[INFO] cloning repository https://github.com/joaopsramos/graph-n1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaopsramos/graph-n1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaopsramos%2Fgraph-n1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaopsramos%2Fgraph-n1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 161a6e77ecf0b9fef585b6473f557d06e98f4ff4
[INFO] linting joaopsramos/graph-n1 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaopsramos%2Fgraph-n1" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joaopsramos/graph-n1
[INFO] finished tweaking git repo https://github.com/joaopsramos/graph-n1
[INFO] tweaked toml for git repo https://github.com/joaopsramos/graph-n1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joaopsramos/graph-n1 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] crate git repo https://github.com/joaopsramos/graph-n1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
[INFO] [stdout] 982ed0ab17045709278a652958cc6110e3f3abc6c6d445463c0310bbe9638fad
[INFO] running `Command { std: "docker" "start" "-a" "982ed0ab17045709278a652958cc6110e3f3abc6c6d445463c0310bbe9638fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "982ed0ab17045709278a652958cc6110e3f3abc6c6d445463c0310bbe9638fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982ed0ab17045709278a652958cc6110e3f3abc6c6d445463c0310bbe9638fad", kill_on_drop: false }`
[INFO] [stdout] 982ed0ab17045709278a652958cc6110e3f3abc6c6d445463c0310bbe9638fad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 49696ad2d8e0cceedb126d5575703c0e50717c89d5d5d02f6eaa3f7208151951
[INFO] running `Command { std: "docker" "start" "-a" "49696ad2d8e0cceedb126d5575703c0e50717c89d5d5d02f6eaa3f7208151951", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking n1_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/feedback.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn cycle_read(cycle: &Vec<usize>) -> 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] 16 -     pub fn cycle_read(cycle: &Vec<usize>) -> String {
[INFO] [stdout] 16 +     pub fn cycle_read(cycle: &[usize]) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/feedback.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         format!("Vértices disponíveis:")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Vértices disponíveis:".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/feedback.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         format!("A aresta informada não existe")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"A aresta informada não existe".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/feedback.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn cycle_read(cycle: &Vec<usize>) -> 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] 16 -     pub fn cycle_read(cycle: &Vec<usize>) -> String {
[INFO] [stdout] 16 +     pub fn cycle_read(cycle: &[usize]) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/feedback.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         format!("Vértices disponíveis:")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Vértices disponíveis:".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/feedback.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         format!("A aresta informada não existe")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"A aresta informada não existe".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/graph.rs:90:35
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_by_codes(&self, codes: &Vec<usize>) -> Vec<&Node> {
[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] 90 -     fn get_by_codes(&self, codes: &Vec<usize>) -> Vec<&Node> {
[INFO] [stdout] 90 +     fn get_by_codes(&self, codes: &[usize]) -> Vec<&Node> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/graph.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         return None;
[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] 140 -         return None;
[INFO] [stdout] 140 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:129:64
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let current_node_edges = self.find_connected_nodes(&current_node);
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^ help: change this to: `current_node`
[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: unneeded `return` statement
[INFO] [stdout]    --> src/graph.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         return true;
[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] 158 -         return true;
[INFO] [stdout] 158 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph.rs:143:28
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn is_cycle(codes: &Vec<usize>) -> bool {
[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] 143 ~     pub fn is_cycle(codes: &[usize]) -> bool {
[INFO] [stdout] 144 |         if codes.len() <= 2 || codes.first().unwrap() != codes.last().unwrap() {
[INFO] [stdout] ...
[INFO] [stdout] 147 |
[INFO] [stdout] 148 ~         let mut unique_codes = codes.to_owned();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/graph.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |             if !current_node_edges.iter().find(|c| *c == code).is_some() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `current_node_edges.iter().find(|c| *c == code).is_none()`
[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 expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:162:28
[INFO] [stdout]     |
[INFO] [stdout] 162 |         if !Self::is_cycle(&codes) {
[INFO] [stdout]     |                            ^^^^^^ help: change this to: `codes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `match` expression can be replaced with `?`
[INFO] [stdout]    --> src/graph.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 |           let first_node = match self.find_by_code(*codes_iter.next().unwrap()) {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 170 | |             Some(node) => node,
[INFO] [stdout] 171 | |             None => return None,
[INFO] [stdout] 172 | |         };
[INFO] [stdout]     | |_________^ help: try instead: `self.find_by_code(*codes_iter.next().unwrap())?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/graph.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         while let Some(code) = codes_iter.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for code in codes_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]     = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/graph.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         return true;
[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] 258 -         return true;
[INFO] [stdout] 258 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:236:37
[INFO] [stdout]     |
[INFO] [stdout] 236 |             if !self.nodes.contains(&sub_node) {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: change this to: `sub_node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:245:53
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     if subgraph_node_codes.contains(&edge) {
[INFO] [stdout]     |                                                     ^^^^^ help: change this to: `edge`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:252:41
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 if !node_edges.contains(&sub_node_edge) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^ help: change this to: `sub_node_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/graph.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 string = format!("{string}");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `string.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph.rs:286:40
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn format_edges(weighted: bool, edges: &Vec<Edge>) -> 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] 286 - fn format_edges(weighted: bool, edges: &Vec<Edge>) -> String {
[INFO] [stdout] 286 + fn format_edges(weighted: bool, edges: &[Edge]) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/graph.rs:90:35
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_by_codes(&self, codes: &Vec<usize>) -> Vec<&Node> {
[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] 90 -     fn get_by_codes(&self, codes: &Vec<usize>) -> Vec<&Node> {
[INFO] [stdout] 90 +     fn get_by_codes(&self, codes: &[usize]) -> Vec<&Node> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/graph.rs:301:18
[INFO] [stdout]     |
[INFO] [stdout] 301 |         string = format!("{string}");
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `string.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/graph.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     format!("{string}")
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `string.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/graph.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         return None;
[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] 140 -         return None;
[INFO] [stdout] 140 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:129:64
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let current_node_edges = self.find_connected_nodes(&current_node);
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^ help: change this to: `current_node`
[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: unneeded `return` statement
[INFO] [stdout]    --> src/graph.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         return true;
[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] 158 -         return true;
[INFO] [stdout] 158 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph.rs:143:28
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn is_cycle(codes: &Vec<usize>) -> bool {
[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] 143 ~     pub fn is_cycle(codes: &[usize]) -> bool {
[INFO] [stdout] 144 |         if codes.len() <= 2 || codes.first().unwrap() != codes.last().unwrap() {
[INFO] [stdout] ...
[INFO] [stdout] 147 |
[INFO] [stdout] 148 ~         let mut unique_codes = codes.to_owned();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/graph.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |             if !current_node_edges.iter().find(|c| *c == code).is_some() {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `current_node_edges.iter().find(|c| *c == code).is_none()`
[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 expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:162:28
[INFO] [stdout]     |
[INFO] [stdout] 162 |         if !Self::is_cycle(&codes) {
[INFO] [stdout]     |                            ^^^^^^ help: change this to: `codes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `match` expression can be replaced with `?`
[INFO] [stdout]    --> src/graph.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 |           let first_node = match self.find_by_code(*codes_iter.next().unwrap()) {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 170 | |             Some(node) => node,
[INFO] [stdout] 171 | |             None => return None,
[INFO] [stdout] 172 | |         };
[INFO] [stdout]     | |_________^ help: try instead: `self.find_by_code(*codes_iter.next().unwrap())?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/graph.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         while let Some(code) = codes_iter.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for code in codes_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]     = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/graph_builder.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |         println!("{}", Feedback::value_read(&value, "Valor digitado"));
[INFO] [stdout]    |                                             ^^^^^^ help: change this to: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/graph.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         return true;
[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] 258 -         return true;
[INFO] [stdout] 258 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:236:37
[INFO] [stdout]     |
[INFO] [stdout] 236 |             if !self.nodes.contains(&sub_node) {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: change this to: `sub_node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:245:53
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     if subgraph_node_codes.contains(&edge) {
[INFO] [stdout]     |                                                     ^^^^^ help: change this to: `edge`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/graph.rs:252:41
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 if !node_edges.contains(&sub_node_edge) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^ help: change this to: `sub_node_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/graph.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 string = format!("{string}");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `string.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph.rs:286:40
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn format_edges(weighted: bool, edges: &Vec<Edge>) -> 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] 286 - fn format_edges(weighted: bool, edges: &Vec<Edge>) -> String {
[INFO] [stdout] 286 + fn format_edges(weighted: bool, edges: &[Edge]) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/graph.rs:301:18
[INFO] [stdout]     |
[INFO] [stdout] 301 |         string = format!("{string}");
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `string.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/graph_builder.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         print!("-----------------\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 177 -         print!("-----------------\n");
[INFO] [stdout] 177 +         println!("-----------------");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/graph.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     format!("{string}")
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `string.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/graph_builder.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |         println!("{}", Feedback::value_read(&value, "Valor digitado"));
[INFO] [stdout]    |                                             ^^^^^^ help: change this to: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph_builder.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn node_exists(nodes: &Vec<Node>, code: usize) -> bool {
[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] 276 - fn node_exists(nodes: &Vec<Node>, code: usize) -> bool {
[INFO] [stdout] 276 + fn node_exists(nodes: &[Node], code: usize) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph_builder.rs:280:23
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn print_nodes(nodes: &Vec<Node>) {
[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] 280 - fn print_nodes(nodes: &Vec<Node>) {
[INFO] [stdout] 280 + fn print_nodes(nodes: &[Node]) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/graph_exporter.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     f.push_str("}");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `f.push('}')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/graph_builder.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         print!("-----------------\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 177 -         print!("-----------------\n");
[INFO] [stdout] 177 +         println!("-----------------");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph_builder.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn node_exists(nodes: &Vec<Node>, code: usize) -> bool {
[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] 276 - fn node_exists(nodes: &Vec<Node>, code: usize) -> bool {
[INFO] [stdout] 276 + fn node_exists(nodes: &[Node], code: usize) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/graph_builder.rs:280:23
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn print_nodes(nodes: &Vec<Node>) {
[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] 280 - fn print_nodes(nodes: &Vec<Node>) {
[INFO] [stdout] 280 + fn print_nodes(nodes: &[Node]) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/menu.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |         match parse_option(&option.trim()) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^ help: change this to: `option.trim()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/menu.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |         _ => Ok(format!("i")),
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: consider using `.to_string()`: `"i".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/graph_exporter.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     f.push_str("}");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `f.push('}')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/menu.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |     if graph.has_buckle(&node) {
[INFO] [stdout]     |                         ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/menu.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |         None => return Ok(Feedback::no_path_found(node1.code, node2.code)),
[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] 221 -         None => return Ok(Feedback::no_path_found(node1.code, node2.code)),
[INFO] [stdout] 221 +         None => Ok(Feedback::no_path_found(node1.code, node2.code)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 214 -     print!("\n");
[INFO] [stdout] 214 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 227 -     print!("\n");
[INFO] [stdout] 227 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/menu.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |         match parse_option(&option.trim()) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^ help: change this to: `option.trim()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]    --> src/menu.rs:241:43
[INFO] [stdout]     |
[INFO] [stdout] 241 |         .map(|x| format!("[{}] {}", x.code.to_string(), x.name))
[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: useless use of `format!`
[INFO] [stdout]    --> src/menu.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |         _ => Ok(format!("i")),
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: consider using `.to_string()`: `"i".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/menu.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |     if graph.has_buckle(&node) {
[INFO] [stdout]     |                         ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 296 -     print!("\n");
[INFO] [stdout] 296 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/menu.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |         None => return Ok(Feedback::no_path_found(node1.code, node2.code)),
[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] 221 -         None => return Ok(Feedback::no_path_found(node1.code, node2.code)),
[INFO] [stdout] 221 +         None => Ok(Feedback::no_path_found(node1.code, node2.code)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 214 -     print!("\n");
[INFO] [stdout] 214 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 227 -     print!("\n");
[INFO] [stdout] 227 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]    --> src/menu.rs:241:43
[INFO] [stdout]     |
[INFO] [stdout] 241 |         .map(|x| format!("[{}] {}", x.code.to_string(), x.name))
[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: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         print!("\n")
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 317 -         print!("\n")
[INFO] [stdout] 317 +         println!()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:352:5
[INFO] [stdout]     |
[INFO] [stdout] 352 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 352 -     print!("\n");
[INFO] [stdout] 352 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 296 -     print!("\n");
[INFO] [stdout] 296 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         print!("\n")
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 317 -         print!("\n")
[INFO] [stdout] 317 +         println!()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/menu.rs:352:5
[INFO] [stdout]     |
[INFO] [stdout] 352 |     print!("\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 352 -     print!("\n");
[INFO] [stdout] 352 +     println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         print!("\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 36 -         print!("\n");
[INFO] [stdout] 36 +         println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         print!("\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 36 -         print!("\n");
[INFO] [stdout] 36 +         println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "49696ad2d8e0cceedb126d5575703c0e50717c89d5d5d02f6eaa3f7208151951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49696ad2d8e0cceedb126d5575703c0e50717c89d5d5d02f6eaa3f7208151951", kill_on_drop: false }`
[INFO] [stdout] 49696ad2d8e0cceedb126d5575703c0e50717c89d5d5d02f6eaa3f7208151951