[INFO] fetching crate quarkrs 0.1.1...
[INFO] linting quarkrs-0.1.1 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate quarkrs 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate quarkrs 0.1.1
[INFO] finished tweaking crates.io crate quarkrs 0.1.1
[INFO] tweaked toml for crates.io crate quarkrs 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quarkrs 0.1.1 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 37acd5c9ce9712e6cb2433ddbd2dcf1a6f59263f718b91fdfa521a2200835fe6
[INFO] running `Command { std: "docker" "start" "-a" "37acd5c9ce9712e6cb2433ddbd2dcf1a6f59263f718b91fdfa521a2200835fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37acd5c9ce9712e6cb2433ddbd2dcf1a6f59263f718b91fdfa521a2200835fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37acd5c9ce9712e6cb2433ddbd2dcf1a6f59263f718b91fdfa521a2200835fe6", kill_on_drop: false }`
[INFO] [stdout] 37acd5c9ce9712e6cb2433ddbd2dcf1a6f59263f718b91fdfa521a2200835fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec63f333f241140db192d3d20051b92eb8638b69fa1c57ba30aa30c75983ac93
[INFO] running `Command { std: "docker" "start" "-a" "ec63f333f241140db192d3d20051b92eb8638b69fa1c57ba30aa30c75983ac93", kill_on_drop: false }`
[INFO] [stderr]     Checking quarkrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/structures/tree.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             value: value,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/structures/graph.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_node(&self, val: T){todo!()}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/structures/graph.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, value: T, parent: T) {todo!()}
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/structures/graph.rs:47:40
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, value: T, parent: T) {todo!()}
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `link_a`
[INFO] [stdout]   --> src/structures/graph.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add_undirected_arc(&self, link_a: T, link_b: T) {todo!()}
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_link_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `link_b`
[INFO] [stdout]   --> src/structures/graph.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add_undirected_arc(&self, link_a: T, link_b: T) {todo!()}
[INFO] [stdout]    |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_link_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/structures/graph.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_directed_arc(&self, from: T, to: T) {todo!()}
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/structures/graph.rs:51:45
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_directed_arc(&self, from: T, to: T) {todo!()}
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/structures/graph.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn contains(&self, value: T) -> bool {todo!()}
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/structures/graph.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn remove(&self, value: T) -> bool {todo!()}
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/structures/graph.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn update(&self, old: T, new: T) -> bool {todo!()}
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/structures/graph.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn update(&self, old: T, new: T) -> bool {todo!()}
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `arcs` are never read
[INFO] [stdout]  --> src/structures/graph.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct GraphNode<T> {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 4 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     arcs: Vec<ThreadData<GraphNode<T>>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_struct`, `add_arc`, and `get_node` are never used
[INFO] [stdout]   --> src/structures/graph.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<T> GraphNode<T> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(val: T) -> GraphNode<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn new_struct(val: T) -> ThreadData<GraphNode<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_arc(&mut self, val: T) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get_node(&self, val: T){todo!()}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entry` is never read
[INFO] [stdout]   --> src/structures/graph.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct UnweightedGraph<T> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 30 |     entry: ThreadData<GraphNode<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_subtree` is never used
[INFO] [stdout]   --> src/structures/tree.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> TreeNode<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn add_subtree(&mut self, tree: TreeNode<T>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/structures/linked_list.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | / impl<T> ListNode<T> 
[INFO] [stdout] 10 | |     where T: Debug {
[INFO] [stdout]    | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |       fn to_string(&self) -> String {format!("{:?}", self.value)}
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/functions/searches.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         return lst;
[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] 22 -         return lst;
[INFO] [stdout] 22 +         lst
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/functions/sorts.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return lst
[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] 16 -     return lst
[INFO] [stdout] 16 +     lst
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/structures/tree.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             value: value,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/functions/sorts.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     return lst
[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] 34 -     return lst
[INFO] [stdout] 34 +     lst
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return count + 1;
[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] 51 -         return count + 1;
[INFO] [stdout] 51 +         count + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         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] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 66 -         return None;
[INFO] [stdout] 66 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/structures/tree.rs:57:15
[INFO] [stdout]    |
[INFO] [stdout] 57 |         while queue.len() > 0 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!queue.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         return out;
[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] 79 -         return out;
[INFO] [stdout] 79 +         out
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         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] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         return None;
[INFO] [stdout] 94 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/structures/tree.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |         while queue.len() > 0 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!queue.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]   --> src/structures/linked_list.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set_next<'a>(&mut self, next: T) {
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/linked_list.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         return self.next.clone();
[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] 32 -         return self.next.clone();
[INFO] [stdout] 32 +         self.next.clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `structures::linked_list::ListNode<T>`
[INFO] [stdout]   --> src/structures/linked_list.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn to_string(&self) -> String {format!("{:?}", self.value)}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `structures::linked_list::ListNode<T>` 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: this boolean expression can be simplified
[INFO] [stdout]   --> src/structures/linked_list.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |         while !select.is_none() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^ help: try: `select.is_some()`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/structures/linked_list.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         return count;
[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] 71 -         return count;
[INFO] [stdout] 71 +         count
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/linked_list.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         return Some(select);
[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] 95 -         return Some(select);
[INFO] [stdout] 95 +         Some(select)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> src/structures/linked_list.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | /         loop {
[INFO] [stdout] 108 | |             match select.clone().read().unwrap().get_next() {
[INFO] [stdout] 109 | |                 Some(next) => {
[INFO] [stdout] 110 | |                     select = next;
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |             };
[INFO] [stdout] 114 | |         }
[INFO] [stdout]     | |_________^ help: try: `while let Some(next) = select.clone().read().unwrap().get_next() { .. }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `structures::linked_list::LinkedList<T>`
[INFO] [stdout]    --> src/structures/linked_list.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 119 | |         let mut select = self.start.clone();
[INFO] [stdout] 120 | |         let mut out = "".to_string();
[INFO] [stdout] 121 | |         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 130 | |        return out;
[INFO] [stdout] 131 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement trait `Display` for type `structures::linked_list::LinkedList<T>` 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]    --> src/structures/linked_list.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |        return out;
[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] 130 -        return out;
[INFO] [stdout] 130 +        out
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/structures/linked_list.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 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] 143 -                 return true;
[INFO] [stdout] 143 +                 true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/structures/linked_list.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         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] 159 -         return true;
[INFO] [stdout] 159 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/structures/graph.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_node(&self, val: T){todo!()}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/structures/graph.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, value: T, parent: T) {todo!()}
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/structures/graph.rs:47:40
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, value: T, parent: T) {todo!()}
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `link_a`
[INFO] [stdout]   --> src/structures/graph.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add_undirected_arc(&self, link_a: T, link_b: T) {todo!()}
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_link_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `link_b`
[INFO] [stdout]   --> src/structures/graph.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add_undirected_arc(&self, link_a: T, link_b: T) {todo!()}
[INFO] [stdout]    |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_link_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/structures/graph.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_directed_arc(&self, from: T, to: T) {todo!()}
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/structures/graph.rs:51:45
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_directed_arc(&self, from: T, to: T) {todo!()}
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/structures/graph.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn contains(&self, value: T) -> bool {todo!()}
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/structures/graph.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn remove(&self, value: T) -> bool {todo!()}
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/structures/graph.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn update(&self, old: T, new: T) -> bool {todo!()}
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/structures/graph.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn update(&self, old: T, new: T) -> bool {todo!()}
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `arcs` are never read
[INFO] [stdout]  --> src/structures/graph.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct GraphNode<T> {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 4 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     arcs: Vec<ThreadData<GraphNode<T>>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_struct`, `add_arc`, and `get_node` are never used
[INFO] [stdout]   --> src/structures/graph.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<T> GraphNode<T> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(val: T) -> GraphNode<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn new_struct(val: T) -> ThreadData<GraphNode<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_arc(&mut self, val: T) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get_node(&self, val: T){todo!()}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entry` is never read
[INFO] [stdout]   --> src/structures/graph.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct UnweightedGraph<T> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 30 |     entry: ThreadData<GraphNode<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_subtree` is never used
[INFO] [stdout]   --> src/structures/tree.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> TreeNode<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn add_subtree(&mut self, tree: TreeNode<T>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/structures/linked_list.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | / impl<T> ListNode<T> 
[INFO] [stdout] 10 | |     where T: Debug {
[INFO] [stdout]    | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |       fn to_string(&self) -> String {format!("{:?}", self.value)}
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/functions/searches.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         return lst;
[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] 22 -         return lst;
[INFO] [stdout] 22 +         lst
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/functions/sorts.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return lst
[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] 16 -     return lst
[INFO] [stdout] 16 +     lst
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/functions/sorts.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     return lst
[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] 34 -     return lst
[INFO] [stdout] 34 +     lst
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return count + 1;
[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] 51 -         return count + 1;
[INFO] [stdout] 51 +         count + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         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] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 66 -         return None;
[INFO] [stdout] 66 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/structures/tree.rs:57:15
[INFO] [stdout]    |
[INFO] [stdout] 57 |         while queue.len() > 0 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!queue.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         return out;
[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] 79 -         return out;
[INFO] [stdout] 79 +         out
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/tree.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         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] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         return None;
[INFO] [stdout] 94 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/structures/tree.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |         while queue.len() > 0 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!queue.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]   --> src/structures/linked_list.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set_next<'a>(&mut self, next: T) {
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/linked_list.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         return self.next.clone();
[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] 32 -         return self.next.clone();
[INFO] [stdout] 32 +         self.next.clone()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `structures::linked_list::ListNode<T>`
[INFO] [stdout]   --> src/structures/linked_list.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn to_string(&self) -> String {format!("{:?}", self.value)}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement trait `Display` for type `structures::linked_list::ListNode<T>` 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: this boolean expression can be simplified
[INFO] [stdout]   --> src/structures/linked_list.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |         while !select.is_none() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^ help: try: `select.is_some()`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/structures/linked_list.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         return count;
[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] 71 -         return count;
[INFO] [stdout] 71 +         count
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/structures/linked_list.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         return Some(select);
[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] 95 -         return Some(select);
[INFO] [stdout] 95 +         Some(select)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]    --> src/structures/linked_list.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | /         loop {
[INFO] [stdout] 108 | |             match select.clone().read().unwrap().get_next() {
[INFO] [stdout] 109 | |                 Some(next) => {
[INFO] [stdout] 110 | |                     select = next;
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |             };
[INFO] [stdout] 114 | |         }
[INFO] [stdout]     | |_________^ help: try: `while let Some(next) = select.clone().read().unwrap().get_next() { .. }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `structures::linked_list::LinkedList<T>`
[INFO] [stdout]    --> src/structures/linked_list.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 119 | |         let mut select = self.start.clone();
[INFO] [stdout] 120 | |         let mut out = "".to_string();
[INFO] [stdout] 121 | |         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 130 | |        return out;
[INFO] [stdout] 131 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement trait `Display` for type `structures::linked_list::LinkedList<T>` 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]    --> src/structures/linked_list.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |        return out;
[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] 130 -        return out;
[INFO] [stdout] 130 +        out
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/structures/linked_list.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 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] 143 -                 return true;
[INFO] [stdout] 143 +                 true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/structures/linked_list.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         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] 159 -         return true;
[INFO] [stdout] 159 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "ec63f333f241140db192d3d20051b92eb8638b69fa1c57ba30aa30c75983ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec63f333f241140db192d3d20051b92eb8638b69fa1c57ba30aa30c75983ac93", kill_on_drop: false }`
[INFO] [stdout] ec63f333f241140db192d3d20051b92eb8638b69fa1c57ba30aa30c75983ac93