[INFO] cloning repository https://github.com/RaphaelPour/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RaphaelPour/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaphaelPour%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaphaelPour%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 994b30cf2e07c5ac21552702e21337572f1718a2 [INFO] testing RaphaelPour/rustlings against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaphaelPour%2Frustlings" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/RaphaelPour/rustlings [INFO] finished tweaking git repo https://github.com/RaphaelPour/rustlings [INFO] tweaked toml for git repo https://github.com/RaphaelPour/rustlings written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/RaphaelPour/rustlings on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/RaphaelPour/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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded terminal_size v0.1.17 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded serde_derive v1.0.129 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded predicates-core v1.0.2 [INFO] [stderr] Downloaded slab v0.4.4 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded argh_derive v0.1.5 [INFO] [stderr] Downloaded home v0.5.3 [INFO] [stderr] Downloaded redox_syscall v0.2.10 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded console v0.15.0 [INFO] [stderr] Downloaded argh_shared v0.1.5 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded indicatif v0.16.2 [INFO] [stderr] Downloaded argh v0.1.5 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded libc v0.2.100 [INFO] [stderr] Downloaded filetime v0.2.15 [INFO] [stderr] Downloaded serde_json v1.0.81 [INFO] [stderr] Downloaded syn v1.0.75 [INFO] [stderr] Downloaded serde v1.0.129 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded predicates-tree v1.0.3 [INFO] [stderr] Downloaded predicates v1.0.8 [INFO] [stderr] Downloaded net2 v0.2.37 [INFO] [stderr] Downloaded unicode-segmentation v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e07dcd39a107abe28e493f50b3b88ceff0daab9815c25759432689008af9e8b4 [INFO] running `Command { std: "docker" "start" "-a" "e07dcd39a107abe28e493f50b3b88ceff0daab9815c25759432689008af9e8b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e07dcd39a107abe28e493f50b3b88ceff0daab9815c25759432689008af9e8b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e07dcd39a107abe28e493f50b3b88ceff0daab9815c25759432689008af9e8b4", kill_on_drop: false }` [INFO] [stdout] e07dcd39a107abe28e493f50b3b88ceff0daab9815c25759432689008af9e8b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25f8a83927e1cc04f94eb61d94ae6d775c96b10935be61093ca1e83d801bc75c [INFO] running `Command { std: "docker" "start" "-a" "25f8a83927e1cc04f94eb61d94ae6d775c96b10935be61093ca1e83d801bc75c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling rustlings v5.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | 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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.53s [INFO] running `Command { std: "docker" "inspect" "25f8a83927e1cc04f94eb61d94ae6d775c96b10935be61093ca1e83d801bc75c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25f8a83927e1cc04f94eb61d94ae6d775c96b10935be61093ca1e83d801bc75c", kill_on_drop: false }` [INFO] [stdout] 25f8a83927e1cc04f94eb61d94ae6d775c96b10935be61093ca1e83d801bc75c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa888eb944d003ff6718577a1a9122e1501e48f3793ab81ee63b5ab05e7d6c69 [INFO] running `Command { std: "docker" "start" "-a" "fa888eb944d003ff6718577a1a9122e1501e48f3793ab81ee63b5ab05e7d6c69", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | 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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.14 [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 v5.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | 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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.85s [INFO] running `Command { std: "docker" "inspect" "fa888eb944d003ff6718577a1a9122e1501e48f3793ab81ee63b5ab05e7d6c69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa888eb944d003ff6718577a1a9122e1501e48f3793ab81ee63b5ab05e7d6c69", kill_on_drop: false }` [INFO] [stdout] fa888eb944d003ff6718577a1a9122e1501e48f3793ab81ee63b5ab05e7d6c69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4e2e4c84be65334253e15026efd6e5ae5cb914aa91a770daebb9829bb19e55c3 [INFO] running `Command { std: "docker" "start" "-a" "4e2e4c84be65334253e15026efd6e5ae5cb914aa91a770daebb9829bb19e55c3", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/exercise.rs:109:20 [INFO] [stderr] | [INFO] [stderr] 109 | 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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rustlings` (bin "rustlings" test) generated 1 warning (run `cargo fix --bin "rustlings" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `rustlings` (bin "rustlings") generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-725a6e7f89742d79) [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' (24) panicked at src/exercise.rs:269:36: [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: 0x5842c5ecc1a2 - std::backtrace_rs::backtrace::libunwind::trace::hf3086ff3c8ddfec7 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5842c5ecc1a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h6caf11542219ebc3 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5842c5ecc1a2 - std::sys::backtrace::_print_fmt::hfd9f352edf0ef63b [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5842c5ecc1a2 - ::fmt::h746cb25d4c2f20bf [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5842c5edcf3f - core::fmt::rt::Argument::fmt::h7e560d1a4260d0bd [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5842c5edcf3f - core::fmt::write::h51c104753c8435b2 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5842c5e99513 - std::io::default_write_fmt::h7681766be9629d2f [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5842c5e99513 - std::io::Write::write_fmt::h41771a141bf0adb2 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5842c5ea5772 - std::sys::backtrace::BacktraceLock::print::heee726a1c5b4a2c3 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5842c5eaa21f - std::panicking::default_hook::{{closure}}::h938489fbb79d30ee [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5842c5eaa0b1 - std::panicking::default_hook::hf7e155db98319366 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5842c5d3248e - as core::ops::function::Fn>::call::h8041688d09537997 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5842c5d3248e - test::test_main_with_exit_callback::{{closure}}::hc8a7ea1f38432726 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5842c5eaa8be - as core::ops::function::Fn>::call::h688488cd0fff9b17 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5842c5eaa8be - std::panicking::panic_with_hook::h78bb7329978b77c8 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5842c5eaa68a - std::panicking::panic_handler::{{closure}}::h306ab6080b8e304c [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5842c5ea58b9 - std::sys::backtrace::__rust_end_short_backtrace::hab10906eec9c5584 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5842c5e8d8ad - __rustc[31cdaa5515be9d95]::rust_begin_unwind [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5842c5ee52f0 - core::panicking::panic_fmt::h8cb2938d8e2b0e7b [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5842c5ee4726 - core::result::unwrap_failed::h781900d7f82db671 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x5842c5d09e8c - core::result::Result::unwrap::h644b52a0f4d6a305 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x5842c5d09e8c - rustlings::exercise::test::test_clean::h7076306b8d5b8ea1 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:36 [INFO] [stdout] 22: 0x5842c5d0a257 - rustlings::exercise::test::test_clean::{{closure}}::h8e98058bc712b739 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:268:20 [INFO] [stdout] 23: 0x5842c5d07a36 - core::ops::function::FnOnce::call_once::h9c0ae2df136d7398 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5842c5d3224b - core::ops::function::FnOnce::call_once::ha1081c2f5558e6c0 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5842c5d3224b - test::__rust_begin_short_backtrace::h42034e8abb013a4c [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5842c5d47d55 - test::run_test_in_process::{{closure}}::hf6d2134f58bf7650 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5842c5d47d55 - as core::ops::function::FnOnce<()>>::call_once::hecbf148a08d929b4 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5842c5d47d55 - std::panicking::catch_unwind::do_call::hdd8f84f296c52439 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5842c5d47d55 - std::panicking::catch_unwind::h3fd77bcad74bf69c [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5842c5d47d55 - std::panic::catch_unwind::h512ad17f65705767 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5842c5d47d55 - test::run_test_in_process::h2b79c7cc828fafad [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5842c5d47d55 - test::run_test::{{closure}}::hc287323e9e7aa380 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5842c5d1e724 - test::run_test::{{closure}}::h26852bc3095664f0 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5842c5d1e724 - std::sys::backtrace::__rust_begin_short_backtrace::he88c7ba58706034f [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5842c5d21f5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff63832735ca5300 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5842c5d21f5a - as core::ops::function::FnOnce<()>>::call_once::h5618784f23b8bacb [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5842c5d21f5a - std::panicking::catch_unwind::do_call::hd103d0697f7d2f72 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5842c5d21f5a - std::panicking::catch_unwind::h947b18413ee60fc2 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5842c5d21f5a - std::panic::catch_unwind::h51f47dbca8916fbf [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5842c5d21f5a - std::thread::Builder::spawn_unchecked_::{{closure}}::h92bd4fc7ba1a8896 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5842c5d21f5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1edf6ba5edb7a202 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5842c5e9f99f - as core::ops::function::FnOnce>::call_once::h6765fcdde4c5daa4 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5842c5e9f99f - std::sys::pal::unix::thread::Thread::new::thread_start::h448c4dadc391362b [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x796db34f2aa4 - [INFO] [stdout] 45: 0x796db357fa34 - 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' (25) panicked at src/exercise.rs:342:38: [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/./rmeta54ts4f\"\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: 0x5842c5ecc1a2 - std::backtrace_rs::backtrace::libunwind::trace::hf3086ff3c8ddfec7 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5842c5ecc1a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h6caf11542219ebc3 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5842c5ecc1a2 - std::sys::backtrace::_print_fmt::hfd9f352edf0ef63b [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5842c5ecc1a2 - ::fmt::h746cb25d4c2f20bf [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5842c5edcf3f - core::fmt::rt::Argument::fmt::h7e560d1a4260d0bd [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5842c5edcf3f - core::fmt::write::h51c104753c8435b2 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5842c5e99513 - std::io::default_write_fmt::h7681766be9629d2f [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5842c5e99513 - std::io::Write::write_fmt::h41771a141bf0adb2 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5842c5ea5772 - std::sys::backtrace::BacktraceLock::print::heee726a1c5b4a2c3 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5842c5eaa21f - std::panicking::default_hook::{{closure}}::h938489fbb79d30ee [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5842c5eaa0b1 - std::panicking::default_hook::hf7e155db98319366 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5842c5d3248e - as core::ops::function::Fn>::call::h8041688d09537997 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5842c5d3248e - test::test_main_with_exit_callback::{{closure}}::hc8a7ea1f38432726 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5842c5eaa8be - as core::ops::function::Fn>::call::h688488cd0fff9b17 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5842c5eaa8be - std::panicking::panic_with_hook::h78bb7329978b77c8 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5842c5eaa68a - std::panicking::panic_handler::{{closure}}::h306ab6080b8e304c [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5842c5ea58b9 - std::sys::backtrace::__rust_end_short_backtrace::hab10906eec9c5584 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5842c5e8d8ad - __rustc[31cdaa5515be9d95]::rust_begin_unwind [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5842c5ee52f0 - core::panicking::panic_fmt::h8cb2938d8e2b0e7b [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5842c5ee4726 - core::result::unwrap_failed::h781900d7f82db671 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x5842c5d0acc8 - core::result::Result::unwrap::h4a3692261d0e1e8a [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x5842c5d0acc8 - rustlings::exercise::test::test_exercise_with_output::hcb9fc64b3bc67fa3 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:342:38 [INFO] [stdout] 22: 0x5842c5d0af47 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hdac4eb065be40969 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:335:35 [INFO] [stdout] 23: 0x5842c5d079f6 - core::ops::function::FnOnce::call_once::h6c942fece0902716 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5842c5d3224b - core::ops::function::FnOnce::call_once::ha1081c2f5558e6c0 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5842c5d3224b - test::__rust_begin_short_backtrace::h42034e8abb013a4c [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5842c5d47d55 - test::run_test_in_process::{{closure}}::hf6d2134f58bf7650 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5842c5d47d55 - as core::ops::function::FnOnce<()>>::call_once::hecbf148a08d929b4 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5842c5d47d55 - std::panicking::catch_unwind::do_call::hdd8f84f296c52439 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5842c5d47d55 - std::panicking::catch_unwind::h3fd77bcad74bf69c [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5842c5d47d55 - std::panic::catch_unwind::h512ad17f65705767 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5842c5d47d55 - test::run_test_in_process::h2b79c7cc828fafad [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5842c5d47d55 - test::run_test::{{closure}}::hc287323e9e7aa380 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5842c5d1e724 - test::run_test::{{closure}}::h26852bc3095664f0 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5842c5d1e724 - std::sys::backtrace::__rust_begin_short_backtrace::he88c7ba58706034f [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5842c5d21f5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff63832735ca5300 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5842c5d21f5a - as core::ops::function::FnOnce<()>>::call_once::h5618784f23b8bacb [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5842c5d21f5a - std::panicking::catch_unwind::do_call::hd103d0697f7d2f72 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5842c5d21f5a - std::panicking::catch_unwind::h947b18413ee60fc2 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5842c5d21f5a - std::panic::catch_unwind::h51f47dbca8916fbf [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5842c5d21f5a - std::thread::Builder::spawn_unchecked_::{{closure}}::h92bd4fc7ba1a8896 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5842c5d21f5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1edf6ba5edb7a202 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5842c5e9f99f - as core::ops::function::FnOnce>::call_once::h6765fcdde4c5daa4 [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5842c5e9f99f - std::sys::pal::unix::thread::Thread::new::thread_start::h448c4dadc391362b [INFO] [stdout] at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x796db34f2aa4 - [INFO] [stdout] 45: 0x796db357fa34 - 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 0.14s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "4e2e4c84be65334253e15026efd6e5ae5cb914aa91a770daebb9829bb19e55c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e2e4c84be65334253e15026efd6e5ae5cb914aa91a770daebb9829bb19e55c3", kill_on_drop: false }` [INFO] [stdout] 4e2e4c84be65334253e15026efd6e5ae5cb914aa91a770daebb9829bb19e55c3