src/trigger.rs:50:12:w:warning: fields `force_envs` and `deps` are never read
  --> src/trigger.rs:56:5
   |
50 | pub struct Trigger {
   |            ------- fields in this struct
...
56 |     force_envs: Vec<OsEnv>,
   |     ^^^^^^^^^^
...
59 |     deps: Vec<String>,
   |     ^^^^
   |
   = note: `Trigger` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
   = note: `#[warn(dead_code)]` on by default


__END__

src/bin/usysconf/pathtimes.rs:12:12:w:warning: field `map` is never read
  --> src/bin/usysconf/pathtimes.rs:13:5
   |
12 | pub struct PathTimes {
   |            --------- field in this struct
13 |     map: HashMap<Path, Mtime>,
   |     ^^^
   |
   = note: `#[warn(dead_code)]` on by default


__END__

src/bin/usysconf/pathtimes.rs:16:1:w:warning: associated items `new`, `update`, `get`, and `save` are never used
  --> src/bin/usysconf/pathtimes.rs:17:12
   |
16 | impl PathTimes {
   | -------------- associated items in this implementation
17 |     pub fn new(source: impl Read) -> Result<Self, bincode::Error> {
   |            ^^^
...
23 |     pub fn update(&mut self, path: Path, mtime: Mtime) {
   |            ^^^^^^
...
27 |     pub fn get(&self, path: &Path) -> Option<Mtime> {
   |            ^^^
...
31 |     pub fn save(&mut self, writer: impl Write) -> Result<(), bincode::Error> {
   |            ^^^^


__END__