFO] [stdout] 15: 0x5ceab06a6ed9 - std::sys::backtrace::__rust_end_short_backtrace::h1d1ca3eade483f4c [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5ceab06a80ad - rust_begin_unwind [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:692:5 [INFO] [stdout] 17: 0x5ceab05003a0 - core::panicking::panic_fmt::h896a0727a1a943f9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5ceab0500816 - core::result::unwrap_failed::h1b5ed8541c7bebd6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x5ceab050689a - core::result::Result::unwrap::h44a5d868f8b0eb27 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x5ceab050689a - rustlings::exercise::test::test_clean::h659db01fc0b4cd4b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 21: 0x5ceab05067d7 - rustlings::exercise::test::test_clean::{{closure}}::h2b69bbee444ee931 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:20 [INFO] [stdout] 22: 0x5ceab05021c6 - core::ops::function::FnOnce::call_once::h615895f713f468e8 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5ceab054fc5b - core::ops::function::FnOnce::call_once::h8acc80b5a33ff319 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5ceab054fc5b - test::__rust_begin_short_backtrace::h52b6da716ad42b7d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x5ceab054eb93 - test::run_test_in_process::{{closure}}::h2580047890abbefe [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x5ceab054eb93 - as core::ops::function::FnOnce<()>>::call_once::h936f8c89d0a99c40 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5ceab054eb93 - std::panicking::try::do_call::h868682cc368697f9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40 [INFO] [stdout] 28: 0x5ceab054eb93 - std::panicking::try::h0356ffc38cbb5501 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19 [INFO] [stdout] 29: 0x5ceab054eb93 - std::panic::catch_unwind::h74edf102a3082536 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5ceab054eb93 - test::run_test_in_process::hc27d69576b7224e4 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x5ceab054eb93 - test::run_test::{{closure}}::h9f3bfaf910429adb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x5ceab05128c5 - test::run_test::{{closure}}::h3d537cdce8ec5816 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x5ceab05128c5 - std::sys::backtrace::__rust_begin_short_backtrace::hb51d9a6c67ec382d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5ceab0516306 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5738f3abb9603fe6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:564:17 [INFO] [stdout] 35: 0x5ceab0516306 - as core::ops::function::FnOnce<()>>::call_once::h5e9f4b56e45e8108 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5ceab0516306 - std::panicking::try::do_call::ha36db853b2f34e23 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40 [INFO] [stdout] 37: 0x5ceab0516306 - std::panicking::try::h57e1aa33a0efb1be [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19 [INFO] [stdout] 38: 0x5ceab0516306 - std::panic::catch_unwind::hdb71a6103024936e [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5ceab0516306 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8caa22218f423ab1 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:562:30 [INFO] [stdout] 40: 0x5ceab0516306 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb3b44780e9c053e5 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5ceab06ac7db - as core::ops::function::FnOnce>::call_once::h2649f14f1b1c150d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 42: 0x5ceab06ac7db - as core::ops::function::FnOnce>::call_once::hb2ade58cb34e1bc4 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 43: 0x5ceab06ac7db - std::sys::pal::unix::thread::Thread::new::thread_start::ha07e360225fa3528 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x77164ec00ac3 - [INFO] [stdout] 45: 0x77164ec91a04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:343:38: [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/./rmetaHG4JWw\"\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: 0x5ceab06a69da - std::backtrace_rs::backtrace::libunwind::trace::h88deb10bd0145eb8 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x5ceab06a69da - std::backtrace_rs::backtrace::trace_unsynchronized::he1036f5481c14dff [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5ceab06a69da - std::sys::backtrace::_print_fmt::hecc345b6e70c4b20 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ceab06a69da - ::fmt::he089f96442833f67 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ceab06cc693 - core::fmt::rt::Argument::fmt::h1f77cded99c71a14 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x5ceab06cc693 - core::fmt::write::h2f210ed4c94745cb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x5ceab06a3ae3 - std::io::Write::write_fmt::he723b56f7e0bd522 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x5ceab06a6822 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x5ceab06a7f10 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5ceab06a7cad - std::panicking::default_hook::h24e207139139d40a [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:319:9 [INFO] [stdout] 10: 0x5ceab054a4b3 - as core::ops::function::Fn>::call::h63353c459bb27956 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 11: 0x5ceab054a4b3 - test::test_main::{{closure}}::hd5af4d6c4e32fe08 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x5ceab06a8743 - as core::ops::function::Fn>::call::h3af32c23caf5c679 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 13: 0x5ceab06a8743 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:836:13 [INFO] [stdout] 14: 0x5ceab06a841a - std::panicking::begin_panic_handler::{{closure}}::h1bba0eaeb6da506f [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:701:13 [INFO] [stdout] 15: 0x5ceab06a6ed9 - std::sys::backtrace::__rust_end_short_backtrace::h1d1ca3eade483f4c [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x5ceab06a80ad - rust_begin_unwind [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:692:5 [INFO] [stdout] 17: 0x5ceab05003a0 - core::panicking::panic_fmt::h896a0727a1a943f9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x5ceab0500816 - core::result::unwrap_failed::h1b5ed8541c7bebd6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x5ceab05076f6 - core::result::Result::unwrap::he5bf860ad13fd61e [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x5ceab05076f6 - rustlings::exercise::test::test_exercise_with_output::hd1b68f1716726045 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 21: 0x5ceab0507507 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::ha1ed032e35122073 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:35 [INFO] [stdout] 22: 0x5ceab0502166 - core::ops::function::FnOnce::call_once::h26618ac17297b0b9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5ceab054fc5b - core::ops::function::FnOnce::call_once::h8acc80b5a33ff319 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5ceab054fc5b - test::__rust_begin_short_backtrace::h52b6da716ad42b7d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x5ceab054eb93 - test::run_test_in_process::{{closure}}::h2580047890abbefe [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x5ceab054eb93 - as core::ops::function::FnOnce<()>>::call_once::h936f8c89d0a99c40 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5ceab054eb93 - std::panicking::try::do_call::h868682cc368697f9 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40 [INFO] [stdout] 28: 0x5ceab054eb93 - std::panicking::try::h0356ffc38cbb5501 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19 [INFO] [stdout] 29: 0x5ceab054eb93 - std::panic::catch_unwind::h74edf102a3082536 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x5ceab054eb93 - test::run_test_in_process::hc27d69576b7224e4 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x5ceab054eb93 - test::run_test::{{closure}}::h9f3bfaf910429adb [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x5ceab05128c5 - test::run_test::{{closure}}::h3d537cdce8ec5816 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x5ceab05128c5 - std::sys::backtrace::__rust_begin_short_backtrace::hb51d9a6c67ec382d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x5ceab0516306 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5738f3abb9603fe6 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:564:17 [INFO] [stdout] 35: 0x5ceab0516306 - as core::ops::function::FnOnce<()>>::call_once::h5e9f4b56e45e8108 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5ceab0516306 - std::panicking::try::do_call::ha36db853b2f34e23 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:584:40 [INFO] [stdout] 37: 0x5ceab0516306 - std::panicking::try::h57e1aa33a0efb1be [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panicking.rs:547:19 [INFO] [stdout] 38: 0x5ceab0516306 - std::panic::catch_unwind::hdb71a6103024936e [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x5ceab0516306 - std::thread::Builder::spawn_unchecked_::{{closure}}::h8caa22218f423ab1 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/thread/mod.rs:562:30 [INFO] [stdout] 40: 0x5ceab0516306 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb3b44780e9c053e5 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5ceab06ac7db - as core::ops::function::FnOnce>::call_once::h2649f14f1b1c150d [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 42: 0x5ceab06ac7db - as core::ops::function::FnOnce>::call_once::hb2ade58cb34e1bc4 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 43: 0x5ceab06ac7db - std::sys::pal::unix::thread::Thread::new::thread_start::ha07e360225fa3528 [INFO] [stdout] at /rustc/4d91de4e48198da2e33413efdcd9cd2cc0c46688/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x77164ec00ac3 - [INFO] [stdout] 45: 0x77164ec91a04 - 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 0.21s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "5a194899b5a981d9c737d81263638a07dbd3d713a8db37bfa03587ca4fbd2303", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a194899b5a981d9c737d81263638a07dbd3d713a8db37bfa03587ca4fbd2303", kill_on_drop: false }` [INFO] [stdout] 5a194899b5a981d9c737d81263638a07dbd3d713a8db37bfa03587ca4fbd2303