[INFO] cloning repository https://github.com/tiruka/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiruka/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiruka%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiruka%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56a0cd91dbe6df6b16872ec2eddc5d7cab0e8c7e [INFO] testing tiruka/rustlings against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiruka%2Frustlings" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tiruka/rustlings [INFO] finished tweaking git repo https://github.com/tiruka/rustlings [INFO] tweaked toml for git repo https://github.com/tiruka/rustlings written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tiruka/rustlings on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tiruka/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded which v6.0.1 [INFO] [stderr] Downloaded winnow v0.6.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bbd3a783f1ecaec914adc285bc1e9776079b07c2dd1db22c5e94cdadedaa7cda [INFO] running `Command { std: "docker" "start" "-a" "bbd3a783f1ecaec914adc285bc1e9776079b07c2dd1db22c5e94cdadedaa7cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbd3a783f1ecaec914adc285bc1e9776079b07c2dd1db22c5e94cdadedaa7cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbd3a783f1ecaec914adc285bc1e9776079b07c2dd1db22c5e94cdadedaa7cda", kill_on_drop: false }` [INFO] [stdout] bbd3a783f1ecaec914adc285bc1e9776079b07c2dd1db22c5e94cdadedaa7cda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 557dbb5c45f17fb02463d959178c53be10e5f55cd55d8967599b15faf9c5342a [INFO] running `Command { std: "docker" "start" "-a" "557dbb5c45f17fb02463d959178c53be10e5f55cd55d8967599b15faf9c5342a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling anstyle v1.0.6 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling strsim v0.11.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling winnow v0.6.5 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling anstream v0.6.13 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling indicatif v0.17.8 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling which v6.0.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling serde_spanned v0.6.5 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling toml_edit v0.22.9 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.88s [INFO] running `Command { std: "docker" "inspect" "557dbb5c45f17fb02463d959178c53be10e5f55cd55d8967599b15faf9c5342a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "557dbb5c45f17fb02463d959178c53be10e5f55cd55d8967599b15faf9c5342a", kill_on_drop: false }` [INFO] [stdout] 557dbb5c45f17fb02463d959178c53be10e5f55cd55d8967599b15faf9c5342a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 7edf4520cb5cc51c090e8c809125349556924b10a766318e9207cc9a7a0f3c13 [INFO] running `Command { std: "docker" "start" "-a" "7edf4520cb5cc51c090e8c809125349556924b10a766318e9207cc9a7a0f3c13", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling assert_cmd v2.0.14 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling bstr v1.9.1 [INFO] [stderr] Compiling predicates v3.1.0 [INFO] [stderr] Compiling rustlings v5.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 11.95s [INFO] running `Command { std: "docker" "inspect" "7edf4520cb5cc51c090e8c809125349556924b10a766318e9207cc9a7a0f3c13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7edf4520cb5cc51c090e8c809125349556924b10a766318e9207cc9a7a0f3c13", kill_on_drop: false }` [INFO] [stdout] 7edf4520cb5cc51c090e8c809125349556924b10a766318e9207cc9a7a0f3c13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] eebc05c139c216969cd061ee929341cb28f101e469bc3f1fca90145b0c072f76 [INFO] running `Command { std: "docker" "start" "-a" "eebc05c139c216969cd061ee929341cb28f101e469bc3f1fca90145b0c072f76", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/exercise.rs:125:20 [INFO] [stderr] | [INFO] [stderr] 125 | pub fn compile(&self) -> Result { [INFO] [stderr] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 125 | 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 0.19s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rustlings-90577faa2f31eed4) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_not_done ... 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' panicked at src/exercise.rs:354:35: [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: 0x7e97102488e2 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x7e97102488e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x7e97102488e2 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x7e97102488e2 - ::fmt::hb62c8ed31943daa5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x7e9710282cb3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x7e9710282cb3 - core::fmt::write::h375399f8cb90b45a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25 [INFO] [stdout] 6: 0x7e9710245af3 - std::io::default_write_fmt::hdc1b4dd565dd0099 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x7e9710245af3 - std::io::Write::write_fmt::h29f6044e9bc43c23 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x7e9710248732 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x7e9710249f5c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x7e9710249db2 - std::panicking::default_hook::h8c8a86b4390ab794 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x7e971020b974 - as core::ops::function::Fn>::call::ha39ae63ed1e9a130 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x7e971020b974 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x7e971024a8e3 - as core::ops::function::Fn>::call::h96b7201b552e9069 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x7e971024a8e3 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x7e971024a6aa - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x7e9710248dd9 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x7e971024a33d - __rustc[f4ffc7196a45a630]::rust_begin_unwind [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x7e97101bdec0 - core::panicking::panic_fmt::h8cdd4c81eb9069aa [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x7e97101be2f6 - core::result::unwrap_failed::h8476ffaa6db8205b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5 [INFO] [stdout] 20: 0x7e97101ceaf4 - core::result::Result::unwrap::h88a6df477ceba192 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1167:23 [INFO] [stdout] 21: 0x7e97101ceaf4 - rustlings::exercise::test::test_clean::hcbaa9249e6eccaf5 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:354:35 [INFO] [stdout] 22: 0x7e97101cea77 - rustlings::exercise::test::test_clean::{{closure}}::h9e62143be4bc46e0 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:353:20 [INFO] [stdout] 23: 0x7e97101caf76 - core::ops::function::FnOnce::call_once::hd259bbde67b80db6 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x7e971021106b - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x7e971021106b - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x7e97102102de - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74 [INFO] [stdout] 27: 0x7e97102102de - as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x7e97102102de - std::panicking::catch_unwind::do_call::hf4843906108d6299 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x7e97102102de - std::panicking::catch_unwind::h849d4e8b03577bb9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x7e97102102de - std::panic::catch_unwind::ha1f814c1dec025d2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x7e97102102de - test::run_test_in_process::h542aad3fe61255e7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x7e97102102de - test::run_test::{{closure}}::h612788d75908cb63 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x7e97101d5164 - test::run_test::{{closure}}::hbfeea3bcb7245123 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x7e97101d5164 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x7e97101d895a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x7e97101d895a - as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x7e97101d895a - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x7e97101d895a - std::panicking::catch_unwind::h454dd49873d22e18 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x7e97101d895a - std::panic::catch_unwind::h5c15187324f8cebb [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x7e97101d895a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x7e97101d895a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x7e971024d337 - as core::ops::function::FnOnce>::call_once::h2d6e2e526b02c3da [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x7e971024d337 - as core::ops::function::FnOnce>::call_once::h1aefced482b33c72 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x7e971024d337 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:445:38: [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/./rmetanXys8E\"\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: 0x7e97102488e2 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x7e97102488e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x7e97102488e2 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x7e97102488e2 - ::fmt::hb62c8ed31943daa5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x7e9710282cb3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x7e9710282cb3 - core::fmt::write::h375399f8cb90b45a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25 [INFO] [stdout] 6: 0x7e9710245af3 - std::io::default_write_fmt::hdc1b4dd565dd0099 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x7e9710245af3 - std::io::Write::write_fmt::h29f6044e9bc43c23 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x7e9710248732 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x7e9710249f5c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x7e9710249db2 - std::panicking::default_hook::h8c8a86b4390ab794 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x7e971020b974 - as core::ops::function::Fn>::call::ha39ae63ed1e9a130 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x7e971020b974 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x7e971024a8e3 - as core::ops::function::Fn>::call::h96b7201b552e9069 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x7e971024a8e3 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x7e971024a6aa - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x7e9710248dd9 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x7e971024a33d - __rustc[f4ffc7196a45a630]::rust_begin_unwind [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x7e97101bdec0 - core::panicking::panic_fmt::h8cdd4c81eb9069aa [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x7e97101be2f6 - core::result::unwrap_failed::h8476ffaa6db8205b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5 [INFO] [stdout] 20: 0x7e97101cf962 - core::result::Result::unwrap::hc72a9d627843ea73 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1167:23 [INFO] [stdout] 21: 0x7e97101cf962 - rustlings::exercise::test::test_exercise_with_output::he81a41f867a70ea9 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:445:38 [INFO] [stdout] 22: 0x7e97101cf767 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h04c3549c779c973f [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:438:35 [INFO] [stdout] 23: 0x7e97101caeb6 - core::ops::function::FnOnce::call_once::ha163487f3c38db53 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x7e971021106b - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x7e971021106b - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18 [INFO] [stdout] 26: 0x7e97102102de - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74 [INFO] [stdout] 27: 0x7e97102102de - as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x7e97102102de - std::panicking::catch_unwind::do_call::hf4843906108d6299 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 29: 0x7e97102102de - std::panicking::catch_unwind::h849d4e8b03577bb9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 30: 0x7e97102102de - std::panic::catch_unwind::ha1f814c1dec025d2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x7e97102102de - test::run_test_in_process::h542aad3fe61255e7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27 [INFO] [stdout] 32: 0x7e97102102de - test::run_test::{{closure}}::h612788d75908cb63 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43 [INFO] [stdout] 33: 0x7e97101d5164 - test::run_test::{{closure}}::hbfeea3bcb7245123 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41 [INFO] [stdout] 34: 0x7e97101d5164 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 35: 0x7e97101d895a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x7e97101d895a - as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x7e97101d895a - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 38: 0x7e97101d895a - std::panicking::catch_unwind::h454dd49873d22e18 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 39: 0x7e97101d895a - std::panic::catch_unwind::h5c15187324f8cebb [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x7e97101d895a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x7e97101d895a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x7e971024d337 - as core::ops::function::FnOnce>::call_once::h2d6e2e526b02c3da [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 43: 0x7e971024d337 - as core::ops::function::FnOnce>::call_once::h1aefced482b33c72 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x7e971024d337 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17 [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. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "eebc05c139c216969cd061ee929341cb28f101e469bc3f1fca90145b0c072f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eebc05c139c216969cd061ee929341cb28f101e469bc3f1fca90145b0c072f76", kill_on_drop: false }` [INFO] [stdout] eebc05c139c216969cd061ee929341cb28f101e469bc3f1fca90145b0c072f76