[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-2024-spring-Siogian [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-2024-spring-Siogian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-Siogian", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-Siogian'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 651937301f48e5b5d4f96a445682db7284bdcd2c [INFO] testing LearningOS/rust-rustlings-2024-spring-Siogian/651937301f48e5b5d4f96a445682db7284bdcd2c against master#8c0ec05f7dc9ef185eea9f36c5638e74e43935bf for pr-130285 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-2024-spring-Siogian" "/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/LearningOS/rust-rustlings-2024-spring-Siogian on toolchain 8c0ec05f7dc9ef185eea9f36c5638e74e43935bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-Siogian [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-2024-spring-Siogian [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-2024-spring-Siogian written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-2024-spring-Siogian 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" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "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" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98305045b0f265bf41e59e1744f2af1e53437bb4181d9a5e0a2deaf568a27600 [INFO] running `Command { std: "docker" "start" "-a" "98305045b0f265bf41e59e1744f2af1e53437bb4181d9a5e0a2deaf568a27600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98305045b0f265bf41e59e1744f2af1e53437bb4181d9a5e0a2deaf568a27600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98305045b0f265bf41e59e1744f2af1e53437bb4181d9a5e0a2deaf568a27600", kill_on_drop: false }` [INFO] [stdout] 98305045b0f265bf41e59e1744f2af1e53437bb4181d9a5e0a2deaf568a27600 [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=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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32dc61ca8847b9bfe6df1c55d7367978934dd57de1e69b3cf7b95e690c4d0b6a [INFO] running `Command { std: "docker" "start" "-a" "32dc61ca8847b9bfe6df1c55d7367978934dd57de1e69b3cf7b95e690c4d0b6a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [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 argh_shared v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling argh v0.1.10 [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 17.71s [INFO] running `Command { std: "docker" "inspect" "32dc61ca8847b9bfe6df1c55d7367978934dd57de1e69b3cf7b95e690c4d0b6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32dc61ca8847b9bfe6df1c55d7367978934dd57de1e69b3cf7b95e690c4d0b6a", kill_on_drop: false }` [INFO] [stdout] 32dc61ca8847b9bfe6df1c55d7367978934dd57de1e69b3cf7b95e690c4d0b6a [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=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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52640332fac6704c1b60cf9d643567d9f762c71ed80a81a9f9ce326d52afb315 [INFO] running `Command { std: "docker" "start" "-a" "52640332fac6704c1b60cf9d643567d9f762c71ed80a81a9f9ce326d52afb315", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [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 4.05s [INFO] running `Command { std: "docker" "inspect" "52640332fac6704c1b60cf9d643567d9f762c71ed80a81a9f9ce326d52afb315", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52640332fac6704c1b60cf9d643567d9f762c71ed80a81a9f9ce326d52afb315", kill_on_drop: false }` [INFO] [stdout] 52640332fac6704c1b60cf9d643567d9f762c71ed80a81a9f9ce326d52afb315 [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=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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eb89b2d3a30790df92124cdd3a5f7022ce18cc7c6ad20a0ec2cdfe0f77dfddae [INFO] running `Command { std: "docker" "start" "-a" "eb89b2d3a30790df92124cdd3a5f7022ce18cc7c6ad20a0ec2cdfe0f77dfddae", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-7ed0a2de207f3fae) [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:303:36: [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: 0x57de998889fa - std::backtrace_rs::backtrace::libunwind::trace::hb26ad70b37260289 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x57de998889fa - std::backtrace_rs::backtrace::trace_unsynchronized::h2c0187153633e231 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x57de998889fa - std::sys::backtrace::_print_fmt::ha9596eb1af5e3a29 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57de998889fa - ::fmt::h8f2981dcab006960 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57de998afa9b - core::fmt::rt::Argument::fmt::h1029a118dbae0125 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x57de998afa9b - core::fmt::write::h25ada94a2189c1b9 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x57de99885633 - std::io::Write::write_fmt::h6ca394d5de12dd64 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x57de99888842 - std::sys::backtrace::BacktraceLock::print::hc25a90d456c1b686 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x57de9988a175 - std::panicking::default_hook::{{closure}}::h73dd81cb71929aa4 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x57de99889f68 - std::panicking::default_hook::h0e337668e919fc53 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x57de99632569 - as core::ops::function::Fn>::call::h0a5b2697e83d3de2 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2243:9 [INFO] [stdout] 11: 0x57de99632569 - test::test_main::{{closure}}::ha5c571fce018b26f [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x57de9988a888 - as core::ops::function::Fn>::call::h41d416f4073097a8 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2243:9 [INFO] [stdout] 13: 0x57de9988a888 - std::panicking::rust_panic_with_hook::h442c26b690a626f4 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x57de9988a657 - std::panicking::begin_panic_handler::{{closure}}::h7cfa3ab758eb5a73 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x57de99888ed9 - std::sys::backtrace::__rust_end_short_backtrace::hf609a1dcd6f8b9f9 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x57de9988a2e4 - rust_begin_unwind [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x57de998ae0d3 - core::panicking::panic_fmt::he4002baf06927918 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x57de998ae556 - core::result::unwrap_failed::hacc89493365a1579 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/result.rs:1689:5 [INFO] [stdout] 19: 0x57de995ef21a - core::result::Result::unwrap::hb6f5f41fbce6fb6b [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x57de995ef21a - rustlings::exercise::test::test_clean::hc69198c37dd48b06 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:9 [INFO] [stdout] 21: 0x57de995ef157 - rustlings::exercise::test::test_clean::{{closure}}::hf23726fb6d272a64 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 22: 0x57de995ebe86 - core::ops::function::FnOnce::call_once::hd93e4474bfe3b260 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x57de99636edb - core::ops::function::FnOnce::call_once::he9dcba90b82d8683 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x57de99636edb - test::__rust_begin_short_backtrace::hd3c7d260f12c8c4c [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x57de99636758 - test::run_test_in_process::{{closure}}::h2a83a0a65ed3c222 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x57de99636758 - as core::ops::function::FnOnce<()>>::call_once::h86af6a43b3d339fd [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x57de99636758 - std::panicking::try::do_call::h06bb3a6ef41e33d4 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x57de99636758 - std::panicking::try::hbe4ce21e81168e19 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x57de99636758 - std::panic::catch_unwind::h9216a5b93914ba30 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x57de99636758 - test::run_test_in_process::hd5f710dbb42ac3ac [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x57de99636758 - test::run_test::{{closure}}::ha3c5aa83f018eb90 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x57de995faa54 - test::run_test::{{closure}}::h106c33754fb7ad93 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x57de995faa54 - std::sys::backtrace::__rust_begin_short_backtrace::h72b607f200d489e1 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x57de995fe1a2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4c13dee51575b1d5 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/thread/mod.rs:522:17 [INFO] [stdout] 35: 0x57de995fe1a2 - as core::ops::function::FnOnce<()>>::call_once::hc15ba15cced82411 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x57de995fe1a2 - std::panicking::try::do_call::ha2b96a5442f2b7a6 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x57de995fe1a2 - std::panicking::try::h3249b845d1609c7f [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x57de995fe1a2 - std::panic::catch_unwind::hb1234c1714481772 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x57de995fe1a2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf2ecca2087a712d7 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/thread/mod.rs:521:30 [INFO] [stdout] 40: 0x57de995fe1a2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h33604033fff0c135 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x57de9988ea6b - as core::ops::function::FnOnce>::call_once::hed0705102829bfb8 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2229:9 [INFO] [stdout] 42: 0x57de9988ea6b - as core::ops::function::FnOnce>::call_once::h88dbb0360840e1a3 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2229:9 [INFO] [stdout] 43: 0x57de9988ea6b - std::sys::pal::unix::thread::Thread::new::thread_start::hed3d760d9bfb1ad1 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7340859deac3 - [INFO] [stdout] 45: 0x734085a6fa04 - 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:376:38: [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/./rmetasWiTDP\"\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: 0x57de998889fa - std::backtrace_rs::backtrace::libunwind::trace::hb26ad70b37260289 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x57de998889fa - std::backtrace_rs::backtrace::trace_unsynchronized::h2c0187153633e231 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x57de998889fa - std::sys::backtrace::_print_fmt::ha9596eb1af5e3a29 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57de998889fa - ::fmt::h8f2981dcab006960 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57de998afa9b - core::fmt::rt::Argument::fmt::h1029a118dbae0125 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x57de998afa9b - core::fmt::write::h25ada94a2189c1b9 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x57de99885633 - std::io::Write::write_fmt::h6ca394d5de12dd64 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x57de99888842 - std::sys::backtrace::BacktraceLock::print::hc25a90d456c1b686 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x57de9988a175 - std::panicking::default_hook::{{closure}}::h73dd81cb71929aa4 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:268:22 [INFO] [stdout] 9: 0x57de99889f68 - std::panicking::default_hook::h0e337668e919fc53 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:292:9 [INFO] [stdout] 10: 0x57de99632569 - as core::ops::function::Fn>::call::h0a5b2697e83d3de2 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2243:9 [INFO] [stdout] 11: 0x57de99632569 - test::test_main::{{closure}}::ha5c571fce018b26f [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x57de9988a888 - as core::ops::function::Fn>::call::h41d416f4073097a8 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2243:9 [INFO] [stdout] 13: 0x57de9988a888 - std::panicking::rust_panic_with_hook::h442c26b690a626f4 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:809:13 [INFO] [stdout] 14: 0x57de9988a657 - std::panicking::begin_panic_handler::{{closure}}::h7cfa3ab758eb5a73 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:674:13 [INFO] [stdout] 15: 0x57de99888ed9 - std::sys::backtrace::__rust_end_short_backtrace::hf609a1dcd6f8b9f9 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x57de9988a2e4 - rust_begin_unwind [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:665:5 [INFO] [stdout] 17: 0x57de998ae0d3 - core::panicking::panic_fmt::he4002baf06927918 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x57de998ae556 - core::result::unwrap_failed::hacc89493365a1579 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/result.rs:1689:5 [INFO] [stdout] 19: 0x57de995f007a - core::result::Result::unwrap::h1fc1ed704f8835fa [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x57de995f007a - rustlings::exercise::test::test_exercise_with_output::h6a0c188434eb7a5d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:19 [INFO] [stdout] 21: 0x57de995efe87 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h899c7a78e233b60b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 22: 0x57de995ebe16 - core::ops::function::FnOnce::call_once::h76a0f3e61089f205 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x57de99636edb - core::ops::function::FnOnce::call_once::he9dcba90b82d8683 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x57de99636edb - test::__rust_begin_short_backtrace::hd3c7d260f12c8c4c [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x57de99636758 - test::run_test_in_process::{{closure}}::h2a83a0a65ed3c222 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x57de99636758 - as core::ops::function::FnOnce<()>>::call_once::h86af6a43b3d339fd [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x57de99636758 - std::panicking::try::do_call::h06bb3a6ef41e33d4 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 28: 0x57de99636758 - std::panicking::try::hbe4ce21e81168e19 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 29: 0x57de99636758 - std::panic::catch_unwind::h9216a5b93914ba30 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x57de99636758 - test::run_test_in_process::hd5f710dbb42ac3ac [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x57de99636758 - test::run_test::{{closure}}::ha3c5aa83f018eb90 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x57de995faa54 - test::run_test::{{closure}}::h106c33754fb7ad93 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x57de995faa54 - std::sys::backtrace::__rust_begin_short_backtrace::h72b607f200d489e1 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x57de995fe1a2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4c13dee51575b1d5 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/thread/mod.rs:522:17 [INFO] [stdout] 35: 0x57de995fe1a2 - as core::ops::function::FnOnce<()>>::call_once::hc15ba15cced82411 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x57de995fe1a2 - std::panicking::try::do_call::ha2b96a5442f2b7a6 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:557:40 [INFO] [stdout] 37: 0x57de995fe1a2 - std::panicking::try::h3249b845d1609c7f [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panicking.rs:520:19 [INFO] [stdout] 38: 0x57de995fe1a2 - std::panic::catch_unwind::hb1234c1714481772 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x57de995fe1a2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf2ecca2087a712d7 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/thread/mod.rs:521:30 [INFO] [stdout] 40: 0x57de995fe1a2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h33604033fff0c135 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x57de9988ea6b - as core::ops::function::FnOnce>::call_once::hed0705102829bfb8 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2229:9 [INFO] [stdout] 42: 0x57de9988ea6b - as core::ops::function::FnOnce>::call_once::h88dbb0360840e1a3 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/alloc/src/boxed.rs:2229:9 [INFO] [stdout] 43: 0x57de9988ea6b - std::sys::pal::unix::thread::Thread::new::thread_start::hed3d760d9bfb1ad1 [INFO] [stdout] at /rustc/8c0ec05f7dc9ef185eea9f36c5638e74e43935bf/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7340859deac3 - [INFO] [stdout] 45: 0x734085a6fa04 - 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 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "eb89b2d3a30790df92124cdd3a5f7022ce18cc7c6ad20a0ec2cdfe0f77dfddae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb89b2d3a30790df92124cdd3a5f7022ce18cc7c6ad20a0ec2cdfe0f77dfddae", kill_on_drop: false }` [INFO] [stdout] eb89b2d3a30790df92124cdd3a5f7022ce18cc7c6ad20a0ec2cdfe0f77dfddae