[INFO] cloning repository https://github.com/vijayksingh/Rust-Kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vijayksingh/Rust-Kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijayksingh%2FRust-Kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijayksingh%2FRust-Kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0183a7574b70fed5b1a983ef10cf57117610858
[INFO] testing vijayksingh/Rust-Kata against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijayksingh%2FRust-Kata" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vijayksingh/Rust-Kata on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vijayksingh/Rust-Kata
[INFO] finished tweaking git repo https://github.com/vijayksingh/Rust-Kata
[INFO] tweaked toml for git repo https://github.com/vijayksingh/Rust-Kata written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vijayksingh/Rust-Kata 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-2025-04-13" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15c6ffe0f046be82740c68aff0a312253ac74e9cbe78e6bf00051cc9c823720b
[INFO] running `Command { std: "docker" "start" "-a" "15c6ffe0f046be82740c68aff0a312253ac74e9cbe78e6bf00051cc9c823720b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c6ffe0f046be82740c68aff0a312253ac74e9cbe78e6bf00051cc9c823720b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c6ffe0f046be82740c68aff0a312253ac74e9cbe78e6bf00051cc9c823720b", kill_on_drop: false }`
[INFO] [stdout] 15c6ffe0f046be82740c68aff0a312253ac74e9cbe78e6bf00051cc9c823720b
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac091bfb1b99de34249385298828497091fcbe72a4a1caaf6d50f2da0e021b13
[INFO] running `Command { std: "docker" "start" "-a" "ac091bfb1b99de34249385298828497091fcbe72a4a1caaf6d50f2da0e021b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/exercises/exercise1.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_all_names(names: Vec<&str>) -> String {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nested`
[INFO] [stdout]   --> src/exercises/exercise10.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn concat_all<T: Copy>(nested: Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nested`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise11.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn map_and_flatten(movie_lists: Vec<MovieList>) -> Vec<u32> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise12.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn filter_map_and_flatten(movie_lists: Vec<MovieList>) -> Vec<MovieBoxArt> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]  --> src/exercises/exercise13.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn flat_map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]  --> src/exercises/exercise13.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn flat_map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise14.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn flat_map_video_info(movie_lists: Vec<MovieList>) -> Vec<Video> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/exercises/exercise2.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_all_names_foreach(names: Vec<&str>) -> String {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise3.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn project_to_id_title_pairs(videos: Vec<Video>) -> Vec<IdTitlePair> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/exercises/exercise4.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/exercises/exercise4.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise5.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn project_videos(videos: Vec<Video>) -> Vec<IdTitlePair> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise6.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn filter_videos(videos: Vec<Video>) -> Vec<Video> {
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/exercises/exercise7.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn my_filter<T, F>(items: Vec<T>, f: F) -> Vec<T>
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/exercises/exercise7.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn my_filter<T, F>(items: Vec<T>, f: F) -> Vec<T>
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise8.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn filter_and_project(videos: Vec<Video>) -> Vec<u32> {
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise9.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn flatten_movie_lists(movie_lists: Vec<MovieList>) -> Vec<u32> {
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let names = vec!["Ben", "Jafar", "Matt", "Priya", "Brian"];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_names` is never used
[INFO] [stdout]   --> src/exercises/exercise1.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_all_names(names: Vec<&str>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_all` is never used
[INFO] [stdout]   --> src/exercises/exercise10.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn concat_all<T: Copy>(nested: Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]   --> src/exercises/exercise11.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Video {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bookmark` is never constructed
[INFO] [stdout]   --> src/exercises/exercise11.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Bookmark {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MovieList` is never constructed
[INFO] [stdout]   --> src/exercises/exercise11.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MovieList {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_and_flatten` is never used
[INFO] [stdout]   --> src/exercises/exercise11.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn map_and_flatten(movie_lists: Vec<MovieList>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoxArt` is never constructed
[INFO] [stdout]   --> src/exercises/exercise12.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct BoxArt {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]   --> src/exercises/exercise12.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Video {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bookmark` is never constructed
[INFO] [stdout]   --> src/exercises/exercise12.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Bookmark {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MovieList` is never constructed
[INFO] [stdout]   --> src/exercises/exercise12.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct MovieList {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_map_and_flatten` is never used
[INFO] [stdout]   --> src/exercises/exercise12.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn filter_map_and_flatten(movie_lists: Vec<MovieList>) -> Vec<MovieBoxArt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flat_map` is never used
[INFO] [stdout]  --> src/exercises/exercise13.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn flat_map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]  --> src/exercises/exercise14.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Video {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bookmark` is never constructed
[INFO] [stdout]   --> src/exercises/exercise14.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Bookmark {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bookmark` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Boxart` is never constructed
[INFO] [stdout]   --> src/exercises/exercise14.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Boxart {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MovieList` is never constructed
[INFO] [stdout]   --> src/exercises/exercise14.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct MovieList {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VideoInfo` is never constructed
[INFO] [stdout]   --> src/exercises/exercise14.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct VideoInfo {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flat_map_video_info` is never used
[INFO] [stdout]   --> src/exercises/exercise14.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn flat_map_video_info(movie_lists: Vec<MovieList>) -> Vec<Video> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_names_foreach` is never used
[INFO] [stdout]   --> src/exercises/exercise2.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_all_names_foreach(names: Vec<&str>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]  --> src/exercises/exercise3.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Video {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Video` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bookmark` is never constructed
[INFO] [stdout]   --> src/exercises/exercise3.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Bookmark {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bookmark` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project_to_id_title_pairs` is never used
[INFO] [stdout]   --> src/exercises/exercise3.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn project_to_id_title_pairs(videos: Vec<Video>) -> Vec<IdTitlePair> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map` is never used
[INFO] [stdout]   --> src/exercises/exercise4.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]   --> src/exercises/exercise5.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Video {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project_videos` is never used
[INFO] [stdout]   --> src/exercises/exercise5.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn project_videos(videos: Vec<Video>) -> Vec<IdTitlePair> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_videos` is never used
[INFO] [stdout]   --> src/exercises/exercise6.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn filter_videos(videos: Vec<Video>) -> Vec<Video> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_filter` is never used
[INFO] [stdout]   --> src/exercises/exercise7.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn my_filter<T, F>(items: Vec<T>, f: F) -> Vec<T>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]   --> src/exercises/exercise8.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Video {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bookmark` is never constructed
[INFO] [stdout]   --> src/exercises/exercise8.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Bookmark {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_and_project` is never used
[INFO] [stdout]   --> src/exercises/exercise8.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn filter_and_project(videos: Vec<Video>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Video` is never constructed
[INFO] [stdout]   --> src/exercises/exercise9.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Video {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bookmark` is never constructed
[INFO] [stdout]   --> src/exercises/exercise9.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Bookmark {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MovieList` is never constructed
[INFO] [stdout]   --> src/exercises/exercise9.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MovieList {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flatten_movie_lists` is never used
[INFO] [stdout]   --> src/exercises/exercise9.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn flatten_movie_lists(movie_lists: Vec<MovieList>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ac091bfb1b99de34249385298828497091fcbe72a4a1caaf6d50f2da0e021b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac091bfb1b99de34249385298828497091fcbe72a4a1caaf6d50f2da0e021b13", kill_on_drop: false }`
[INFO] [stdout] ac091bfb1b99de34249385298828497091fcbe72a4a1caaf6d50f2da0e021b13
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e292c2040250df1d166af4a21a0b768cb9ce2460ed32730c3d13e0bacc3eab5
[INFO] running `Command { std: "docker" "start" "-a" "8e292c2040250df1d166af4a21a0b768cb9ce2460ed32730c3d13e0bacc3eab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/exercises/exercise1.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_all_names(names: Vec<&str>) -> String {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nested`
[INFO] [stdout]   --> src/exercises/exercise10.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn concat_all<T: Copy>(nested: Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nested`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise11.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn map_and_flatten(movie_lists: Vec<MovieList>) -> Vec<u32> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise12.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn filter_map_and_flatten(movie_lists: Vec<MovieList>) -> Vec<MovieBoxArt> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]  --> src/exercises/exercise13.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn flat_map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]  --> src/exercises/exercise13.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn flat_map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]   |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise14.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn flat_map_video_info(movie_lists: Vec<MovieList>) -> Vec<Video> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/exercises/exercise2.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_all_names_foreach(names: Vec<&str>) -> String {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise3.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn project_to_id_title_pairs(videos: Vec<Video>) -> Vec<IdTitlePair> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/exercises/exercise4.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/exercises/exercise4.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn map<T, U, F>(items: Vec<T>, func: F) -> Vec<U>
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise5.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn project_videos(videos: Vec<Video>) -> Vec<IdTitlePair> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise6.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn filter_videos(videos: Vec<Video>) -> Vec<Video> {
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/exercises/exercise7.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn my_filter<T, F>(items: Vec<T>, f: F) -> Vec<T>
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/exercises/exercise7.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn my_filter<T, F>(items: Vec<T>, f: F) -> Vec<T>
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `videos`
[INFO] [stdout]   --> src/exercises/exercise8.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn filter_and_project(videos: Vec<Video>) -> Vec<u32> {
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_videos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movie_lists`
[INFO] [stdout]   --> src/exercises/exercise9.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn flatten_movie_lists(movie_lists: Vec<MovieList>) -> Vec<u32> {
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movie_lists`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let names = vec!["Ben", "Jafar", "Matt", "Priya", "Brian"];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `boxart`, `uri`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise11.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Video {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     boxart: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     uri: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     bookmark: Vec<Bookmark>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `time` are never read
[INFO] [stdout]   --> src/exercises/exercise11.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Bookmark {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     time: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `videos` are never read
[INFO] [stdout]   --> src/exercises/exercise11.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MovieList {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 28 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     videos: Vec<Video>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `height`, and `url` are never read
[INFO] [stdout]   --> src/exercises/exercise12.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct BoxArt {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 13 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     url: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `boxarts`, `uri`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise12.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Video {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 19 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     boxarts: Vec<BoxArt>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     uri: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     bookmark: Vec<Bookmark>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `time` are never read
[INFO] [stdout]   --> src/exercises/exercise12.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Bookmark {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 28 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     time: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `videos` are never read
[INFO] [stdout]   --> src/exercises/exercise12.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct MovieList {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 33 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     videos: Vec<Video>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise14.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | struct Video {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8  |     url: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     bookmark: Vec<Bookmark>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Video` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `time` are never read
[INFO] [stdout]   --> src/exercises/exercise14.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Bookmark {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 15 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     time: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bookmark` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/exercises/exercise14.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Boxart {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 21 |     width: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     height: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Boxart` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `videos` are never read
[INFO] [stdout]   --> src/exercises/exercise14.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct MovieList {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 28 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     videos: Vec<Video>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MovieList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VideoInfo` is never constructed
[INFO] [stdout]   --> src/exercises/exercise14.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct VideoInfo {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `boxart`, `uri`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise3.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Video {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 5  |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 6  |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 7  |     boxart: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 8  |     uri: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     bookmark: Vec<Bookmark>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Video` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `time` are never read
[INFO] [stdout]   --> src/exercises/exercise3.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Bookmark {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 15 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     time: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bookmark` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `boxart`, `uri`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise5.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Video {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 15 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     boxart: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     uri: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     bookmark: Vec<u32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `boxart`, `uri`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise8.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Video {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     boxart: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     uri: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     bookmark: Vec<Bookmark>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `time` are never read
[INFO] [stdout]   --> src/exercises/exercise8.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Bookmark {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 23 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     time: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `boxart`, `uri`, `rating`, and `bookmark` are never read
[INFO] [stdout]   --> src/exercises/exercise9.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Video {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     boxart: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     uri: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     rating: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     bookmark: Vec<Bookmark>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `time` are never read
[INFO] [stdout]   --> src/exercises/exercise9.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Bookmark {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 23 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     time: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `videos` are never read
[INFO] [stdout]   --> src/exercises/exercise9.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MovieList {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 28 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     videos: Vec<Video>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "8e292c2040250df1d166af4a21a0b768cb9ce2460ed32730c3d13e0bacc3eab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e292c2040250df1d166af4a21a0b768cb9ce2460ed32730c3d13e0bacc3eab5", kill_on_drop: false }`
[INFO] [stdout] 8e292c2040250df1d166af4a21a0b768cb9ce2460ed32730c3d13e0bacc3eab5
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c64ae655c33231cde0c08f92156aaea2f570eb0cce733857e00491ec63f4bc1
[INFO] running `Command { std: "docker" "start" "-a" "0c64ae655c33231cde0c08f92156aaea2f570eb0cce733857e00491ec63f4bc1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/containers/0c64ae655c33231cde0c08f92156aaea2f570eb0cce733857e00491ec63f4bc1/mounts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "0c64ae655c33231cde0c08f92156aaea2f570eb0cce733857e00491ec63f4bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c64ae655c33231cde0c08f92156aaea2f570eb0cce733857e00491ec63f4bc1", kill_on_drop: false }`
[INFO] [stdout] 0c64ae655c33231cde0c08f92156aaea2f570eb0cce733857e00491ec63f4bc1