[INFO] cloning repository https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-pickanameforlove", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-pickanameforlove'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaad0ed0d4ae3c095b260d6ebfca7a2992ba5e65
[INFO] testing LearningOS/learn_rust_rustlings-pickanameforlove against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-pickanameforlove" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing LearningOS/learn_rust_rustlings-pickanameforlove against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-pickanameforlove" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing LearningOS/learn_rust_rustlings-pickanameforlove against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-pickanameforlove" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove
[INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-pickanameforlove 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bb7b31eae191912a55cc382358b2732f7ef54e672fbfffb0ccc2f742572fc45
[INFO] running `Command { std: "docker" "start" "-a" "4bb7b31eae191912a55cc382358b2732f7ef54e672fbfffb0ccc2f742572fc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bb7b31eae191912a55cc382358b2732f7ef54e672fbfffb0ccc2f742572fc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb7b31eae191912a55cc382358b2732f7ef54e672fbfffb0ccc2f742572fc45", kill_on_drop: false }`
[INFO] [stdout] 4bb7b31eae191912a55cc382358b2732f7ef54e672fbfffb0ccc2f742572fc45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e810630e0fe2c9be3c651200431c5d9b778c674f2b501d22fd30537ec683c489
[INFO] running `Command { std: "docker" "start" "-a" "e810630e0fe2c9be3c651200431c5d9b778c674f2b501d22fd30537ec683c489", 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 log v0.4.14
[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 slab v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling argh v0.1.5
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling rustlings v4.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.58s
[INFO] running `Command { std: "docker" "inspect" "e810630e0fe2c9be3c651200431c5d9b778c674f2b501d22fd30537ec683c489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e810630e0fe2c9be3c651200431c5d9b778c674f2b501d22fd30537ec683c489", kill_on_drop: false }`
[INFO] [stdout] e810630e0fe2c9be3c651200431c5d9b778c674f2b501d22fd30537ec683c489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69558163822b6b469211cb4c3490ed35d22f70dfa5c395e63c5fceaf3370f8f5
[INFO] running `Command { std: "docker" "start" "-a" "69558163822b6b469211cb4c3490ed35d22f70dfa5c395e63c5fceaf3370f8f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[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 v4.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "69558163822b6b469211cb4c3490ed35d22f70dfa5c395e63c5fceaf3370f8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69558163822b6b469211cb4c3490ed35d22f70dfa5c395e63c5fceaf3370f8f5", kill_on_drop: false }`
[INFO] [stdout] 69558163822b6b469211cb4c3490ed35d22f70dfa5c395e63c5fceaf3370f8f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90cbd7d09b4f54d67634f3194ecf7e0ee896afca27f46452d071b897f0e43552
[INFO] running `Command { std: "docker" "start" "-a" "90cbd7d09b4f54d67634f3194ecf7e0ee896afca27f46452d071b897f0e43552", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustlings-464ad91fc51e937d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-e57c461bff615e2e)
[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] thread 'exercise::test::test_clean' 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:     0x56110197cbe5 - std::backtrace_rs::backtrace::libunwind::trace::h68acc96dd29bfb25
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56110197cbe5 - std::backtrace_rs::backtrace::trace_unsynchronized::hc833f810d39d5258
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56110197cbe5 - std::sys::backtrace::_print_fmt::h5f23caa5b7652308
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56110197cbe5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hc81f55a2b3efffd1
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5611019a459b - core::fmt::rt::Argument::fmt::h731d8ba6b9c446d6
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5611019a459b - core::fmt::write::h6e5816e68b47f713
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/mod.rs:1178:21
[INFO] [stdout]    6:     0x561101979edf - std::io::Write::write_fmt::h3726facc0aa8eb67
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/io/mod.rs:1823:15
[INFO] [stdout]    7:     0x56110197e401 - std::sys::backtrace::BacktraceLock::print::hb98272574ac3b700
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56110197e401 - std::panicking::default_hook::{{closure}}::h979aa01ca70f7f8f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:266:22
[INFO] [stdout]    9:     0x56110197dfa8 - std::panicking::default_hook::h17e52f086133e6fd
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x5611017f94ca - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4e1615f02d9f709a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9
[INFO] [stdout]   11:     0x5611017f94ca - test::test_main::{{closure}}::hc8df444856fcb257
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:132:21
[INFO] [stdout]   12:     0x56110197ed0f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hac606c4d68b970a6
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9
[INFO] [stdout]   13:     0x56110197ed0f - std::panicking::rust_panic_with_hook::h694bfcec6451de5a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:805:13
[INFO] [stdout]   14:     0x56110197e937 - std::panicking::begin_panic_handler::{{closure}}::hbd9f22f307951c96
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:671:13
[INFO] [stdout]   15:     0x56110197d0a9 - std::sys::backtrace::__rust_end_short_backtrace::h6e4502eb3c3e7834
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56110197e5c4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:662:5
[INFO] [stdout]   17:     0x5611019a2e93 - core::panicking::panic_fmt::ha6b90685af50061f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5611019a33e6 - core::result::unwrap_failed::hd560a7b205ae5674
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1679:5
[INFO] [stdout]   19:     0x5611017b927a - core::result::Result<T,E>::unwrap::hf1f725e53e1fa160
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1102:23
[INFO] [stdout]   20:     0x5611017b927a - rustlings::exercise::test::test_clean::h269d45f025d513e0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:269:9
[INFO] [stdout]   21:     0x5611017b91b7 - rustlings::exercise::test::test_clean::{{closure}}::h64ef8279d4c576d1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:268:20
[INFO] [stdout]   22:     0x5611017b66e6 - core::ops::function::FnOnce::call_once::h4ac37c168d0994eb
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5611017fe04b - core::ops::function::FnOnce::call_once::h321fab3f659b8f1c
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5611017fe04b - test::__rust_begin_short_backtrace::h7bcdd7ef45d5d11d
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x5611017fd865 - test::run_test_in_process::{{closure}}::h7e5c4c77b843c962
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x5611017fd865 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9465365bda0c96e1
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5611017fd865 - std::panicking::try::do_call::h464859d60fe36ac8
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x5611017fd865 - std::panicking::try::h10bb685f1ad0ff38
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x5611017fd865 - std::panic::catch_unwind::hf3392dbe1556c5c7
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14
[INFO] [stdout]   30:     0x5611017fd865 - test::run_test_in_process::hc7c0ab6dab190e49
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x5611017fd865 - test::run_test::{{closure}}::hdb2183b5de946a08
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:564:43
[INFO] [stdout]   32:     0x5611017c3134 - test::run_test::{{closure}}::h8dcd9e4e5e3fbe5f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x5611017c3134 - std::sys::backtrace::__rust_begin_short_backtrace::h41bf17e9b9ace8bc
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5611017c6902 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h63bd96fcdd52032f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:524:17
[INFO] [stdout]   35:     0x5611017c6902 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha8ff5ca2e19c8b3f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5611017c6902 - std::panicking::try::do_call::h2c72967242944c46
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40
[INFO] [stdout]   37:     0x5611017c6902 - std::panicking::try::h84beb938f6030c53
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19
[INFO] [stdout]   38:     0x5611017c6902 - std::panic::catch_unwind::hca4383a7a644e749
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14
[INFO] [stdout]   39:     0x5611017c6902 - std::thread::Builder::spawn_unchecked_::{{closure}}::h88915884a74f8e2a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:523:30
[INFO] [stdout]   40:     0x5611017c6902 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4c032c9efdb7212a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56110198303b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h809cb44187f4e360
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9
[INFO] [stdout]   42:     0x56110198303b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h670f08f0ab61db1b
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9
[INFO] [stdout]   43:     0x56110198303b - std::sys::pal::unix::thread::Thread::new::thread_start::hee2b0396d7ed5bcb
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7fc3c0575ac3 - <unknown>
[INFO] [stdout]   45:     0x7fc3c0606a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ----
[INFO] [stdout] thread 'exercise::test::test_exercise_with_output' 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/./rmeta1c53SK\"\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:     0x56110197cbe5 - std::backtrace_rs::backtrace::libunwind::trace::h68acc96dd29bfb25
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56110197cbe5 - std::backtrace_rs::backtrace::trace_unsynchronized::hc833f810d39d5258
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56110197cbe5 - std::sys::backtrace::_print_fmt::h5f23caa5b7652308
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56110197cbe5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hc81f55a2b3efffd1
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5611019a459b - core::fmt::rt::Argument::fmt::h731d8ba6b9c446d6
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5611019a459b - core::fmt::write::h6e5816e68b47f713
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/fmt/mod.rs:1178:21
[INFO] [stdout]    6:     0x561101979edf - std::io::Write::write_fmt::h3726facc0aa8eb67
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/io/mod.rs:1823:15
[INFO] [stdout]    7:     0x56110197e401 - std::sys::backtrace::BacktraceLock::print::hb98272574ac3b700
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56110197e401 - std::panicking::default_hook::{{closure}}::h979aa01ca70f7f8f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:266:22
[INFO] [stdout]    9:     0x56110197dfa8 - std::panicking::default_hook::h17e52f086133e6fd
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x5611017f94ca - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4e1615f02d9f709a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9
[INFO] [stdout]   11:     0x5611017f94ca - test::test_main::{{closure}}::hc8df444856fcb257
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:132:21
[INFO] [stdout]   12:     0x56110197ed0f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hac606c4d68b970a6
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2162:9
[INFO] [stdout]   13:     0x56110197ed0f - std::panicking::rust_panic_with_hook::h694bfcec6451de5a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:805:13
[INFO] [stdout]   14:     0x56110197e937 - std::panicking::begin_panic_handler::{{closure}}::hbd9f22f307951c96
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:671:13
[INFO] [stdout]   15:     0x56110197d0a9 - std::sys::backtrace::__rust_end_short_backtrace::h6e4502eb3c3e7834
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56110197e5c4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:662:5
[INFO] [stdout]   17:     0x5611019a2e93 - core::panicking::panic_fmt::ha6b90685af50061f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5611019a33e6 - core::result::unwrap_failed::hd560a7b205ae5674
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1679:5
[INFO] [stdout]   19:     0x5611017ba0da - core::result::Result<T,E>::unwrap::hea4932f06a193ba0
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/result.rs:1102:23
[INFO] [stdout]   20:     0x5611017ba0da - rustlings::exercise::test::test_exercise_with_output::h1d4ab3f100e4e3e9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:342:19
[INFO] [stdout]   21:     0x5611017b9ee7 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h8bc766d3f0e92f15
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:335:35
[INFO] [stdout]   22:     0x5611017b6726 - core::ops::function::FnOnce::call_once::h639114dd1e285cd0
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5611017fe04b - core::ops::function::FnOnce::call_once::h321fab3f659b8f1c
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5611017fe04b - test::__rust_begin_short_backtrace::h7bcdd7ef45d5d11d
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x5611017fd865 - test::run_test_in_process::{{closure}}::h7e5c4c77b843c962
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x5611017fd865 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9465365bda0c96e1
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5611017fd865 - std::panicking::try::do_call::h464859d60fe36ac8
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x5611017fd865 - std::panicking::try::h10bb685f1ad0ff38
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x5611017fd865 - std::panic::catch_unwind::hf3392dbe1556c5c7
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14
[INFO] [stdout]   30:     0x5611017fd865 - test::run_test_in_process::hc7c0ab6dab190e49
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x5611017fd865 - test::run_test::{{closure}}::hdb2183b5de946a08
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:564:43
[INFO] [stdout]   32:     0x5611017c3134 - test::run_test::{{closure}}::h8dcd9e4e5e3fbe5f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x5611017c3134 - std::sys::backtrace::__rust_begin_short_backtrace::h41bf17e9b9ace8bc
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5611017c6902 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h63bd96fcdd52032f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:524:17
[INFO] [stdout]   35:     0x5611017c6902 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha8ff5ca2e19c8b3f
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5611017c6902 - std::panicking::try::do_call::h2c72967242944c46
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:554:40
[INFO] [stdout]   37:     0x5611017c6902 - std::panicking::try::h84beb938f6030c53
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panicking.rs:518:19
[INFO] [stdout]   38:     0x5611017c6902 - std::panic::catch_unwind::hca4383a7a644e749
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/panic.rs:345:14
[INFO] [stdout]   39:     0x5611017c6902 - std::thread::Builder::spawn_unchecked_::{{closure}}::h88915884a74f8e2a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/thread/mod.rs:523:30
[INFO] [stdout]   40:     0x5611017c6902 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4c032c9efdb7212a
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56110198303b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h809cb44187f4e360
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9
[INFO] [stdout]   42:     0x56110198303b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h670f08f0ab61db1b
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/alloc/src/boxed.rs:2148:9
[INFO] [stdout]   43:     0x56110198303b - std::sys::pal::unix::thread::Thread::new::thread_start::hee2b0396d7ed5bcb
[INFO] [stdout]                                at /rustc/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7fc3c0575ac3 - <unknown>
[INFO] [stdout]   45:     0x7fc3c0606a04 - clone
[INFO] [stdout]   46:                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 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] running `Command { std: "docker" "inspect" "90cbd7d09b4f54d67634f3194ecf7e0ee896afca27f46452d071b897f0e43552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cbd7d09b4f54d67634f3194ecf7e0ee896afca27f46452d071b897f0e43552", kill_on_drop: false }`
[INFO] [stdout] 90cbd7d09b4f54d67634f3194ecf7e0ee896afca27f46452d071b897f0e43552