Nov 01 07:06:44.263 INFO checking chrisp9/rust_exploration against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 07:06:44.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 07:06:44.812 INFO blam! f7be1eaabd3cafd3b84699086054a9f56b474f450ec4ff1dd0014908b51aed9f
Nov 01 07:06:44.816 INFO running `"docker" "start" "-a" "f7be1eaabd3cafd3b84699086054a9f56b474f450ec4ff1dd0014908b51aed9f"`
Nov 01 07:06:46.187 INFO kablam! usermod: no changes
Nov 01 07:06:46.276 INFO kablam!     Checking rust_exploration v0.1.0 (/source)
Nov 01 07:06:47.074 INFO kablam! warning: unused variable: `num`
Nov 01 07:06:47.075 INFO kablam!    --> src/main.rs:177:45
Nov 01 07:06:47.075 INFO kablam!     |
Nov 01 07:06:47.075 INFO kablam! 177 |     let mut expensive_result = Cacher::new(|num| {
Nov 01 07:06:47.076 INFO kablam!     |                                             ^^^ help: consider using `_num` instead
Nov 01 07:06:47.076 INFO kablam!     |
Nov 01 07:06:47.076 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 07:06:47.077 INFO kablam! 
Nov 01 07:06:47.077 INFO kablam! warning: unused variable: `equal_to_x`
Nov 01 07:06:47.077 INFO kablam!    --> src/main.rs:212:9
Nov 01 07:06:47.077 INFO kablam!     |
Nov 01 07:06:47.078 INFO kablam! 212 |     let equal_to_x = |z : u32| z == x;
Nov 01 07:06:47.078 INFO kablam!     |         ^^^^^^^^^^ help: consider using `_equal_to_x` instead
Nov 01 07:06:47.078 INFO kablam! 
Nov 01 07:06:47.078 INFO kablam! warning: unused variable: `y`
Nov 01 07:06:47.079 INFO kablam!    --> src/main.rs:213:9
Nov 01 07:06:47.079 INFO kablam!     |
Nov 01 07:06:47.079 INFO kablam! 213 |     let y = 4;
Nov 01 07:06:47.079 INFO kablam!     |         ^ help: consider using `_y` instead
Nov 01 07:06:47.079 INFO kablam! 
Nov 01 07:06:47.080 INFO kablam! warning: unused variable: `res`
Nov 01 07:06:47.080 INFO kablam!    --> src/main.rs:229:9
Nov 01 07:06:47.080 INFO kablam!     |
Nov 01 07:06:47.081 INFO kablam! 229 |     let res: Vec<_> = v1.iter().map(|x| x + 1).collect();
Nov 01 07:06:47.081 INFO kablam!     |         ^^^ help: consider using `_res` instead
Nov 01 07:06:47.081 INFO kablam! 
Nov 01 07:06:47.081 INFO kablam! warning: unused variable: `total`
Nov 01 07:06:47.082 INFO kablam!    --> src/main.rs:236:9
Nov 01 07:06:47.082 INFO kablam!     |
Nov 01 07:06:47.082 INFO kablam! 236 |     let total: i32 = v1_iter.sum();
Nov 01 07:06:47.083 INFO kablam!     |         ^^^^^ help: consider using `_total` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `item`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:289:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 289 |     let item = map.get(&key).unwrap();
Nov 01 07:06:47.083 INFO kablam!     |         ^^^^ help: consider using `_item` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `s3`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:296:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 296 |     let s3 = s1 + &s2;
Nov 01 07:06:47.083 INFO kablam!     |         ^^ help: consider using `_s3` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `v`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:306:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 306 |     let v: Vec<i32> = Vec::new();
Nov 01 07:06:47.083 INFO kablam!     |         ^ help: consider using `_v` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `third`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:309:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 309 |     let third: &i32 = &v[2];
Nov 01 07:06:47.083 INFO kablam!     |         ^^^^^ help: consider using `_third` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `some_number`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:372:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 372 |     let some_number = Some(5);
Nov 01 07:06:47.083 INFO kablam!     |         ^^^^^^^^^^^ help: consider using `_some_number` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `some_string`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:373:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 373 |     let some_string = Some("A string");
Nov 01 07:06:47.083 INFO kablam!     |         ^^^^^^^^^^^ help: consider using `_some_string` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.083 INFO kablam! warning: unused variable: `absent_number`
Nov 01 07:06:47.083 INFO kablam!    --> src/main.rs:375:9
Nov 01 07:06:47.083 INFO kablam!     |
Nov 01 07:06:47.083 INFO kablam! 375 |     let absent_number : Option<i32> = None;
Nov 01 07:06:47.083 INFO kablam!     |         ^^^^^^^^^^^^^ help: consider using `_absent_number` instead
Nov 01 07:06:47.083 INFO kablam! 
Nov 01 07:06:47.084 INFO kablam! warning: unused variable: `rect3`
Nov 01 07:06:47.084 INFO kablam!    --> src/main.rs:387:9
Nov 01 07:06:47.084 INFO kablam!     |
Nov 01 07:06:47.084 INFO kablam! 387 |     let rect3 = Rectangle {width: 60, height: 45};
Nov 01 07:06:47.084 INFO kablam!     |         ^^^^^ help: consider using `_rect3` instead
Nov 01 07:06:47.084 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: struct is never constructed: `NewsArticle`
Nov 01 07:06:47.145 INFO kablam!  --> src/news_aggregator/mod.rs:5:5
Nov 01 07:06:47.145 INFO kablam!   |
Nov 01 07:06:47.145 INFO kablam! 5 |     pub struct NewsArticle {
Nov 01 07:06:47.145 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam!   |
Nov 01 07:06:47.145 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: struct is never constructed: `Tweet`
Nov 01 07:06:47.145 INFO kablam!   --> src/news_aggregator/mod.rs:18:5
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 18 |     pub struct Tweet {
Nov 01 07:06:47.145 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: struct is never constructed: `Pair`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:18:1
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 18 | struct Pair<T> {
Nov 01 07:06:47.145 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: method is never used: `new`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:24:5
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 24 |     fn new(x: T, y: T) -> Self {
Nov 01 07:06:47.145 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: method is never used: `cmp_display`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:33:5
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 33 |     fn cmp_display(&self) {
Nov 01 07:06:47.145 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: struct is never constructed: `User`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:42:1
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 42 | struct User {
Nov 01 07:06:47.145 INFO kablam!    | ^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: struct is never constructed: `Rectangle`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:49:1
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 49 | struct Rectangle {
Nov 01 07:06:47.145 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: method is never used: `area`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:55:5
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 55 |     fn area(&self) -> u32 {
Nov 01 07:06:47.145 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: method is never used: `can_hold`
Nov 01 07:06:47.145 INFO kablam!   --> src/main.rs:59:5
Nov 01 07:06:47.145 INFO kablam!    |
Nov 01 07:06:47.145 INFO kablam! 59 |     fn can_hold(&self, other: &Rectangle) -> bool {
Nov 01 07:06:47.145 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.145 INFO kablam! 
Nov 01 07:06:47.145 INFO kablam! warning: method is never used: `square`
Nov 01 07:06:47.146 INFO kablam!   --> src/main.rs:63:5
Nov 01 07:06:47.146 INFO kablam!    |
Nov 01 07:06:47.146 INFO kablam! 63 |     fn square(size: u32) -> Rectangle {
Nov 01 07:06:47.146 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: enum is never used: `IpAddrKind`
Nov 01 07:06:47.146 INFO kablam!   --> src/main.rs:68:1
Nov 01 07:06:47.146 INFO kablam!    |
Nov 01 07:06:47.146 INFO kablam! 68 | enum IpAddrKind {
Nov 01 07:06:47.146 INFO kablam!    | ^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: enum is never used: `UsState`
Nov 01 07:06:47.146 INFO kablam!   --> src/main.rs:74:1
Nov 01 07:06:47.146 INFO kablam!    |
Nov 01 07:06:47.146 INFO kablam! 74 | enum UsState {
Nov 01 07:06:47.146 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: enum is never used: `Coin`
Nov 01 07:06:47.146 INFO kablam!   --> src/main.rs:80:1
Nov 01 07:06:47.146 INFO kablam!    |
Nov 01 07:06:47.146 INFO kablam! 80 | enum Coin {
Nov 01 07:06:47.146 INFO kablam!    | ^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: enum is never used: `Message`
Nov 01 07:06:47.146 INFO kablam!   --> src/main.rs:87:1
Nov 01 07:06:47.146 INFO kablam!    |
Nov 01 07:06:47.146 INFO kablam! 87 | enum Message {
Nov 01 07:06:47.146 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: method is never used: `call`
Nov 01 07:06:47.146 INFO kablam!   --> src/main.rs:95:5
Nov 01 07:06:47.146 INFO kablam!    |
Nov 01 07:06:47.146 INFO kablam! 95 |     fn call(&self) {
Nov 01 07:06:47.146 INFO kablam!    |     ^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `largest`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:100:2
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 100 |  fn largest<T : PartialOrd>(list: &[T]) -> &T {
Nov 01 07:06:47.146 INFO kablam!     |  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: struct is never constructed: `Point`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:112:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 112 | struct Point<T> {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `shoes_in_my_size`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:123:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 123 | fn shoes_in_my_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `simulated_expensive_calculation`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:204:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 204 | fn simulated_expensive_calculation(intensity: u32) -> u32 {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `closure_capturing_context`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:210:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 210 | fn closure_capturing_context() {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `iterators`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:217:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 217 | fn iterators() {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `iterator_map`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:226:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 226 | fn iterator_map() {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `iterator_sum`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:232:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 232 | fn iterator_sum() {
Nov 01 07:06:47.146 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.146 INFO kablam! 
Nov 01 07:06:47.146 INFO kablam! warning: function is never used: `news_aggregate`
Nov 01 07:06:47.146 INFO kablam!    --> src/main.rs:269:1
Nov 01 07:06:47.146 INFO kablam!     |
Nov 01 07:06:47.146 INFO kablam! 269 | fn news_aggregate() {
Nov 01 07:06:47.147 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.147 INFO kablam! 
Nov 01 07:06:47.164 INFO kablam! warning: function is never used: `vector`
Nov 01 07:06:47.164 INFO kablam!    --> src/main.rs:305:1
Nov 01 07:06:47.164 INFO kablam!     |
Nov 01 07:06:47.164 INFO kablam! 305 | fn vector() {
Nov 01 07:06:47.164 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.164 INFO kablam! 
Nov 01 07:06:47.164 INFO kablam! warning: struct is never constructed: `Counter`
Nov 01 07:06:47.164 INFO kablam!    --> src/main.rs:325:1
Nov 01 07:06:47.164 INFO kablam!     |
Nov 01 07:06:47.164 INFO kablam! 325 | struct Counter {
Nov 01 07:06:47.164 INFO kablam!     | ^^^^^^^^^^^^^^
Nov 01 07:06:47.164 INFO kablam! 
Nov 01 07:06:47.164 INFO kablam! warning: method is never used: `new`
Nov 01 07:06:47.164 INFO kablam!    --> src/main.rs:330:5
Nov 01 07:06:47.164 INFO kablam!     |
Nov 01 07:06:47.164 INFO kablam! 330 |     fn new() -> Counter {
Nov 01 07:06:47.164 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.164 INFO kablam! 
Nov 01 07:06:47.164 INFO kablam! warning: function is never used: `if_let`
Nov 01 07:06:47.164 INFO kablam!    --> src/main.rs:351:1
Nov 01 07:06:47.164 INFO kablam!     |
Nov 01 07:06:47.164 INFO kablam! 351 | fn if_let() {
Nov 01 07:06:47.164 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.164 INFO kablam! 
Nov 01 07:06:47.164 INFO kablam! warning: function is never used: `value_in_cents`
Nov 01 07:06:47.164 INFO kablam!    --> src/main.rs:359:1
Nov 01 07:06:47.164 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 359 | fn value_in_cents(coin : Coin) -> u32 {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `option`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:371:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 371 | fn option() {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `messages`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:378:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 378 | fn messages() {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `rectangles`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:383:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 383 | fn rectangles() {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `build_user`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:395:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 395 | fn build_user(email: String, username: String) -> User {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `coins`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:404:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 404 | fn coins() {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `slices`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:409:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 409 | fn slices() {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `takes_ownership`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:419:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 419 | fn takes_ownership(some_string: String) {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `makes_copy`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:423:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 423 | fn makes_copy(some_integer: i32) {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `first_word`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:427:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 427 | fn first_word(s: &String) -> usize {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: function is never used: `guess_number`
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:440:1
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 440 | fn guess_number() {
Nov 01 07:06:47.165 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.165 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 07:06:47.165 INFO kablam!    --> src/main.rs:245:5
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam! 245 |     read_username_from_file();
Nov 01 07:06:47.165 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.165 INFO kablam!     |
Nov 01 07:06:47.165 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 07:06:47.165 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 07:06:47.165 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `num`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:177:45
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 177 |     let mut expensive_result = Cacher::new(|num| {
Nov 01 07:06:47.337 INFO kablam!     |                                             ^^^ help: consider using `_num` instead
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `equal_to_x`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:212:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 212 |     let equal_to_x = |z : u32| z == x;
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^^^^^^ help: consider using `_equal_to_x` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `y`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:213:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 213 |     let y = 4;
Nov 01 07:06:47.337 INFO kablam!     |         ^ help: consider using `_y` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `res`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:229:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 229 |     let res: Vec<_> = v1.iter().map(|x| x + 1).collect();
Nov 01 07:06:47.337 INFO kablam!     |         ^^^ help: consider using `_res` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `total`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:236:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 236 |     let total: i32 = v1_iter.sum();
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^ help: consider using `_total` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `item`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:289:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 289 |     let item = map.get(&key).unwrap();
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^ help: consider using `_item` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `s3`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:296:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 296 |     let s3 = s1 + &s2;
Nov 01 07:06:47.337 INFO kablam!     |         ^^ help: consider using `_s3` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `v`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:306:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 306 |     let v: Vec<i32> = Vec::new();
Nov 01 07:06:47.337 INFO kablam!     |         ^ help: consider using `_v` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `third`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:309:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 309 |     let third: &i32 = &v[2];
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^ help: consider using `_third` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `some_number`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:372:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 372 |     let some_number = Some(5);
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^^^^^^^ help: consider using `_some_number` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `some_string`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:373:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 373 |     let some_string = Some("A string");
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^^^^^^^ help: consider using `_some_string` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `absent_number`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:375:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 375 |     let absent_number : Option<i32> = None;
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^^^^^^^^^ help: consider using `_absent_number` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.337 INFO kablam! warning: unused variable: `rect3`
Nov 01 07:06:47.337 INFO kablam!    --> src/main.rs:387:9
Nov 01 07:06:47.337 INFO kablam!     |
Nov 01 07:06:47.337 INFO kablam! 387 |     let rect3 = Rectangle {width: 60, height: 45};
Nov 01 07:06:47.337 INFO kablam!     |         ^^^^^ help: consider using `_rect3` instead
Nov 01 07:06:47.337 INFO kablam! 
Nov 01 07:06:47.387 INFO kablam! warning: struct is never constructed: `NewsArticle`
Nov 01 07:06:47.387 INFO kablam!  --> src/news_aggregator/mod.rs:5:5
Nov 01 07:06:47.387 INFO kablam!   |
Nov 01 07:06:47.387 INFO kablam! 5 |     pub struct NewsArticle {
Nov 01 07:06:47.387 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.387 INFO kablam!   |
Nov 01 07:06:47.387 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 07:06:47.387 INFO kablam! 
Nov 01 07:06:47.389 INFO kablam! warning: struct is never constructed: `Tweet`
Nov 01 07:06:47.389 INFO kablam!   --> src/news_aggregator/mod.rs:18:5
Nov 01 07:06:47.389 INFO kablam!    |
Nov 01 07:06:47.389 INFO kablam! 18 |     pub struct Tweet {
Nov 01 07:06:47.389 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 07:06:47.389 INFO kablam! 
Nov 01 07:06:47.389 INFO kablam! warning: struct is never constructed: `Pair`
Nov 01 07:06:47.389 INFO kablam!   --> src/main.rs:18:1
Nov 01 07:06:47.389 INFO kablam!    |
Nov 01 07:06:47.389 INFO kablam! 18 | struct Pair<T> {
Nov 01 07:06:47.389 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 01 07:06:47.389 INFO kablam! 
Nov 01 07:06:47.389 INFO kablam! warning: method is never used: `new`
Nov 01 07:06:47.389 INFO kablam!   --> src/main.rs:24:5
Nov 01 07:06:47.389 INFO kablam!    |
Nov 01 07:06:47.389 INFO kablam! 24 |     fn new(x: T, y: T) -> Self {
Nov 01 07:06:47.389 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.389 INFO kablam! 
Nov 01 07:06:47.389 INFO kablam! warning: method is never used: `cmp_display`
Nov 01 07:06:47.389 INFO kablam!   --> src/main.rs:33:5
Nov 01 07:06:47.389 INFO kablam!    |
Nov 01 07:06:47.389 INFO kablam! 33 |     fn cmp_display(&self) {
Nov 01 07:06:47.389 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.389 INFO kablam! 
Nov 01 07:06:47.389 INFO kablam! warning: struct is never constructed: `User`
Nov 01 07:06:47.389 INFO kablam!   --> src/main.rs:42:1
Nov 01 07:06:47.389 INFO kablam!    |
Nov 01 07:06:47.389 INFO kablam! 42 | struct User {
Nov 01 07:06:47.390 INFO kablam!    | ^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: struct is never constructed: `Rectangle`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:49:1
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 49 | struct Rectangle {
Nov 01 07:06:47.390 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: method is never used: `area`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:55:5
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 55 |     fn area(&self) -> u32 {
Nov 01 07:06:47.390 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: method is never used: `can_hold`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:59:5
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 59 |     fn can_hold(&self, other: &Rectangle) -> bool {
Nov 01 07:06:47.390 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: method is never used: `square`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:63:5
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 63 |     fn square(size: u32) -> Rectangle {
Nov 01 07:06:47.390 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: enum is never used: `IpAddrKind`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:68:1
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 68 | enum IpAddrKind {
Nov 01 07:06:47.390 INFO kablam!    | ^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: enum is never used: `UsState`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:74:1
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 74 | enum UsState {
Nov 01 07:06:47.390 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: enum is never used: `Coin`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:80:1
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 80 | enum Coin {
Nov 01 07:06:47.390 INFO kablam!    | ^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: enum is never used: `Message`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:87:1
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 87 | enum Message {
Nov 01 07:06:47.390 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: method is never used: `call`
Nov 01 07:06:47.390 INFO kablam!   --> src/main.rs:95:5
Nov 01 07:06:47.390 INFO kablam!    |
Nov 01 07:06:47.390 INFO kablam! 95 |     fn call(&self) {
Nov 01 07:06:47.390 INFO kablam!    |     ^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: function is never used: `largest`
Nov 01 07:06:47.390 INFO kablam!    --> src/main.rs:100:2
Nov 01 07:06:47.390 INFO kablam!     |
Nov 01 07:06:47.390 INFO kablam! 100 |  fn largest<T : PartialOrd>(list: &[T]) -> &T {
Nov 01 07:06:47.390 INFO kablam!     |  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: struct is never constructed: `Point`
Nov 01 07:06:47.390 INFO kablam!    --> src/main.rs:112:1
Nov 01 07:06:47.390 INFO kablam!     |
Nov 01 07:06:47.390 INFO kablam! 112 | struct Point<T> {
Nov 01 07:06:47.390 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: function is never used: `simulated_expensive_calculation`
Nov 01 07:06:47.390 INFO kablam!    --> src/main.rs:204:1
Nov 01 07:06:47.390 INFO kablam!     |
Nov 01 07:06:47.390 INFO kablam! 204 | fn simulated_expensive_calculation(intensity: u32) -> u32 {
Nov 01 07:06:47.390 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: function is never used: `closure_capturing_context`
Nov 01 07:06:47.390 INFO kablam!    --> src/main.rs:210:1
Nov 01 07:06:47.390 INFO kablam!     |
Nov 01 07:06:47.390 INFO kablam! 210 | fn closure_capturing_context() {
Nov 01 07:06:47.390 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.390 INFO kablam! 
Nov 01 07:06:47.390 INFO kablam! warning: function is never used: `iterators`
Nov 01 07:06:47.390 INFO kablam!    --> src/main.rs:217:1
Nov 01 07:06:47.390 INFO kablam!     |
Nov 01 07:06:47.390 INFO kablam! 217 | fn iterators() {
Nov 01 07:06:47.390 INFO kablam!     | ^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `iterator_map`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:226:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 226 | fn iterator_map() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `iterator_sum`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:232:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 232 | fn iterator_sum() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `news_aggregate`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:269:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 269 | fn news_aggregate() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `vector`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:305:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 305 | fn vector() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: struct is never constructed: `Counter`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:325:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 325 | struct Counter {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: method is never used: `new`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:330:5
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 330 |     fn new() -> Counter {
Nov 01 07:06:47.391 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `if_let`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:351:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 351 | fn if_let() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `value_in_cents`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:359:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 359 | fn value_in_cents(coin : Coin) -> u32 {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `option`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:371:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 371 | fn option() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `messages`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:378:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 378 | fn messages() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `rectangles`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:383:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 383 | fn rectangles() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `build_user`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:395:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 395 | fn build_user(email: String, username: String) -> User {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `coins`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:404:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 404 | fn coins() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `slices`
Nov 01 07:06:47.391 INFO kablam!    --> src/main.rs:409:1
Nov 01 07:06:47.391 INFO kablam!     |
Nov 01 07:06:47.391 INFO kablam! 409 | fn slices() {
Nov 01 07:06:47.391 INFO kablam!     | ^^^^^^^^^^^
Nov 01 07:06:47.391 INFO kablam! 
Nov 01 07:06:47.391 INFO kablam! warning: function is never used: `takes_ownership`
Nov 01 07:06:47.392 INFO kablam!    --> src/main.rs:419:1
Nov 01 07:06:47.392 INFO kablam!     |
Nov 01 07:06:47.392 INFO kablam! 419 | fn takes_ownership(some_string: String) {
Nov 01 07:06:47.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.392 INFO kablam! 
Nov 01 07:06:47.392 INFO kablam! warning: function is never used: `makes_copy`
Nov 01 07:06:47.392 INFO kablam!    --> src/main.rs:423:1
Nov 01 07:06:47.392 INFO kablam!     |
Nov 01 07:06:47.392 INFO kablam! 423 | fn makes_copy(some_integer: i32) {
Nov 01 07:06:47.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.392 INFO kablam! 
Nov 01 07:06:47.392 INFO kablam! warning: function is never used: `first_word`
Nov 01 07:06:47.392 INFO kablam!    --> src/main.rs:427:1
Nov 01 07:06:47.392 INFO kablam!     |
Nov 01 07:06:47.392 INFO kablam! 427 | fn first_word(s: &String) -> usize {
Nov 01 07:06:47.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.392 INFO kablam! 
Nov 01 07:06:47.392 INFO kablam! warning: function is never used: `guess_number`
Nov 01 07:06:47.392 INFO kablam!    --> src/main.rs:440:1
Nov 01 07:06:47.392 INFO kablam!     |
Nov 01 07:06:47.392 INFO kablam! 440 | fn guess_number() {
Nov 01 07:06:47.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.392 INFO kablam! 
Nov 01 07:06:47.396 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 07:06:47.396 INFO kablam!    --> src/main.rs:245:5
Nov 01 07:06:47.396 INFO kablam!     |
Nov 01 07:06:47.396 INFO kablam! 245 |     read_username_from_file();
Nov 01 07:06:47.396 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 07:06:47.396 INFO kablam!     |
Nov 01 07:06:47.396 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 07:06:47.396 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 07:06:47.396 INFO kablam! 
Nov 01 07:06:47.442 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Nov 01 07:06:47.448 INFO kablam! su: No module specific data is present
Nov 01 07:06:48.138 INFO running `"docker" "rm" "-f" "f7be1eaabd3cafd3b84699086054a9f56b474f450ec4ff1dd0014908b51aed9f"`
Nov 01 07:06:48.576 INFO blam! f7be1eaabd3cafd3b84699086054a9f56b474f450ec4ff1dd0014908b51aed9f