Sep 03 18:54:20.789 INFO checking yuya373/trpl against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 18:54:20.789 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 18:54:20.790 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 18:54:21.014 INFO blam! 9198c7db5069131e4ce0264132cb65ee7d36f230dd022deb464defb261cc7d8f
Sep 03 18:54:21.016 INFO running `"docker" "start" "-a" "9198c7db5069131e4ce0264132cb65ee7d36f230dd022deb464defb261cc7d8f"`
Sep 03 18:54:21.729 INFO kablam!     Checking chapter7 v0.1.0 (file:///source/chapter7)
Sep 03 18:54:21.730 INFO kablam!     Checking chapter10 v0.1.0 (file:///source/chapter10)
Sep 03 18:54:21.730 INFO kablam!     Checking chapter5 v0.1.0 (file:///source/chapter5)
Sep 03 18:54:21.730 INFO kablam!     Checking chapter6 v0.1.0 (file:///source/chapter6)
Sep 03 18:54:21.730 INFO kablam!     Checking chapter4 v0.1.0 (file:///source/chapter4)
Sep 03 18:54:21.730 INFO kablam!     Checking chapter9 v0.1.0 (file:///source/chapter9)
Sep 03 18:54:21.989 INFO kablam! warning: field is never used: `part`
Sep 03 18:54:21.989 INFO kablam!  --> chapter10/src/main.rs:5:5
Sep 03 18:54:21.989 INFO kablam!   |
Sep 03 18:54:21.989 INFO kablam! 5 |     part: &'a str,
Sep 03 18:54:21.989 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 03 18:54:21.989 INFO kablam!   |
Sep 03 18:54:21.989 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 03 18:54:21.989 INFO kablam! 
Sep 03 18:54:21.990 INFO kablam! warning: method is never used: `announce_and_return_part`
Sep 03 18:54:21.990 INFO kablam!   --> chapter10/src/main.rs:15:5
Sep 03 18:54:21.990 INFO kablam!    |
Sep 03 18:54:21.990 INFO kablam! 15 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
Sep 03 18:54:21.990 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:21.990 INFO kablam! 
Sep 03 18:54:22.003 INFO kablam! warning: unused variable: `user2`
Sep 03 18:54:22.003 INFO kablam!   --> chapter5/src/main.rs:12:9
Sep 03 18:54:22.003 INFO kablam!    |
Sep 03 18:54:22.003 INFO kablam! 12 |     let user2 = User {
Sep 03 18:54:22.003 INFO kablam!    |         ^^^^^ help: consider using `_user2` instead
Sep 03 18:54:22.003 INFO kablam!    |
Sep 03 18:54:22.003 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 18:54:22.003 INFO kablam! 
Sep 03 18:54:22.003 INFO kablam! warning: unused variable: `black`
Sep 03 18:54:22.003 INFO kablam!   --> chapter5/src/main.rs:21:9
Sep 03 18:54:22.003 INFO kablam!    |
Sep 03 18:54:22.003 INFO kablam! 21 |     let black = Color(0, 0, 0);
Sep 03 18:54:22.004 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Sep 03 18:54:22.004 INFO kablam! 
Sep 03 18:54:22.024 INFO kablam! warning: field is never used: `sign_in_count`
Sep 03 18:54:22.024 INFO kablam!   --> chapter5/src/main.rs:53:5
Sep 03 18:54:22.024 INFO kablam!    |
Sep 03 18:54:22.024 INFO kablam! 53 |     sign_in_count: u64,
Sep 03 18:54:22.024 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.024 INFO kablam!    |
Sep 03 18:54:22.024 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.024 INFO kablam! 
Sep 03 18:54:22.025 INFO kablam! warning: field is never used: `active`
Sep 03 18:54:22.025 INFO kablam!   --> chapter5/src/main.rs:54:5
Sep 03 18:54:22.025 INFO kablam!    |
Sep 03 18:54:22.025 INFO kablam! 54 |     active: bool,
Sep 03 18:54:22.025 INFO kablam!    |     ^^^^^^^^^^^^
Sep 03 18:54:22.025 INFO kablam! 
Sep 03 18:54:22.025 INFO kablam! warning: method is never used: `new`
Sep 03 18:54:22.025 INFO kablam!   --> chapter5/src/main.rs:67:5
Sep 03 18:54:22.025 INFO kablam!    |
Sep 03 18:54:22.025 INFO kablam! 67 |     fn new(email: String, username: String) -> User {
Sep 03 18:54:22.025 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.025 INFO kablam! 
Sep 03 18:54:22.025 INFO kablam! warning: method is never used: `square`
Sep 03 18:54:22.025 INFO kablam!   --> chapter5/src/main.rs:97:5
Sep 03 18:54:22.025 INFO kablam!    |
Sep 03 18:54:22.025 INFO kablam! 97 |     fn square(size: u32) -> Rectangle {
Sep 03 18:54:22.025 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.025 INFO kablam! 
Sep 03 18:54:22.026 INFO kablam! warning: method is never used: `widen`
Sep 03 18:54:22.026 INFO kablam!    --> chapter5/src/main.rs:105:5
Sep 03 18:54:22.026 INFO kablam!     |
Sep 03 18:54:22.026 INFO kablam! 105 |     fn widen(&mut self, n: u32) {
Sep 03 18:54:22.026 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.026 INFO kablam! 
Sep 03 18:54:22.026 INFO kablam! warning: method is never used: `takes_ownership`
Sep 03 18:54:22.026 INFO kablam!    --> chapter5/src/main.rs:109:5
Sep 03 18:54:22.026 INFO kablam!     |
Sep 03 18:54:22.027 INFO kablam! 109 |     fn takes_ownership(self) -> Rectangle {
Sep 03 18:54:22.027 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.027 INFO kablam! 
Sep 03 18:54:22.027 INFO kablam! warning: method is never used: `transform`
Sep 03 18:54:22.027 INFO kablam!    --> chapter5/src/main.rs:113:5
Sep 03 18:54:22.027 INFO kablam!     |
Sep 03 18:54:22.027 INFO kablam! 113 |     fn transform(self, w: u32, h: u32) -> Rectangle {
Sep 03 18:54:22.027 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.028 INFO kablam! 
Sep 03 18:54:22.038 INFO kablam!  warning: unused variable: `some_u8_value`
Sep 03 18:54:22.038 INFO kablam!   --> chapter6/src/main.rs:29:9
Sep 03 18:54:22.038 INFO kablam!    |
Sep 03 18:54:22.038 INFO kablam! 29 |     let some_u8_value = Some(0u8);
Sep 03 18:54:22.038 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead
Sep 03 18:54:22.038 INFO kablam!    |
Sep 03 18:54:22.038 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 18:54:22.038 INFO kablam! 
Sep 03 18:54:22.042 INFO kablam!    Checking chapter8 v0.1.0 (file:///source/chapter8)
Sep 03 18:54:22.064 INFO kablam! warning: variant is never constructed: `ChangeColor`
Sep 03 18:54:22.064 INFO kablam!   --> chapter6/src/main.rs:49:5
Sep 03 18:54:22.064 INFO kablam!    |
Sep 03 18:54:22.064 INFO kablam! 49 |     ChangeColor(i32, i32, i32),
Sep 03 18:54:22.064 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.072 INFO kablam!    |
Sep 03 18:54:22.072 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.073 INFO kablam! 
Sep 03 18:54:22.073 INFO kablam! warning: variant is never constructed: `Alabama`
Sep 03 18:54:22.073 INFO kablam!   --> chapter6/src/main.rs:59:5
Sep 03 18:54:22.073 INFO kablam!    |
Sep 03 18:54:22.073 INFO kablam! 59 |     Alabama,
Sep 03 18:54:22.073 INFO kablam!    |     ^^^^^^^
Sep 03 18:54:22.074 INFO kablam! 
Sep 03 18:54:22.074 INFO kablam! warning: variant is never constructed: `Nickel`
Sep 03 18:54:22.074 INFO kablam!   --> chapter6/src/main.rs:65:5
Sep 03 18:54:22.074 INFO kablam!    |
Sep 03 18:54:22.074 INFO kablam! 65 |     Nickel,
Sep 03 18:54:22.074 INFO kablam!    |     ^^^^^^
Sep 03 18:54:22.074 INFO kablam! 
Sep 03 18:54:22.075 INFO kablam! warning: variant is never constructed: `Dime`
Sep 03 18:54:22.075 INFO kablam!   --> chapter6/src/main.rs:66:5
Sep 03 18:54:22.075 INFO kablam!    |
Sep 03 18:54:22.075 INFO kablam! 66 |     Dime,
Sep 03 18:54:22.075 INFO kablam!    |     ^^^^
Sep 03 18:54:22.075 INFO kablam! 
Sep 03 18:54:22.097 INFO kablam! warning: unused variable: `s1`
Sep 03 18:54:22.097 INFO kablam!   --> chapter4/src/main.rs:75:9
Sep 03 18:54:22.097 INFO kablam!    |
Sep 03 18:54:22.097 INFO kablam! 75 |     let s1 = &mut s;
Sep 03 18:54:22.097 INFO kablam!    |         ^^ help: consider using `_s1` instead
Sep 03 18:54:22.097 INFO kablam!    |
Sep 03 18:54:22.098 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 18:54:22.098 INFO kablam! 
Sep 03 18:54:22.098 INFO kablam! warning: unused variable: `r1`
Sep 03 18:54:22.098 INFO kablam!   --> chapter4/src/main.rs:86:13
Sep 03 18:54:22.098 INFO kablam!    |
Sep 03 18:54:22.098 INFO kablam! 86 |         let r1 = &mut s;
Sep 03 18:54:22.098 INFO kablam!    |             ^^ help: consider using `_r1` instead
Sep 03 18:54:22.099 INFO kablam! 
Sep 03 18:54:22.099 INFO kablam! warning: unused variable: `r2`
Sep 03 18:54:22.099 INFO kablam!   --> chapter4/src/main.rs:88:9
Sep 03 18:54:22.099 INFO kablam!    |
Sep 03 18:54:22.099 INFO kablam! 88 |     let r2 = &mut s;
Sep 03 18:54:22.099 INFO kablam!    |         ^^ help: consider using `_r2` instead
Sep 03 18:54:22.099 INFO kablam! 
Sep 03 18:54:22.100 INFO kablam! warning: unused variable: `r1`
Sep 03 18:54:22.100 INFO kablam!   --> chapter4/src/main.rs:92:9
Sep 03 18:54:22.100 INFO kablam!    |
Sep 03 18:54:22.100 INFO kablam! 92 |     let r1 = &s;
Sep 03 18:54:22.100 INFO kablam!    |         ^^ help: consider using `_r1` instead
Sep 03 18:54:22.100 INFO kablam! 
Sep 03 18:54:22.101 INFO kablam! warning: unused variable: `r2`
Sep 03 18:54:22.101 INFO kablam!   --> chapter4/src/main.rs:94:9
Sep 03 18:54:22.101 INFO kablam!    |
Sep 03 18:54:22.101 INFO kablam! 94 |     let r2 = &s;
Sep 03 18:54:22.101 INFO kablam!    |         ^^ help: consider using `_r2` instead
Sep 03 18:54:22.101 INFO kablam! 
Sep 03 18:54:22.138 INFO kablam! warning: variable does not need to be mutable
Sep 03 18:54:22.138 INFO kablam!   --> chapter4/src/main.rs:90:9
Sep 03 18:54:22.138 INFO kablam!    |
Sep 03 18:54:22.138 INFO kablam! 90 |     let mut s = String::from("hello");
Sep 03 18:54:22.138 INFO kablam!    |         ----^
Sep 03 18:54:22.138 INFO kablam!    |         |
Sep 03 18:54:22.138 INFO kablam!    |         help: remove this `mut`
Sep 03 18:54:22.139 INFO kablam!    |
Sep 03 18:54:22.139 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 18:54:22.139 INFO kablam! 
Sep 03 18:54:22.140 INFO kablam! warning: variable does not need to be mutable
Sep 03 18:54:22.140 INFO kablam!    --> chapter4/src/main.rs:108:9
Sep 03 18:54:22.140 INFO kablam!     |
Sep 03 18:54:22.140 INFO kablam! 108 |     let mut s = String::from("hello world");
Sep 03 18:54:22.140 INFO kablam!     |         ----^
Sep 03 18:54:22.140 INFO kablam!     |         |
Sep 03 18:54:22.140 INFO kablam!     |         help: remove this `mut`
Sep 03 18:54:22.140 INFO kablam! 
Sep 03 18:54:22.159 INFO kablam! warning: function is never used: `no_dangle`
Sep 03 18:54:22.159 INFO kablam!    --> chapter4/src/main.rs:168:1
Sep 03 18:54:22.159 INFO kablam!     |
Sep 03 18:54:22.159 INFO kablam! 168 | fn no_dangle() -> String {
Sep 03 18:54:22.159 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.159 INFO kablam!     |
Sep 03 18:54:22.159 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.160 INFO kablam! 
Sep 03 18:54:22.163 INFO kablam! warning: unused variable: `some_u8_value`
Sep 03 18:54:22.163 INFO kablam!   --> chapter6/src/main.rs:29:9
Sep 03 18:54:22.163 INFO kablam!    |
Sep 03 18:54:22.163 INFO kablam! 29 |     let some_u8_value = Some(0u8);
Sep 03 18:54:22.163 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead
Sep 03 18:54:22.163 INFO kablam!    |
Sep 03 18:54:22.163 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 18:54:22.164 INFO kablam! 
Sep 03 18:54:22.194 INFO kablam! warning: variant is never constructed: `ChangeColor`
Sep 03 18:54:22.194 INFO kablam!   --> chapter6/src/main.rs:49:5
Sep 03 18:54:22.194 INFO kablam!    |
Sep 03 18:54:22.194 INFO kablam! 49 |     ChangeColor(i32, i32, i32),
Sep 03 18:54:22.194 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.197 INFO kablam!    |
Sep 03 18:54:22.197 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.198 INFO kablam! 
Sep 03 18:54:22.198 INFO kablam! warning: variant is never constructed: `Alabama`
Sep 03 18:54:22.198 INFO kablam!   --> chapter6/src/main.rs:59:5
Sep 03 18:54:22.198 INFO kablam!    |
Sep 03 18:54:22.198 INFO kablam! 59 |     Alabama,
Sep 03 18:54:22.198 INFO kablam!    |     ^^^^^^^
Sep 03 18:54:22.198 INFO kablam! 
Sep 03 18:54:22.199 INFO kablam! warning: variant is never constructed: `Nickel`
Sep 03 18:54:22.199 INFO kablam!   --> chapter6/src/main.rs:65:5
Sep 03 18:54:22.199 INFO kablam!    |
Sep 03 18:54:22.199 INFO kablam! 65 |     Nickel,
Sep 03 18:54:22.199 INFO kablam!    |     ^^^^^^
Sep 03 18:54:22.199 INFO kablam! 
Sep 03 18:54:22.200 INFO kablam! warning: variant is never constructed: `Dime`
Sep 03 18:54:22.200 INFO kablam!   --> chapter6/src/main.rs:66:5
Sep 03 18:54:22.200 INFO kablam!    |
Sep 03 18:54:22.200 INFO kablam! 66 |     Dime,
Sep 03 18:54:22.200 INFO kablam!    |     ^^^^
Sep 03 18:54:22.200 INFO kablam! 
Sep 03 18:54:22.371 INFO kablam! warning: field is never used: `part`
Sep 03 18:54:22.371 INFO kablam!  --> chapter10/src/main.rs:5:5
Sep 03 18:54:22.371 INFO kablam!   |
Sep 03 18:54:22.371 INFO kablam! 5 |     part: &'a str,
Sep 03 18:54:22.371 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 03 18:54:22.371 INFO kablam!   |
Sep 03 18:54:22.371 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.371 INFO kablam! 
Sep 03 18:54:22.372 INFO kablam! warning: method is never used: `announce_and_return_part`
Sep 03 18:54:22.372 INFO kablam!   --> chapter10/src/main.rs:15:5
Sep 03 18:54:22.372 INFO kablam!    |
Sep 03 18:54:22.372 INFO kablam! 15 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
Sep 03 18:54:22.372 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.372 INFO kablam! 
Sep 03 18:54:22.507 INFO kablam! warning: unused variable: `s1`
Sep 03 18:54:22.507 INFO kablam!   --> chapter4/src/main.rs:75:9
Sep 03 18:54:22.507 INFO kablam!    |
Sep 03 18:54:22.507 INFO kablam! 75 |     let s1 = &mut s;
Sep 03 18:54:22.507 INFO kablam!    |         ^^ help: consider using `_s1` instead
Sep 03 18:54:22.507 INFO kablam!    |
Sep 03 18:54:22.507 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 18:54:22.507 INFO kablam! 
Sep 03 18:54:22.507 INFO kablam! warning: unused variable: `r1`
Sep 03 18:54:22.507 INFO kablam!   --> chapter4/src/main.rs:86:13
Sep 03 18:54:22.507 INFO kablam!    |
Sep 03 18:54:22.507 INFO kablam! 86 |         let r1 = &mut s;
Sep 03 18:54:22.507 INFO kablam!    |             ^^ help: consider using `_r1` instead
Sep 03 18:54:22.507 INFO kablam! 
Sep 03 18:54:22.508 INFO kablam! warning: unused variable: `r2`
Sep 03 18:54:22.508 INFO kablam!   --> chapter4/src/main.rs:88:9
Sep 03 18:54:22.508 INFO kablam!    |
Sep 03 18:54:22.508 INFO kablam! 88 |     let r2 = &mut s;
Sep 03 18:54:22.508 INFO kablam!    |         ^^ help: consider using `_r2` instead
Sep 03 18:54:22.508 INFO kablam! 
Sep 03 18:54:22.508 INFO kablam! warning: unused variable: `r1`
Sep 03 18:54:22.508 INFO kablam!   --> chapter4/src/main.rs:92:9
Sep 03 18:54:22.508 INFO kablam!    |
Sep 03 18:54:22.508 INFO kablam! 92 |     let r1 = &s;
Sep 03 18:54:22.508 INFO kablam!    |         ^^ help: consider using `_r1` instead
Sep 03 18:54:22.508 INFO kablam! 
Sep 03 18:54:22.508 INFO kablam! warning: unused variable: `r2`
Sep 03 18:54:22.509 INFO kablam!   --> chapter4/src/main.rs:94:9
Sep 03 18:54:22.509 INFO kablam!    |
Sep 03 18:54:22.509 INFO kablam! 94 |     let r2 = &s;
Sep 03 18:54:22.509 INFO kablam!    |         ^^ help: consider using `_r2` instead
Sep 03 18:54:22.509 INFO kablam! 
Sep 03 18:54:22.571 INFO kablam! warning: variable does not need to be mutable
Sep 03 18:54:22.571 INFO kablam!   --> chapter4/src/main.rs:90:9
Sep 03 18:54:22.571 INFO kablam!    |
Sep 03 18:54:22.571 INFO kablam! 90 |     let mut s = String::from("hello");
Sep 03 18:54:22.571 INFO kablam!    |         ----^
Sep 03 18:54:22.571 INFO kablam!    |         |
Sep 03 18:54:22.571 INFO kablam!    |         help: remove this `mut`
Sep 03 18:54:22.571 INFO kablam!    |
Sep 03 18:54:22.571 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 18:54:22.571 INFO kablam! 
Sep 03 18:54:22.572 INFO kablam! warning: variable does not need to be mutable
Sep 03 18:54:22.572 INFO kablam!    --> chapter4/src/main.rs:108:9
Sep 03 18:54:22.572 INFO kablam!     |
Sep 03 18:54:22.572 INFO kablam! 108 |     let mut s = String::from("hello world");
Sep 03 18:54:22.572 INFO kablam!     |         ----^
Sep 03 18:54:22.572 INFO kablam!     |         |
Sep 03 18:54:22.572 INFO kablam!     |         help: remove this `mut`
Sep 03 18:54:22.572 INFO kablam! 
Sep 03 18:54:22.582 INFO kablam! warning: function is never used: `no_dangle`
Sep 03 18:54:22.582 INFO kablam!    --> chapter4/src/main.rs:168:1
Sep 03 18:54:22.582 INFO kablam!     |
Sep 03 18:54:22.582 INFO kablam! 168 | fn no_dangle() -> String {
Sep 03 18:54:22.582 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.582 INFO kablam!     |
Sep 03 18:54:22.582 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.582 INFO kablam! 
Sep 03 18:54:22.640 INFO kablam! warning: unused variable: `user2`
Sep 03 18:54:22.640 INFO kablam!   --> chapter5/src/main.rs:12:9
Sep 03 18:54:22.640 INFO kablam!    |
Sep 03 18:54:22.640 INFO kablam! 12 |     let user2 = User {
Sep 03 18:54:22.640 INFO kablam!    |         ^^^^^ help: consider using `_user2` instead
Sep 03 18:54:22.640 INFO kablam!    |
Sep 03 18:54:22.640 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 18:54:22.640 INFO kablam! 
Sep 03 18:54:22.640 INFO kablam! warning: unused variable: `black`
Sep 03 18:54:22.640 INFO kablam!   --> chapter5/src/main.rs:21:9
Sep 03 18:54:22.640 INFO kablam!    |
Sep 03 18:54:22.640 INFO kablam! 21 |     let black = Color(0, 0, 0);
Sep 03 18:54:22.640 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Sep 03 18:54:22.641 INFO kablam! 
Sep 03 18:54:22.660 INFO kablam! warning: field is never used: `sign_in_count`
Sep 03 18:54:22.660 INFO kablam!   --> chapter5/src/main.rs:53:5
Sep 03 18:54:22.660 INFO kablam!    |
Sep 03 18:54:22.661 INFO kablam! 53 |     sign_in_count: u64,
Sep 03 18:54:22.661 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.661 INFO kablam!    |
Sep 03 18:54:22.661 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 18:54:22.661 INFO kablam! 
Sep 03 18:54:22.661 INFO kablam! warning: field is never used: `active`
Sep 03 18:54:22.661 INFO kablam!   --> chapter5/src/main.rs:54:5
Sep 03 18:54:22.661 INFO kablam!    |
Sep 03 18:54:22.661 INFO kablam! 54 |     active: bool,
Sep 03 18:54:22.661 INFO kablam!    |     ^^^^^^^^^^^^
Sep 03 18:54:22.661 INFO kablam! 
Sep 03 18:54:22.661 INFO kablam! warning: method is never used: `new`
Sep 03 18:54:22.661 INFO kablam!   --> chapter5/src/main.rs:67:5
Sep 03 18:54:22.662 INFO kablam!    |
Sep 03 18:54:22.662 INFO kablam! 67 |     fn new(email: String, username: String) -> User {
Sep 03 18:54:22.662 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.662 INFO kablam! 
Sep 03 18:54:22.662 INFO kablam! warning: method is never used: `square`
Sep 03 18:54:22.662 INFO kablam!   --> chapter5/src/main.rs:97:5
Sep 03 18:54:22.662 INFO kablam!    |
Sep 03 18:54:22.662 INFO kablam! 97 |     fn square(size: u32) -> Rectangle {
Sep 03 18:54:22.662 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.662 INFO kablam! 
Sep 03 18:54:22.663 INFO kablam! warning: method is never used: `widen`
Sep 03 18:54:22.663 INFO kablam!    --> chapter5/src/main.rs:105:5
Sep 03 18:54:22.663 INFO kablam!     |
Sep 03 18:54:22.663 INFO kablam! 105 |     fn widen(&mut self, n: u32) {
Sep 03 18:54:22.663 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.663 INFO kablam! 
Sep 03 18:54:22.663 INFO kablam! warning: method is never used: `takes_ownership`
Sep 03 18:54:22.663 INFO kablam!    --> chapter5/src/main.rs:109:5
Sep 03 18:54:22.663 INFO kablam!     |
Sep 03 18:54:22.664 INFO kablam! 109 |     fn takes_ownership(self) -> Rectangle {
Sep 03 18:54:22.664 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.664 INFO kablam! 
Sep 03 18:54:22.664 INFO kablam! warning: method is never used: `transform`
Sep 03 18:54:22.664 INFO kablam!    --> chapter5/src/main.rs:113:5
Sep 03 18:54:22.664 INFO kablam!     |
Sep 03 18:54:22.664 INFO kablam! 113 |     fn transform(self, w: u32, h: u32) -> Rectangle {
Sep 03 18:54:22.664 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 18:54:22.665 INFO kablam! 
Sep 03 18:54:22.667 INFO kablam! warning: variable does not need to be mutable
Sep 03 18:54:22.667 INFO kablam!   --> chapter8/src/main.rs:26:9
Sep 03 18:54:22.667 INFO kablam!    |
Sep 03 18:54:22.667 INFO kablam! 26 |     let mut v = vec![1, 2, 3, 4, 5];
Sep 03 18:54:22.667 INFO kablam!    |         ----^
Sep 03 18:54:22.667 INFO kablam!    |         |
Sep 03 18:54:22.667 INFO kablam!    |         help: remove this `mut`
Sep 03 18:54:22.667 INFO kablam!    |
Sep 03 18:54:22.667 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 18:54:22.667 INFO kablam! 
Sep 03 18:54:22.933 INFO kablam! warning: variable does not need to be mutable
Sep 03 18:54:22.933 INFO kablam!   --> chapter8/src/main.rs:26:9
Sep 03 18:54:22.933 INFO kablam!    |
Sep 03 18:54:22.933 INFO kablam! 26 |     let mut v = vec![1, 2, 3, 4, 5];
Sep 03 18:54:22.933 INFO kablam!    |         ----^
Sep 03 18:54:22.933 INFO kablam!    |         |
Sep 03 18:54:22.933 INFO kablam!    |         help: remove this `mut`
Sep 03 18:54:22.933 INFO kablam!    |
Sep 03 18:54:22.933 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 18:54:22.933 INFO kablam! 
Sep 03 18:54:22.993 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Sep 03 18:54:23.001 INFO kablam! su: No module specific data is present
Sep 03 18:54:23.581 INFO running `"docker" "rm" "-f" "9198c7db5069131e4ce0264132cb65ee7d36f230dd022deb464defb261cc7d8f"`
Sep 03 18:54:23.668 INFO blam! 9198c7db5069131e4ce0264132cb65ee7d36f230dd022deb464defb261cc7d8f