[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 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGersiD%2Frustlings_GD" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GersiD/rustlings_GD on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cece27587c6d41fab0b9750ada5e746c301ecaa2a9b9c089529afe40b64903a
[INFO] running `Command { std: "docker" "start" "-a" "9cece27587c6d41fab0b9750ada5e746c301ecaa2a9b9c089529afe40b64903a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cece27587c6d41fab0b9750ada5e746c301ecaa2a9b9c089529afe40b64903a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cece27587c6d41fab0b9750ada5e746c301ecaa2a9b9c089529afe40b64903a", kill_on_drop: false }`
[INFO] [stdout] 9cece27587c6d41fab0b9750ada5e746c301ecaa2a9b9c089529afe40b64903a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a70452a6af17128d1efdab4be7935a74c7def737ef13fa3297a074a5a0a3753
[INFO] running `Command { std: "docker" "start" "-a" "7a70452a6af17128d1efdab4be7935a74c7def737ef13fa3297a074a5a0a3753", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling home v0.5.4
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]    Compiling argh v0.1.10
[INFO] [stderr]    Compiling toml v0.5.11
[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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "7a70452a6af17128d1efdab4be7935a74c7def737ef13fa3297a074a5a0a3753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a70452a6af17128d1efdab4be7935a74c7def737ef13fa3297a074a5a0a3753", kill_on_drop: false }`
[INFO] [stdout] 7a70452a6af17128d1efdab4be7935a74c7def737ef13fa3297a074a5a0a3753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bd84d250a45f9e3b9bd6ced08d1be92553c1c7faa35cd45a08ca8f366f68310
[INFO] running `Command { std: "docker" "start" "-a" "3bd84d250a45f9e3b9bd6ced08d1be92553c1c7faa35cd45a08ca8f366f68310", 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 normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.4.0
[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)]` 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)]` 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)]` 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)]` on by default
[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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "3bd84d250a45f9e3b9bd6ced08d1be92553c1c7faa35cd45a08ca8f366f68310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd84d250a45f9e3b9bd6ced08d1be92553c1c7faa35cd45a08ca8f366f68310", kill_on_drop: false }`
[INFO] [stdout] 3bd84d250a45f9e3b9bd6ced08d1be92553c1c7faa35cd45a08ca8f366f68310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a01f0bbd434add28ab458fa7fd993d2ff2ce4d3487e2c66af716b7d168b5fbe
[INFO] running `Command { std: "docker" "start" "-a" "5a01f0bbd434add28ab458fa7fd993d2ff2ce4d3487e2c66af716b7d168b5fbe", 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlings` (lib) generated 5 warnings (run `cargo fix --lib -p rustlings` to apply 2 suggestions)
[INFO] [stderr] warning: `rustlings` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests exercises/mod.rs (/opt/rustwide/target/debug/deps/exercises-90b18106ff5b9f24)
[INFO] [stdout] 
[INFO] [stdout] running 124 tests
[INFO] [stdout] test conversions::as_ref_mut::tests::different_counts_using_string ... 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_bad_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_bad_convert ... ok
[INFO] [stdout] test conversions::as_ref_mut::tests::mult_box ... ok
[INFO] [stdout] test conversions::from_into::tests::test_default ... ok
[INFO] [stdout] test conversions::as_ref_mut::tests::different_counts ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_comma_and_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_name_and_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_name ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_name_and_invalid_age ... ok
[INFO] [stdout] test conversions::from_into::tests::test_good_convert ... ok
[INFO] [stdout] test conversions::from_into::tests::test_missing_age ... ok
[INFO] [stdout] test conversions::from_str::tests::empty_input ... 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::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 ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_name_and_age ... ok
[INFO] [stdout] test conversions::from_str::tests::missing_name_and_invalid_age ... ok
[INFO] [stdout] test conversions::from_str::tests::trailing_comma ... ok
[INFO] [stdout] test conversions::from_str::tests::trailing_comma_and_some_string ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_array_correct ... 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_out_of_range_positive ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_array_sum ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_insufficient_length ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_correct ... 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 error_handling::errors1::tests::explains_why_generating_nametag_text_fails ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_tuple_sum ... ok
[INFO] [stdout] test error_handling::errors1::tests::generates_nametag_text_for_a_nonempty_name ... ok
[INFO] [stdout] test error_handling::errors6::test::test_zero ... ok
[INFO] [stdout] test hashmaps::hashmaps1::tests::at_least_five_fruits ... ok
[INFO] [stdout] test error_handling::errors2::tests::item_quantity_is_a_valid_number ... ok
[INFO] [stdout] test hashmaps::hashmaps1::tests::at_least_three_types_of_fruits ... 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::errors6::test::test_parse_error ... ok
[INFO] [stdout] test error_handling::errors6::test::test_positive ... ok
[INFO] [stdout] test error_handling::errors2::tests::item_quantity_is_an_invalid_number ... ok
[INFO] [stdout] test enums::enums3::tests::test_match_message_call ... ok
[INFO] [stdout] test generics::generics2::tests::store_u32_in_wrapper ... ok
[INFO] [stdout] test generics::generics2::tests::store_str_in_wrapper ... ok
[INFO] [stdout] test error_handling::errors6::test::test_negative ... ok
[INFO] [stdout] test hashmaps::hashmaps3::tests::validate_team_score_1 ... ok
[INFO] [stdout] test hashmaps::hashmaps3::tests::build_scores ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_iterate_into_string ... ok
[INFO] [stdout] test hashmaps::hashmaps3::tests::validate_team_score_2 ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_iterate_string_vec ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_divide_0_by_something ... ok
[INFO] [stdout] test hashmaps::hashmaps2::tests::greater_than_eleven_fruits ... ok
[INFO] [stdout] test error_handling::errors4::test_creation ... ok
[INFO] [stdout] test hashmaps::hashmaps2::tests::at_least_five_types_of_fruits ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_empty ... ok
[INFO] [stdout] test iterators::iterators2::tests::test_success ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_divide_by_0 ... ok
[INFO] [stdout] test conversions::try_from_into::tests::test_slice_excess_length ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_not_divisible ... 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_2 ... 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::iterators3::tests::test_list_of_results ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_result_with_list ... ok
[INFO] [stdout] test iterators::iterators3::tests::test_success ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_complete ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_equals_for ... ok
[INFO] [stdout] test options::options1::tests::raw_value ... ok
[INFO] [stdout] test options::options2::tests::simple_option ... ok
[INFO] [stdout] test options::options2::tests::layered_option ... ok
[INFO] [stdout] test quiz1::verify_test ... ok
[INFO] [stdout] test quiz2::tests::it_works ... 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 quiz3::tests::generate_numeric_report_card ... ok
[INFO] [stdout] test r#if::if1::tests::ten_is_bigger_than_eight ... ok
[INFO] [stdout] test primitive_types::primitive_types6::indexing_tuple ... 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::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 r#if::if1::tests::fortytwo_is_bigger_than_thirtytwo ... ok
[INFO] [stdout] test strings::strings3::tests::compose_a_string ... ok
[INFO] [stdout] test r#if::if2::tests::foo_for_fizz ... ok
[INFO] [stdout] test strings::strings3::tests::trim_a_string ... ok
[INFO] [stdout] test structs::structs1::tests::unit_structs ... ok
[INFO] [stdout] test smart_pointers::box1::tests::test_create_non_empty_list ... ok
[INFO] [stdout] test iterators::iterators5::tests::count_collection_equals_for ... ok
[INFO] [stdout] test structs::structs1::tests::tuple_structs ... ok
[INFO] [stdout] test options::options1::tests::check_icecream ... ok
[INFO] [stdout] test smart_pointers::box1::tests::test_create_empty_list ... ok
[INFO] [stdout] test tests::tests1::tests::you_can_assert ... ok
[INFO] [stdout] test structs::structs3::tests::calculate_transport_fees ... ok
[INFO] [stdout] test tests::tests2::tests::you_can_assert_eq ... ok
[INFO] [stdout] test strings::strings3::tests::replace_a_string ... 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 traits::traits1::tests::is_bar_bar ... ok
[INFO] [stdout] test traits::traits3::tests::is_licensing_info_the_same ... ok
[INFO] [stdout] test traits::traits4::tests::compare_license_information_backwards ... ok
[INFO] [stdout] test structs::structs3::tests::create_local_package ... ok
[INFO] [stdout] test structs::structs1::tests::classic_c_structs ... ok
[INFO] [stdout] test traits::traits1::tests::is_foo_bar ... ok
[INFO] [stdout] test traits::traits4::tests::compare_license_information ... ok
[INFO] [stdout] test vecs::vecs1::tests::test_array_and_vec_similarity ... ok
[INFO] [stdout] test hashmaps::hashmaps2::tests::test_given_fruits_are_not_modified ... ok
[INFO] [stdout] test traits::traits2::tests::is_vec_pop_eq_bar ... ok
[INFO] [stdout] test structs::structs2::tests::your_order ... ok
[INFO] [stdout] test vecs::vecs2::tests::test_vec_loop ... ok
[INFO] [stdout] test vecs::vecs2::tests::test_vec_map ... ok
[INFO] [stdout] test structs::structs3::tests::create_international_package ... 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-2c0ccda086f1c739)
[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: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:     0x5fe9f34df87a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5fe9f34df87a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5fe9f34df87a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe9f34df87a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe9f3504f13 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5fe9f3504f13 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5fe9f34dca33 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5fe9f34df6c2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5fe9f34e0cda - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5fe9f34e0ae4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5fe9f3376fe9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5fe9f3376fe9 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5fe9f34e1378 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5fe9f34e1378 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5fe9f34e113a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5fe9f34dfd59 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5fe9f34e0dcc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5fe9f332e180 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5fe9f332e606 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5fe9f333861a - core::result::Result<T,E>::unwrap::h463107cc4209a9ff
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5fe9f333861a - rustlings::exercise::test::test_clean::he90ba9178ea344fe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:273:9
[INFO] [stdout]   21:     0x5fe9f3338557 - rustlings::exercise::test::test_clean::{{closure}}::h302124119bdad2ed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:272:20
[INFO] [stdout]   22:     0x5fe9f332fb46 - core::ops::function::FnOnce::call_once::h0323501918478d44
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5fe9f337b9ab - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fe9f337b9ab - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5fe9f337b1e7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5fe9f337b1e7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5fe9f337b1e7 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5fe9f337b1e7 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5fe9f337b1e7 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5fe9f337b1e7 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5fe9f337b1e7 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5fe9f33404c4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5fe9f33404c4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5fe9f3343b8e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5fe9f3343b8e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5fe9f3343b8e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5fe9f3343b8e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5fe9f3343b8e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5fe9f3343b8e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5fe9f3343b8e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5fe9f34e529b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5fe9f34e529b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5fe9f34e529b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x721937dbbac3 - <unknown>
[INFO] [stdout]   45:     0x721937e4ca04 - 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:346:38:
[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/./rmetag5ZEJA\"\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:     0x5fe9f34df87a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5fe9f34df87a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5fe9f34df87a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe9f34df87a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe9f3504f13 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5fe9f3504f13 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5fe9f34dca33 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5fe9f34df6c2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5fe9f34e0cda - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5fe9f34e0ae4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5fe9f3376fe9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5fe9f3376fe9 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5fe9f34e1378 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5fe9f34e1378 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5fe9f34e113a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5fe9f34dfd59 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5fe9f34e0dcc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5fe9f332e180 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5fe9f332e606 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5fe9f333946a - core::result::Result<T,E>::unwrap::hca0c0c699fa5bc9d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5fe9f333946a - rustlings::exercise::test::test_exercise_with_output::hb79ca6fafc0c2b7d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:346:19
[INFO] [stdout]   21:     0x5fe9f3339277 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::h4011c34b99ab9928
[INFO] [stdout]                                at /opt/rustwide/workdir/src/exercise.rs:339:35
[INFO] [stdout]   22:     0x5fe9f332fb86 - core::ops::function::FnOnce::call_once::h4450b80f41140fdd
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5fe9f337b9ab - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fe9f337b9ab - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5fe9f337b1e7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5fe9f337b1e7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5fe9f337b1e7 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5fe9f337b1e7 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5fe9f337b1e7 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5fe9f337b1e7 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5fe9f337b1e7 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5fe9f33404c4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5fe9f33404c4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5fe9f3343b8e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5fe9f3343b8e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5fe9f3343b8e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5fe9f3343b8e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5fe9f3343b8e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5fe9f3343b8e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5fe9f3343b8e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5fe9f34e529b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5fe9f34e529b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5fe9f34e529b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x721937dbbac3 - <unknown>
[INFO] [stdout]   45:     0x721937e4ca04 - 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 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rustlings`
[INFO] running `Command { std: "docker" "inspect" "5a01f0bbd434add28ab458fa7fd993d2ff2ce4d3487e2c66af716b7d168b5fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a01f0bbd434add28ab458fa7fd993d2ff2ce4d3487e2c66af716b7d168b5fbe", kill_on_drop: false }`
[INFO] [stdout] 5a01f0bbd434add28ab458fa7fd993d2ff2ce4d3487e2c66af716b7d168b5fbe
