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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftryashtar%2Fnmu-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/tryashtar/nmu-rs
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[INFO] [stdout] warning: unused imports: `DateCache` and `ReverseMode`
[INFO] [stdout]   --> src/tests.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  5 |         DateCache, LibraryConfig, ScanDecision, ScanOptions, TagOptions, TagSettings,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     song_config::{AllSetter, LoadedConfig, RawSongConfigFile, ReverseMode, SongConfig},
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art`
[INFO] [stdout]    --> src/setting.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     art: &SetValue<Rc<DynamicImage>>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_art`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art`
[INFO] [stdout]    --> src/setting.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     art: &SetValue<Rc<DynamicImage>>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_art`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art`
[INFO] [stdout]    --> src/setting.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     art: &SetValue<Rc<DynamicImage>>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_art`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art`
[INFO] [stdout]    --> src/setting.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     art: &SetValue<Rc<DynamicImage>>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_art`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art`
[INFO] [stdout]    --> src/setting.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     art: &SetValue<Rc<DynamicImage>>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_art`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `art`
[INFO] [stdout]    --> src/setting.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     art: &SetValue<Rc<DynamicImage>>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_art`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:293:25
[INFO] [stdout]     |
[INFO] [stdout] 293 |     fn get_field(&self, field: &MetadataField) -> Option<MetadataValue> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:296:29
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/tag_interop.rs:296:52
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:301:25
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn get_field(&self, field: &MetadataField) -> Option<MetadataValue> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:304:29
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/tag_interop.rs:304:52
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nice_path`
[INFO] [stdout]    --> src/main.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let nice_path = ItemPath::Folder(
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nice_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:422:26
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn handle_folder_results(results: &ProcessFolderResults) {}
[INFO] [stdout]     |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_folder_results` is never used
[INFO] [stdout]    --> src/main.rs:422:4
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn handle_folder_results(results: &ProcessFolderResults) {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nice_folder` is never read
[INFO] [stdout]    --> src/art.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub struct ArtConfigLoadResults {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 286 |     pub result: Result<Rc<ArtConfig>, Rc<ConfigError>>,
[INFO] [stdout] 287 |     pub nice_folder: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `icon_folder` is never read
[INFO] [stdout]    --> src/art.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub struct ArtRepo {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub icon_folder: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_option` is never used
[INFO] [stdout]    --> src/metadata.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | impl MetadataValue {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn from_option(value: Option<String>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProcessFolderResults` is never constructed
[INFO] [stdout]   --> src/setting.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ProcessFolderResults {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_folder` is never used
[INFO] [stdout]   --> src/setting.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn process_folder(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/song_config.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     TrackOutOfBounds(&'a Path, u32),
[INFO] [stdout]    |     ---------------- ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 58 -     TrackOutOfBounds(&'a Path, u32),
[INFO] [stdout] 58 +     TrackOutOfBounds((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/song_config.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     DiscOutOfBounds(&'a Path, u32),
[INFO] [stdout]    |     --------------- ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 59 -     DiscOutOfBounds(&'a Path, u32),
[INFO] [stdout] 59 +     DiscOutOfBounds((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/song_config.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     NoTrackNumber(&'a Path),
[INFO] [stdout]    |     ------------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 -     NoTrackNumber(&'a Path),
[INFO] [stdout] 60 +     NoTrackNumber(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/song_config.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     DuplicateTrackNumber(&'a Path, &'a Path, u32),
[INFO] [stdout]    |     -------------------- ^^^^^^^^  ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 61 -     DuplicateTrackNumber(&'a Path, &'a Path, u32),
[INFO] [stdout] 61 +     DuplicateTrackNumber((), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/song_config.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     UnexpectedDiscPresent(&'a Path, u32),
[INFO] [stdout]    |     --------------------- ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 62 -     UnexpectedDiscPresent(&'a Path, u32),
[INFO] [stdout] 62 +     UnexpectedDiscPresent((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/song_config.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 |     UnexpectedDiscAbsent(&'a Path),
[INFO] [stdout]    |     -------------------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     UnexpectedDiscAbsent(&'a Path),
[INFO] [stdout] 63 +     UnexpectedDiscAbsent(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SyncedOrSimple` is never used
[INFO] [stdout]    --> src/tag_interop.rs:408:6
[INFO] [stdout]     |
[INFO] [stdout] 408 | enum SyncedOrSimple {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_lyrics` is never used
[INFO] [stdout]    --> src/tag_interop.rs:412:4
[INFO] [stdout]     |
[INFO] [stdout] 412 | fn try_lyrics(lines: Vec<String>) -> SyncedOrSimple {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/strategy.rs:471:24
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn file_name(path: &Path) -> Cow<str> {
[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] 471 |     fn file_name(path: &Path) -> Cow<'_, str> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:293:25
[INFO] [stdout]     |
[INFO] [stdout] 293 |     fn get_field(&self, field: &MetadataField) -> Option<MetadataValue> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:296:29
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/tag_interop.rs:296:52
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:301:25
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn get_field(&self, field: &MetadataField) -> Option<MetadataValue> {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/tag_interop.rs:304:29
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/tag_interop.rs:304:52
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set_field(&mut self, field: &MetadataField, value: MetadataValue) -> Option<SetFieldResult> {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nice_path`
[INFO] [stdout]    --> src/main.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let nice_path = ItemPath::Folder(
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nice_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:422:26
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn handle_folder_results(results: &ProcessFolderResults) {}
[INFO] [stdout]     |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_folder_results` is never used
[INFO] [stdout]    --> src/main.rs:422:4
[INFO] [stdout]     |
[INFO] [stdout] 422 | fn handle_folder_results(results: &ProcessFolderResults) {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nice_folder` is never read
[INFO] [stdout]    --> src/art.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub struct ArtConfigLoadResults {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 286 |     pub result: Result<Rc<ArtConfig>, Rc<ConfigError>>,
[INFO] [stdout] 287 |     pub nice_folder: PathBuf,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `icon_folder` is never read
[INFO] [stdout]    --> src/art.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub struct ArtRepo {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub icon_folder: Option<PathBuf>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_option` is never used
[INFO] [stdout]    --> src/metadata.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | impl MetadataValue {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn from_option(value: Option<String>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProcessFolderResults` is never constructed
[INFO] [stdout]   --> src/setting.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ProcessFolderResults {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_folder` is never used
[INFO] [stdout]   --> src/setting.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn process_folder(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/song_config.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     TrackOutOfBounds(&'a Path, u32),
[INFO] [stdout]    |     ---------------- ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 58 -     TrackOutOfBounds(&'a Path, u32),
[INFO] [stdout] 58 +     TrackOutOfBounds((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/song_config.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     DiscOutOfBounds(&'a Path, u32),
[INFO] [stdout]    |     --------------- ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 59 -     DiscOutOfBounds(&'a Path, u32),
[INFO] [stdout] 59 +     DiscOutOfBounds((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/song_config.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     NoTrackNumber(&'a Path),
[INFO] [stdout]    |     ------------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 -     NoTrackNumber(&'a Path),
[INFO] [stdout] 60 +     NoTrackNumber(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/song_config.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     DuplicateTrackNumber(&'a Path, &'a Path, u32),
[INFO] [stdout]    |     -------------------- ^^^^^^^^  ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 61 -     DuplicateTrackNumber(&'a Path, &'a Path, u32),
[INFO] [stdout] 61 +     DuplicateTrackNumber((), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/song_config.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     UnexpectedDiscPresent(&'a Path, u32),
[INFO] [stdout]    |     --------------------- ^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 62 -     UnexpectedDiscPresent(&'a Path, u32),
[INFO] [stdout] 62 +     UnexpectedDiscPresent((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/song_config.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 |     UnexpectedDiscAbsent(&'a Path),
[INFO] [stdout]    |     -------------------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     UnexpectedDiscAbsent(&'a Path),
[INFO] [stdout] 63 +     UnexpectedDiscAbsent(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SyncedOrSimple` is never used
[INFO] [stdout]    --> src/tag_interop.rs:408:6
[INFO] [stdout]     |
[INFO] [stdout] 408 | enum SyncedOrSimple {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_lyrics` is never used
[INFO] [stdout]    --> src/tag_interop.rs:412:4
[INFO] [stdout]     |
[INFO] [stdout] 412 | fn try_lyrics(lines: Vec<String>) -> SyncedOrSimple {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/strategy.rs:471:24
[INFO] [stdout]     |
[INFO] [stdout] 471 |     fn file_name(path: &Path) -> Cow<str> {
[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] 471 |     fn file_name(path: &Path) -> Cow<'_, str> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "1446543df0ecf605f71e0fb6e1dfe4c1958204f2d8e3ccd4635bbb31c090372b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1446543df0ecf605f71e0fb6e1dfe4c1958204f2d8e3ccd4635bbb31c090372b", kill_on_drop: false }`
[INFO] [stdout] 1446543df0ecf605f71e0fb6e1dfe4c1958204f2d8e3ccd4635bbb31c090372b
