[INFO] cloning repository https://github.com/DanielRamosAcosta/cya-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielRamosAcosta/cya-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielRamosAcosta%2Fcya-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielRamosAcosta%2Fcya-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 079c38834c533c4fedb29d08bd46d23c5e1b5a9e
[INFO] linting DanielRamosAcosta/cya-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielRamosAcosta%2Fcya-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DanielRamosAcosta/cya-rust
[INFO] finished tweaking git repo https://github.com/DanielRamosAcosta/cya-rust
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[INFO] validating manifest of git repo https://github.com/DanielRamosAcosta/cya-rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "66d72468fd1d50af5cc9722ce5f4b9da573a8a064b350bbdc102f57a473e8eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d72468fd1d50af5cc9722ce5f4b9da573a8a064b350bbdc102f57a473e8eda", kill_on_drop: false }`
[INFO] [stdout] 66d72468fd1d50af5cc9722ce5f4b9da573a8a064b350bbdc102f57a473e8eda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252859ceb806d70302dada3235ac45e6ed47b3514499c848a9c129fe46703e3a
[INFO] running `Command { std: "docker" "start" "-a" "252859ceb806d70302dada3235ac45e6ed47b3514499c848a9c129fe46703e3a", kill_on_drop: false }`
[INFO] [stderr]     Checking exercise-10 v0.1.0 (/opt/rustwide/workdir/exercise-10)
[INFO] [stderr]     Checking exercise-4 v0.1.0 (/opt/rustwide/workdir/exercise-04)
[INFO] [stdout] warning: method `eq` can be confused for the standard trait method `std::cmp::PartialEq::eq`
[INFO] [stdout]   --> exercise-04/src/dfa.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     pub fn eq(&self, other: &Dfa) -> bool {
[INFO] [stdout] 20 | |         if self.initial_state != other.initial_state {
[INFO] [stdout] 21 | |             return false;
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         })
[INFO] [stdout] 37 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::cmp::PartialEq` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout]    = note: `#[warn(clippy::should_implement_trait)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> exercise-04/src/dfa.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |           self.states.iter().fold(true, |result, state| {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 29 | |             result
[INFO] [stdout] 30 | |                 && other
[INFO] [stdout] 31 | |                     .states
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |                     .unwrap_or(false)
[INFO] [stdout] 36 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the `all` method is short circuiting and may change the program semantics if the iterator has side effects
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 28 ~         self.states.iter().all(|state| other
[INFO] [stdout] 29 +                     .states
[INFO] [stdout] 30 +                     .iter()
[INFO] [stdout] 31 +                     .find(|s| s.has_same_label(state))
[INFO] [stdout] 32 +                     .map(|s| s.equal(state))
[INFO] [stdout] 33 +                     .unwrap_or(false))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         return Status::new(input, transitions, is_final);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 47 -         return Status::new(input, transitions, is_final);
[INFO] [stdout] 47 +         Status::new(input, transitions, is_final)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `dfa::Dfa`
[INFO] [stdout]   --> exercise-04/src/dfa.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 51 | |         let states = self
[INFO] [stdout] 52 | |             .states
[INFO] [stdout] 53 | |             .iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         return format!("{}\n{}\n{}", self.states.len(), self.initial_state, states);
[INFO] [stdout] 59 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `dfa::Dfa` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout]    = note: `#[warn(clippy::inherent_to_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return format!("{}\n{}\n{}", self.states.len(), self.initial_state, states);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return format!("{}\n{}\n{}", self.states.len(), self.initial_state, states);
[INFO] [stdout] 58 +         format!("{}\n{}\n{}", self.states.len(), self.initial_state, states)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa.rs:63:16
[INFO] [stdout]    |
[INFO] [stdout] 63 |         input: &String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 63 -         input: &String,
[INFO] [stdout] 63 +         input: &str,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa.rs:84:42
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn perform_transitions(&self, input: &String) -> TransitionsLog {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn perform_transitions(&self, input: &String) -> TransitionsLog {
[INFO] [stdout] 84 +     fn perform_transitions(&self, input: &str) -> TransitionsLog {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> exercise-04/src/dfa.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | /         input
[INFO] [stdout] 86 | |             .chars()
[INFO] [stdout] 87 | |             .into_iter()
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 85 ~         input
[INFO] [stdout] 86 +             .chars()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]  --> exercise-04/src/dfa_parser.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get_initial_state(string: &String) -> Option<u32> {
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn get_initial_state(string: &String) -> Option<u32> {
[INFO] [stdout] 6 + pub fn get_initial_state(string: &str) -> Option<u32> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_body(string: &String) -> String {
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 16 - pub fn get_body(string: &String) -> String {
[INFO] [stdout] 16 + pub fn get_body(string: &str) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     return Transition::new(symbol1, dest_state);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     return Transition::new(symbol1, dest_state);
[INFO] [stdout] 29 +     Transition::new(symbol1, dest_state)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `el.get(0)`
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let symbol = el.get(0).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^ help: try: `el.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn parse_state(string: &String) -> State {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 32 - pub fn parse_state(string: &String) -> State {
[INFO] [stdout] 32 + pub fn parse_state(string: &str) -> State {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|str| String::from(str))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `elements.get(0)`
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let label = elements
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 39 | |         .get(0)
[INFO] [stdout]    | |_______________^ help: try: `elements.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     return Some(dfa);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     return Some(dfa);
[INFO] [stdout] 77 +     Some(dfa)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .map(|str| String::from(str))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> exercise-04/src/state.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         true && self.label.eq(&other.label)
[INFO] [stdout] 24 | |             && self.is_final.eq(&other.is_final)
[INFO] [stdout] 25 | |             && self.transitions.eq(&other.transitions)
[INFO] [stdout]    | |______________________________________________________^ help: try: `self.label.eq(&other.label) && self.is_final.eq(&other.is_final) && self.transitions.eq(&other.transitions)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> exercise-04/src/state.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         true && self.label.eq(&other.label)
[INFO] [stdout] 24 | |             && self.is_final.eq(&other.is_final)
[INFO] [stdout]    | |________________________________________________^ help: try: `self.label.eq(&other.label) && self.is_final.eq(&other.is_final)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> exercise-04/src/state.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         true && self.label.eq(&other.label)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.label.eq(&other.label)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `state::State`
[INFO] [stdout]   --> exercise-04/src/state.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 37 | |         format!(
[INFO] [stdout] 38 | |             "{} {} {} {}",
[INFO] [stdout] 39 | |             self.label,
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `state::State` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `status::Status`
[INFO] [stdout]   --> exercise-04/src/status.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 20 | |         let input = String::from("Input string: <input>").replace("<input>", &self.input);
[INFO] [stdout] 21 | |         let transitions = self.transitions_log.to_string();
[INFO] [stdout] 22 | |         let accepted = if self.is_accepted {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         return result;
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `status::Status` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         return result;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -         return result;
[INFO] [stdout] 30 +         result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eq` can be confused for the standard trait method `std::cmp::PartialEq::eq`
[INFO] [stdout]   --> exercise-04/src/transition.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     pub fn eq(&self, other: &Transition) -> bool {
[INFO] [stdout] 24 | |         self.has_same_symbol(&other) && self.destination_state.eq(&other.destination_state)
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::cmp::PartialEq` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> exercise-04/src/transition.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |         self.has_same_symbol(&other) && self.destination_state.eq(&other.destination_state)
[INFO] [stdout]    |                              ^^^^^^ help: change this to: `other`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transition::Transition`
[INFO] [stdout]   --> exercise-04/src/transition.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 28 | |         format!("{} {}", self.symbol, self.destination_state)
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transition::Transition` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         return TransitionLog {
[INFO] [stdout] 11 | |             current_state,
[INFO] [stdout] 12 | |             input,
[INFO] [stdout] 13 | |             next_state,
[INFO] [stdout] 14 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 ~         TransitionLog {
[INFO] [stdout] 11 +             current_state,
[INFO] [stdout] 12 +             input,
[INFO] [stdout] 13 +             next_state,
[INFO] [stdout] 14 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transition_log::TransitionLog`
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 22 | |         return format!(
[INFO] [stdout] 23 | |             "{}              {}      {}",
[INFO] [stdout] 24 | |             self.current_state.to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transition_log::TransitionLog` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         return format!(
[INFO] [stdout] 23 | |             "{}              {}      {}",
[INFO] [stdout] 24 | |             self.current_state.to_string(),
[INFO] [stdout] 25 | |             self.input.to_string(),
[INFO] [stdout] 26 | |             self.next_state.to_string()
[INFO] [stdout] 27 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 22 ~         format!(
[INFO] [stdout] 23 +             "{}              {}      {}",
[INFO] [stdout] 24 +             self.current_state.to_string(),
[INFO] [stdout] 25 +             self.input.to_string(),
[INFO] [stdout] 26 +             self.next_state.to_string()
[INFO] [stdout] 27 ~         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |             self.current_state.to_string(),
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]    = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |             self.input.to_string(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |             self.next_state.to_string()
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eq` can be confused for the standard trait method `std::cmp::PartialEq::eq`
[INFO] [stdout]   --> exercise-04/src/transitions.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     pub fn eq(&self, other: &Transitions) -> bool {
[INFO] [stdout] 13 | |         self.same_amount_of_transitions(other)
[INFO] [stdout] 14 | |             && self.transitions.iter().fold(true, |result, transition| {
[INFO] [stdout] 15 | |                 result
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |             })
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::cmp::PartialEq` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> exercise-04/src/transitions.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 |               && self.transitions.iter().fold(true, |result, transition| {
[INFO] [stdout]    |  ________________________________________^
[INFO] [stdout] 15 | |                 result
[INFO] [stdout] 16 | |                     && other
[INFO] [stdout] 17 | |                         .transitions
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |                         .unwrap_or(false)
[INFO] [stdout] 22 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the `all` method is short circuiting and may change the program semantics if the iterator has side effects
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 14 ~             && self.transitions.iter().all(|transition| other
[INFO] [stdout] 15 +                         .transitions
[INFO] [stdout] 16 +                         .iter()
[INFO] [stdout] 17 +                         .find(|t| t.has_same_symbol(transition))
[INFO] [stdout] 18 +                         .map(|t| t.eq(transition))
[INFO] [stdout] 19 +                         .unwrap_or(false))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transitions::Transitions`
[INFO] [stdout]   --> exercise-04/src/transitions.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 37 | |         self.transitions
[INFO] [stdout] 38 | |             .iter()
[INFO] [stdout] 39 | |             .map(|transition| transition.to_string())
[INFO] [stdout] 40 | |             .collect::<Vec<String>>()
[INFO] [stdout] 41 | |             .join(" ")
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transitions::Transitions` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/transitions_log.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return TransitionsLog::new(transitions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -         return TransitionsLog::new(transitions);
[INFO] [stdout] 27 +         TransitionsLog::new(transitions)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transitions_log::TransitionsLog`
[INFO] [stdout]   --> exercise-04/src/transitions_log.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 46 | |         TransitionsLog::get_header()
[INFO] [stdout] 47 | |             + &self
[INFO] [stdout] 48 | |                 .transitions
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |                 .join("\n")
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transitions_log::TransitionsLog` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> exercise-04/src/transitions_log.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let aux = vec![transition];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: you can use an array directly: `[transition]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `LEFT` contains a capitalized acronym
[INFO] [stdout]  --> exercise-10/src/movement.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LEFT,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Left`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `RIGHT` contains a capitalized acronym
[INFO] [stdout]  --> exercise-10/src/movement.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RIGHT,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Right`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `STOP` contains a capitalized acronym
[INFO] [stdout]  --> exercise-10/src/movement.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     STOP,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Stop`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-10/src/tape.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn from_string_head_at(string: &String, head: usize) -> Tape {
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 18 -     pub fn from_string_head_at(string: &String, head: usize) -> Tape {
[INFO] [stdout] 18 +     pub fn from_string_head_at(string: &str, head: usize) -> Tape {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> exercise-10/src/tape.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.rail.get(self.head).unwrap().clone()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.rail.get(self.head).unwrap()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `tape::Tape`
[INFO] [stdout]   --> exercise-10/src/tape.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 49 | |         format!(
[INFO] [stdout] 50 | |             "...{}...\n...{}...",
[INFO] [stdout] 51 | |             self.rail_to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `tape::Tape` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout]    = note: `#[warn(clippy::inherent_to_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> exercise-10/src/tape.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         self.rail_to_string()
[INFO] [stdout] 58 | |             .chars()
[INFO] [stdout] 59 | |             .into_iter()
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 57 ~         self.rail_to_string()
[INFO] [stdout] 58 +             .chars()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> exercise-10/src/tape.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .map(|x| String::from(x.clone()))
[INFO] [stdout]    |                                   ^^^^^^^^^ help: try dereferencing it: `*x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-10/src/turing_machine.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         return Ok(status.tapes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -         return Ok(status.tapes);
[INFO] [stdout] 63 +         Ok(status.tapes)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-10/src/turing_machine.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute(&self, input: &String) -> Result<Vec<Tape>, Vec<Tape>> {
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn execute(&self, input: &String) -> Result<Vec<Tape>, Vec<Tape>> {
[INFO] [stdout] 22 +     pub fn execute(&self, input: &str) -> Result<Vec<Tape>, Vec<Tape>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> exercise-10/src/turing_machine.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |               let tapes = vec![
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 47 | |                 tape.write(transition.write),
[INFO] [stdout] 48 | |                 tape.write(transition.write).mov(transition.movement),
[INFO] [stdout] 49 | |             ];
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 46 ~             let tapes = [tape.write(transition.write),
[INFO] [stdout] 47 ~                 tape.write(transition.write).mov(transition.movement)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eq` can be confused for the standard trait method `std::cmp::PartialEq::eq`
[INFO] [stdout]   --> exercise-04/src/dfa.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     pub fn eq(&self, other: &Dfa) -> bool {
[INFO] [stdout] 20 | |         if self.initial_state != other.initial_state {
[INFO] [stdout] 21 | |             return false;
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         })
[INFO] [stdout] 37 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::cmp::PartialEq` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout]    = note: `#[warn(clippy::should_implement_trait)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> exercise-04/src/dfa.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |           self.states.iter().fold(true, |result, state| {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 29 | |             result
[INFO] [stdout] 30 | |                 && other
[INFO] [stdout] 31 | |                     .states
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |                     .unwrap_or(false)
[INFO] [stdout] 36 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the `all` method is short circuiting and may change the program semantics if the iterator has side effects
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 28 ~         self.states.iter().all(|state| other
[INFO] [stdout] 29 +                     .states
[INFO] [stdout] 30 +                     .iter()
[INFO] [stdout] 31 +                     .find(|s| s.has_same_label(state))
[INFO] [stdout] 32 +                     .map(|s| s.equal(state))
[INFO] [stdout] 33 +                     .unwrap_or(false))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         return Status::new(input, transitions, is_final);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 47 -         return Status::new(input, transitions, is_final);
[INFO] [stdout] 47 +         Status::new(input, transitions, is_final)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `dfa::Dfa`
[INFO] [stdout]   --> exercise-04/src/dfa.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 51 | |         let states = self
[INFO] [stdout] 52 | |             .states
[INFO] [stdout] 53 | |             .iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         return format!("{}\n{}\n{}", self.states.len(), self.initial_state, states);
[INFO] [stdout] 59 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `dfa::Dfa` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout]    = note: `#[warn(clippy::inherent_to_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return format!("{}\n{}\n{}", self.states.len(), self.initial_state, states);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return format!("{}\n{}\n{}", self.states.len(), self.initial_state, states);
[INFO] [stdout] 58 +         format!("{}\n{}\n{}", self.states.len(), self.initial_state, states)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa.rs:63:16
[INFO] [stdout]    |
[INFO] [stdout] 63 |         input: &String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 63 -         input: &String,
[INFO] [stdout] 63 +         input: &str,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa.rs:84:42
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn perform_transitions(&self, input: &String) -> TransitionsLog {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn perform_transitions(&self, input: &String) -> TransitionsLog {
[INFO] [stdout] 84 +     fn perform_transitions(&self, input: &str) -> TransitionsLog {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> exercise-04/src/dfa.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | /         input
[INFO] [stdout] 86 | |             .chars()
[INFO] [stdout] 87 | |             .into_iter()
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 85 ~         input
[INFO] [stdout] 86 +             .chars()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> exercise-04/src/dfa.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         assert_eq!(dfa1.eq(&dfa2), true)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 199 -         assert_eq!(dfa1.eq(&dfa2), true)
[INFO] [stdout] 199 +         assert!(dfa1.eq(&dfa2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> exercise-04/src/dfa.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         assert_eq!(dfa1.eq(&dfa2), false)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 214 -         assert_eq!(dfa1.eq(&dfa2), false)
[INFO] [stdout] 214 +         assert!(!dfa1.eq(&dfa2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> exercise-04/src/dfa.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         assert_eq!(dfa1.eq(&dfa2), false)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 246 -         assert_eq!(dfa1.eq(&dfa2), false)
[INFO] [stdout] 246 +         assert!(!dfa1.eq(&dfa2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> exercise-04/src/dfa.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         assert_eq!(dfa1.eq(&dfa2), true)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 278 -         assert_eq!(dfa1.eq(&dfa2), true)
[INFO] [stdout] 278 +         assert!(dfa1.eq(&dfa2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]  --> exercise-04/src/dfa_parser.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get_initial_state(string: &String) -> Option<u32> {
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn get_initial_state(string: &String) -> Option<u32> {
[INFO] [stdout] 6 + pub fn get_initial_state(string: &str) -> Option<u32> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_body(string: &String) -> String {
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 16 - pub fn get_body(string: &String) -> String {
[INFO] [stdout] 16 + pub fn get_body(string: &str) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     return Transition::new(symbol1, dest_state);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     return Transition::new(symbol1, dest_state);
[INFO] [stdout] 29 +     Transition::new(symbol1, dest_state)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `el.get(0)`
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let symbol = el.get(0).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^ help: try: `el.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn parse_state(string: &String) -> State {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 32 - pub fn parse_state(string: &String) -> State {
[INFO] [stdout] 32 + pub fn parse_state(string: &str) -> State {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|str| String::from(str))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `elements.get(0)`
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let label = elements
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 39 | |         .get(0)
[INFO] [stdout]    | |_______________^ help: try: `elements.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     return Some(dfa);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     return Some(dfa);
[INFO] [stdout] 77 +     Some(dfa)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> exercise-04/src/dfa_parser.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .map(|str| String::from(str))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> exercise-04/src/state.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         true && self.label.eq(&other.label)
[INFO] [stdout] 24 | |             && self.is_final.eq(&other.is_final)
[INFO] [stdout] 25 | |             && self.transitions.eq(&other.transitions)
[INFO] [stdout]    | |______________________________________________________^ help: try: `self.label.eq(&other.label) && self.is_final.eq(&other.is_final) && self.transitions.eq(&other.transitions)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> exercise-04/src/state.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         true && self.label.eq(&other.label)
[INFO] [stdout] 24 | |             && self.is_final.eq(&other.is_final)
[INFO] [stdout]    | |________________________________________________^ help: try: `self.label.eq(&other.label) && self.is_final.eq(&other.is_final)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> exercise-04/src/state.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         true && self.label.eq(&other.label)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.label.eq(&other.label)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `state::State`
[INFO] [stdout]   --> exercise-04/src/state.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 37 | |         format!(
[INFO] [stdout] 38 | |             "{} {} {} {}",
[INFO] [stdout] 39 | |             self.label,
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `state::State` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/state.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         assert_eq!(state1.equal(&state2), true)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 65 -         assert_eq!(state1.equal(&state2), true)
[INFO] [stdout] 65 +         assert!(state1.equal(&state2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/state.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         assert_eq!(state1.equal(&state2), false)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 77 -         assert_eq!(state1.equal(&state2), false)
[INFO] [stdout] 77 +         assert!(!state1.equal(&state2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/state.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         assert_eq!(state1.equal(&state2), false)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 89 -         assert_eq!(state1.equal(&state2), false)
[INFO] [stdout] 89 +         assert!(!state1.equal(&state2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> exercise-04/src/state.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert_eq!(state1.equal(&state2), false)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 101 -         assert_eq!(state1.equal(&state2), false)
[INFO] [stdout] 101 +         assert!(!state1.equal(&state2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `status::Status`
[INFO] [stdout]   --> exercise-04/src/status.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 20 | |         let input = String::from("Input string: <input>").replace("<input>", &self.input);
[INFO] [stdout] 21 | |         let transitions = self.transitions_log.to_string();
[INFO] [stdout] 22 | |         let accepted = if self.is_accepted {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         return result;
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `status::Status` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         return result;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -         return result;
[INFO] [stdout] 30 +         result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eq` can be confused for the standard trait method `std::cmp::PartialEq::eq`
[INFO] [stdout]   --> exercise-04/src/transition.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     pub fn eq(&self, other: &Transition) -> bool {
[INFO] [stdout] 24 | |         self.has_same_symbol(&other) && self.destination_state.eq(&other.destination_state)
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::cmp::PartialEq` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> exercise-04/src/transition.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |         self.has_same_symbol(&other) && self.destination_state.eq(&other.destination_state)
[INFO] [stdout]    |                              ^^^^^^ help: change this to: `other`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transition::Transition`
[INFO] [stdout]   --> exercise-04/src/transition.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 28 | |         format!("{} {}", self.symbol, self.destination_state)
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transition::Transition` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transition.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         assert_eq!(transition1.eq(&transition2), true)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 41 -         assert_eq!(transition1.eq(&transition2), true)
[INFO] [stdout] 41 +         assert!(transition1.eq(&transition2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transition.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         assert_eq!(transition1.eq(&transition2), false)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         assert_eq!(transition1.eq(&transition2), false)
[INFO] [stdout] 49 +         assert!(!transition1.eq(&transition2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transition.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         assert_eq!(transition1.eq(&transition2), false)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         assert_eq!(transition1.eq(&transition2), false)
[INFO] [stdout] 57 +         assert!(!transition1.eq(&transition2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         return TransitionLog {
[INFO] [stdout] 11 | |             current_state,
[INFO] [stdout] 12 | |             input,
[INFO] [stdout] 13 | |             next_state,
[INFO] [stdout] 14 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 ~         TransitionLog {
[INFO] [stdout] 11 +             current_state,
[INFO] [stdout] 12 +             input,
[INFO] [stdout] 13 +             next_state,
[INFO] [stdout] 14 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transition_log::TransitionLog`
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 22 | |         return format!(
[INFO] [stdout] 23 | |             "{}              {}      {}",
[INFO] [stdout] 24 | |             self.current_state.to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transition_log::TransitionLog` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         return format!(
[INFO] [stdout] 23 | |             "{}              {}      {}",
[INFO] [stdout] 24 | |             self.current_state.to_string(),
[INFO] [stdout] 25 | |             self.input.to_string(),
[INFO] [stdout] 26 | |             self.next_state.to_string()
[INFO] [stdout] 27 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 22 ~         format!(
[INFO] [stdout] 23 +             "{}              {}      {}",
[INFO] [stdout] 24 +             self.current_state.to_string(),
[INFO] [stdout] 25 +             self.input.to_string(),
[INFO] [stdout] 26 +             self.next_state.to_string()
[INFO] [stdout] 27 ~         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |             self.current_state.to_string(),
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]    = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |             self.input.to_string(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]   --> exercise-04/src/transition_log.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |             self.next_state.to_string()
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eq` can be confused for the standard trait method `std::cmp::PartialEq::eq`
[INFO] [stdout]   --> exercise-04/src/transitions.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     pub fn eq(&self, other: &Transitions) -> bool {
[INFO] [stdout] 13 | |         self.same_amount_of_transitions(other)
[INFO] [stdout] 14 | |             && self.transitions.iter().fold(true, |result, transition| {
[INFO] [stdout] 15 | |                 result
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |             })
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider implementing the trait `std::cmp::PartialEq` or choosing a less ambiguous method name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> exercise-04/src/transitions.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 |               && self.transitions.iter().fold(true, |result, transition| {
[INFO] [stdout]    |  ________________________________________^
[INFO] [stdout] 15 | |                 result
[INFO] [stdout] 16 | |                     && other
[INFO] [stdout] 17 | |                         .transitions
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |                         .unwrap_or(false)
[INFO] [stdout] 22 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the `all` method is short circuiting and may change the program semantics if the iterator has side effects
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 14 ~             && self.transitions.iter().all(|transition| other
[INFO] [stdout] 15 +                         .transitions
[INFO] [stdout] 16 +                         .iter()
[INFO] [stdout] 17 +                         .find(|t| t.has_same_symbol(transition))
[INFO] [stdout] 18 +                         .map(|t| t.eq(transition))
[INFO] [stdout] 19 +                         .unwrap_or(false))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transitions::Transitions`
[INFO] [stdout]   --> exercise-04/src/transitions.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 37 | |         self.transitions
[INFO] [stdout] 38 | |             .iter()
[INFO] [stdout] 39 | |             .map(|transition| transition.to_string())
[INFO] [stdout] 40 | |             .collect::<Vec<String>>()
[INFO] [stdout] 41 | |             .join(" ")
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transitions::Transitions` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transitions.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         assert_eq!(transitions1.eq(&transitions2), true)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 62 -         assert_eq!(transitions1.eq(&transitions2), true)
[INFO] [stdout] 62 +         assert!(transitions1.eq(&transitions2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transitions.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         assert_eq!(transitions1.eq(&transitions2), true)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 70 -         assert_eq!(transitions1.eq(&transitions2), true)
[INFO] [stdout] 70 +         assert!(transitions1.eq(&transitions2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transitions.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         assert_eq!(transitions1.eq(&transitions2), false)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 82 -         assert_eq!(transitions1.eq(&transitions2), false)
[INFO] [stdout] 82 +         assert!(!transitions1.eq(&transitions2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> exercise-04/src/transitions.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         assert_eq!(transitions1.eq(&transitions2), false)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 90 -         assert_eq!(transitions1.eq(&transitions2), false)
[INFO] [stdout] 90 +         assert!(!transitions1.eq(&transitions2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-04/src/transitions_log.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return TransitionsLog::new(transitions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -         return TransitionsLog::new(transitions);
[INFO] [stdout] 27 +         TransitionsLog::new(transitions)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `transitions_log::TransitionsLog`
[INFO] [stdout]   --> exercise-04/src/transitions_log.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 46 | |         TransitionsLog::get_header()
[INFO] [stdout] 47 | |             + &self
[INFO] [stdout] 48 | |                 .transitions
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |                 .join("\n")
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `transitions_log::TransitionsLog` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> exercise-04/src/transitions_log.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let aux = vec![transition];
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: you can use an array directly: `[transition]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `LEFT` contains a capitalized acronym
[INFO] [stdout]  --> exercise-10/src/movement.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LEFT,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Left`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `RIGHT` contains a capitalized acronym
[INFO] [stdout]  --> exercise-10/src/movement.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RIGHT,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Right`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `STOP` contains a capitalized acronym
[INFO] [stdout]  --> exercise-10/src/movement.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     STOP,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Stop`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-10/src/tape.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn from_string_head_at(string: &String, head: usize) -> Tape {
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 18 -     pub fn from_string_head_at(string: &String, head: usize) -> Tape {
[INFO] [stdout] 18 +     pub fn from_string_head_at(string: &str, head: usize) -> Tape {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> exercise-10/src/tape.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.rail.get(self.head).unwrap().clone()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.rail.get(self.head).unwrap()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `tape::Tape`
[INFO] [stdout]   --> exercise-10/src/tape.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 49 | |         format!(
[INFO] [stdout] 50 | |             "...{}...\n...{}...",
[INFO] [stdout] 51 | |             self.rail_to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `tape::Tape` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout]    = note: `#[warn(clippy::inherent_to_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> exercise-10/src/tape.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         self.rail_to_string()
[INFO] [stdout] 58 | |             .chars()
[INFO] [stdout] 59 | |             .into_iter()
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 57 ~         self.rail_to_string()
[INFO] [stdout] 58 +             .chars()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> exercise-10/src/tape.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .map(|x| String::from(x.clone()))
[INFO] [stdout]    |                                   ^^^^^^^^^ help: try dereferencing it: `*x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> exercise-10/src/turing_machine.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         return Ok(status.tapes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -         return Ok(status.tapes);
[INFO] [stdout] 63 +         Ok(status.tapes)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> exercise-10/src/turing_machine.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute(&self, input: &String) -> Result<Vec<Tape>, Vec<Tape>> {
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn execute(&self, input: &String) -> Result<Vec<Tape>, Vec<Tape>> {
[INFO] [stdout] 22 +     pub fn execute(&self, input: &str) -> Result<Vec<Tape>, Vec<Tape>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> exercise-10/src/turing_machine.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |               let tapes = vec![
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 47 | |                 tape.write(transition.write),
[INFO] [stdout] 48 | |                 tape.write(transition.write).mov(transition.movement),
[INFO] [stdout] 49 | |             ];
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 46 ~             let tapes = [tape.write(transition.write),
[INFO] [stdout] 47 ~                 tape.write(transition.write).mov(transition.movement)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "252859ceb806d70302dada3235ac45e6ed47b3514499c848a9c129fe46703e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252859ceb806d70302dada3235ac45e6ed47b3514499c848a9c129fe46703e3a", kill_on_drop: false }`
[INFO] [stdout] 252859ceb806d70302dada3235ac45e6ed47b3514499c848a9c129fe46703e3a