warning: associated function `new` is never used --> mfm_core/src/states/mod.rs:19:8 | 18 | impl ReadConfig { | --------------- associated function in this implementation 19 | fn new() -> Self { | ^^^ | = note: `#[warn(dead_code)]` on by default

warning: unused `std::result::Result` that must be used --> mfm_machine/src/state_machine/mod.rs:183:9 | 183 | / self.tracker.as_mut().track( 184 | | Index::new(next_state_index, state.label(), state.tags()), 185 | | context.clone(), 186 | | ); | |_________^ | = note: this `Result` may be an `Err` variant, which should be handled = note: `#[warn(unused_must_use)]` on by default help: use `let _ = ...` to ignore the resulting value | 183 | let _ = self.tracker.as_mut().track( | +++++++

warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let` --> mfm_machine/src/state_machine/mod.rs:104:9 | 104 | / match self.reached_max_recoveries() { 105 | | (true, steps) => { 106 | | return Err(StateMachineError::ReachedMaxRecoveries( 107 | | (), ... | 111 | | (_, _) => (), 112 | | } | |_________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match = note: `#[warn(clippy::single_match)]` on by default help: try | 104 ~ if let (true, steps) = self.reached_max_recoveries() { 105 + return Err(StateMachineError::ReachedMaxRecoveries( 106 + (), 107 + anyhow!("reached max recoveries ({})", steps), 108 + )) 109 + } |

warning: struct `TrackerHistory` has a public `len` method, but no `is_empty` method --> mfm_machine/src/state_machine/tracker.rs:38:5 | 38 | pub fn len(&self) -> usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty = note: `#[warn(clippy::len_without_is_empty)]` on by default

warning: you should consider adding a `Default` implementation for `TrackerHistory` --> mfm_machine/src/state_machine/tracker.rs:34:5 | 34 | / pub fn new() -> Self { 35 | | TrackerHistory(Vec::new()) 36 | | } | |_____^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default = note: `#[warn(clippy::new_without_default)]` on by default help: try adding this | 33 + impl Default for TrackerHistory { 34 + fn default() -> Self { 35 + Self::new() 36 + } 37 + } |

warning: `.map().collect()` can be replaced with `.try_for_each()` --> mfm_machine/src/state_machine/tracker.rs:20:9 | 20 | / self.0 21 | | .iter() 22 | | .map(|(history_id, index, value)| { 23 | | writeln!( ... | 28 | | }) 29 | | .collect() | |______________________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_collect_result_unit = note: `#[warn(clippy::map_collect_result_unit)]` on by default help: try | 20 ~ self.0 21 + .iter().try_for_each(|(history_id, index, value)| { 22 + writeln!( 23 + f, 24 + "history_id ({}); index ({:?}); context ({:?})", 25 + history_id, index, value 26 + ) 27 + }) |