[INFO] cloning repository https://github.com/iMiebaka/intro-to-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iMiebaka/intro-to-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiMiebaka%2Fintro-to-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiMiebaka%2Fintro-to-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c26a5516bdab7f35afd8d37ba5be14ae876cd15
[INFO] linting iMiebaka/intro-to-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiMiebaka%2Fintro-to-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iMiebaka/intro-to-rust
[INFO] finished tweaking git repo https://github.com/iMiebaka/intro-to-rust
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[INFO] validating manifest of git repo https://github.com/iMiebaka/intro-to-rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iMiebaka/intro-to-rust 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.3.1
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[INFO] running `Command { std: "docker" "inspect" "186ffc83d88911d9d42539c2ad790e98d854da8427d08b95de4035dda74194f2", kill_on_drop: false }`
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[INFO] [stdout] bd9e6d28ee02bdddbf1be1442ef4121825ba19360412477e6e52606248e65fb8
[INFO] running `Command { std: "docker" "start" "-a" "bd9e6d28ee02bdddbf1be1442ef4121825ba19360412477e6e52606248e65fb8", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.3.1
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/basics/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn main(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_expresso` is never used
[INFO] [stdout]   --> src/basics/variables.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn string_expresso() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_mutation` is never used
[INFO] [stdout]   --> src/basics/variables.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn var_mutation() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literal_operators` is never used
[INFO] [stdout]   --> src/basics/variables.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn literal_operators() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tups` is never used
[INFO] [stdout]   --> src/basics/variables.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn tups() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `analyze_slice` is never used
[INFO] [stdout]    --> src/basics/variables.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn analyze_slice(slice: &[u32]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrays` is never used
[INFO] [stdout]    --> src/basics/variables.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn arrays() {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]  --> src/basics/custom_type.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Name {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WebEvent` is never used
[INFO] [stdout]  --> src/basics/custom_type.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum WebEvent {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `the_struct` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn the_struct(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_inspect` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn enum_inspect(event: WebEvent) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `the_enum` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn the_enum() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VeryVerboseEnumOfThingsToDoWithNumbers` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum VeryVerboseEnumOfThingsToDoWithNumbers {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl VeryVerboseEnumOfThingsToDoWithNumbers {
[INFO] [stdout]    | ------------------------------------------- method in this implementation
[INFO] [stdout] 74 |     fn run(&self, x: i32, y: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/loops/while_snip.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn main(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: items after a test module
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#items_after_test_module
[INFO] [stdout]    = note: `#[warn(clippy::items_after_test_module)]` on by default
[INFO] [stdout]    = help: move the items to before the test module was defined
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/basics/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn main(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greeting` is never used
[INFO] [stdout]  --> src/basics/variables.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn greeting() -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]   --> src/basics/variables.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn greet(name: &str) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_expresso` is never used
[INFO] [stdout]   --> src/basics/variables.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn string_expresso() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `let_sum_number` is never used
[INFO] [stdout]   --> src/basics/variables.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn let_sum_number(a: i8, b: i8) -> i8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_mutation` is never used
[INFO] [stdout]   --> src/basics/variables.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn var_mutation() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literal_operators` is never used
[INFO] [stdout]   --> src/basics/variables.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn literal_operators() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tups` is never used
[INFO] [stdout]   --> src/basics/variables.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn tups() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `analyze_slice` is never used
[INFO] [stdout]    --> src/basics/variables.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn analyze_slice(slice: &[u32]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrays` is never used
[INFO] [stdout]    --> src/basics/variables.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn arrays() {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]  --> src/basics/custom_type.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Name {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WebEvent` is never used
[INFO] [stdout]  --> src/basics/custom_type.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum WebEvent {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `the_struct` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn the_struct(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_inspect` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn enum_inspect(event: WebEvent) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `the_enum` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn the_enum() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VeryVerboseEnumOfThingsToDoWithNumbers` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum VeryVerboseEnumOfThingsToDoWithNumbers {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl VeryVerboseEnumOfThingsToDoWithNumbers {
[INFO] [stdout]    | ------------------------------------------- method in this implementation
[INFO] [stdout] 74 |     fn run(&self, x: i32, y: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/basics/custom_type.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_statement` is never used
[INFO] [stdout]  --> src/basics/control_flow.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn if_statement(number: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_expression` is never used
[INFO] [stdout]  --> src/basics/control_flow.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn if_else_expression() -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/basics/variables.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 |     println!("true AND false is {}", true && false);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ help: try: `false`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/basics/variables.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 80 |     println!("true OR false is {}", true || false);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: try: `true`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/basics/variables.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("NOT true is {}", !true);
[INFO] [stdout]    |                                ^^^^^ help: try: `false`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/loops/while_snip.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn main(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/basics/variables.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 |     println!("true AND false is {}", true && false);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ help: try: `false`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/basics/variables.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 80 |     println!("true OR false is {}", true || false);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: try: `true`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/basics/variables.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("NOT true is {}", !true);
[INFO] [stdout]    |                                ^^^^^ help: try: `false`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/basics/control_flow.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     let message = if number < 5 {
[INFO] [stdout] 12 | |         "smaller than 5"
[INFO] [stdout] 13 | |     } else {
[INFO] [stdout] 14 | |         "greater than or equal to 5"
[INFO] [stdout] 15 | |     };
[INFO] [stdout]    | |______- unnecessary `let` binding
[INFO] [stdout] 16 |       message
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 11 ~     
[INFO] [stdout] 12 ~     (if number < 5 {
[INFO] [stdout] 13 +         "smaller than 5"
[INFO] [stdout] 14 +     } else {
[INFO] [stdout] 15 +         "greater than or equal to 5"
[INFO] [stdout] 16 +     }) as _
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/basics/control_flow.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     let message = if number < 5 {
[INFO] [stdout] 12 | |         "smaller than 5"
[INFO] [stdout] 13 | |     } else {
[INFO] [stdout] 14 | |         "greater than or equal to 5"
[INFO] [stdout] 15 | |     };
[INFO] [stdout]    | |______- unnecessary `let` binding
[INFO] [stdout] 16 |       message
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 11 ~     
[INFO] [stdout] 12 ~     (if number < 5 {
[INFO] [stdout] 13 +         "smaller than 5"
[INFO] [stdout] 14 +     } else {
[INFO] [stdout] 15 +         "greater than or equal to 5"
[INFO] [stdout] 16 +     }) as _
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "bd9e6d28ee02bdddbf1be1442ef4121825ba19360412477e6e52606248e65fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9e6d28ee02bdddbf1be1442ef4121825ba19360412477e6e52606248e65fb8", kill_on_drop: false }`
[INFO] [stdout] bd9e6d28ee02bdddbf1be1442ef4121825ba19360412477e6e52606248e65fb8