[INFO] cloning repository https://github.com/dimkk/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dimkk/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimkk%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimkk%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e8ecbc337b0cc7b0988b5767a27b8064104473a [INFO] testing dimkk/rustlings against try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimkk%2Frustlings" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dimkk/rustlings on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dimkk/rustlings [INFO] finished tweaking git repo https://github.com/dimkk/rustlings [INFO] tweaked toml for git repo https://github.com/dimkk/rustlings written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dimkk/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" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51f7a70a09681b71cba6640055b5095bf27d21f6bd5b887543b49d69f0b17a11 [INFO] running `Command { std: "docker" "start" "-a" "51f7a70a09681b71cba6640055b5095bf27d21f6bd5b887543b49d69f0b17a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51f7a70a09681b71cba6640055b5095bf27d21f6bd5b887543b49d69f0b17a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51f7a70a09681b71cba6640055b5095bf27d21f6bd5b887543b49d69f0b17a11", kill_on_drop: false }` [INFO] [stdout] 51f7a70a09681b71cba6640055b5095bf27d21f6bd5b887543b49d69f0b17a11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75cc3949b456d7853bb0e050c66040359f23b28782386ffa6b2dc412c1a4a4e7 [INFO] running `Command { std: "docker" "start" "-a" "75cc3949b456d7853bb0e050c66040359f23b28782386ffa6b2dc412c1a4a4e7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling walkdir v2.3.2 [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 termios v0.3.3 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [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 [unoptimized + debuginfo] target(s) in 20.71s [INFO] running `Command { std: "docker" "inspect" "75cc3949b456d7853bb0e050c66040359f23b28782386ffa6b2dc412c1a4a4e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75cc3949b456d7853bb0e050c66040359f23b28782386ffa6b2dc412c1a4a4e7", kill_on_drop: false }` [INFO] [stdout] 75cc3949b456d7853bb0e050c66040359f23b28782386ffa6b2dc412c1a4a4e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82150a847f536e06acd297fb83f84608160dd9ce16879ecc90f550fbe93f9692 [INFO] running `Command { std: "docker" "start" "-a" "82150a847f536e06acd297fb83f84608160dd9ce16879ecc90f550fbe93f9692", 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 normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [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 [unoptimized + debuginfo] target(s) in 6.63s [INFO] running `Command { std: "docker" "inspect" "82150a847f536e06acd297fb83f84608160dd9ce16879ecc90f550fbe93f9692", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82150a847f536e06acd297fb83f84608160dd9ce16879ecc90f550fbe93f9692", kill_on_drop: false }` [INFO] [stdout] 82150a847f536e06acd297fb83f84608160dd9ce16879ecc90f550fbe93f9692 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a7f877eb401a6e9b84c7ab3de470cf1348fee9d4ebdf8d71fc7e98c526d9a545 [INFO] running `Command { std: "docker" "start" "-a" "a7f877eb401a6e9b84c7ab3de470cf1348fee9d4ebdf8d71fc7e98c526d9a545", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-0089526ededdc30f) [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] [stderr] error: test failed, to rerun pass `--bin rustlings` [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: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: 0x55fa2e479b51 - std::backtrace_rs::backtrace::libunwind::trace::he8a34e6ab80996f5 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55fa2e479b51 - std::backtrace_rs::backtrace::trace_unsynchronized::h864fca907db5bdc0 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55fa2e479b51 - std::sys_common::backtrace::_print_fmt::h47ceae78d0af5160 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x55fa2e479b51 - ::fmt::ha55bd40a5f3054c8 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55fa2e49fcbf - core::fmt::rt::Argument::fmt::h68717a843c94b5b7 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55fa2e49fcbf - core::fmt::write::h44d9b1700d264e6b [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55fa2e476ed7 - std::io::Write::write_fmt::h2bc437010a25187b [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55fa2e479965 - std::sys_common::backtrace::_print::h80fb8a1d71a9c116 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55fa2e479965 - std::sys_common::backtrace::print::hb5e6b1168a97b5e0 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55fa2e47b5c3 - std::panicking::default_hook::{{closure}}::hfa26065dde38d5ba [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:269:22 [INFO] [stdout] 10: 0x55fa2e47b2e0 - std::panicking::default_hook::hc3edde983cbecd4a [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:285:9 [INFO] [stdout] 11: 0x55fa2e2f6382 - as core::ops::function::Fn>::call::hb2676498aafe47fd [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 12: 0x55fa2e2f6382 - test::test_main::{{closure}}::h3b4c1c68a391ceb5 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:134:21 [INFO] [stdout] 13: 0x55fa2e47bcbe - as core::ops::function::Fn>::call::h59fc42576a57a440 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 14: 0x55fa2e47bcbe - std::panicking::rust_panic_with_hook::h7c2fe713408ebcf7 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:709:13 [INFO] [stdout] 15: 0x55fa2e47ba47 - std::panicking::begin_panic_handler::{{closure}}::h48279992bc735ca2 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:597:13 [INFO] [stdout] 16: 0x55fa2e479f86 - std::sys_common::backtrace::__rust_end_short_backtrace::he5478f246a8d15b1 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:151:18 [INFO] [stdout] 17: 0x55fa2e47b792 - rust_begin_unwind [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:593:5 [INFO] [stdout] 18: 0x55fa2e2ae973 - core::panicking::panic_fmt::hbf1ad618a5d5d708 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/panicking.rs:67:14 [INFO] [stdout] 19: 0x55fa2e2aef03 - core::result::unwrap_failed::h233256a914bff08c [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/result.rs:1651:5 [INFO] [stdout] 20: 0x55fa2e2b2b2b - core::result::Result::unwrap::h2ab96f74b14d0e4d [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/result.rs:1076:23 [INFO] [stdout] 21: 0x55fa2e2b3b51 - rustlings::exercise::test::test_clean::h40c02fe9eaed29bb [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 22: 0x55fa2e2b3ad7 - rustlings::exercise::test::test_clean::{{closure}}::ha02c63a82c04cb46 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:21 [INFO] [stdout] 23: 0x55fa2e2afc55 - core::ops::function::FnOnce::call_once::h1bafe3ac85805ded [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55fa2e2fb79f - core::ops::function::FnOnce::call_once::h2e81c07a49b3b328 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55fa2e2fb79f - test::__rust_begin_short_backtrace::h8b9d25b555f3d8a5 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:655:18 [INFO] [stdout] 26: 0x55fa2e2c749c - test::run_test::{{closure}}::ha116a177a18a7684 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:646:30 [INFO] [stdout] 27: 0x55fa2e2c749c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4d49cffa35c98788 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 28: 0x55fa2e2fa769 - as core::ops::function::FnOnce>::call_once::h50a863ea26164a61 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 29: 0x55fa2e2fa769 - as core::ops::function::FnOnce<()>>::call_once::h04f5ba1d9599b1e6 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 30: 0x55fa2e2fa769 - std::panicking::try::do_call::he78089d143b4ae0d [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:500:40 [INFO] [stdout] 31: 0x55fa2e2fa769 - std::panicking::try::hc41cda2a57fa64b6 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:464:19 [INFO] [stdout] 32: 0x55fa2e2fa769 - std::panic::catch_unwind::he34d2e069a507d06 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panic.rs:142:14 [INFO] [stdout] 33: 0x55fa2e2fa769 - test::run_test_in_process::h1a9933ec65bf150e [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:678:27 [INFO] [stdout] 34: 0x55fa2e2fa769 - test::run_test::run_test_inner::{{closure}}::h6a77ac48c621de22 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:572:39 [INFO] [stdout] 35: 0x55fa2e2c1498 - test::run_test::run_test_inner::{{closure}}::h2278556ce7b127e9 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:599:37 [INFO] [stdout] 36: 0x55fa2e2c1498 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6f81324b35a0a8bd [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:135:18 [INFO] [stdout] 37: 0x55fa2e2c735f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6666d0b48280a852 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 38: 0x55fa2e2c735f - as core::ops::function::FnOnce<()>>::call_once::h903f46438f50fa4d [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 39: 0x55fa2e2c735f - std::panicking::try::do_call::hd168f55adbd68cdd [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:500:40 [INFO] [stdout] 40: 0x55fa2e2c735f - std::panicking::try::hdc44cc99c1165c34 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:464:19 [INFO] [stdout] 41: 0x55fa2e2c735f - std::panic::catch_unwind::haffe820e5b950777 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panic.rs:142:14 [INFO] [stdout] 42: 0x55fa2e2c735f - std::thread::Builder::spawn_unchecked_::{{closure}}::h2713c936ff1f9048 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 43: 0x55fa2e2c735f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4caeb7de1ff31552 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 44: 0x55fa2e480365 - as core::ops::function::FnOnce>::call_once::hdc3286f51b5f0d41 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 45: 0x55fa2e480365 - as core::ops::function::FnOnce>::call_once::h2ed120d54908b9bc [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 46: 0x55fa2e480365 - std::sys::unix::thread::Thread::new::thread_start::h8f96ea8d36a51f46 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 47: 0x7f61cab65b43 - [INFO] [stdout] 48: 0x7f61cabf6bb4 - __clone [INFO] [stdout] 49: 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: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/./rmetaeucLTB\"\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 previous error\u{1b}[0m\n\n" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55fa2e479b51 - std::backtrace_rs::backtrace::libunwind::trace::he8a34e6ab80996f5 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55fa2e479b51 - std::backtrace_rs::backtrace::trace_unsynchronized::h864fca907db5bdc0 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55fa2e479b51 - std::sys_common::backtrace::_print_fmt::h47ceae78d0af5160 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x55fa2e479b51 - ::fmt::ha55bd40a5f3054c8 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55fa2e49fcbf - core::fmt::rt::Argument::fmt::h68717a843c94b5b7 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55fa2e49fcbf - core::fmt::write::h44d9b1700d264e6b [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55fa2e476ed7 - std::io::Write::write_fmt::h2bc437010a25187b [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55fa2e479965 - std::sys_common::backtrace::_print::h80fb8a1d71a9c116 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55fa2e479965 - std::sys_common::backtrace::print::hb5e6b1168a97b5e0 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55fa2e47b5c3 - std::panicking::default_hook::{{closure}}::hfa26065dde38d5ba [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:269:22 [INFO] [stdout] 10: 0x55fa2e47b2e0 - std::panicking::default_hook::hc3edde983cbecd4a [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:285:9 [INFO] [stdout] 11: 0x55fa2e2f6382 - as core::ops::function::Fn>::call::hb2676498aafe47fd [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 12: 0x55fa2e2f6382 - test::test_main::{{closure}}::h3b4c1c68a391ceb5 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:134:21 [INFO] [stdout] 13: 0x55fa2e47bcbe - as core::ops::function::Fn>::call::h59fc42576a57a440 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 14: 0x55fa2e47bcbe - std::panicking::rust_panic_with_hook::h7c2fe713408ebcf7 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:709:13 [INFO] [stdout] 15: 0x55fa2e47ba47 - std::panicking::begin_panic_handler::{{closure}}::h48279992bc735ca2 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:597:13 [INFO] [stdout] 16: 0x55fa2e479f86 - std::sys_common::backtrace::__rust_end_short_backtrace::he5478f246a8d15b1 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:151:18 [INFO] [stdout] 17: 0x55fa2e47b792 - rust_begin_unwind [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:593:5 [INFO] [stdout] 18: 0x55fa2e2ae973 - core::panicking::panic_fmt::hbf1ad618a5d5d708 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/panicking.rs:67:14 [INFO] [stdout] 19: 0x55fa2e2aef03 - core::result::unwrap_failed::h233256a914bff08c [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/result.rs:1651:5 [INFO] [stdout] 20: 0x55fa2e2b2beb - core::result::Result::unwrap::h4518dfbb1aa665d2 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/result.rs:1076:23 [INFO] [stdout] 21: 0x55fa2e2b4858 - rustlings::exercise::test::test_exercise_with_output::ha2af7c661e64f557 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 22: 0x55fa2e2b46f7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hfe80e7362a6c0d92 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:36 [INFO] [stdout] 23: 0x55fa2e2afbf5 - core::ops::function::FnOnce::call_once::h0a1abc88085004d1 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55fa2e2fb79f - core::ops::function::FnOnce::call_once::h2e81c07a49b3b328 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55fa2e2fb79f - test::__rust_begin_short_backtrace::h8b9d25b555f3d8a5 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:655:18 [INFO] [stdout] 26: 0x55fa2e2c749c - test::run_test::{{closure}}::ha116a177a18a7684 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:646:30 [INFO] [stdout] 27: 0x55fa2e2c749c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4d49cffa35c98788 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 28: 0x55fa2e2fa769 - as core::ops::function::FnOnce>::call_once::h50a863ea26164a61 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 29: 0x55fa2e2fa769 - as core::ops::function::FnOnce<()>>::call_once::h04f5ba1d9599b1e6 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 30: 0x55fa2e2fa769 - std::panicking::try::do_call::he78089d143b4ae0d [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:500:40 [INFO] [stdout] 31: 0x55fa2e2fa769 - std::panicking::try::hc41cda2a57fa64b6 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:464:19 [INFO] [stdout] 32: 0x55fa2e2fa769 - std::panic::catch_unwind::he34d2e069a507d06 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panic.rs:142:14 [INFO] [stdout] 33: 0x55fa2e2fa769 - test::run_test_in_process::h1a9933ec65bf150e [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:678:27 [INFO] [stdout] 34: 0x55fa2e2fa769 - test::run_test::run_test_inner::{{closure}}::h6a77ac48c621de22 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:572:39 [INFO] [stdout] 35: 0x55fa2e2c1498 - test::run_test::run_test_inner::{{closure}}::h2278556ce7b127e9 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/test/src/lib.rs:599:37 [INFO] [stdout] 36: 0x55fa2e2c1498 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6f81324b35a0a8bd [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys_common/backtrace.rs:135:18 [INFO] [stdout] 37: 0x55fa2e2c735f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6666d0b48280a852 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 38: 0x55fa2e2c735f - as core::ops::function::FnOnce<()>>::call_once::h903f46438f50fa4d [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 39: 0x55fa2e2c735f - std::panicking::try::do_call::hd168f55adbd68cdd [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:500:40 [INFO] [stdout] 40: 0x55fa2e2c735f - std::panicking::try::hdc44cc99c1165c34 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panicking.rs:464:19 [INFO] [stdout] 41: 0x55fa2e2c735f - std::panic::catch_unwind::haffe820e5b950777 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/panic.rs:142:14 [INFO] [stdout] 42: 0x55fa2e2c735f - std::thread::Builder::spawn_unchecked_::{{closure}}::h2713c936ff1f9048 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 43: 0x55fa2e2c735f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4caeb7de1ff31552 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 44: 0x55fa2e480365 - as core::ops::function::FnOnce>::call_once::hdc3286f51b5f0d41 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 45: 0x55fa2e480365 - as core::ops::function::FnOnce>::call_once::h2ed120d54908b9bc [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 46: 0x55fa2e480365 - std::sys::unix::thread::Thread::new::thread_start::h8f96ea8d36a51f46 [INFO] [stdout] at /rustc/ecd7b559f89c73ac8f1d318f7501006f37b944b2/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 47: 0x7f61cab65b43 - [INFO] [stdout] 48: 0x7f61cabf6bb4 - __clone [INFO] [stdout] 49: 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] running `Command { std: "docker" "inspect" "a7f877eb401a6e9b84c7ab3de470cf1348fee9d4ebdf8d71fc7e98c526d9a545", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7f877eb401a6e9b84c7ab3de470cf1348fee9d4ebdf8d71fc7e98c526d9a545", kill_on_drop: false }` [INFO] [stdout] a7f877eb401a6e9b84c7ab3de470cf1348fee9d4ebdf8d71fc7e98c526d9a545