[INFO] cloning repository https://github.com/GersiD/rustlings_GD
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GersiD/rustlings_GD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGersiD%2Frustlings_GD", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGersiD%2Frustlings_GD'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36326963914494d2ac1dffb30ae3a3ffa7afd3da
[INFO] testing GersiD/rustlings_GD against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGersiD%2Frustlings_GD" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GersiD/rustlings_GD
[INFO] finished tweaking git repo https://github.com/GersiD/rustlings_GD
[INFO] tweaked toml for git repo https://github.com/GersiD/rustlings_GD written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GersiD/rustlings_GD on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GersiD/rustlings_GD 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a37f8abcf977b72d153b8abd0d2484c2edff07316e59dac1e05f0f4562ccd8
[INFO] running `Command { std: "docker" "start" "-a" "54a37f8abcf977b72d153b8abd0d2484c2edff07316e59dac1e05f0f4562ccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a37f8abcf977b72d153b8abd0d2484c2edff07316e59dac1e05f0f4562ccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a37f8abcf977b72d153b8abd0d2484c2edff07316e59dac1e05f0f4562ccd8", kill_on_drop: false }`
[INFO] [stdout] 54a37f8abcf977b72d153b8abd0d2484c2edff07316e59dac1e05f0f4562ccd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8277b919b25a504a599a9a3edeaba884df083795e8fa3c21c0e41fbb52e2f58
[INFO] running `Command { std: "docker" "start" "-a" "b8277b919b25a504a599a9a3edeaba884df083795e8fa3c21c0e41fbb52e2f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling home v0.5.4
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling regex v1.7.1
[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 serde_json v1.0.94
[INFO] [stderr]    Compiling rustlings v5.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]   --> exercises/error_handling/errors5.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::num::ParseIntError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> exercises/iterators/iterators3.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(e) => return (),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec0`
[INFO] [stdout]  --> exercises/move_semantics/move_semantics4.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let vec0: Vec<i32> = Vec::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_vec0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> exercises/strings/strings3.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn trim_me(mut input: &str) -> String {
[INFO] [stdout]   |            ----^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> exercises/options/options3.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     y; // Fix without deleting this line.
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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 `dev` profile [unoptimized + debuginfo] target(s) in 29.84s
[INFO] running `Command { std: "docker" "inspect" "b8277b919b25a504a599a9a3edeaba884df083795e8fa3c21c0e41fbb52e2f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8277b919b25a504a599a9a3edeaba884df083795e8fa3c21c0e41fbb52e2f58", kill_on_drop: false }`
[INFO] [stdout] b8277b919b25a504a599a9a3edeaba884df083795e8fa3c21c0e41fbb52e2f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d651ad61b892c5b663cb492b4b1508b9da9446b05825a42abb555497790f35
[INFO] running `Command { std: "docker" "start" "-a" "c8d651ad61b892c5b663cb492b4b1508b9da9446b05825a42abb555497790f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.5
[INFO] [stderr]    Compiling termtree v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]   --> exercises/error_handling/errors5.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::num::ParseIntError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> exercises/iterators/iterators3.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(e) => return (),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec0`
[INFO] [stdout]  --> exercises/move_semantics/move_semantics4.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let vec0: Vec<i32> = Vec::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_vec0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> exercises/strings/strings3.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn trim_me(mut input: &str) -> String {
[INFO] [stdout]   |            ----^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> exercises/options/options3.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     y; // Fix without deleting this line.
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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-tree v1.0.7
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling rustlings v5.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]   --> exercises/error_handling/errors5.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::num::ParseIntError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> exercises/iterators/iterators3.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(e) => return (),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec0`
[INFO] [stdout]  --> exercises/move_semantics/move_semantics4.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let vec0: Vec<i32> = Vec::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_vec0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> exercises/strings/strings3.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn trim_me(mut input: &str) -> String {
[INFO] [stdout]   |            ----^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> exercises/options/options3.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     y; // Fix without deleting this line.
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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 `test` profile [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "c8d651ad61b892c5b663cb492b4b1508b9da9446b05825a42abb555497790f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d651ad61b892c5b663cb492b4b1508b9da9446b05825a42abb555497790f35", kill_on_drop: false }`
[INFO] [stdout] c8d651ad61b892c5b663cb492b4b1508b9da9446b05825a42abb555497790f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b47941ecc71a8c8a140305270002e13dca34982d20ffd9ef27ab2501950eae7
[INFO] running `Command { std: "docker" "start" "-a" "7b47941ecc71a8c8a140305270002e13dca34982d20ffd9ef27ab2501950eae7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::num::ParseIntError`
[INFO] [stderr]   --> exercises/error_handling/errors5.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::num::ParseIntError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> exercises/iterators/iterators3.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Err(e) => return (),
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec0`
[INFO] [stderr]  --> exercises/move_semantics/move_semantics4.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let vec0: Vec<i32> = Vec::new();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_vec0`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> exercises/strings/strings3.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn trim_me(mut input: &str) -> String {
[INFO] [stderr]   |            ----^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: path statement with no effect
[INFO] [stderr]   --> exercises/options/options3.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     y; // Fix without deleting this line.
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(path_statements)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlings` (lib) generated 5 warnings (run `cargo fix --lib -p rustlings` to apply 4 suggestions)
[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] warning: `rustlings` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests exercises/mod.rs (/opt/rustwide/target/debug/deps/exercises-b30dab3202a60822)
[INFO] [stdout] 
[INFO] [stdout] running 124 tests
[INFO] [stdout] test conversions::as_ref_mut::tests::different_counts ... ok
[INFO] [stdout] test conversions::as_ref_mut::tests::mult_box ... ok
[INFO] [stdout] test conversions::as_ref_mut::tests::same_counts ... ok
[INFO] [stdout] test conversions::as_ref_mut::tests::same_counts_using_string ... ok
[INFO] [stdout] test conversions::from_into::tests::test_good_convert ... ok
[INFO] [stdout] test conversions::from_into::tests::test_bad_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_bad_convert ... ok
[INFO] [stdout] test conversions::from_into::tests::test_default ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_name ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_name_and_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_name_and_invalid_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_trailing_comma ... ok
[INFO] [stdout] test conversions::from_into::tests::test_trailing_comma_and_some_string ... ok
[INFO] [stdout] test conversions::from_str::tests::empty_input ... ok
[INFO] [stdout] test conversions::from_str::tests::good_input ... ok
[INFO] [stdout] test conversions::from_str::tests::invalid_age ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_age ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_comma_and_age ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_name_and_invalid_age ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_name ... ok
[INFO] [stdout] test conversions::from_str::tests::trailing_comma_and_some_string ... ok
[INFO] [stdout] test conversions::as_ref_mut::tests::different_counts_using_string ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_array_out_of_range_negative ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_array_sum ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_age ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_name_and_age ... ok
[INFO] [stdout] test conversions::from_str::tests::trailing_comma ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_array_out_of_range_positive ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_insufficient_length ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_out_of_range_positive ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_tuple_correct ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_tuple_out_of_range_negative ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_out_of_range_negative ... ok
[INFO] [stdout] test conversions::using_as::tests::returns_proper_type_and_value ... ok
[INFO] [stdout] test enums::enums3::tests::test_match_message_call ... ok
[INFO] [stdout] test error_handling::errors1::tests::explains_why_generating_nametag_text_fails ... ok
[INFO] [stdout] test error_handling::errors1::tests::generates_nametag_text_for_a_nonempty_name ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_sum ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_tuple_out_of_range_positive ... ok
[INFO] [stdout] test error_handling::errors2::tests::item_quantity_is_an_invalid_number ... ok
[INFO] [stdout] test error_handling::errors4::test_creation ... ok
[INFO] [stdout] test error_handling::errors6::test::test_negative ... ok
[INFO] [stdout] test error_handling::errors6::test::test_positive ... ok
[INFO] [stdout] test error_handling::errors6::test::test_parse_error ... ok
[INFO] [stdout] test error_handling::errors6::test::test_zero ... ok
[INFO] [stdout] test generics::generics2::tests::store_str_in_wrapper ... ok
[INFO] [stdout] test generics::generics2::tests::store_u32_in_wrapper ... ok
[INFO] [stdout] test hashmaps::hashmaps1::tests::at_least_five_fruits ... ok
[INFO] [stdout] test hashmaps::hashmaps1::tests::at_least_three_types_of_fruits ... ok
[INFO] [stdout] test hashmaps::hashmaps2::tests::at_least_five_types_of_fruits ... ok
[INFO] [stdout] test hashmaps::hashmaps2::tests::greater_than_eleven_fruits ... ok
[INFO] [stdout] test hashmaps::hashmaps2::tests::test_given_fruits_are_not_modified ... ok
[INFO] [stdout] test hashmaps::hashmaps3::tests::build_scores ... ok
[INFO] [stdout] test hashmaps::hashmaps3::tests::validate_team_score_1 ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_tuple_sum ... ok
[INFO] [stdout] test error_handling::errors2::tests::item_quantity_is_a_valid_number ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_correct ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_excess_length ... ok
[INFO] [stdout] test hashmaps::hashmaps3::tests::validate_team_score_2 ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_empty ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_iterate_string_vec ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_success ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_divide_0_by_something ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_divide_by_0 ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_list_of_results ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_not_divisible ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_success ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_result_with_list ... ok
[INFO] [stdout] test iterators::iterators4::tests::factorial_of_0 ... ok
[INFO] [stdout] test iterators::iterators4::tests::factorial_of_1 ... ok
[INFO] [stdout] test iterators::iterators4::tests::factorial_of_4 ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_collection_complete ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_iterate_into_string ... ok
[INFO] [stdout] test iterators::iterators4::tests::factorial_of_2 ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_collection_equals_for ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_complete ... ok
[INFO] [stdout] test options::options1::tests::check_icecream ... ok
[INFO] [stdout] test options::options1::tests::raw_value ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_equals_for ... ok
[INFO] [stdout] test options::options2::tests::simple_option ... ok
[INFO] [stdout] test primitive_types::primitive_types4::slice_out_of_array ... ok
[INFO] [stdout] test quiz3::tests::generate_alphabetic_report_card ... ok
[INFO] [stdout] test options::options2::tests::layered_option ... ok
[INFO] [stdout] test quiz3::tests::generate_numeric_report_card ... ok
[INFO] [stdout] test r#if::if1::tests::fortytwo_is_bigger_than_thirtytwo ... ok
[INFO] [stdout] test r#if::if1::tests::ten_is_bigger_than_eight ... ok
[INFO] [stdout] test r#if::if2::tests::bar_for_fuzz ... ok
[INFO] [stdout] test r#if::if2::tests::default_to_baz ... ok
[INFO] [stdout] test smart_pointers::box1::tests::test_create_empty_list ... ok
[INFO] [stdout] test smart_pointers::box1::tests::test_create_non_empty_list ... ok
[INFO] [stdout] test smart_pointers::cow1::tests::owned_mutation ... ok
[INFO] [stdout] test smart_pointers::cow1::tests::owned_no_mutation ... ok
[INFO] [stdout] test smart_pointers::cow1::tests::reference_mutation ... ok
[INFO] [stdout] test smart_pointers::cow1::tests::reference_no_mutation ... ok
[INFO] [stdout] test strings::strings3::tests::compose_a_string ... ok
[INFO] [stdout] test strings::strings3::tests::replace_a_string ... ok
[INFO] [stdout] test strings::strings3::tests::trim_a_string ... ok
[INFO] [stdout] test structs::structs1::tests::classic_c_structs ... ok
[INFO] [stdout] test structs::structs1::tests::tuple_structs ... ok
[INFO] [stdout] test structs::structs1::tests::unit_structs ... ok
[INFO] [stdout] test structs::structs2::tests::your_order ... ok
[INFO] [stdout] test structs::structs3::tests::calculate_transport_fees ... ok
[INFO] [stdout] test structs::structs3::tests::create_international_package ... ok
[INFO] [stdout] test structs::structs3::tests::create_local_package ... ok
[INFO] [stdout] test primitive_types::primitive_types6::indexing_tuple ... ok
[INFO] [stdout] test quiz2::tests::it_works ... ok
[INFO] [stdout] test tests::tests3::tests::is_false_when_odd ... ok
[INFO] [stdout] test tests::tests3::tests::is_true_when_even ... ok
[INFO] [stdout] test tests::tests1::tests::you_can_assert ... ok
[INFO] [stdout] test traits::traits1::tests::is_bar_bar ... ok
[INFO] [stdout] test traits::traits1::tests::is_foo_bar ... ok
[INFO] [stdout] test traits::traits2::tests::is_vec_pop_eq_bar ... ok
[INFO] [stdout] test traits::traits3::tests::is_licensing_info_the_same ... ok
[INFO] [stdout] test traits::traits4::tests::compare_license_information ... ok
[INFO] [stdout] test traits::traits4::tests::compare_license_information_backwards ... ok
[INFO] [stdout] test vecs::vecs1::tests::test_array_and_vec_similarity ... ok
[INFO] [stdout] test vecs::vecs2::tests::test_vec_loop ... ok
[INFO] [stdout] test vecs::vecs2::tests::test_vec_map ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_comma_and_age ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_array_correct ... ok
[INFO] [stdout] test tests::tests2::tests::you_can_assert_eq ... ok
[INFO] [stdout] test quiz1::verify_test ... ok
[INFO] [stdout] test r#if::if2::tests::foo_for_fizz ... ok
[INFO] [stdout] test structs::structs3::tests::fail_creating_weightless_package - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 124 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-df45590c432c0502)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test exercise::test::test_finished_exercise ... ok
[INFO] [stdout] test exercise::test::test_pending_state ... ok
[INFO] [stdout] test exercise::test::test_clean ... FAILED
[INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::test::test_clean stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'exercise::test::test_clean' (142) 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:     0x5c4c498d9c5a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c4c498d9c5a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c4c498d9c5a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c4c498d9c5a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c4c498ee90a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c4c498ee90a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5c4c498de5b2 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c4c498de5b2 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c4c498b8abf - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c4c498b8abf - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c4c498d1f09 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c4c497465ec - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5c4c497465ec - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c4c498d20c2 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5c4c498d20c2 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c4c498b8b78 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c4c498b0439 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c4c498b988d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c4c498ef1ec - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c4c498eef62 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5c4c4973552c - core::result::Result<T,E>::unwrap::hbcdaf76ef9276706
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5c4c4973552c - rustlings::exercise::test::test_clean::hb44280f166a2f1dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:273:36
[INFO] [stdout]   22:     0x5c4c49735907 - rustlings::exercise::test::test_clean::{{closure}}::h02431f62860ddd23
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:272:20
[INFO] [stdout]   23:     0x5c4c49732f86 - core::ops::function::FnOnce::call_once::h900f888de3c7700f
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c4c4973a6cb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c4c4973a6cb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5c4c497470bb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5c4c497470bb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5c4c497470bb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c4c497470bb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c4c497470bb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c4c497470bb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5c4c497470bb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5c4c497427d4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5c4c497427d4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5c4c49749cc2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5c4c49749cc2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c4c498d939f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5c4c498d939f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7b71257a8aa4 - <unknown>
[INFO] [stdout]   45:     0x7b7125835a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'exercise::test::test_exercise_with_output' (143) 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/./rmetaxfTzS1\"\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:     0x5c4c498d9c5a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c4c498d9c5a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c4c498d9c5a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c4c498d9c5a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c4c498ee90a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c4c498ee90a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5c4c498de5b2 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c4c498de5b2 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c4c498b8abf - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c4c498b8abf - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c4c498d1f09 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c4c497465ec - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5c4c497465ec - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c4c498d20c2 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5c4c498d20c2 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c4c498b8b78 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c4c498b0439 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c4c498b988d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c4c498ef1ec - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c4c498eef62 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5c4c497363b8 - core::result::Result<T,E>::unwrap::h9830c5e56fffed24
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5c4c497363b8 - rustlings::exercise::test::test_exercise_with_output::h63ec4a2c65e9b531
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:346:38
[INFO] [stdout]   22:     0x5c4c49736637 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hf4f2b863323cb571
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:339:35
[INFO] [stdout]   23:     0x5c4c49733016 - core::ops::function::FnOnce::call_once::hf0732f11aa1c853b
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c4c4973a6cb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c4c4973a6cb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5c4c497470bb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5c4c497470bb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5c4c497470bb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c4c497470bb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c4c497470bb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c4c497470bb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5c4c497470bb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5c4c497427d4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5c4c497427d4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5c4c49749cc2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c4c49749cc2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5c4c49749cc2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c4c498d939f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5c4c498d939f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7b71257a8aa4 - <unknown>
[INFO] [stdout]   45:     0x7b7125835a64 - 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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] running `Command { std: "docker" "inspect" "7b47941ecc71a8c8a140305270002e13dca34982d20ffd9ef27ab2501950eae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b47941ecc71a8c8a140305270002e13dca34982d20ffd9ef27ab2501950eae7", kill_on_drop: false }`
[INFO] [stdout] 7b47941ecc71a8c8a140305270002e13dca34982d20ffd9ef27ab2501950eae7
