[INFO] cloning repository https://github.com/Song-aff/rustlings_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Song-aff/rustlings_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSong-aff%2Frustlings_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSong-aff%2Frustlings_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7731ca4766be2494f83eb9f2f62d93dbbb43ffa8 [INFO] testing Song-aff/rustlings_test against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSong-aff%2Frustlings_test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Song-aff/rustlings_test [INFO] finished tweaking git repo https://github.com/Song-aff/rustlings_test [INFO] tweaked toml for git repo https://github.com/Song-aff/rustlings_test written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Song-aff/rustlings_test on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Song-aff/rustlings_test 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 62948690266eddf0993eb90e71468ef3c4a38f9ad1b7241eab820631b8f1dfe1 [INFO] running `Command { std: "docker" "start" "-a" "62948690266eddf0993eb90e71468ef3c4a38f9ad1b7241eab820631b8f1dfe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "62948690266eddf0993eb90e71468ef3c4a38f9ad1b7241eab820631b8f1dfe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62948690266eddf0993eb90e71468ef3c4a38f9ad1b7241eab820631b8f1dfe1", kill_on_drop: false }` [INFO] [stdout] 62948690266eddf0993eb90e71468ef3c4a38f9ad1b7241eab820631b8f1dfe1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc61150d1103becf2f1ddaadd0bc4712bbeb6ab5549cd3a6cac7b2f01b4ff115 [INFO] running `Command { std: "docker" "start" "-a" "dc61150d1103becf2f1ddaadd0bc4712bbeb6ab5549cd3a6cac7b2f01b4ff115", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [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 parking_lot_core v0.9.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.171 [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 bitflags v1.3.2 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling walkdir v2.3.3 [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 inotify v0.7.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling rustlings v5.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.18s [INFO] running `Command { std: "docker" "inspect" "dc61150d1103becf2f1ddaadd0bc4712bbeb6ab5549cd3a6cac7b2f01b4ff115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc61150d1103becf2f1ddaadd0bc4712bbeb6ab5549cd3a6cac7b2f01b4ff115", kill_on_drop: false }` [INFO] [stdout] dc61150d1103becf2f1ddaadd0bc4712bbeb6ab5549cd3a6cac7b2f01b4ff115 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9578bc6ae8a83e37e26fb133e31b2cd644fdaebeb15e12ab5016c946e28fee2 [INFO] running `Command { std: "docker" "start" "-a" "e9578bc6ae8a83e37e26fb133e31b2cd644fdaebeb15e12ab5016c946e28fee2", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.66s [INFO] running `Command { std: "docker" "inspect" "e9578bc6ae8a83e37e26fb133e31b2cd644fdaebeb15e12ab5016c946e28fee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9578bc6ae8a83e37e26fb133e31b2cd644fdaebeb15e12ab5016c946e28fee2", kill_on_drop: false }` [INFO] [stdout] e9578bc6ae8a83e37e26fb133e31b2cd644fdaebeb15e12ab5016c946e28fee2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2e1a82efb7d6399b16f6fbe42a118649565b75b9ac8587f817a717eb5cee2ee3 [INFO] running `Command { std: "docker" "start" "-a" "2e1a82efb7d6399b16f6fbe42a118649565b75b9ac8587f817a717eb5cee2ee3", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/exercise.rs:113:20 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn compile(&self) -> Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 113 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rustlings` (bin "rustlings") generated 1 warning (run `cargo fix --bin "rustlings"` to apply 1 suggestion) [INFO] [stderr] warning: `rustlings` (bin "rustlings" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-656882fefc2a9684) [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] [INFO] [stdout] thread 'exercise::test::test_clean' (19) 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: 0x57fc4e7e99f2 - std::backtrace_rs::backtrace::libunwind::trace::h4b3f5960ed1c0917 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x57fc4e7e99f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2f16383c47f8bd04 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x57fc4e7e99f2 - std::sys::backtrace::_print_fmt::h698d661724c270ea [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57fc4e7e99f2 - ::fmt::h1c8375013274064c [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57fc4e7fa7ff - core::fmt::rt::Argument::fmt::h9232377a772d3f8c [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x57fc4e7fa7ff - core::fmt::write::h6dc9e168423d9633 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x57fc4e7b6fc3 - std::io::default_write_fmt::hec53a38f10739f86 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x57fc4e7b6fc3 - std::io::Write::write_fmt::hf5089d8bbbe5aaa6 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x57fc4e7c2fc2 - std::sys::backtrace::BacktraceLock::print::hf83c3d8cbd01f904 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x57fc4e7c7a6f - std::panicking::default_hook::{{closure}}::h3d4c49adc0898362 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x57fc4e7c7901 - std::panicking::default_hook::hccea28f2487e7471 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x57fc4e56c87e - as core::ops::function::Fn>::call::h06e1b96f84d5792f [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x57fc4e56c87e - test::test_main_with_exit_callback::{{closure}}::hf6db6d7b1242fcd4 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x57fc4e7c810e - as core::ops::function::Fn>::call::hfeb094aff1e6591e [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x57fc4e7c810e - std::panicking::panic_with_hook::h694b8196629eb5e1 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x57fc4e7c7eda - std::panicking::panic_handler::{{closure}}::h0d99dd765f7e6554 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x57fc4e7c3109 - std::sys::backtrace::__rust_end_short_backtrace::h8b43cbde72f7d592 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x57fc4e7ab0fd - __rustc[d1dec8fc82f9a585]::rust_begin_unwind [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x57fc4e803250 - core::panicking::panic_fmt::h315eeb0e4d90fcdc [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x57fc4e802646 - core::result::unwrap_failed::h3188dfca3824df71 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x57fc4e54371c - core::result::Result::unwrap::h7b4da9edd7210979 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x57fc4e54371c - rustlings::exercise::test::test_clean::he1846bb923fb0cbd [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:36 [INFO] [stdout] 22: 0x57fc4e543ae7 - rustlings::exercise::test::test_clean::{{closure}}::h656d5b57cb2ec325 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 23: 0x57fc4e539dc6 - core::ops::function::FnOnce::call_once::h370eb7f56ac9474c [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x57fc4e56c6eb - core::ops::function::FnOnce::call_once::h5852f0076c8c0d8d [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x57fc4e56c6eb - test::__rust_begin_short_backtrace::hc8457233131a06d0 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x57fc4e582145 - test::run_test_in_process::{{closure}}::ha3eda53784ae2639 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x57fc4e582145 - as core::ops::function::FnOnce<()>>::call_once::hbd60f847cd185bc6 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x57fc4e582145 - std::panicking::catch_unwind::do_call::h11c1623aed953668 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x57fc4e582145 - std::panicking::catch_unwind::hf8551f73b52d8ed0 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x57fc4e582145 - std::panic::catch_unwind::h66ff870d847fc7cf [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x57fc4e582145 - test::run_test_in_process::h808a5fa5cb24efde [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x57fc4e582145 - test::run_test::{{closure}}::hcf5782fef76f68bf [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x57fc4e558b14 - test::run_test::{{closure}}::h59bb1f8f7167fee7 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x57fc4e558b14 - std::sys::backtrace::__rust_begin_short_backtrace::h073f551083d60480 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x57fc4e55c3fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9d6eff1e4da9d0f2 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x57fc4e55c3fa - as core::ops::function::FnOnce<()>>::call_once::he37f75191b40d4b0 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x57fc4e55c3fa - std::panicking::catch_unwind::do_call::h339b26991b458079 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x57fc4e55c3fa - std::panicking::catch_unwind::h2e5906b8a84cca89 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x57fc4e55c3fa - std::panic::catch_unwind::h3fea03a95c906d68 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x57fc4e55c3fa - std::thread::Builder::spawn_unchecked_::{{closure}}::hab1ac593ae8241c8 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x57fc4e55c3fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb46ae6da79faf2c5 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x57fc4e7bd1ef - as core::ops::function::FnOnce>::call_once::h317217a5c86437d1 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x57fc4e7bd1ef - std::sys::pal::unix::thread::Thread::new::thread_start::h9b0e1220f8cf5182 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x7ff10b4efaa4 - [INFO] [stdout] 45: 0x7ff10b57ca34 - 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' (20) 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/./rmeta3sviy7\"\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: 0x57fc4e7e99f2 - std::backtrace_rs::backtrace::libunwind::trace::h4b3f5960ed1c0917 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x57fc4e7e99f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2f16383c47f8bd04 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x57fc4e7e99f2 - std::sys::backtrace::_print_fmt::h698d661724c270ea [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57fc4e7e99f2 - ::fmt::h1c8375013274064c [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57fc4e7fa7ff - core::fmt::rt::Argument::fmt::h9232377a772d3f8c [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x57fc4e7fa7ff - core::fmt::write::h6dc9e168423d9633 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x57fc4e7b6fc3 - std::io::default_write_fmt::hec53a38f10739f86 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x57fc4e7b6fc3 - std::io::Write::write_fmt::hf5089d8bbbe5aaa6 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x57fc4e7c2fc2 - std::sys::backtrace::BacktraceLock::print::hf83c3d8cbd01f904 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x57fc4e7c7a6f - std::panicking::default_hook::{{closure}}::h3d4c49adc0898362 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x57fc4e7c7901 - std::panicking::default_hook::hccea28f2487e7471 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x57fc4e56c87e - as core::ops::function::Fn>::call::h06e1b96f84d5792f [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x57fc4e56c87e - test::test_main_with_exit_callback::{{closure}}::hf6db6d7b1242fcd4 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x57fc4e7c810e - as core::ops::function::Fn>::call::hfeb094aff1e6591e [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x57fc4e7c810e - std::panicking::panic_with_hook::h694b8196629eb5e1 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x57fc4e7c7eda - std::panicking::panic_handler::{{closure}}::h0d99dd765f7e6554 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x57fc4e7c3109 - std::sys::backtrace::__rust_end_short_backtrace::h8b43cbde72f7d592 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x57fc4e7ab0fd - __rustc[d1dec8fc82f9a585]::rust_begin_unwind [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x57fc4e803250 - core::panicking::panic_fmt::h315eeb0e4d90fcdc [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x57fc4e802646 - core::result::unwrap_failed::h3188dfca3824df71 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x57fc4e544558 - core::result::Result::unwrap::hcf2ac5061fa5def4 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x57fc4e544558 - rustlings::exercise::test::test_exercise_with_output::h25dc8b6bf881413f [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:38 [INFO] [stdout] 22: 0x57fc4e5447d7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h6004d53f6fee796b [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 23: 0x57fc4e539d86 - core::ops::function::FnOnce::call_once::h01a5bad29d553d96 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x57fc4e56c6eb - core::ops::function::FnOnce::call_once::h5852f0076c8c0d8d [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x57fc4e56c6eb - test::__rust_begin_short_backtrace::hc8457233131a06d0 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x57fc4e582145 - test::run_test_in_process::{{closure}}::ha3eda53784ae2639 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x57fc4e582145 - as core::ops::function::FnOnce<()>>::call_once::hbd60f847cd185bc6 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x57fc4e582145 - std::panicking::catch_unwind::do_call::h11c1623aed953668 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x57fc4e582145 - std::panicking::catch_unwind::hf8551f73b52d8ed0 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x57fc4e582145 - std::panic::catch_unwind::h66ff870d847fc7cf [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x57fc4e582145 - test::run_test_in_process::h808a5fa5cb24efde [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x57fc4e582145 - test::run_test::{{closure}}::hcf5782fef76f68bf [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x57fc4e558b14 - test::run_test::{{closure}}::h59bb1f8f7167fee7 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x57fc4e558b14 - std::sys::backtrace::__rust_begin_short_backtrace::h073f551083d60480 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x57fc4e55c3fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9d6eff1e4da9d0f2 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x57fc4e55c3fa - as core::ops::function::FnOnce<()>>::call_once::he37f75191b40d4b0 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x57fc4e55c3fa - std::panicking::catch_unwind::do_call::h339b26991b458079 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x57fc4e55c3fa - std::panicking::catch_unwind::h2e5906b8a84cca89 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x57fc4e55c3fa - std::panic::catch_unwind::h3fea03a95c906d68 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x57fc4e55c3fa - std::thread::Builder::spawn_unchecked_::{{closure}}::hab1ac593ae8241c8 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x57fc4e55c3fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb46ae6da79faf2c5 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x57fc4e7bd1ef - as core::ops::function::FnOnce>::call_once::h317217a5c86437d1 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x57fc4e7bd1ef - std::sys::pal::unix::thread::Thread::new::thread_start::h9b0e1220f8cf5182 [INFO] [stdout] at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x7ff10b4efaa4 - [INFO] [stdout] 45: 0x7ff10b57ca34 - 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 0.19s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "2e1a82efb7d6399b16f6fbe42a118649565b75b9ac8587f817a717eb5cee2ee3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e1a82efb7d6399b16f6fbe42a118649565b75b9ac8587f817a717eb5cee2ee3", kill_on_drop: false }` [INFO] [stdout] 2e1a82efb7d6399b16f6fbe42a118649565b75b9ac8587f817a717eb5cee2ee3