Oct 21 21:21:56.278 INFO checking ICimpoes/rusty-train against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 21:21:56.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 21 21:21:56.600 INFO blam! 22a36c17cfd0732483a32d2dfcf25dd1aee062db52a550b3f04f602d4568ad57
Oct 21 21:21:56.600 INFO running `"docker" "start" "-a" "22a36c17cfd0732483a32d2dfcf25dd1aee062db52a550b3f04f602d4568ad57"`
Oct 21 21:21:57.140 INFO kablam! usermod: no changes
Oct 21 21:21:57.208 INFO kablam!     Checking rusty-train v0.1.0 (/source)
Oct 21 21:21:57.760 INFO kablam! warning: function is never used: `middle_function`
Oct 21 21:21:57.782 INFO kablam!  --> src/communicator/lib/mod.rs:6:5
Oct 21 21:21:57.782 INFO kablam!   |
Oct 21 21:21:57.782 INFO kablam! 6 |     pub fn middle_function() {
Oct 21 21:21:57.783 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:57.783 INFO kablam!   |
Oct 21 21:21:57.783 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 21:21:57.783 INFO kablam! 
Oct 21 21:21:57.783 INFO kablam! warning: function is never used: `middle_secret_function`
Oct 21 21:21:57.783 INFO kablam!   --> src/communicator/lib/mod.rs:10:5
Oct 21 21:21:57.783 INFO kablam!    |
Oct 21 21:21:57.783 INFO kablam! 10 |     fn middle_secret_function() {
Oct 21 21:21:57.783 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:57.783 INFO kablam! 
Oct 21 21:21:57.783 INFO kablam! warning: function is never used: `inner_function`
Oct 21 21:21:57.783 INFO kablam!   --> src/communicator/lib/mod.rs:17:9
Oct 21 21:21:57.783 INFO kablam!    |
Oct 21 21:21:57.783 INFO kablam! 17 |         pub fn inner_function() {}
Oct 21 21:21:57.783 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:57.783 INFO kablam! 
Oct 21 21:21:57.783 INFO kablam! warning: function is never used: `secret_function`
Oct 21 21:21:57.783 INFO kablam!   --> src/communicator/lib/mod.rs:19:9
Oct 21 21:21:57.783 INFO kablam!    |
Oct 21 21:21:57.783 INFO kablam! 19 |         fn secret_function() {
Oct 21 21:21:57.783 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:57.783 INFO kablam! 
Oct 21 21:21:57.783 INFO kablam! warning: function is never used: `inner_function`
Oct 21 21:21:57.783 INFO kablam!   --> src/communicator/lib/mod.rs:26:13
Oct 21 21:21:57.784 INFO kablam!    |
Oct 21 21:21:57.784 INFO kablam! 26 |             pub fn inner_function() {
Oct 21 21:21:57.784 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:57.784 INFO kablam! 
Oct 21 21:21:57.784 INFO kablam! warning: function is never used: `try_me`
Oct 21 21:21:57.784 INFO kablam!   --> src/communicator/lib/mod.rs:56:1
Oct 21 21:21:57.784 INFO kablam!    |
Oct 21 21:21:57.784 INFO kablam! 56 | fn try_me() {
Oct 21 21:21:57.784 INFO kablam!    | ^^^^^^^^^^^
Oct 21 21:21:57.784 INFO kablam! 
Oct 21 21:21:57.785 INFO kablam! warning: function is never used: `prints_and_returns_10`
Oct 21 21:21:57.785 INFO kablam!   --> src/communicator/lib/mod.rs:89:1
Oct 21 21:21:57.785 INFO kablam!    |
Oct 21 21:21:57.785 INFO kablam! 89 | fn prints_and_returns_10(a: i32) -> i32 {
Oct 21 21:21:57.785 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:57.785 INFO kablam! 
Oct 21 21:21:58.252 INFO kablam! warning: function is never used: `middle_function`
Oct 21 21:21:58.252 INFO kablam!  --> src/communicator/lib/mod.rs:6:5
Oct 21 21:21:58.252 INFO kablam!   |
Oct 21 21:21:58.252 INFO kablam! 6 |     pub fn middle_function() {
Oct 21 21:21:58.252 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:58.252 INFO kablam!   |
Oct 21 21:21:58.252 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 21:21:58.252 INFO kablam! 
Oct 21 21:21:58.252 INFO kablam! warning: function is never used: `middle_secret_function`
Oct 21 21:21:58.252 INFO kablam!   --> src/communicator/lib/mod.rs:10:5
Oct 21 21:21:58.252 INFO kablam!    |
Oct 21 21:21:58.252 INFO kablam! 10 |     fn middle_secret_function() {
Oct 21 21:21:58.252 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:58.252 INFO kablam! 
Oct 21 21:21:58.252 INFO kablam! warning: function is never used: `inner_function`
Oct 21 21:21:58.252 INFO kablam!   --> src/communicator/lib/mod.rs:17:9
Oct 21 21:21:58.252 INFO kablam!    |
Oct 21 21:21:58.252 INFO kablam! 17 |         pub fn inner_function() {}
Oct 21 21:21:58.252 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:58.252 INFO kablam! 
Oct 21 21:21:58.253 INFO kablam! warning: function is never used: `secret_function`
Oct 21 21:21:58.253 INFO kablam!   --> src/communicator/lib/mod.rs:19:9
Oct 21 21:21:58.253 INFO kablam!    |
Oct 21 21:21:58.253 INFO kablam! 19 |         fn secret_function() {
Oct 21 21:21:58.253 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:58.253 INFO kablam! 
Oct 21 21:21:58.253 INFO kablam! warning: function is never used: `inner_function`
Oct 21 21:21:58.253 INFO kablam!   --> src/communicator/lib/mod.rs:26:13
Oct 21 21:21:58.253 INFO kablam!    |
Oct 21 21:21:58.253 INFO kablam! 26 |             pub fn inner_function() {
Oct 21 21:21:58.253 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:58.253 INFO kablam! 
Oct 21 21:21:58.253 INFO kablam! warning: function is never used: `try_me`
Oct 21 21:21:58.253 INFO kablam!   --> src/communicator/lib/mod.rs:56:1
Oct 21 21:21:58.253 INFO kablam!    |
Oct 21 21:21:58.253 INFO kablam! 56 | fn try_me() {
Oct 21 21:21:58.253 INFO kablam!    | ^^^^^^^^^^^
Oct 21 21:21:58.253 INFO kablam! 
Oct 21 21:21:58.877 INFO kablam! warning: function is never used: `max_ch`
Oct 21 21:21:58.877 INFO kablam!   --> src/generics/bin/main.rs:51:1
Oct 21 21:21:58.878 INFO kablam!    |
Oct 21 21:21:58.878 INFO kablam! 51 | fn max_ch(list: &[char]) -> Option<char> {
Oct 21 21:21:58.878 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:58.878 INFO kablam!    |
Oct 21 21:21:58.878 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:21:58.878 INFO kablam! 
Oct 21 21:21:59.024 INFO kablam! warning: unused variable: `ip_type`
Oct 21 21:21:59.024 INFO kablam!  --> src/chapter6/bin/main.rs:1:10
Oct 21 21:21:59.024 INFO kablam!   |
Oct 21 21:21:59.024 INFO kablam! 1 | fn route(ip_type: IpAddrKind) { }
Oct 21 21:21:59.024 INFO kablam!   |          ^^^^^^^ help: consider using `_ip_type` instead
Oct 21 21:21:59.024 INFO kablam!   |
Oct 21 21:21:59.024 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:21:59.024 INFO kablam! 
Oct 21 21:21:59.024 INFO kablam! warning: unused variable: `x`
Oct 21 21:21:59.024 INFO kablam!   --> src/chapter6/bin/main.rs:32:35
Oct 21 21:21:59.024 INFO kablam!    |
Oct 21 21:21:59.024 INFO kablam! 32 |     let x = some_string.and_then(|x: &str| Some("sf"));
Oct 21 21:21:59.024 INFO kablam!    |                                   ^ help: consider using `_x` instead
Oct 21 21:21:59.024 INFO kablam! 
Oct 21 21:21:59.024 INFO kablam! warning: unused variable: `six`
Oct 21 21:21:59.025 INFO kablam!   --> src/chapter6/bin/main.rs:11:9
Oct 21 21:21:59.025 INFO kablam!    |
Oct 21 21:21:59.025 INFO kablam! 11 |     let six = IpAddrKind::V6;
Oct 21 21:21:59.025 INFO kablam!    |         ^^^ help: consider using `_six` instead
Oct 21 21:21:59.025 INFO kablam! 
Oct 21 21:21:59.025 INFO kablam! warning: unused variable: `home`
Oct 21 21:21:59.025 INFO kablam!   --> src/chapter6/bin/main.rs:18:9
Oct 21 21:21:59.025 INFO kablam!    |
Oct 21 21:21:59.025 INFO kablam! 18 |     let home = IpAddr::V4(String::from("127.0.0.1"));
Oct 21 21:21:59.025 INFO kablam!    |         ^^^^ help: consider using `_home` instead
Oct 21 21:21:59.025 INFO kablam! 
Oct 21 21:21:59.025 INFO kablam! warning: unused variable: `loopback`
Oct 21 21:21:59.025 INFO kablam!   --> src/chapter6/bin/main.rs:19:9
Oct 21 21:21:59.025 INFO kablam!    |
Oct 21 21:21:59.025 INFO kablam! 19 |     let loopback = IpAddr::V6(String::from("::1"));
Oct 21 21:21:59.025 INFO kablam!    |         ^^^^^^^^ help: consider using `_loopback` instead
Oct 21 21:21:59.025 INFO kablam! 
Oct 21 21:21:59.026 INFO kablam! warning: unused variable: `home`
Oct 21 21:21:59.026 INFO kablam!   --> src/chapter6/bin/main.rs:21:9
Oct 21 21:21:59.026 INFO kablam!    |
Oct 21 21:21:59.026 INFO kablam! 21 |     let home = IpAddr2::V4(127, 0, 0, 1);
Oct 21 21:21:59.026 INFO kablam!    |         ^^^^ help: consider using `_home` instead
Oct 21 21:21:59.026 INFO kablam! 
Oct 21 21:21:59.026 INFO kablam! warning: unused variable: `loopback`
Oct 21 21:21:59.026 INFO kablam!   --> src/chapter6/bin/main.rs:22:9
Oct 21 21:21:59.026 INFO kablam!    |
Oct 21 21:21:59.026 INFO kablam! 22 |     let loopback = IpAddr2::V6(String::from("::1"));
Oct 21 21:21:59.026 INFO kablam!    |         ^^^^^^^^ help: consider using `_loopback` instead
Oct 21 21:21:59.026 INFO kablam! 
Oct 21 21:21:59.026 INFO kablam! warning: variable `count` is assigned to, but never used
Oct 21 21:21:59.026 INFO kablam!   --> src/chapter6/bin/main.rs:72:13
Oct 21 21:21:59.026 INFO kablam!    |
Oct 21 21:21:59.026 INFO kablam! 72 |     let mut count = 0;
Oct 21 21:21:59.026 INFO kablam!    |             ^^^^^
Oct 21 21:21:59.026 INFO kablam!    |
Oct 21 21:21:59.027 INFO kablam!    = note: consider using `_count` instead
Oct 21 21:21:59.027 INFO kablam! 
Oct 21 21:21:59.027 INFO kablam! warning: value assigned to `count` is never read
Oct 21 21:21:59.027 INFO kablam!   --> src/chapter6/bin/main.rs:76:9
Oct 21 21:21:59.027 INFO kablam!    |
Oct 21 21:21:59.027 INFO kablam! 76 |         count += 1;
Oct 21 21:21:59.027 INFO kablam!    |         ^^^^^
Oct 21 21:21:59.027 INFO kablam!    |
Oct 21 21:21:59.027 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 21 21:21:59.027 INFO kablam! 
Oct 21 21:21:59.027 INFO kablam! warning: variant is never constructed: `Quit`
Oct 21 21:21:59.027 INFO kablam!   --> src/chapter6/bin/main.rs:94:5
Oct 21 21:21:59.027 INFO kablam!    |
Oct 21 21:21:59.027 INFO kablam! 94 |     Quit,
Oct 21 21:21:59.027 INFO kablam!    |     ^^^^
Oct 21 21:21:59.027 INFO kablam!    |
Oct 21 21:21:59.027 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:21:59.027 INFO kablam! 
Oct 21 21:21:59.027 INFO kablam! warning: variant is never constructed: `Move`
Oct 21 21:21:59.027 INFO kablam!   --> src/chapter6/bin/main.rs:95:5
Oct 21 21:21:59.028 INFO kablam!    |
Oct 21 21:21:59.028 INFO kablam! 95 |     Move { x: i32, y: i32 },
Oct 21 21:21:59.028 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.028 INFO kablam! 
Oct 21 21:21:59.028 INFO kablam! warning: variant is never constructed: `ChangeColor`
Oct 21 21:21:59.028 INFO kablam!   --> src/chapter6/bin/main.rs:97:5
Oct 21 21:21:59.028 INFO kablam!    |
Oct 21 21:21:59.028 INFO kablam! 97 |     ChangeColor(i32, i32, i32),
Oct 21 21:21:59.028 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.028 INFO kablam! 
Oct 21 21:21:59.028 INFO kablam! warning: variant is never constructed: `Alaska`
Oct 21 21:21:59.028 INFO kablam!    --> src/chapter6/bin/main.rs:115:5
Oct 21 21:21:59.028 INFO kablam!     |
Oct 21 21:21:59.028 INFO kablam! 115 |     Alaska,
Oct 21 21:21:59.028 INFO kablam!     |     ^^^^^^
Oct 21 21:21:59.028 INFO kablam! 
Oct 21 21:21:59.028 INFO kablam! warning: variant is never constructed: `Nickel`
Oct 21 21:21:59.028 INFO kablam!    --> src/chapter6/bin/main.rs:121:5
Oct 21 21:21:59.028 INFO kablam!     |
Oct 21 21:21:59.028 INFO kablam! 121 |     Nickel,
Oct 21 21:21:59.028 INFO kablam!     |     ^^^^^^
Oct 21 21:21:59.028 INFO kablam! 
Oct 21 21:21:59.032 INFO kablam! warning: unused variable: `t`
Oct 21 21:21:59.032 INFO kablam!   --> src/traits/bin/main.rs:83:24
Oct 21 21:21:59.032 INFO kablam!    |
Oct 21 21:21:59.032 INFO kablam! 83 | fn some_function<T, U>(t: T, u: U) -> i32
Oct 21 21:21:59.032 INFO kablam!    |                        ^ help: consider using `_t` instead
Oct 21 21:21:59.033 INFO kablam!    |
Oct 21 21:21:59.033 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 21:21:59.033 INFO kablam! 
Oct 21 21:21:59.033 INFO kablam! warning: unused variable: `u`
Oct 21 21:21:59.033 INFO kablam!   --> src/traits/bin/main.rs:83:30
Oct 21 21:21:59.033 INFO kablam!    |
Oct 21 21:21:59.033 INFO kablam! 83 | fn some_function<T, U>(t: T, u: U) -> i32
Oct 21 21:21:59.033 INFO kablam!    |                              ^ help: consider using `_u` instead
Oct 21 21:21:59.033 INFO kablam! 
Oct 21 21:21:59.041 INFO kablam! warning: function is never used: `max_ch`
Oct 21 21:21:59.041 INFO kablam!   --> src/generics/bin/main.rs:51:1
Oct 21 21:21:59.041 INFO kablam!    |
Oct 21 21:21:59.041 INFO kablam! 51 | fn max_ch(list: &[char]) -> Option<char> {
Oct 21 21:21:59.041 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.041 INFO kablam!    |
Oct 21 21:21:59.041 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:21:59.041 INFO kablam! 
Oct 21 21:21:59.045 INFO kablam! warning: function is never used: `some_function`
Oct 21 21:21:59.045 INFO kablam!   --> src/traits/bin/main.rs:83:1
Oct 21 21:21:59.045 INFO kablam!    |
Oct 21 21:21:59.045 INFO kablam! 83 | / fn some_function<T, U>(t: T, u: U) -> i32
Oct 21 21:21:59.045 INFO kablam! 84 | |     where T: std::fmt::Display + Clone,
Oct 21 21:21:59.045 INFO kablam! 85 | |           U: Clone + std::fmt::Debug {
Oct 21 21:21:59.045 INFO kablam! 86 | |     1
Oct 21 21:21:59.045 INFO kablam! 87 | | }
Oct 21 21:21:59.045 INFO kablam!    | |_^
Oct 21 21:21:59.045 INFO kablam!    |
Oct 21 21:21:59.045 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:21:59.045 INFO kablam! 
Oct 21 21:21:59.045 INFO kablam! warning: struct is never constructed: `Pair`
Oct 21 21:21:59.045 INFO kablam!   --> src/traits/bin/main.rs:92:1
Oct 21 21:21:59.045 INFO kablam!    |
Oct 21 21:21:59.045 INFO kablam! 92 | struct Pair<T> {
Oct 21 21:21:59.045 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 21 21:21:59.046 INFO kablam! 
Oct 21 21:21:59.046 INFO kablam! warning: method is never used: `new`
Oct 21 21:21:59.046 INFO kablam!   --> src/traits/bin/main.rs:98:5
Oct 21 21:21:59.046 INFO kablam!    |
Oct 21 21:21:59.046 INFO kablam! 98 |     fn new(x: T, y: T) -> Self {
Oct 21 21:21:59.046 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.046 INFO kablam! 
Oct 21 21:21:59.046 INFO kablam! warning: method is never used: `cmp_display`
Oct 21 21:21:59.046 INFO kablam!    --> src/traits/bin/main.rs:107:5
Oct 21 21:21:59.046 INFO kablam!     |
Oct 21 21:21:59.046 INFO kablam! 107 |     fn cmp_display(&self) {
Oct 21 21:21:59.046 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.046 INFO kablam! 
Oct 21 21:21:59.104 INFO kablam! warning: unused variable: `black`
Oct 21 21:21:59.106 INFO kablam!   --> src/chapter5/bin/main.rs:23:9
Oct 21 21:21:59.106 INFO kablam!    |
Oct 21 21:21:59.106 INFO kablam! 23 |     let black = Color(0, 0, 0);
Oct 21 21:21:59.106 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Oct 21 21:21:59.106 INFO kablam!    |
Oct 21 21:21:59.106 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 21:21:59.106 INFO kablam! 
Oct 21 21:21:59.106 INFO kablam! warning: unused variable: `origin`
Oct 21 21:21:59.106 INFO kablam!   --> src/chapter5/bin/main.rs:24:9
Oct 21 21:21:59.106 INFO kablam!    |
Oct 21 21:21:59.106 INFO kablam! 24 |     let origin = Point(0, 0, 0);
Oct 21 21:21:59.106 INFO kablam!    |         ^^^^^^ help: consider using `_origin` instead
Oct 21 21:21:59.106 INFO kablam! 
Oct 21 21:21:59.117 INFO kablam! warning: function is never used: `build_user`
Oct 21 21:21:59.117 INFO kablam!    --> src/chapter5/bin/main.rs:103:1
Oct 21 21:21:59.117 INFO kablam!     |
Oct 21 21:21:59.117 INFO kablam! 103 | fn build_user(email: String, username: String) -> User {
Oct 21 21:21:59.117 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.117 INFO kablam!     |
Oct 21 21:21:59.117 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 21 21:21:59.117 INFO kablam! 
Oct 21 21:21:59.140 INFO kablam! warning: unused variable: `v`
Oct 21 21:21:59.140 INFO kablam!  --> src/errors/bin/main.rs:5:9
Oct 21 21:21:59.140 INFO kablam!   |
Oct 21 21:21:59.140 INFO kablam! 5 |     let v = vec![1, 2, 3];
Oct 21 21:21:59.140 INFO kablam!   |         ^ help: consider using `_v` instead
Oct 21 21:21:59.140 INFO kablam!   |
Oct 21 21:21:59.140 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:21:59.140 INFO kablam! 
Oct 21 21:21:59.140 INFO kablam! warning: unused variable: `f`
Oct 21 21:21:59.140 INFO kablam!   --> src/errors/bin/main.rs:23:9
Oct 21 21:21:59.140 INFO kablam!    |
Oct 21 21:21:59.140 INFO kablam! 23 |     let f = match f {
Oct 21 21:21:59.140 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 21 21:21:59.140 INFO kablam! 
Oct 21 21:21:59.156 INFO kablam! warning: function is never used: `read_username_from_file`
Oct 21 21:21:59.156 INFO kablam!   --> src/errors/bin/main.rs:44:1
Oct 21 21:21:59.156 INFO kablam!    |
Oct 21 21:21:59.156 INFO kablam! 44 | fn read_username_from_file() -> Result<String, io::Error> {
Oct 21 21:21:59.156 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.156 INFO kablam!    |
Oct 21 21:21:59.156 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:21:59.156 INFO kablam! 
Oct 21 21:21:59.156 INFO kablam! warning: function is never used: `read_username_from_file2`
Oct 21 21:21:59.156 INFO kablam!   --> src/errors/bin/main.rs:60:1
Oct 21 21:21:59.156 INFO kablam!    |
Oct 21 21:21:59.156 INFO kablam! 60 | fn read_username_from_file2() -> Result<String, io::Error> {
Oct 21 21:21:59.156 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.156 INFO kablam! 
Oct 21 21:21:59.164 INFO kablam! warning: function `openFile` should have a snake case name such as `open_file`
Oct 21 21:21:59.164 INFO kablam!   --> src/errors/bin/main.rs:20:1
Oct 21 21:21:59.164 INFO kablam!    |
Oct 21 21:21:59.164 INFO kablam! 20 | / fn openFile() {
Oct 21 21:21:59.164 INFO kablam! 21 | |     let f = File::open("hello.txt");
Oct 21 21:21:59.164 INFO kablam! 22 | |
Oct 21 21:21:59.164 INFO kablam! 23 | |     let f = match f {
Oct 21 21:21:59.164 INFO kablam! ...  |
Oct 21 21:21:59.164 INFO kablam! 40 | |     };
Oct 21 21:21:59.164 INFO kablam! 41 | | }
Oct 21 21:21:59.164 INFO kablam!    | |_^
Oct 21 21:21:59.164 INFO kablam!    |
Oct 21 21:21:59.164 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Oct 21 21:21:59.164 INFO kablam! 
Oct 21 21:21:59.600 INFO kablam! warning: unused variable: `black`
Oct 21 21:21:59.600 INFO kablam!    --> src/chapter3/bin/main.rs:107:9
Oct 21 21:21:59.600 INFO kablam!     |
Oct 21 21:21:59.600 INFO kablam! 107 |     let black = Color(0, 0, 0);
Oct 21 21:21:59.600 INFO kablam!     |         ^^^^^ help: consider using `_black` instead
Oct 21 21:21:59.608 INFO kablam!     |
Oct 21 21:21:59.608 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 21:21:59.608 INFO kablam! 
Oct 21 21:21:59.608 INFO kablam! warning: unused variable: `origin`
Oct 21 21:21:59.608 INFO kablam!    --> src/chapter3/bin/main.rs:108:9
Oct 21 21:21:59.608 INFO kablam!     |
Oct 21 21:21:59.608 INFO kablam! 108 |     let origin = Point(0, 0, 0);
Oct 21 21:21:59.608 INFO kablam!     |         ^^^^^^ help: consider using `_origin` instead
Oct 21 21:21:59.608 INFO kablam! 
Oct 21 21:21:59.632 INFO kablam! warning: function is never used: `gives_ownership`
Oct 21 21:21:59.632 INFO kablam!    --> src/chapter3/bin/main.rs:119:1
Oct 21 21:21:59.632 INFO kablam!     |
Oct 21 21:21:59.632 INFO kablam! 119 | fn gives_ownership() -> String {
Oct 21 21:21:59.632 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.647 INFO kablam!     |
Oct 21 21:21:59.647 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 21 21:21:59.647 INFO kablam! 
Oct 21 21:21:59.647 INFO kablam! warning: function is never used: `takes_and_gives_back`
Oct 21 21:21:59.647 INFO kablam!    --> src/chapter3/bin/main.rs:124:1
Oct 21 21:21:59.647 INFO kablam!     |
Oct 21 21:21:59.647 INFO kablam! 124 | fn takes_and_gives_back(a_string: String) -> String {
Oct 21 21:21:59.647 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.647 INFO kablam! 
Oct 21 21:21:59.647 INFO kablam! warning: function is never used: `no_dangle`
Oct 21 21:21:59.647 INFO kablam!    --> src/chapter3/bin/main.rs:149:1
Oct 21 21:21:59.647 INFO kablam!     |
Oct 21 21:21:59.647 INFO kablam! 149 | fn no_dangle() -> String {
Oct 21 21:21:59.647 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.647 INFO kablam! 
Oct 21 21:21:59.647 INFO kablam! warning: function is never used: `build_user`
Oct 21 21:21:59.647 INFO kablam!    --> src/chapter3/bin/main.rs:187:1
Oct 21 21:21:59.647 INFO kablam!     |
Oct 21 21:21:59.647 INFO kablam! 187 | fn build_user(email: String, username: String) -> User {
Oct 21 21:21:59.647 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:21:59.650 INFO kablam! 
Oct 21 21:21:59.891 INFO kablam! warning: unused imports: `Red`, `Yellow`
Oct 21 21:21:59.891 INFO kablam!  --> src/chapter7/bin/main.rs:3:34
Oct 21 21:21:59.891 INFO kablam!   |
Oct 21 21:21:59.891 INFO kablam! 3 | use communicator::TrafficLight::{Red, Yellow};
Oct 21 21:21:59.891 INFO kablam!   |                                  ^^^  ^^^^^^
Oct 21 21:21:59.891 INFO kablam!   |
Oct 21 21:21:59.891 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 21:21:59.891 INFO kablam! 
Oct 21 21:21:59.960 INFO kablam! warning: unused variable: `red`
Oct 21 21:21:59.960 INFO kablam!  --> src/chapter7/bin/main.rs:8:9
Oct 21 21:21:59.960 INFO kablam!   |
Oct 21 21:21:59.960 INFO kablam! 8 |     let red = Red;
Oct 21 21:21:59.960 INFO kablam!   |         ^^^ help: consider using `_red` instead
Oct 21 21:21:59.960 INFO kablam!   |
Oct 21 21:21:59.960 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:21:59.960 INFO kablam! 
Oct 21 21:21:59.960 INFO kablam! warning: unused variable: `yellow`
Oct 21 21:21:59.960 INFO kablam!  --> src/chapter7/bin/main.rs:9:9
Oct 21 21:21:59.960 INFO kablam!   |
Oct 21 21:21:59.960 INFO kablam! 9 |     let yellow = Yellow;
Oct 21 21:21:59.960 INFO kablam!   |         ^^^^^^ help: consider using `_yellow` instead
Oct 21 21:21:59.960 INFO kablam! 
Oct 21 21:21:59.961 INFO kablam! warning: unused variable: `green`
Oct 21 21:21:59.961 INFO kablam!   --> src/chapter7/bin/main.rs:10:9
Oct 21 21:21:59.961 INFO kablam!    |
Oct 21 21:21:59.961 INFO kablam! 10 |     let green = communicator::TrafficLight::Green;
Oct 21 21:21:59.961 INFO kablam!    |         ^^^^^ help: consider using `_green` instead
Oct 21 21:21:59.961 INFO kablam! 
Oct 21 21:21:59.961 INFO kablam! warning: unused variable: `green`
Oct 21 21:21:59.961 INFO kablam!   --> src/chapter7/bin/main.rs:14:9
Oct 21 21:21:59.961 INFO kablam!    |
Oct 21 21:21:59.961 INFO kablam! 14 |     let green = Green;
Oct 21 21:21:59.961 INFO kablam!    |         ^^^^^ help: consider using `_green` instead
Oct 21 21:21:59.961 INFO kablam! 
Oct 21 21:22:00.275 INFO kablam! warning: unused variable: `t`
Oct 21 21:22:00.275 INFO kablam!   --> src/traits/bin/main.rs:83:24
Oct 21 21:22:00.275 INFO kablam!    |
Oct 21 21:22:00.275 INFO kablam! 83 | fn some_function<T, U>(t: T, u: U) -> i32
Oct 21 21:22:00.275 INFO kablam!    |                        ^ help: consider using `_t` instead
Oct 21 21:22:00.275 INFO kablam!    |
Oct 21 21:22:00.275 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 21:22:00.275 INFO kablam! 
Oct 21 21:22:00.278 INFO kablam! warning: unused variable: `u`
Oct 21 21:22:00.278 INFO kablam!   --> src/traits/bin/main.rs:83:30
Oct 21 21:22:00.278 INFO kablam!    |
Oct 21 21:22:00.278 INFO kablam! 83 | fn some_function<T, U>(t: T, u: U) -> i32
Oct 21 21:22:00.278 INFO kablam!    |                              ^ help: consider using `_u` instead
Oct 21 21:22:00.278 INFO kablam! 
Oct 21 21:22:00.312 INFO kablam! warning: function is never used: `some_function`
Oct 21 21:22:00.312 INFO kablam!   --> src/traits/bin/main.rs:83:1
Oct 21 21:22:00.312 INFO kablam!    |
Oct 21 21:22:00.312 INFO kablam! 83 | / fn some_function<T, U>(t: T, u: U) -> i32
Oct 21 21:22:00.312 INFO kablam! 84 | |     where T: std::fmt::Display + Clone,
Oct 21 21:22:00.312 INFO kablam! 85 | |           U: Clone + std::fmt::Debug {
Oct 21 21:22:00.312 INFO kablam! 86 | |     1
Oct 21 21:22:00.312 INFO kablam! 87 | | }
Oct 21 21:22:00.312 INFO kablam!    | |_^
Oct 21 21:22:00.312 INFO kablam!    |
Oct 21 21:22:00.312 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:22:00.312 INFO kablam! 
Oct 21 21:22:00.312 INFO kablam! warning: struct is never constructed: `Pair`
Oct 21 21:22:00.312 INFO kablam!   --> src/traits/bin/main.rs:92:1
Oct 21 21:22:00.312 INFO kablam!    |
Oct 21 21:22:00.312 INFO kablam! 92 | struct Pair<T> {
Oct 21 21:22:00.312 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 21 21:22:00.312 INFO kablam! 
Oct 21 21:22:00.312 INFO kablam! warning: method is never used: `new`
Oct 21 21:22:00.312 INFO kablam!   --> src/traits/bin/main.rs:98:5
Oct 21 21:22:00.312 INFO kablam!    |
Oct 21 21:22:00.312 INFO kablam! 98 |     fn new(x: T, y: T) -> Self {
Oct 21 21:22:00.312 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.312 INFO kablam! 
Oct 21 21:22:00.312 INFO kablam! warning: method is never used: `cmp_display`
Oct 21 21:22:00.312 INFO kablam!    --> src/traits/bin/main.rs:107:5
Oct 21 21:22:00.312 INFO kablam!     |
Oct 21 21:22:00.312 INFO kablam! 107 |     fn cmp_display(&self) {
Oct 21 21:22:00.312 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.312 INFO kablam! 
Oct 21 21:22:00.336 INFO kablam! warning: unused variable: `black`
Oct 21 21:22:00.336 INFO kablam!    --> src/chapter3/bin/main.rs:107:9
Oct 21 21:22:00.336 INFO kablam!     |
Oct 21 21:22:00.336 INFO kablam! 107 |     let black = Color(0, 0, 0);
Oct 21 21:22:00.336 INFO kablam!     |         ^^^^^ help: consider using `_black` instead
Oct 21 21:22:00.336 INFO kablam!     |
Oct 21 21:22:00.336 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 21:22:00.336 INFO kablam! 
Oct 21 21:22:00.336 INFO kablam! warning: unused variable: `origin`
Oct 21 21:22:00.336 INFO kablam!    --> src/chapter3/bin/main.rs:108:9
Oct 21 21:22:00.336 INFO kablam!     |
Oct 21 21:22:00.336 INFO kablam! 108 |     let origin = Point(0, 0, 0);
Oct 21 21:22:00.336 INFO kablam!     |         ^^^^^^ help: consider using `_origin` instead
Oct 21 21:22:00.336 INFO kablam! 
Oct 21 21:22:00.360 INFO kablam! warning: unnecessary parentheses around assigned value
Oct 21 21:22:00.360 INFO kablam!    --> src/collections/bin/main.rs:181:14
Oct 21 21:22:00.360 INFO kablam!     |
Oct 21 21:22:00.360 INFO kablam! 181 |         t += (*i as f32);
Oct 21 21:22:00.360 INFO kablam!     |              ^^^^^^^^^^^ help: remove these parentheses
Oct 21 21:22:00.368 INFO kablam! warning: function is never used: `gives_ownership`
Oct 21 21:22:00.368 INFO kablam!    --> src/chapter3/bin/main.rs:119:1
Oct 21 21:22:00.368 INFO kablam!     |
Oct 21 21:22:00.368 INFO kablam! 119 | fn gives_ownership() -> String {
Oct 21 21:22:00.368 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.368 INFO kablam!     |
Oct 21 21:22:00.368 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 21 21:22:00.368 INFO kablam! 
Oct 21 21:22:00.368 INFO kablam! warning: function is never used: `takes_and_gives_back`
Oct 21 21:22:00.368 INFO kablam!    --> src/chapter3/bin/main.rs:124:1
Oct 21 21:22:00.368 INFO kablam!     |
Oct 21 21:22:00.368 INFO kablam! 124 | fn takes_and_gives_back(a_string: String) -> String {
Oct 21 21:22:00.368 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.368 INFO kablam! 
Oct 21 21:22:00.368 INFO kablam! warning: function is never used: `no_dangle`
Oct 21 21:22:00.368 INFO kablam!    --> src/chapter3/bin/main.rs:149:1
Oct 21 21:22:00.369 INFO kablam!     |
Oct 21 21:22:00.369 INFO kablam! 149 | fn no_dangle() -> String {
Oct 21 21:22:00.369 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.369 INFO kablam! 
Oct 21 21:22:00.369 INFO kablam! warning: function is never used: `build_user`
Oct 21 21:22:00.369 INFO kablam!    --> src/chapter3/bin/main.rs:187:1
Oct 21 21:22:00.369 INFO kablam!     |
Oct 21 21:22:00.369 INFO kablam! 187 | fn build_user(email: String, username: String) -> User {
Oct 21 21:22:00.369 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.369 INFO kablam! 
Oct 21 21:22:00.376 INFO kablam!     |
Oct 21 21:22:00.376 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 21 21:22:00.376 INFO kablam! 
Oct 21 21:22:00.432 INFO kablam! warning: unused variable: `s`
Oct 21 21:22:00.432 INFO kablam!  --> src/lifetimes/bin/main.rs:5:13
Oct 21 21:22:00.432 INFO kablam!   |
Oct 21 21:22:00.433 INFO kablam! 5 |         let s: &'static str = "asdsa";
Oct 21 21:22:00.433 INFO kablam!   |             ^ help: consider using `_s` instead
Oct 21 21:22:00.433 INFO kablam!   |
Oct 21 21:22:00.433 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:22:00.433 INFO kablam! 
Oct 21 21:22:00.433 INFO kablam! warning: unused variable: `y`
Oct 21 21:22:00.433 INFO kablam!   --> src/lifetimes/bin/main.rs:40:29
Oct 21 21:22:00.433 INFO kablam!    |
Oct 21 21:22:00.433 INFO kablam! 40 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
Oct 21 21:22:00.433 INFO kablam!    |                             ^ help: consider using `_y` instead
Oct 21 21:22:00.433 INFO kablam! 
Oct 21 21:22:00.433 INFO kablam! warning: unused variable: `y`
Oct 21 21:22:00.433 INFO kablam!   --> src/lifetimes/bin/main.rs:44:29
Oct 21 21:22:00.433 INFO kablam!    |
Oct 21 21:22:00.433 INFO kablam! 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Oct 21 21:22:00.433 INFO kablam!    |                             ^ help: consider using `_y` instead
Oct 21 21:22:00.433 INFO kablam! 
Oct 21 21:22:00.440 INFO kablam! warning: function is never used: `longest3`
Oct 21 21:22:00.440 INFO kablam!   --> src/lifetimes/bin/main.rs:44:1
Oct 21 21:22:00.440 INFO kablam!    |
Oct 21 21:22:00.440 INFO kablam! 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Oct 21 21:22:00.440 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.441 INFO kablam!    |
Oct 21 21:22:00.441 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:22:00.441 INFO kablam! 
Oct 21 21:22:00.441 INFO kablam! warning: field is never used: `a`
Oct 21 21:22:00.441 INFO kablam!   --> src/lifetimes/bin/main.rs:50:5
Oct 21 21:22:00.441 INFO kablam!    |
Oct 21 21:22:00.441 INFO kablam! 50 |     a: String,
Oct 21 21:22:00.441 INFO kablam!    |     ^^^^^^^^^
Oct 21 21:22:00.441 INFO kablam! 
Oct 21 21:22:00.441 INFO kablam! warning: method is never used: `level`
Oct 21 21:22:00.441 INFO kablam!   --> src/lifetimes/bin/main.rs:54:5
Oct 21 21:22:00.441 INFO kablam!    |
Oct 21 21:22:00.441 INFO kablam! 54 |     fn level(&self) -> i32 {
Oct 21 21:22:00.441 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.441 INFO kablam! 
Oct 21 21:22:00.441 INFO kablam! warning: method is never used: `a`
Oct 21 21:22:00.441 INFO kablam!   --> src/lifetimes/bin/main.rs:60:5
Oct 21 21:22:00.442 INFO kablam!    |
Oct 21 21:22:00.442 INFO kablam! 60 |     fn a(&self) -> &str {
Oct 21 21:22:00.442 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.442 INFO kablam! 
Oct 21 21:22:00.442 INFO kablam! warning: function is never used: `longest_with_an_announcement`
Oct 21 21:22:00.442 INFO kablam!   --> src/lifetimes/bin/main.rs:67:1
Oct 21 21:22:00.442 INFO kablam!    |
Oct 21 21:22:00.442 INFO kablam! 67 | / fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
Oct 21 21:22:00.442 INFO kablam! 68 | |     where T: Display
Oct 21 21:22:00.444 INFO kablam! 69 | | {
Oct 21 21:22:00.444 INFO kablam! 70 | |     println!("Announcement! {}", ann);
Oct 21 21:22:00.444 INFO kablam! ...  |
Oct 21 21:22:00.444 INFO kablam! 75 | |     }
Oct 21 21:22:00.444 INFO kablam! 76 | | }
Oct 21 21:22:00.444 INFO kablam!    | |_^
Oct 21 21:22:00.444 INFO kablam! 
Oct 21 21:22:00.532 INFO kablam! warning: unused variable: `s1`
Oct 21 21:22:00.532 INFO kablam!   --> src/collections/bin/main.rs:99:9
Oct 21 21:22:00.532 INFO kablam!    |
Oct 21 21:22:00.532 INFO kablam! 99 |     let s1 = String::from("hello");
Oct 21 21:22:00.532 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 21 21:22:00.532 INFO kablam!    |
Oct 21 21:22:00.532 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 21:22:00.532 INFO kablam! 
Oct 21 21:22:00.532 INFO kablam! warning: unused variable: `scores`
Oct 21 21:22:00.536 INFO kablam!    --> src/collections/bin/main.rs:143:9
Oct 21 21:22:00.536 INFO kablam!     |
Oct 21 21:22:00.536 INFO kablam! 143 |     let scores: HashMap<_, _> = zipped.collect();
Oct 21 21:22:00.536 INFO kablam!     |         ^^^^^^ help: consider using `_scores` instead
Oct 21 21:22:00.536 INFO kablam! 
Oct 21 21:22:00.567 INFO kablam! warning: variable does not need to be mutable
Oct 21 21:22:00.568 INFO kablam!   --> src/collections/bin/main.rs:56:9
Oct 21 21:22:00.568 INFO kablam!    |
Oct 21 21:22:00.568 INFO kablam! 56 |     let mut s = String::new();
Oct 21 21:22:00.568 INFO kablam!    |         ----^
Oct 21 21:22:00.568 INFO kablam!    |         |
Oct 21 21:22:00.568 INFO kablam!    |         help: remove this `mut`
Oct 21 21:22:00.569 INFO kablam!    |
Oct 21 21:22:00.572 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 21:22:00.572 INFO kablam! 
Oct 21 21:22:00.948 INFO kablam! warning: unused variable: `s`
Oct 21 21:22:00.948 INFO kablam!  --> src/lifetimes/bin/main.rs:5:13
Oct 21 21:22:00.948 INFO kablam!   |
Oct 21 21:22:00.948 INFO kablam! 5 |         let s: &'static str = "asdsa";
Oct 21 21:22:00.948 INFO kablam!   |             ^ help: consider using `_s` instead
Oct 21 21:22:00.956 INFO kablam!   |
Oct 21 21:22:00.956 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:22:00.956 INFO kablam! 
Oct 21 21:22:00.956 INFO kablam! warning: unused variable: `y`
Oct 21 21:22:00.956 INFO kablam!   --> src/lifetimes/bin/main.rs:40:29
Oct 21 21:22:00.956 INFO kablam!    |
Oct 21 21:22:00.956 INFO kablam! 40 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
Oct 21 21:22:00.957 INFO kablam!    |                             ^ help: consider using `_y` instead
Oct 21 21:22:00.957 INFO kablam! 
Oct 21 21:22:00.957 INFO kablam! warning: unused variable: `y`
Oct 21 21:22:00.957 INFO kablam!   --> src/lifetimes/bin/main.rs:44:29
Oct 21 21:22:00.957 INFO kablam!    |
Oct 21 21:22:00.957 INFO kablam! 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Oct 21 21:22:00.957 INFO kablam!    |                             ^ help: consider using `_y` instead
Oct 21 21:22:00.957 INFO kablam! 
Oct 21 21:22:00.972 INFO kablam! warning: function is never used: `longest3`
Oct 21 21:22:00.972 INFO kablam!   --> src/lifetimes/bin/main.rs:44:1
Oct 21 21:22:00.972 INFO kablam!    |
Oct 21 21:22:00.972 INFO kablam! 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Oct 21 21:22:00.972 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.972 INFO kablam!    |
Oct 21 21:22:00.972 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:22:00.972 INFO kablam! 
Oct 21 21:22:00.972 INFO kablam! warning: field is never used: `a`
Oct 21 21:22:00.972 INFO kablam!   --> src/lifetimes/bin/main.rs:50:5
Oct 21 21:22:00.972 INFO kablam!    |
Oct 21 21:22:00.972 INFO kablam! 50 |     a: String,
Oct 21 21:22:00.972 INFO kablam!    |     ^^^^^^^^^
Oct 21 21:22:00.972 INFO kablam! 
Oct 21 21:22:00.972 INFO kablam! warning: method is never used: `level`
Oct 21 21:22:00.972 INFO kablam!   --> src/lifetimes/bin/main.rs:54:5
Oct 21 21:22:00.972 INFO kablam!    |
Oct 21 21:22:00.972 INFO kablam! 54 |     fn level(&self) -> i32 {
Oct 21 21:22:00.972 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.972 INFO kablam! 
Oct 21 21:22:00.972 INFO kablam! warning: method is never used: `a`
Oct 21 21:22:00.972 INFO kablam!   --> src/lifetimes/bin/main.rs:60:5
Oct 21 21:22:00.972 INFO kablam!    |
Oct 21 21:22:00.972 INFO kablam! 60 |     fn a(&self) -> &str {
Oct 21 21:22:00.972 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:00.972 INFO kablam! 
Oct 21 21:22:00.972 INFO kablam! warning: function is never used: `longest_with_an_announcement`
Oct 21 21:22:00.972 INFO kablam!   --> src/lifetimes/bin/main.rs:67:1
Oct 21 21:22:00.972 INFO kablam!    |
Oct 21 21:22:00.972 INFO kablam! 67 | / fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
Oct 21 21:22:00.972 INFO kablam! 68 | |     where T: Display
Oct 21 21:22:00.972 INFO kablam! 69 | | {
Oct 21 21:22:00.973 INFO kablam! 70 | |     println!("Announcement! {}", ann);
Oct 21 21:22:00.973 INFO kablam! ...  |
Oct 21 21:22:00.973 INFO kablam! 75 | |     }
Oct 21 21:22:00.973 INFO kablam! 76 | | }
Oct 21 21:22:00.973 INFO kablam!    | |_^
Oct 21 21:22:00.973 INFO kablam! 
Oct 21 21:22:00.988 INFO kablam! warning: unused variable: `ip_type`
Oct 21 21:22:00.988 INFO kablam!  --> src/chapter6/bin/main.rs:1:10
Oct 21 21:22:00.988 INFO kablam!   |
Oct 21 21:22:00.988 INFO kablam! 1 | fn route(ip_type: IpAddrKind) { }
Oct 21 21:22:00.988 INFO kablam!   |          ^^^^^^^ help: consider using `_ip_type` instead
Oct 21 21:22:01.004 INFO kablam!   |
Oct 21 21:22:01.004 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:22:01.004 INFO kablam! 
Oct 21 21:22:01.004 INFO kablam! warning: unused variable: `x`
Oct 21 21:22:01.004 INFO kablam!   --> src/chapter6/bin/main.rs:32:35
Oct 21 21:22:01.004 INFO kablam!    |
Oct 21 21:22:01.004 INFO kablam! 32 |     let x = some_string.and_then(|x: &str| Some("sf"));
Oct 21 21:22:01.004 INFO kablam!    |                                   ^ help: consider using `_x` instead
Oct 21 21:22:01.004 INFO kablam! 
Oct 21 21:22:01.004 INFO kablam! warning: unused variable: `six`
Oct 21 21:22:01.004 INFO kablam!   --> src/chapter6/bin/main.rs:11:9
Oct 21 21:22:01.004 INFO kablam!    |
Oct 21 21:22:01.005 INFO kablam! 11 |     let six = IpAddrKind::V6;
Oct 21 21:22:01.005 INFO kablam!    |         ^^^ help: consider using `_six` instead
Oct 21 21:22:01.005 INFO kablam! 
Oct 21 21:22:01.005 INFO kablam! warning: unused variable: `home`
Oct 21 21:22:01.005 INFO kablam!   --> src/chapter6/bin/main.rs:18:9
Oct 21 21:22:01.005 INFO kablam!    |
Oct 21 21:22:01.005 INFO kablam! 18 |     let home = IpAddr::V4(String::from("127.0.0.1"));
Oct 21 21:22:01.005 INFO kablam!    |         ^^^^ help: consider using `_home` instead
Oct 21 21:22:01.005 INFO kablam! 
Oct 21 21:22:01.005 INFO kablam! warning: unused variable: `loopback`
Oct 21 21:22:01.005 INFO kablam!   --> src/chapter6/bin/main.rs:19:9
Oct 21 21:22:01.005 INFO kablam!    |
Oct 21 21:22:01.005 INFO kablam! 19 |     let loopback = IpAddr::V6(String::from("::1"));
Oct 21 21:22:01.005 INFO kablam!    |         ^^^^^^^^ help: consider using `_loopback` instead
Oct 21 21:22:01.005 INFO kablam! 
Oct 21 21:22:01.005 INFO kablam! warning: unused variable: `home`
Oct 21 21:22:01.005 INFO kablam!   --> src/chapter6/bin/main.rs:21:9
Oct 21 21:22:01.005 INFO kablam!    |
Oct 21 21:22:01.005 INFO kablam! 21 |     let home = IpAddr2::V4(127, 0, 0, 1);
Oct 21 21:22:01.005 INFO kablam!    |         ^^^^ help: consider using `_home` instead
Oct 21 21:22:01.005 INFO kablam! 
Oct 21 21:22:01.005 INFO kablam! warning: unused variable: `loopback`
Oct 21 21:22:01.005 INFO kablam!   --> src/chapter6/bin/main.rs:22:9
Oct 21 21:22:01.005 INFO kablam!    |
Oct 21 21:22:01.005 INFO kablam! 22 |     let loopback = IpAddr2::V6(String::from("::1"));
Oct 21 21:22:01.006 INFO kablam!    |         ^^^^^^^^ help: consider using `_loopback` instead
Oct 21 21:22:01.006 INFO kablam! 
Oct 21 21:22:01.006 INFO kablam! warning: variable `count` is assigned to, but never used
Oct 21 21:22:01.006 INFO kablam!   --> src/chapter6/bin/main.rs:72:13
Oct 21 21:22:01.006 INFO kablam!    |
Oct 21 21:22:01.006 INFO kablam! 72 |     let mut count = 0;
Oct 21 21:22:01.006 INFO kablam!    |             ^^^^^
Oct 21 21:22:01.006 INFO kablam!    |
Oct 21 21:22:01.006 INFO kablam!    = note: consider using `_count` instead
Oct 21 21:22:01.006 INFO kablam! 
Oct 21 21:22:01.006 INFO kablam! warning: value assigned to `count` is never read
Oct 21 21:22:01.006 INFO kablam!   --> src/chapter6/bin/main.rs:76:9
Oct 21 21:22:01.006 INFO kablam!    |
Oct 21 21:22:01.006 INFO kablam! 76 |         count += 1;
Oct 21 21:22:01.006 INFO kablam!    |         ^^^^^
Oct 21 21:22:01.006 INFO kablam!    |
Oct 21 21:22:01.006 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 21 21:22:01.006 INFO kablam! 
Oct 21 21:22:01.016 INFO kablam! warning: variant is never constructed: `Quit`
Oct 21 21:22:01.016 INFO kablam!   --> src/chapter6/bin/main.rs:94:5
Oct 21 21:22:01.016 INFO kablam!    |
Oct 21 21:22:01.016 INFO kablam! 94 |     Quit,
Oct 21 21:22:01.016 INFO kablam!    |     ^^^^
Oct 21 21:22:01.016 INFO kablam!    |
Oct 21 21:22:01.016 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:22:01.016 INFO kablam! 
Oct 21 21:22:01.016 INFO kablam! warning: variant is never constructed: `Move`
Oct 21 21:22:01.016 INFO kablam!   --> src/chapter6/bin/main.rs:95:5
Oct 21 21:22:01.016 INFO kablam!    |
Oct 21 21:22:01.017 INFO kablam! 95 |     Move { x: i32, y: i32 },
Oct 21 21:22:01.017 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:01.017 INFO kablam! 
Oct 21 21:22:01.017 INFO kablam! warning: variant is never constructed: `ChangeColor`
Oct 21 21:22:01.017 INFO kablam!   --> src/chapter6/bin/main.rs:97:5
Oct 21 21:22:01.017 INFO kablam!    |
Oct 21 21:22:01.017 INFO kablam! 97 |     ChangeColor(i32, i32, i32),
Oct 21 21:22:01.017 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:01.017 INFO kablam! 
Oct 21 21:22:01.017 INFO kablam! warning: variant is never constructed: `Alaska`
Oct 21 21:22:01.017 INFO kablam!    --> src/chapter6/bin/main.rs:115:5
Oct 21 21:22:01.017 INFO kablam!     |
Oct 21 21:22:01.017 INFO kablam! 115 |     Alaska,
Oct 21 21:22:01.017 INFO kablam!     |     ^^^^^^
Oct 21 21:22:01.017 INFO kablam! 
Oct 21 21:22:01.017 INFO kablam! warning: variant is never constructed: `Nickel`
Oct 21 21:22:01.017 INFO kablam!    --> src/chapter6/bin/main.rs:121:5
Oct 21 21:22:01.017 INFO kablam!     |
Oct 21 21:22:01.017 INFO kablam! 121 |     Nickel,
Oct 21 21:22:01.017 INFO kablam!     |     ^^^^^^
Oct 21 21:22:01.017 INFO kablam! 
Oct 21 21:22:01.311 INFO kablam! warning: unused imports: `Red`, `Yellow`
Oct 21 21:22:01.311 INFO kablam!  --> src/chapter7/bin/main.rs:3:34
Oct 21 21:22:01.311 INFO kablam!   |
Oct 21 21:22:01.311 INFO kablam! 3 | use communicator::TrafficLight::{Red, Yellow};
Oct 21 21:22:01.311 INFO kablam!   |                                  ^^^  ^^^^^^
Oct 21 21:22:01.311 INFO kablam!   |
Oct 21 21:22:01.311 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 21:22:01.311 INFO kablam! 
Oct 21 21:22:01.345 INFO kablam! warning: unused variable: `black`
Oct 21 21:22:01.345 INFO kablam!   --> src/chapter5/bin/main.rs:23:9
Oct 21 21:22:01.345 INFO kablam!    |
Oct 21 21:22:01.345 INFO kablam! 23 |     let black = Color(0, 0, 0);
Oct 21 21:22:01.345 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Oct 21 21:22:01.345 INFO kablam!    |
Oct 21 21:22:01.345 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 21:22:01.345 INFO kablam! 
Oct 21 21:22:01.345 INFO kablam! warning: unused variable: `origin`
Oct 21 21:22:01.345 INFO kablam!   --> src/chapter5/bin/main.rs:24:9
Oct 21 21:22:01.345 INFO kablam!    |
Oct 21 21:22:01.345 INFO kablam! 24 |     let origin = Point(0, 0, 0);
Oct 21 21:22:01.345 INFO kablam!    |         ^^^^^^ help: consider using `_origin` instead
Oct 21 21:22:01.345 INFO kablam! 
Oct 21 21:22:01.352 INFO kablam! warning: function is never used: `build_user`
Oct 21 21:22:01.352 INFO kablam!    --> src/chapter5/bin/main.rs:103:1
Oct 21 21:22:01.352 INFO kablam!     |
Oct 21 21:22:01.352 INFO kablam! 103 | fn build_user(email: String, username: String) -> User {
Oct 21 21:22:01.352 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:01.352 INFO kablam!     |
Oct 21 21:22:01.352 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 21 21:22:01.352 INFO kablam! 
Oct 21 21:22:01.364 INFO kablam! warning: unused variable: `red`
Oct 21 21:22:01.364 INFO kablam!  --> src/chapter7/bin/main.rs:8:9
Oct 21 21:22:01.364 INFO kablam!   |
Oct 21 21:22:01.364 INFO kablam! 8 |     let red = Red;
Oct 21 21:22:01.364 INFO kablam!   |         ^^^ help: consider using `_red` instead
Oct 21 21:22:01.364 INFO kablam!   |
Oct 21 21:22:01.364 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:22:01.364 INFO kablam! 
Oct 21 21:22:01.364 INFO kablam! warning: unused variable: `yellow`
Oct 21 21:22:01.364 INFO kablam!  --> src/chapter7/bin/main.rs:9:9
Oct 21 21:22:01.364 INFO kablam!   |
Oct 21 21:22:01.364 INFO kablam! 9 |     let yellow = Yellow;
Oct 21 21:22:01.364 INFO kablam!   |         ^^^^^^ help: consider using `_yellow` instead
Oct 21 21:22:01.364 INFO kablam! 
Oct 21 21:22:01.364 INFO kablam! warning: unused variable: `green`
Oct 21 21:22:01.364 INFO kablam!   --> src/chapter7/bin/main.rs:10:9
Oct 21 21:22:01.364 INFO kablam!    |
Oct 21 21:22:01.364 INFO kablam! 10 |     let green = communicator::TrafficLight::Green;
Oct 21 21:22:01.364 INFO kablam!    |         ^^^^^ help: consider using `_green` instead
Oct 21 21:22:01.364 INFO kablam! 
Oct 21 21:22:01.364 INFO kablam! warning: unused variable: `green`
Oct 21 21:22:01.364 INFO kablam!   --> src/chapter7/bin/main.rs:14:9
Oct 21 21:22:01.364 INFO kablam!    |
Oct 21 21:22:01.364 INFO kablam! 14 |     let green = Green;
Oct 21 21:22:01.364 INFO kablam!    |         ^^^^^ help: consider using `_green` instead
Oct 21 21:22:01.364 INFO kablam! 
Oct 21 21:22:01.453 INFO kablam! warning: unnecessary parentheses around assigned value
Oct 21 21:22:01.453 INFO kablam!    --> src/collections/bin/main.rs:181:14
Oct 21 21:22:01.453 INFO kablam!     |
Oct 21 21:22:01.453 INFO kablam! 181 |         t += (*i as f32);
Oct 21 21:22:01.453 INFO kablam!     |              ^^^^^^^^^^^ help: remove these parentheses
Oct 21 21:22:01.453 INFO kablam!     |
Oct 21 21:22:01.453 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 21 21:22:01.453 INFO kablam! 
Oct 21 21:22:01.608 INFO kablam! warning: unused variable: `s1`
Oct 21 21:22:01.608 INFO kablam!   --> src/collections/bin/main.rs:99:9
Oct 21 21:22:01.608 INFO kablam!    |
Oct 21 21:22:01.608 INFO kablam! 99 |     let s1 = String::from("hello");
Oct 21 21:22:01.608 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 21 21:22:01.608 INFO kablam!    |
Oct 21 21:22:01.608 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 21:22:01.608 INFO kablam! 
Oct 21 21:22:01.608 INFO kablam! warning: unused variable: `scores`
Oct 21 21:22:01.608 INFO kablam!    --> src/collections/bin/main.rs:143:9
Oct 21 21:22:01.608 INFO kablam!     |
Oct 21 21:22:01.608 INFO kablam! 143 |     let scores: HashMap<_, _> = zipped.collect();
Oct 21 21:22:01.608 INFO kablam!     |         ^^^^^^ help: consider using `_scores` instead
Oct 21 21:22:01.608 INFO kablam! 
Oct 21 21:22:01.648 INFO kablam! warning: variable does not need to be mutable
Oct 21 21:22:01.648 INFO kablam!   --> src/collections/bin/main.rs:56:9
Oct 21 21:22:01.648 INFO kablam!    |
Oct 21 21:22:01.648 INFO kablam! 56 |     let mut s = String::new();
Oct 21 21:22:01.648 INFO kablam!    |         ----^
Oct 21 21:22:01.648 INFO kablam!    |         |
Oct 21 21:22:01.648 INFO kablam!    |         help: remove this `mut`
Oct 21 21:22:01.648 INFO kablam!    |
Oct 21 21:22:01.648 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 21:22:01.648 INFO kablam! 
Oct 21 21:22:01.663 INFO kablam! warning: unused variable: `v`
Oct 21 21:22:01.663 INFO kablam!  --> src/errors/bin/main.rs:5:9
Oct 21 21:22:01.663 INFO kablam!   |
Oct 21 21:22:01.663 INFO kablam! 5 |     let v = vec![1, 2, 3];
Oct 21 21:22:01.663 INFO kablam!   |         ^ help: consider using `_v` instead
Oct 21 21:22:01.663 INFO kablam!   |
Oct 21 21:22:01.663 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 21:22:01.663 INFO kablam! 
Oct 21 21:22:01.663 INFO kablam! warning: unused variable: `f`
Oct 21 21:22:01.663 INFO kablam!   --> src/errors/bin/main.rs:23:9
Oct 21 21:22:01.663 INFO kablam!    |
Oct 21 21:22:01.663 INFO kablam! 23 |     let f = match f {
Oct 21 21:22:01.663 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 21 21:22:01.663 INFO kablam! 
Oct 21 21:22:01.684 INFO kablam! warning: function is never used: `read_username_from_file`
Oct 21 21:22:01.684 INFO kablam!   --> src/errors/bin/main.rs:44:1
Oct 21 21:22:01.684 INFO kablam!    |
Oct 21 21:22:01.684 INFO kablam! 44 | fn read_username_from_file() -> Result<String, io::Error> {
Oct 21 21:22:01.684 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:01.684 INFO kablam!    |
Oct 21 21:22:01.684 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 21:22:01.684 INFO kablam! 
Oct 21 21:22:01.684 INFO kablam! warning: function is never used: `read_username_from_file2`
Oct 21 21:22:01.684 INFO kablam!   --> src/errors/bin/main.rs:60:1
Oct 21 21:22:01.684 INFO kablam!    |
Oct 21 21:22:01.684 INFO kablam! 60 | fn read_username_from_file2() -> Result<String, io::Error> {
Oct 21 21:22:01.684 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:22:01.684 INFO kablam! 
Oct 21 21:22:01.715 INFO kablam! warning: function `openFile` should have a snake case name such as `open_file`
Oct 21 21:22:01.715 INFO kablam!   --> src/errors/bin/main.rs:20:1
Oct 21 21:22:01.715 INFO kablam!    |
Oct 21 21:22:01.715 INFO kablam! 20 | / fn openFile() {
Oct 21 21:22:01.715 INFO kablam! 21 | |     let f = File::open("hello.txt");
Oct 21 21:22:01.715 INFO kablam! 22 | |
Oct 21 21:22:01.715 INFO kablam! 23 | |     let f = match f {
Oct 21 21:22:01.715 INFO kablam! ...  |
Oct 21 21:22:01.715 INFO kablam! 40 | |     };
Oct 21 21:22:01.715 INFO kablam! 41 | | }
Oct 21 21:22:01.715 INFO kablam!    | |_^
Oct 21 21:22:01.715 INFO kablam!    |
Oct 21 21:22:01.715 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Oct 21 21:22:01.715 INFO kablam! 
Oct 21 21:22:01.729 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
Oct 21 21:22:01.741 INFO kablam! su: No module specific data is present
Oct 21 21:22:02.076 INFO running `"docker" "rm" "-f" "22a36c17cfd0732483a32d2dfcf25dd1aee062db52a550b3f04f602d4568ad57"`
Oct 21 21:22:02.204 INFO blam! 22a36c17cfd0732483a32d2dfcf25dd1aee062db52a550b3f04f602d4568ad57