[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-hfzhaohf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-hfzhaohf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-hfzhaohf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-hfzhaohf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cea9073cdf45afd50ba336810cbb947a0f5668d0 [INFO] testing cicvedu/rust-rustlings-hfzhaohf against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-hfzhaohf" "/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/cicvedu/rust-rustlings-hfzhaohf [INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-hfzhaohf [INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-hfzhaohf written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-hfzhaohf on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cicvedu/rust-rustlings-hfzhaohf 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded predicates-core v1.0.6 [INFO] [stderr] Downloaded termtree v0.4.1 [INFO] [stderr] Downloaded console v0.15.7 [INFO] [stderr] Downloaded argh_derive v0.1.10 [INFO] [stderr] Downloaded argh_shared v0.1.10 [INFO] [stderr] Downloaded argh v0.1.10 [INFO] [stderr] Downloaded predicates-tree v1.0.9 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b7b8a3599aab9d1d1eeb183e8f4035f9e926d535c6ff797d0ea9086d996f493 [INFO] running `Command { std: "docker" "start" "-a" "8b7b8a3599aab9d1d1eeb183e8f4035f9e926d535c6ff797d0ea9086d996f493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b7b8a3599aab9d1d1eeb183e8f4035f9e926d535c6ff797d0ea9086d996f493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7b8a3599aab9d1d1eeb183e8f4035f9e926d535c6ff797d0ea9086d996f493", kill_on_drop: false }` [INFO] [stdout] 8b7b8a3599aab9d1d1eeb183e8f4035f9e926d535c6ff797d0ea9086d996f493 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ac4e69fd417ebdbed399f420a948017c527b89ba83da1bc9ea493352adbe811 [INFO] running `Command { std: "docker" "start" "-a" "3ac4e69fd417ebdbed399f420a948017c527b89ba83da1bc9ea493352adbe811", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling filetime v0.2.21 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling itoa v1.0.8 [INFO] [stderr] Compiling pin-project-lite v0.2.10 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling ryu v1.0.14 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling argh_derive v0.1.10 [INFO] [stderr] Compiling argh v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [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 32.04s [INFO] running `Command { std: "docker" "inspect" "3ac4e69fd417ebdbed399f420a948017c527b89ba83da1bc9ea493352adbe811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ac4e69fd417ebdbed399f420a948017c527b89ba83da1bc9ea493352adbe811", kill_on_drop: false }` [INFO] [stdout] 3ac4e69fd417ebdbed399f420a948017c527b89ba83da1bc9ea493352adbe811 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a66d3eee0cef173b7f7fbb5153a0a356b393aceca4992e2909737f82420b8225 [INFO] running `Command { std: "docker" "start" "-a" "a66d3eee0cef173b7f7fbb5153a0a356b393aceca4992e2909737f82420b8225", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling difference v2.0.0 [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 5.01s [INFO] running `Command { std: "docker" "inspect" "a66d3eee0cef173b7f7fbb5153a0a356b393aceca4992e2909737f82420b8225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a66d3eee0cef173b7f7fbb5153a0a356b393aceca4992e2909737f82420b8225", kill_on_drop: false }` [INFO] [stdout] a66d3eee0cef173b7f7fbb5153a0a356b393aceca4992e2909737f82420b8225 [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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 133e68f1ed49bfbee318221db49425da9223e88a394f73b98d2d31c862375e4a [INFO] running `Command { std: "docker" "start" "-a" "133e68f1ed49bfbee318221db49425da9223e88a394f73b98d2d31c862375e4a", 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 0.14s [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' (25) 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: 0x5edd1f90f7b2 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5edd1f90f7b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5edd1f90f7b2 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5edd1f90f7b2 - ::fmt::h5bb8a979ba5db788 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5edd1f92059f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5edd1f92059f - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5edd1f8dcd83 - std::io::default_write_fmt::h7d7ad5ed6a883d81 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5edd1f8dcd83 - std::io::Write::write_fmt::hc477d9325b345ece [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5edd1f8e8d82 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5edd1f8ed82f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5edd1f8ed6c1 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5edd1f69398e - as core::ops::function::Fn>::call::h33799d04b0b96146 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5edd1f69398e - test::test_main_with_exit_callback::{{closure}}::h880e31c829a2eb5d [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5edd1f8edece - as core::ops::function::Fn>::call::h5e1b8c652ea49180 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5edd1f8edece - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5edd1f8edc9a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5edd1f8e8eb9 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5edd1f8d0ebd - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5edd1f928ff0 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5edd1f9283e6 - core::result::unwrap_failed::h3ce108722ad88f1e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x5edd1f66acec - core::result::Result::unwrap::he351dfc470a20369 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x5edd1f66acec - rustlings::exercise::test::test_clean::h7455b6e954c57be2 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:303:36 [INFO] [stdout] 22: 0x5edd1f66b0b7 - rustlings::exercise::test::test_clean::{{closure}}::h3f7012288bbe6f1d [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:302:20 [INFO] [stdout] 23: 0x5edd1f661406 - core::ops::function::FnOnce::call_once::h091ea330056a8ced [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5edd1f69378b - core::ops::function::FnOnce::call_once::h7f4b4fba903e39d5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5edd1f69378b - test::__rust_begin_short_backtrace::h9277cb6a2ccfc000 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5edd1f6a9235 - test::run_test_in_process::{{closure}}::h9aea5ca90d1f4423 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5edd1f6a9235 - as core::ops::function::FnOnce<()>>::call_once::h364f5fe6cc8afa85 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5edd1f6a9235 - std::panicking::catch_unwind::do_call::h2b2bec3317fe53ec [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5edd1f6a9235 - std::panicking::catch_unwind::hc3763734156da4af [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5edd1f6a9235 - std::panic::catch_unwind::h28038391e867eabc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5edd1f6a9235 - test::run_test_in_process::had0273166695a036 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5edd1f6a9235 - test::run_test::{{closure}}::h743d09d4bb476605 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5edd1f67fc54 - test::run_test::{{closure}}::he950b8f9118d37e2 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5edd1f67fc54 - std::sys::backtrace::__rust_begin_short_backtrace::hbfaffa6539f6abb7 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5edd1f68353a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcce3c2c65b9c3b20 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5edd1f68353a - as core::ops::function::FnOnce<()>>::call_once::hb66b30b6d37985a5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5edd1f68353a - std::panicking::catch_unwind::do_call::h992bbe2c32dc1d79 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5edd1f68353a - std::panicking::catch_unwind::h412991d5237de610 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5edd1f68353a - std::panic::catch_unwind::ha82b139b3eb5840a [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5edd1f68353a - std::thread::Builder::spawn_unchecked_::{{closure}}::ha823b36f5114938e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5edd1f68353a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf120e7b1db22ac07 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5edd1f8e2faf - as core::ops::function::FnOnce>::call_once::h3e049222c99298ac [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5edd1f8e2faf - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x78f2e69d8aa4 - [INFO] [stdout] 45: 0x78f2e6a65a34 - 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' (26) 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/./rmetaQM1pcI\"\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: 0x5edd1f90f7b2 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5edd1f90f7b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5edd1f90f7b2 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5edd1f90f7b2 - ::fmt::h5bb8a979ba5db788 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5edd1f92059f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5edd1f92059f - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5edd1f8dcd83 - std::io::default_write_fmt::h7d7ad5ed6a883d81 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5edd1f8dcd83 - std::io::Write::write_fmt::hc477d9325b345ece [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5edd1f8e8d82 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5edd1f8ed82f - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5edd1f8ed6c1 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5edd1f69398e - as core::ops::function::Fn>::call::h33799d04b0b96146 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5edd1f69398e - test::test_main_with_exit_callback::{{closure}}::h880e31c829a2eb5d [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5edd1f8edece - as core::ops::function::Fn>::call::h5e1b8c652ea49180 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5edd1f8edece - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5edd1f8edc9a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5edd1f8e8eb9 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5edd1f8d0ebd - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5edd1f928ff0 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5edd1f9283e6 - core::result::unwrap_failed::h3ce108722ad88f1e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x5edd1f66bb28 - core::result::Result::unwrap::hfb7f8a24fe1624e9 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x5edd1f66bb28 - rustlings::exercise::test::test_exercise_with_output::ha137fdc02a517f00 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:376:38 [INFO] [stdout] 22: 0x5edd1f66bda7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hdc2a2a55c85c9ccc [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:369:35 [INFO] [stdout] 23: 0x5edd1f6614d6 - core::ops::function::FnOnce::call_once::hcaf93f02536a17e4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5edd1f69378b - core::ops::function::FnOnce::call_once::h7f4b4fba903e39d5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5edd1f69378b - test::__rust_begin_short_backtrace::h9277cb6a2ccfc000 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5edd1f6a9235 - test::run_test_in_process::{{closure}}::h9aea5ca90d1f4423 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5edd1f6a9235 - as core::ops::function::FnOnce<()>>::call_once::h364f5fe6cc8afa85 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x5edd1f6a9235 - std::panicking::catch_unwind::do_call::h2b2bec3317fe53ec [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5edd1f6a9235 - std::panicking::catch_unwind::hc3763734156da4af [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5edd1f6a9235 - std::panic::catch_unwind::h28038391e867eabc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5edd1f6a9235 - test::run_test_in_process::had0273166695a036 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5edd1f6a9235 - test::run_test::{{closure}}::h743d09d4bb476605 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5edd1f67fc54 - test::run_test::{{closure}}::he950b8f9118d37e2 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5edd1f67fc54 - std::sys::backtrace::__rust_begin_short_backtrace::hbfaffa6539f6abb7 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5edd1f68353a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcce3c2c65b9c3b20 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5edd1f68353a - as core::ops::function::FnOnce<()>>::call_once::hb66b30b6d37985a5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x5edd1f68353a - std::panicking::catch_unwind::do_call::h992bbe2c32dc1d79 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5edd1f68353a - std::panicking::catch_unwind::h412991d5237de610 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5edd1f68353a - std::panic::catch_unwind::ha82b139b3eb5840a [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5edd1f68353a - std::thread::Builder::spawn_unchecked_::{{closure}}::ha823b36f5114938e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5edd1f68353a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf120e7b1db22ac07 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5edd1f8e2faf - as core::ops::function::FnOnce>::call_once::h3e049222c99298ac [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5edd1f8e2faf - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x78f2e69d8aa4 - [INFO] [stdout] 45: 0x78f2e6a65a34 - 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 0.13s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "133e68f1ed49bfbee318221db49425da9223e88a394f73b98d2d31c862375e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "133e68f1ed49bfbee318221db49425da9223e88a394f73b98d2d31c862375e4a", kill_on_drop: false }` [INFO] [stdout] 133e68f1ed49bfbee318221db49425da9223e88a394f73b98d2d31c862375e4a