[INFO] cloning repository https://github.com/snavarros/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snavarros/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnavarros%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnavarros%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bbdf4cd916d724c40a00f3e9be73879fc250904
[INFO] testing snavarros/rustlings against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnavarros%2Frustlings" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snavarros/rustlings
[INFO] finished tweaking git repo https://github.com/snavarros/rustlings
[INFO] tweaked toml for git repo https://github.com/snavarros/rustlings written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snavarros/rustlings on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snavarros/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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded filetime v0.2.20
[INFO] [stderr]   Downloaded home v0.5.4
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8
[INFO] running `Command { std: "docker" "start" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling home v0.5.4
[INFO] [stderr]    Compiling syn v2.0.8
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling regex v1.7.2
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling argh v0.1.10
[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:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] 110 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exercise.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] 110 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[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:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] 110 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/exercise.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] 110 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stderr]     |                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlings` (bin "rustlings") generated 1 warning (run `cargo fix --bin "rustlings" -p rustlings` to apply 1 suggestion)
[INFO] [stderr] warning: `rustlings` (bin "rustlings" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rustlings-bec064e0fec5441c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test exercise::test::test_pending_state ... ok
[INFO] [stdout] test exercise::test::test_clean ... FAILED
[INFO] [stdout] test exercise::test::test_finished_exercise ... ok
[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' (1179) panicked at src/exercise.rs:273:36:
[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:     0x5cac5d12a781 - <<std[97b98282bc616a66]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[832e9a552fc17241]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5cac5d13f5ea - core[832e9a552fc17241]::fmt::write
[INFO] [stdout]    2:     0x5cac5d12ed0c - <alloc[3ecab9f82c41dc7d]::vec::Vec<u8> as std[97b98282bc616a66]::io::Write>::write_fmt
[INFO] [stdout]    3:     0x5cac5d108a76 - std[97b98282bc616a66]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5cac5d122689 - std[97b98282bc616a66]::panicking::default_hook
[INFO] [stdout]    5:     0x5cac5d04b7c0 - test[39766f3d73431624]::test_main_inner::<test[39766f3d73431624]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5cac5d122842 - std[97b98282bc616a66]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5cac5d108b22 - std[97b98282bc616a66]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5cac5d100399 - std[97b98282bc616a66]::sys::backtrace::__rust_end_short_backtrace::<std[97b98282bc616a66]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5cac5d10971d - __rustc[e3d8617bb01b7f69]::rust_begin_unwind
[INFO] [stdout]   10:     0x5cac5d13fd4c - core[832e9a552fc17241]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5cac5d13fb22 - core[832e9a552fc17241]::result::unwrap_failed
[INFO] [stdout]   12:     0x5cac5d03b483 - rustlings[f0c46b57ab0367f6]::exercise::test::test_clean
[INFO] [stdout]   13:     0x5cac5d03ada9 - <rustlings[f0c46b57ab0367f6]::exercise::test::test_clean::{closure#0} as core[832e9a552fc17241]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5cac5d03eafb - test[39766f3d73431624]::__rust_begin_short_backtrace::<core[832e9a552fc17241]::result::Result<(), alloc[3ecab9f82c41dc7d]::string::String>, fn() -> core[832e9a552fc17241]::result::Result<(), alloc[3ecab9f82c41dc7d]::string::String>>
[INFO] [stdout]   15:     0x5cac5d04c145 - test[39766f3d73431624]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5cac5d046bf4 - std[97b98282bc616a66]::sys::backtrace::__rust_begin_short_backtrace::<test[39766f3d73431624]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5cac5d04f292 - <std[97b98282bc616a66]::thread::lifecycle::spawn_unchecked<test[39766f3d73431624]::run_test::{closure#1}, ()>::{closure#1} as core[832e9a552fc17241]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5cac5d129e0f - <std[97b98282bc616a66]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x78429e27707a - <unknown>
[INFO] [stdout]   20:     0x78429e30a534 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'exercise::test::test_exercise_with_output' (1180) panicked at src/exercise.rs:346:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[1m\u{1b}[91merror\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetaWqNFhk\"\u{1b}[0m\n\n\u{1b}[1m\u{1b}[91merror\u{1b}[0m\u{1b}[1m: aborting due to 1 previous error\u{1b}[0m\n\n" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cac5d12a781 - <<std[97b98282bc616a66]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[832e9a552fc17241]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5cac5d13f5ea - core[832e9a552fc17241]::fmt::write
[INFO] [stdout]    2:     0x5cac5d12ed0c - <alloc[3ecab9f82c41dc7d]::vec::Vec<u8> as std[97b98282bc616a66]::io::Write>::write_fmt
[INFO] [stdout]    3:     0x5cac5d108a76 - std[97b98282bc616a66]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5cac5d122689 - std[97b98282bc616a66]::panicking::default_hook
[INFO] [stdout]    5:     0x5cac5d04b7c0 - test[39766f3d73431624]::test_main_inner::<test[39766f3d73431624]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5cac5d122842 - std[97b98282bc616a66]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5cac5d108b22 - std[97b98282bc616a66]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5cac5d100399 - std[97b98282bc616a66]::sys::backtrace::__rust_end_short_backtrace::<std[97b98282bc616a66]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5cac5d10971d - __rustc[e3d8617bb01b7f69]::rust_begin_unwind
[INFO] [stdout]   10:     0x5cac5d13fd4c - core[832e9a552fc17241]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5cac5d13fb22 - core[832e9a552fc17241]::result::unwrap_failed
[INFO] [stdout]   12:     0x5cac5d03c40c - rustlings[f0c46b57ab0367f6]::exercise::test::test_exercise_with_output
[INFO] [stdout]   13:     0x5cac5d03ae09 - <rustlings[f0c46b57ab0367f6]::exercise::test::test_exercise_with_output::{closure#0} as core[832e9a552fc17241]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5cac5d03eafb - test[39766f3d73431624]::__rust_begin_short_backtrace::<core[832e9a552fc17241]::result::Result<(), alloc[3ecab9f82c41dc7d]::string::String>, fn() -> core[832e9a552fc17241]::result::Result<(), alloc[3ecab9f82c41dc7d]::string::String>>
[INFO] [stdout]   15:     0x5cac5d04c145 - test[39766f3d73431624]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5cac5d046bf4 - std[97b98282bc616a66]::sys::backtrace::__rust_begin_short_backtrace::<test[39766f3d73431624]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5cac5d04f292 - <std[97b98282bc616a66]::thread::lifecycle::spawn_unchecked<test[39766f3d73431624]::run_test::{closure#1}, ()>::{closure#1} as core[832e9a552fc17241]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5cac5d129e0f - <std[97b98282bc616a66]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x78429e27707a - <unknown>
[INFO] [stdout]   20:     0x78429e30a534 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     exercise::test::test_clean
[INFO] [stdout]     exercise::test::test_exercise_with_output
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] running `Command { std: "docker" "inspect" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8", kill_on_drop: false }`
[INFO] [stdout] 052435983a6c2d61b2130272647511c6bbf10e198e79501579c6d489570b3bb8
