[INFO] cloning repository https://github.com/zwz798/mp3-player
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zwz798/mp3-player" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwz798%2Fmp3-player", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwz798%2Fmp3-player'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 365339577ae0a780590b015bea0454e76954bddf
[INFO] checking zwz798/mp3-player against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwz798%2Fmp3-player" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zwz798/mp3-player
[INFO] finished tweaking git repo https://github.com/zwz798/mp3-player
[INFO] tweaked toml for git repo https://github.com/zwz798/mp3-player written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zwz798/mp3-player on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zwz798/mp3-player 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85f109bde801b81ce94073b14a72263dc18e89f16c873013118912816ad148b0
[INFO] running `Command { std: "docker" "start" "-a" "85f109bde801b81ce94073b14a72263dc18e89f16c873013118912816ad148b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f109bde801b81ce94073b14a72263dc18e89f16c873013118912816ad148b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f109bde801b81ce94073b14a72263dc18e89f16c873013118912816ad148b0", kill_on_drop: false }`
[INFO] [stdout] 85f109bde801b81ce94073b14a72263dc18e89f16c873013118912816ad148b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b83d210eaec2279fb80df4265612dc0e12663965a0c31a15c23269b906bf46cf
[INFO] running `Command { std: "docker" "start" "-a" "b83d210eaec2279fb80df4265612dc0e12663965a0c31a15c23269b906bf46cf", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `u64`
[INFO] [stdout]   --> src/widget/main_panel.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |         PlayListMessage::SongSelected(u64) => {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_u64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u64`
[INFO] [stdout]   --> src/widget/main_panel.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |         PlayListMessage::SongSelected(u64) => {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_u64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/main.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn update(state: &mut State, message: Message) -> Task<Message> {
[INFO] [stdout]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/main.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn update(state: &mut State, message: Message) -> Task<Message> {
[INFO] [stdout]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn view(state: &State) -> Element<Message> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn view(state: &State) -> Element<Message> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `playback_state` and `library_state` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 15 |     playback_state: PlaybackState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     library_state: LibraryState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlaybackMessage`, `PlayListMessage`, and `SidebarMessage` are never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 21 |     PlaybackMessage(PlaybackMessage),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     PlayListMessage(PlayListMessage),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |     SidebarMessage(SidebarMessage),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_folders_from_db` is never used
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | async fn load_folders_from_db() -> Result<Vec<String>, DbError> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `playback_state` and `library_state` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct State {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 15 |     playback_state: PlaybackState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     library_state: LibraryState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlayPauseClicked`, `PreviousClicked`, and `NextClicked` are never constructed
[INFO] [stdout]   --> src/widget/footer.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum PlaybackMessage {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout]  8 |     PlayPauseClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     PreviousClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     NextClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlaybackMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlaybackMessage`, `PlayListMessage`, and `SidebarMessage` are never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 21 |     PlaybackMessage(PlaybackMessage),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     PlayListMessage(PlayListMessage),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |     SidebarMessage(SidebarMessage),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_folders_from_db` is never used
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | async fn load_folders_from_db() -> Result<Vec<String>, DbError> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current_song_id`, `status`, `process_ms`, `volume`, and `shuffle` are never read
[INFO] [stdout]   --> src/widget/footer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PlaybackState {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 15 |     current_song_id: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     status: PlaybackStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     process_ms: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     volume: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     shuffle: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlayPauseClicked`, `PreviousClicked`, and `NextClicked` are never constructed
[INFO] [stdout]   --> src/widget/footer.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum PlaybackMessage {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout]  8 |     PlayPauseClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     PreviousClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     NextClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlaybackMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Playing` and `Paused` are never constructed
[INFO] [stdout]   --> src/widget/footer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum PlaybackStatus {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Playing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     Paused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `album_art` is never used
[INFO] [stdout]   --> src/widget/footer.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn album_art() {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `song_info` is never used
[INFO] [stdout]   --> src/widget/footer.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn song_info() {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current_song_id`, `status`, `process_ms`, `volume`, and `shuffle` are never read
[INFO] [stdout]   --> src/widget/footer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PlaybackState {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 15 |     current_song_id: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     status: PlaybackStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     process_ms: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     volume: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     shuffle: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Playing` and `Paused` are never constructed
[INFO] [stdout]   --> src/widget/footer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum PlaybackStatus {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Playing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     Paused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `album_art` is never used
[INFO] [stdout]   --> src/widget/footer.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn album_art() {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `song_info` is never used
[INFO] [stdout]   --> src/widget/footer.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn song_info() {}
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `controls` is never used
[INFO] [stdout]   --> src/widget/footer.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn controls() {}
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `volume_control` is never used
[INFO] [stdout]   --> src/widget/footer.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn volume_control() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SongSelected` is never constructed
[INFO] [stdout]  --> src/widget/main_panel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum PlayListMessage {
[INFO] [stdout]   |          --------------- variant in this enum
[INFO] [stdout] 7 |     SongSelected(u64),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PlayListMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AddMusicFolderClicked` and `MusicFolderClicked` are never constructed
[INFO] [stdout]   --> src/widget/sidebar.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum SidebarMessage {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 19 |     AddMusicFolderClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     MusicFolderClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SidebarMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SidebarState` is never constructed
[INFO] [stdout]   --> src/widget/sidebar.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SidebarState {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SelectedSidebar` is never used
[INFO] [stdout]   --> src/widget/sidebar.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum SelectedSidebar {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `songs`, `albums`, and `artists` are never read
[INFO] [stdout]   --> src/widget/sidebar.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct LibraryState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 37 |     songs: HashMap<u64, u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     albums: HashMap<u64, u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     artists: HashMap<u64, u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `controls` is never used
[INFO] [stdout]   --> src/widget/footer.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn controls() {}
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `volume_control` is never used
[INFO] [stdout]   --> src/widget/footer.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn volume_control() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn view(state: &State) -> Element<Message> {
[INFO] [stdout]    |                ^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn view(state: &State) -> Element<'_, Message> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SongSelected` is never constructed
[INFO] [stdout]  --> src/widget/main_panel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum PlayListMessage {
[INFO] [stdout]   |          --------------- variant in this enum
[INFO] [stdout] 7 |     SongSelected(u64),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PlayListMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AddMusicFolderClicked` and `MusicFolderClicked` are never constructed
[INFO] [stdout]   --> src/widget/sidebar.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum SidebarMessage {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 19 |     AddMusicFolderClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     MusicFolderClicked,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SidebarMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SidebarState` is never constructed
[INFO] [stdout]   --> src/widget/sidebar.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SidebarState {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SelectedSidebar` is never used
[INFO] [stdout]   --> src/widget/sidebar.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum SelectedSidebar {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `songs`, `albums`, and `artists` are never read
[INFO] [stdout]   --> src/widget/sidebar.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct LibraryState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 37 |     songs: HashMap<u64, u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     albums: HashMap<u64, u64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     artists: HashMap<u64, u64>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn view(state: &State) -> Element<Message> {
[INFO] [stdout]    |                ^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn view(state: &State) -> Element<'_, Message> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "b83d210eaec2279fb80df4265612dc0e12663965a0c31a15c23269b906bf46cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83d210eaec2279fb80df4265612dc0e12663965a0c31a15c23269b906bf46cf", kill_on_drop: false }`
[INFO] [stdout] b83d210eaec2279fb80df4265612dc0e12663965a0c31a15c23269b906bf46cf
