[INFO] cloning repository https://github.com/harrjdk/rustling-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harrjdk/rustling-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrjdk%2Frustling-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrjdk%2Frustling-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fca4a241b1e4031d947e2b46e5867196f9f476a1 [INFO] testing harrjdk/rustling-solutions against nightly-2025-01-18 for randomize-layout-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrjdk%2Frustling-solutions" "/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/harrjdk/rustling-solutions on toolchain nightly-2025-01-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/harrjdk/rustling-solutions [INFO] finished tweaking git repo https://github.com/harrjdk/rustling-solutions [INFO] tweaked toml for git repo https://github.com/harrjdk/rustling-solutions written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/harrjdk/rustling-solutions 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded serde_derive v1.0.129 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded predicates v1.0.8 [INFO] [stderr] Downloaded argh_shared v0.1.5 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded argh_derive v0.1.5 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded slab v0.4.4 [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded unicode-segmentation v1.8.0 [INFO] [stderr] Downloaded mio v0.6.23 [INFO] [stderr] Downloaded serde_json v1.0.66 [INFO] [stderr] Downloaded serde v1.0.129 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded syn v1.0.75 [INFO] [stderr] Downloaded toml v0.4.10 [INFO] [stderr] Downloaded argh v0.1.5 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded miow v0.2.2 [INFO] [stderr] Downloaded net2 v0.2.37 [INFO] [stderr] Downloaded console v0.7.7 [INFO] [stderr] Downloaded lock_api v0.4.4 [INFO] [stderr] Downloaded mio-extras v2.0.6 [INFO] [stderr] Downloaded walkdir v2.3.2 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.3 [INFO] [stderr] Downloaded clicolors-control v1.0.1 [INFO] [stderr] Downloaded termios v0.3.3 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded console v0.14.1 [INFO] [stderr] Downloaded number_prefix v0.2.8 [INFO] [stderr] Downloaded libc v0.2.100 [INFO] [stderr] Downloaded instant v0.1.10 [INFO] [stderr] Downloaded indicatif v0.10.3 [INFO] [stderr] Downloaded filetime v0.2.15 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.28 [INFO] [stderr] Downloaded predicates-core v1.0.2 [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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49c2adf246eb206574f902cdc11d8058d63861b2c9305f6a4c67961babe04485 [INFO] running `Command { std: "docker" "start" "-a" "49c2adf246eb206574f902cdc11d8058d63861b2c9305f6a4c67961babe04485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49c2adf246eb206574f902cdc11d8058d63861b2c9305f6a4c67961babe04485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49c2adf246eb206574f902cdc11d8058d63861b2c9305f6a4c67961babe04485", kill_on_drop: false }` [INFO] [stdout] 49c2adf246eb206574f902cdc11d8058d63861b2c9305f6a4c67961babe04485 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 035a76fc88bec7a7dc8948f06202030acf947e7f01d8b49ea7c38a66e0a79280 [INFO] running `Command { std: "docker" "start" "-a" "035a76fc88bec7a7dc8948f06202030acf947e7f01d8b49ea7c38a66e0a79280", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot v0.11.1 [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 v1.5.4 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.94s [INFO] running `Command { std: "docker" "inspect" "035a76fc88bec7a7dc8948f06202030acf947e7f01d8b49ea7c38a66e0a79280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "035a76fc88bec7a7dc8948f06202030acf947e7f01d8b49ea7c38a66e0a79280", kill_on_drop: false }` [INFO] [stdout] 035a76fc88bec7a7dc8948f06202030acf947e7f01d8b49ea7c38a66e0a79280 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 130888fb8d1e6d8dc0040116cd47fa6c836695d0fc479bdedd6bc1011c36aa13 [INFO] running `Command { std: "docker" "start" "-a" "130888fb8d1e6d8dc0040116cd47fa6c836695d0fc479bdedd6bc1011c36aa13", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.83s [INFO] running `Command { std: "docker" "inspect" "130888fb8d1e6d8dc0040116cd47fa6c836695d0fc479bdedd6bc1011c36aa13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "130888fb8d1e6d8dc0040116cd47fa6c836695d0fc479bdedd6bc1011c36aa13", kill_on_drop: false }` [INFO] [stdout] 130888fb8d1e6d8dc0040116cd47fa6c836695d0fc479bdedd6bc1011c36aa13 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c3ae86f8e5d5dfc82e94069c00667b2e5e05289538f7fc507f718d72b76e6c22 [INFO] running `Command { std: "docker" "start" "-a" "c3ae86f8e5d5dfc82e94069c00667b2e5e05289538f7fc507f718d72b76e6c22", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-7a2ff846375d17dd) [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: 0x649e116d0fea - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x649e116d0fea - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x649e116d0fea - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x649e116d0fea - ::fmt::h71a62eb3b9696b12 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x649e116f9063 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x649e116f9063 - core::fmt::write::h2cc1698af7e2d686 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x649e116cda83 - std::io::Write::write_fmt::hab1b4cd059a79022 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x649e116d0e32 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x649e116d240f - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x649e116d2228 - std::panicking::default_hook::h20f81eb0576efcec [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x649e11567183 - as core::ops::function::Fn>::call::hdb53814c496a4d34 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 11: 0x649e11567183 - test::test_main::{{closure}}::hc0a4963c59427c24 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x649e116d2f03 - as core::ops::function::Fn>::call::h591b2225413a77e9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 13: 0x649e116d2f03 - std::panicking::rust_panic_with_hook::h625eea43051b2edc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x649e116d2bba - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x649e116d14e9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x649e116d284d - rust_begin_unwind [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x649e116f7a40 - core::panicking::panic_fmt::h9e7c637e9e5f29c9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x649e116f7eb6 - core::result::unwrap_failed::h7979f09313fe1849 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x649e115240da - core::result::Result::unwrap::h4a9ad750dd152fa7 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x649e115240da - rustlings::exercise::test::test_clean::hbf4fd5aaa9ccc42f [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 21: 0x649e11524017 - rustlings::exercise::test::test_clean::{{closure}}::h3062805cc45f1ced [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:20 [INFO] [stdout] 22: 0x649e115263a6 - core::ops::function::FnOnce::call_once::h67ebea307546ab9c [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x649e1156c8db - core::ops::function::FnOnce::call_once::he27718dfdd183f43 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x649e1156c8db - test::__rust_begin_short_backtrace::h4e84902998457a5d [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x649e1156b813 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x649e1156b813 - as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x649e1156b813 - std::panicking::try::do_call::h3da0561d9ab99c25 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x649e1156b813 - std::panicking::try::h41c9fa508bc61df6 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x649e1156b813 - std::panic::catch_unwind::h6b3ff07bb5afad93 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x649e1156b813 - test::run_test_in_process::hc7253dd11b39b9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x649e1156b813 - test::run_test::{{closure}}::hfb2007f8649c30bb [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x649e1152e8f5 - test::run_test::{{closure}}::h56a17aa7a282a9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x649e1152e8f5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x649e115321da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x649e115321da - as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x649e115321da - std::panicking::try::do_call::h2f73af3616c35465 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x649e115321da - std::panicking::try::hd1660ce9efadef5a [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x649e115321da - std::panic::catch_unwind::h5ee8d7823b8ca744 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x649e115321da - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x649e115321da - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x649e116d706b - as core::ops::function::FnOnce>::call_once::ha52bedf99a3b4981 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 42: 0x649e116d706b - as core::ops::function::FnOnce>::call_once::h567748934d80ccf8 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 43: 0x649e116d706b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x7cd1d572aac3 - [INFO] [stdout] 45: 0x7cd1d57bba04 - 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/./rmeta132pCL\"\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: 0x649e116d0fea - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x649e116d0fea - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x649e116d0fea - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x649e116d0fea - ::fmt::h71a62eb3b9696b12 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x649e116f9063 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x649e116f9063 - core::fmt::write::h2cc1698af7e2d686 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21 [INFO] [stdout] 6: 0x649e116cda83 - std::io::Write::write_fmt::hab1b4cd059a79022 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15 [INFO] [stdout] 7: 0x649e116d0e32 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x649e116d240f - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x649e116d2228 - std::panicking::default_hook::h20f81eb0576efcec [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x649e11567183 - as core::ops::function::Fn>::call::hdb53814c496a4d34 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 11: 0x649e11567183 - test::test_main::{{closure}}::hc0a4963c59427c24 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21 [INFO] [stdout] 12: 0x649e116d2f03 - as core::ops::function::Fn>::call::h591b2225413a77e9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9 [INFO] [stdout] 13: 0x649e116d2f03 - std::panicking::rust_panic_with_hook::h625eea43051b2edc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x649e116d2bba - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x649e116d14e9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x649e116d284d - rust_begin_unwind [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x649e116f7a40 - core::panicking::panic_fmt::h9e7c637e9e5f29c9 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x649e116f7eb6 - core::result::unwrap_failed::h7979f09313fe1849 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5 [INFO] [stdout] 19: 0x649e11524f36 - core::result::Result::unwrap::h65bb4a2b4d337355 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23 [INFO] [stdout] 20: 0x649e11524f36 - rustlings::exercise::test::test_exercise_with_output::hb33c4085106502e7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 21: 0x649e11524d47 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h75ff3d2c1b2c4148 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:35 [INFO] [stdout] 22: 0x649e11526426 - core::ops::function::FnOnce::call_once::he3d72dda2efa7ea7 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x649e1156c8db - core::ops::function::FnOnce::call_once::he27718dfdd183f43 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x649e1156c8db - test::__rust_begin_short_backtrace::h4e84902998457a5d [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18 [INFO] [stdout] 25: 0x649e1156b813 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60 [INFO] [stdout] 26: 0x649e1156b813 - as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x649e1156b813 - std::panicking::try::do_call::h3da0561d9ab99c25 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x649e1156b813 - std::panicking::try::h41c9fa508bc61df6 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x649e1156b813 - std::panic::catch_unwind::h6b3ff07bb5afad93 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x649e1156b813 - test::run_test_in_process::hc7253dd11b39b9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27 [INFO] [stdout] 31: 0x649e1156b813 - test::run_test::{{closure}}::hfb2007f8649c30bb [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43 [INFO] [stdout] 32: 0x649e1152e8f5 - test::run_test::{{closure}}::h56a17aa7a282a9f4 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41 [INFO] [stdout] 33: 0x649e1152e8f5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x649e115321da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x649e115321da - as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x649e115321da - std::panicking::try::do_call::h2f73af3616c35465 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x649e115321da - std::panicking::try::hd1660ce9efadef5a [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x649e115321da - std::panic::catch_unwind::h5ee8d7823b8ca744 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x649e115321da - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x649e115321da - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x649e116d706b - as core::ops::function::FnOnce>::call_once::ha52bedf99a3b4981 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 42: 0x649e116d706b - as core::ops::function::FnOnce>::call_once::h567748934d80ccf8 [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9 [INFO] [stdout] 43: 0x649e116d706b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc [INFO] [stdout] at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x7cd1d572aac3 - [INFO] [stdout] 45: 0x7cd1d57bba04 - 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 0.26s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "c3ae86f8e5d5dfc82e94069c00667b2e5e05289538f7fc507f718d72b76e6c22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3ae86f8e5d5dfc82e94069c00667b2e5e05289538f7fc507f718d72b76e6c22", kill_on_drop: false }` [INFO] [stdout] c3ae86f8e5d5dfc82e94069c00667b2e5e05289538f7fc507f718d72b76e6c22