Aug 29 15:35:06.456 INFO checking yuya373/trpl against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 29 15:35:06.456 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 29 15:35:06.456 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 15:35:06.663 INFO blam! c013ddf0759b1078cc8656b6fbe00c78ea4e712571d0636e629606fc5a8cb8c8
Aug 29 15:35:06.665 INFO running `"docker" "start" "-a" "c013ddf0759b1078cc8656b6fbe00c78ea4e712571d0636e629606fc5a8cb8c8"`
Aug 29 15:35:07.327 INFO kablam!     Checking chapter7 v0.1.0 (file:///source/chapter7)
Aug 29 15:35:07.327 INFO kablam!     Checking chapter6 v0.1.0 (file:///source/chapter6)
Aug 29 15:35:07.336 INFO kablam!     Checking chapter10 v0.1.0 (file:///source/chapter10)
Aug 29 15:35:07.336 INFO kablam!     Checking chapter8 v0.1.0 (file:///source/chapter8)
Aug 29 15:35:07.337 INFO kablam!     Checking chapter9 v0.1.0 (file:///source/chapter9)
Aug 29 15:35:07.344 INFO kablam!     Checking chapter4 v0.1.0 (file:///source/chapter4)
Aug 29 15:35:07.857 INFO kablam! warning: field is never used: `part`
Aug 29 15:35:07.857 INFO kablam!  --> chapter10/src/main.rs:5:5
Aug 29 15:35:07.857 INFO kablam!   |
Aug 29 15:35:07.857 INFO kablam! 5 |     part: &'a str,
Aug 29 15:35:07.857 INFO kablam!   |     ^^^^^^^^^^^^^
Aug 29 15:35:07.868 INFO kablam!   |
Aug 29 15:35:07.868 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 15:35:07.868 INFO kablam! 
Aug 29 15:35:07.869 INFO kablam! warning: method is never used: `announce_and_return_part`
Aug 29 15:35:07.869 INFO kablam!   --> chapter10/src/main.rs:15:5
Aug 29 15:35:07.869 INFO kablam!    |
Aug 29 15:35:07.869 INFO kablam! 15 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
Aug 29 15:35:07.869 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:07.869 INFO kablam! 
Aug 29 15:35:08.148 INFO kablam! warning: unused variable: `some_u8_value`
Aug 29 15:35:08.148 INFO kablam!   --> chapter6/src/main.rs:29:9
Aug 29 15:35:08.148 INFO kablam!    |
Aug 29 15:35:08.148 INFO kablam! 29 |     let some_u8_value = Some(0u8);
Aug 29 15:35:08.149 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead
Aug 29 15:35:08.150 INFO kablam! warning: unused variable: `some_u8_value`
Aug 29 15:35:08.150 INFO kablam!   --> chapter6/src/main.rs:29:9
Aug 29 15:35:08.150 INFO kablam!    |
Aug 29 15:35:08.151 INFO kablam! 29 |     let some_u8_value = Some(0u8);
Aug 29 15:35:08.151 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead
Aug 29 15:35:08.158 INFO kablam!    |
Aug 29 15:35:08.158 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 15:35:08.159 INFO kablam! 
Aug 29 15:35:08.160 INFO kablam!    |
Aug 29 15:35:08.160 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 15:35:08.160 INFO kablam! 
Aug 29 15:35:08.207 INFO kablam! warning: variant is never constructed: `ChangeColor`
Aug 29 15:35:08.207 INFO kablam!   --> chapter6/src/main.rs:49:5
Aug 29 15:35:08.207 INFO kablam!    |
Aug 29 15:35:08.207 INFO kablam! 49 |     ChangeColor(i32, i32, i32),
Aug 29 15:35:08.207 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.208 INFO kablam!    |
Aug 29 15:35:08.208 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.209 INFO kablam! 
Aug 29 15:35:08.209 INFO kablam! warning: variant is never constructed: `Alabama`
Aug 29 15:35:08.209 INFO kablam!   --> chapter6/src/main.rs:59:5
Aug 29 15:35:08.209 INFO kablam!    |
Aug 29 15:35:08.209 INFO kablam! 59 |     Alabama,
Aug 29 15:35:08.209 INFO kablam!    |     ^^^^^^^
Aug 29 15:35:08.210 INFO kablam! 
Aug 29 15:35:08.210 INFO kablam! warning: variant is never constructed: `Nickel`
Aug 29 15:35:08.210 INFO kablam!   --> chapter6/src/main.rs:65:5
Aug 29 15:35:08.210 INFO kablam!    |
Aug 29 15:35:08.210 INFO kablam! 65 |     Nickel,
Aug 29 15:35:08.210 INFO kablam!    |     ^^^^^^
Aug 29 15:35:08.211 INFO kablam! 
Aug 29 15:35:08.211 INFO kablam! warning: variant is never constructed: `Dime`
Aug 29 15:35:08.211 INFO kablam!   --> chapter6/src/main.rs:66:5
Aug 29 15:35:08.211 INFO kablam!    |
Aug 29 15:35:08.211 INFO kablam! 66 |     Dime,
Aug 29 15:35:08.211 INFO kablam!    |     ^^^^
Aug 29 15:35:08.211 INFO kablam! 
Aug 29 15:35:08.217 INFO kablam! warning: variant is never constructed: `ChangeColor`
Aug 29 15:35:08.217 INFO kablam!   --> chapter6/src/main.rs:49:5
Aug 29 15:35:08.217 INFO kablam!    |
Aug 29 15:35:08.217 INFO kablam! 49 |     ChangeColor(i32, i32, i32),
Aug 29 15:35:08.217 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.217 INFO kablam!    |
Aug 29 15:35:08.217 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.217 INFO kablam! 
Aug 29 15:35:08.218 INFO kablam! warning: variant is never constructed: `Alabama`
Aug 29 15:35:08.218 INFO kablam!   --> chapter6/src/main.rs:59:5
Aug 29 15:35:08.218 INFO kablam!    |
Aug 29 15:35:08.218 INFO kablam! 59 |     Alabama,
Aug 29 15:35:08.218 INFO kablam!    |     ^^^^^^^
Aug 29 15:35:08.218 INFO kablam! 
Aug 29 15:35:08.218 INFO kablam! warning: variant is never constructed: `Nickel`
Aug 29 15:35:08.218 INFO kablam!   --> chapter6/src/main.rs:65:5
Aug 29 15:35:08.218 INFO kablam!    |
Aug 29 15:35:08.218 INFO kablam! 65 |     Nickel,
Aug 29 15:35:08.219 INFO kablam!    |     ^^^^^^
Aug 29 15:35:08.219 INFO kablam! 
Aug 29 15:35:08.219 INFO kablam! warning: variant is never constructed: `Dime`
Aug 29 15:35:08.219 INFO kablam!   --> chapter6/src/main.rs:66:5
Aug 29 15:35:08.219 INFO kablam!    |
Aug 29 15:35:08.219 INFO kablam! 66 |     Dime,
Aug 29 15:35:08.219 INFO kablam!    |     ^^^^
Aug 29 15:35:08.219 INFO kablam! 
Aug 29 15:35:08.236 INFO kablam!     Checking chapter5 v0.1.0 (file:///source/chapter5)
Aug 29 15:35:08.361 INFO kablam! warning: unused variable: `s1`
Aug 29 15:35:08.361 INFO kablam!   --> chapter4/src/main.rs:75:9
Aug 29 15:35:08.361 INFO kablam!    |
Aug 29 15:35:08.361 INFO kablam! 75 |     let s1 = &mut s;
Aug 29 15:35:08.361 INFO kablam!    |         ^^ help: consider using `_s1` instead
Aug 29 15:35:08.361 INFO kablam!    |
Aug 29 15:35:08.361 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 15:35:08.361 INFO kablam! 
Aug 29 15:35:08.362 INFO kablam! warning: unused variable: `r1`
Aug 29 15:35:08.362 INFO kablam!   --> chapter4/src/main.rs:86:13
Aug 29 15:35:08.362 INFO kablam!    |
Aug 29 15:35:08.362 INFO kablam! 86 |         let r1 = &mut s;
Aug 29 15:35:08.362 INFO kablam!    |             ^^ help: consider using `_r1` instead
Aug 29 15:35:08.362 INFO kablam! 
Aug 29 15:35:08.362 INFO kablam! warning: unused variable: `r2`
Aug 29 15:35:08.362 INFO kablam!   --> chapter4/src/main.rs:88:9
Aug 29 15:35:08.362 INFO kablam!    |
Aug 29 15:35:08.362 INFO kablam! 88 |     let r2 = &mut s;
Aug 29 15:35:08.362 INFO kablam!    |         ^^ help: consider using `_r2` instead
Aug 29 15:35:08.362 INFO kablam! 
Aug 29 15:35:08.362 INFO kablam! warning: unused variable: `r1`
Aug 29 15:35:08.362 INFO kablam!   --> chapter4/src/main.rs:92:9
Aug 29 15:35:08.363 INFO kablam!    |
Aug 29 15:35:08.363 INFO kablam! 92 |     let r1 = &s;
Aug 29 15:35:08.363 INFO kablam!    |         ^^ help: consider using `_r1` instead
Aug 29 15:35:08.363 INFO kablam! 
Aug 29 15:35:08.363 INFO kablam! warning: unused variable: `r2`
Aug 29 15:35:08.363 INFO kablam!   --> chapter4/src/main.rs:94:9
Aug 29 15:35:08.363 INFO kablam!    |
Aug 29 15:35:08.363 INFO kablam! 94 |     let r2 = &s;
Aug 29 15:35:08.363 INFO kablam!    |         ^^ help: consider using `_r2` instead
Aug 29 15:35:08.363 INFO kablam! 
Aug 29 15:35:08.458 INFO kablam! warning: variable does not need to be mutable
Aug 29 15:35:08.458 INFO kablam!   --> chapter4/src/main.rs:90:9
Aug 29 15:35:08.458 INFO kablam!    |
Aug 29 15:35:08.459 INFO kablam! 90 |     let mut s = String::from("hello");
Aug 29 15:35:08.459 INFO kablam!    |         ----^
Aug 29 15:35:08.459 INFO kablam!    |         |
Aug 29 15:35:08.459 INFO kablam!    |         help: remove this `mut`
Aug 29 15:35:08.468 INFO kablam!    |
Aug 29 15:35:08.468 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 15:35:08.469 INFO kablam! 
Aug 29 15:35:08.469 INFO kablam! warning: unused variable: `user2`
Aug 29 15:35:08.469 INFO kablam!   --> chapter5/src/main.rs:12:9
Aug 29 15:35:08.469 INFO kablam!    |
Aug 29 15:35:08.469 INFO kablam! 12 |     let user2 = User {
Aug 29 15:35:08.469 INFO kablam!    |         ^^^^^ help: consider using `_user2` instead
Aug 29 15:35:08.469 INFO kablam!    |
Aug 29 15:35:08.469 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 15:35:08.469 INFO kablam! 
Aug 29 15:35:08.470 INFO kablam! warning: unused variable: `black`
Aug 29 15:35:08.470 INFO kablam!   --> chapter5/src/main.rs:21:9
Aug 29 15:35:08.470 INFO kablam!    |
Aug 29 15:35:08.470 INFO kablam! 21 |     let black = Color(0, 0, 0);
Aug 29 15:35:08.470 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Aug 29 15:35:08.470 INFO kablam! 
Aug 29 15:35:08.470 INFO kablam! warning: variable does not need to be mutable
Aug 29 15:35:08.470 INFO kablam!    --> chapter4/src/main.rs:108:9
Aug 29 15:35:08.470 INFO kablam!     |
Aug 29 15:35:08.470 INFO kablam! 108 |     let mut s = String::from("hello world");
Aug 29 15:35:08.470 INFO kablam!     |         ----^
Aug 29 15:35:08.470 INFO kablam!     |         |
Aug 29 15:35:08.470 INFO kablam!     |         help: remove this `mut`
Aug 29 15:35:08.471 INFO kablam! 
Aug 29 15:35:08.489 INFO kablam! warning: function is never used: `no_dangle`
Aug 29 15:35:08.489 INFO kablam!    --> chapter4/src/main.rs:168:1
Aug 29 15:35:08.489 INFO kablam!     |
Aug 29 15:35:08.489 INFO kablam! 168 | fn no_dangle() -> String {
Aug 29 15:35:08.489 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.489 INFO kablam!     |
Aug 29 15:35:08.490 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.490 INFO kablam! 
Aug 29 15:35:08.491 INFO kablam! warning: field is never used: `sign_in_count`
Aug 29 15:35:08.491 INFO kablam!   --> chapter5/src/main.rs:53:5
Aug 29 15:35:08.491 INFO kablam!    |
Aug 29 15:35:08.491 INFO kablam! 53 |     sign_in_count: u64,
Aug 29 15:35:08.491 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.491 INFO kablam!    |
Aug 29 15:35:08.491 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.491 INFO kablam! 
Aug 29 15:35:08.491 INFO kablam! warning: field is never used: `active`
Aug 29 15:35:08.491 INFO kablam!   --> chapter5/src/main.rs:54:5
Aug 29 15:35:08.491 INFO kablam!    |
Aug 29 15:35:08.491 INFO kablam! 54 |     active: bool,
Aug 29 15:35:08.492 INFO kablam!    |     ^^^^^^^^^^^^
Aug 29 15:35:08.492 INFO kablam! 
Aug 29 15:35:08.492 INFO kablam! warning: method is never used: `new`
Aug 29 15:35:08.492 INFO kablam!   --> chapter5/src/main.rs:67:5
Aug 29 15:35:08.492 INFO kablam!    |
Aug 29 15:35:08.492 INFO kablam! 67 |     fn new(email: String, username: String) -> User {
Aug 29 15:35:08.492 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.492 INFO kablam! 
Aug 29 15:35:08.492 INFO kablam! warning: method is never used: `square`
Aug 29 15:35:08.492 INFO kablam!   --> chapter5/src/main.rs:97:5
Aug 29 15:35:08.492 INFO kablam!    |
Aug 29 15:35:08.492 INFO kablam! 97 |     fn square(size: u32) -> Rectangle {
Aug 29 15:35:08.492 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.492 INFO kablam! 
Aug 29 15:35:08.492 INFO kablam! warning: method is never used: `widen`
Aug 29 15:35:08.492 INFO kablam!    --> chapter5/src/main.rs:105:5
Aug 29 15:35:08.492 INFO kablam!     |
Aug 29 15:35:08.492 INFO kablam! 105 |     fn widen(&mut self, n: u32) {
Aug 29 15:35:08.492 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.492 INFO kablam! 
Aug 29 15:35:08.492 INFO kablam! warning: method is never used: `takes_ownership`
Aug 29 15:35:08.492 INFO kablam!    --> chapter5/src/main.rs:109:5
Aug 29 15:35:08.492 INFO kablam!     |
Aug 29 15:35:08.492 INFO kablam! 109 |     fn takes_ownership(self) -> Rectangle {
Aug 29 15:35:08.492 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.493 INFO kablam! 
Aug 29 15:35:08.493 INFO kablam! warning: method is never used: `transform`
Aug 29 15:35:08.493 INFO kablam!    --> chapter5/src/main.rs:113:5
Aug 29 15:35:08.493 INFO kablam!     |
Aug 29 15:35:08.493 INFO kablam! 113 |     fn transform(self, w: u32, h: u32) -> Rectangle {
Aug 29 15:35:08.493 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.493 INFO kablam! 
Aug 29 15:35:08.530 INFO kablam! warning: unused variable: `s1`
Aug 29 15:35:08.530 INFO kablam!   --> chapter4/src/main.rs:75:9
Aug 29 15:35:08.530 INFO kablam!    |
Aug 29 15:35:08.530 INFO kablam! 75 |     let s1 = &mut s;
Aug 29 15:35:08.530 INFO kablam!    |         ^^ help: consider using `_s1` instead
Aug 29 15:35:08.530 INFO kablam!    |
Aug 29 15:35:08.530 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 15:35:08.530 INFO kablam! 
Aug 29 15:35:08.530 INFO kablam! warning: unused variable: `r1`
Aug 29 15:35:08.530 INFO kablam!   --> chapter4/src/main.rs:86:13
Aug 29 15:35:08.530 INFO kablam!    |
Aug 29 15:35:08.530 INFO kablam! 86 |         let r1 = &mut s;
Aug 29 15:35:08.530 INFO kablam!    |             ^^ help: consider using `_r1` instead
Aug 29 15:35:08.530 INFO kablam! 
Aug 29 15:35:08.530 INFO kablam! warning: unused variable: `r2`
Aug 29 15:35:08.530 INFO kablam!   --> chapter4/src/main.rs:88:9
Aug 29 15:35:08.530 INFO kablam!    |
Aug 29 15:35:08.530 INFO kablam! 88 |     let r2 = &mut s;
Aug 29 15:35:08.530 INFO kablam!    |         ^^ help: consider using `_r2` instead
Aug 29 15:35:08.530 INFO kablam! 
Aug 29 15:35:08.530 INFO kablam! warning: unused variable: `r1`
Aug 29 15:35:08.531 INFO kablam!   --> chapter4/src/main.rs:92:9
Aug 29 15:35:08.531 INFO kablam!    |
Aug 29 15:35:08.531 INFO kablam! 92 |     let r1 = &s;
Aug 29 15:35:08.531 INFO kablam!    |         ^^ help: consider using `_r1` instead
Aug 29 15:35:08.531 INFO kablam! 
Aug 29 15:35:08.531 INFO kablam! warning: unused variable: `r2`
Aug 29 15:35:08.531 INFO kablam!   --> chapter4/src/main.rs:94:9
Aug 29 15:35:08.531 INFO kablam!    |
Aug 29 15:35:08.531 INFO kablam! 94 |     let r2 = &s;
Aug 29 15:35:08.531 INFO kablam!    |         ^^ help: consider using `_r2` instead
Aug 29 15:35:08.531 INFO kablam! 
Aug 29 15:35:08.559 INFO kablam! warning: variable does not need to be mutable
Aug 29 15:35:08.559 INFO kablam!   --> chapter4/src/main.rs:90:9
Aug 29 15:35:08.559 INFO kablam!    |
Aug 29 15:35:08.559 INFO kablam! 90 |     let mut s = String::from("hello");
Aug 29 15:35:08.559 INFO kablam!    |         ----^
Aug 29 15:35:08.559 INFO kablam!    |         |
Aug 29 15:35:08.559 INFO kablam!    |         help: remove this `mut`
Aug 29 15:35:08.559 INFO kablam!    |
Aug 29 15:35:08.559 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 15:35:08.559 INFO kablam! 
Aug 29 15:35:08.559 INFO kablam! warning: variable does not need to be mutable
Aug 29 15:35:08.559 INFO kablam!    --> chapter4/src/main.rs:108:9
Aug 29 15:35:08.559 INFO kablam!     |
Aug 29 15:35:08.559 INFO kablam! 108 |     let mut s = String::from("hello world");
Aug 29 15:35:08.559 INFO kablam!     |         ----^
Aug 29 15:35:08.559 INFO kablam!     |         |
Aug 29 15:35:08.559 INFO kablam!     |         help: remove this `mut`
Aug 29 15:35:08.559 INFO kablam! 
Aug 29 15:35:08.570 INFO kablam! warning: function is never used: `no_dangle`
Aug 29 15:35:08.570 INFO kablam!    --> chapter4/src/main.rs:168:1
Aug 29 15:35:08.570 INFO kablam!     |
Aug 29 15:35:08.570 INFO kablam! 168 | fn no_dangle() -> String {
Aug 29 15:35:08.570 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.570 INFO kablam!     |
Aug 29 15:35:08.570 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.570 INFO kablam! 
Aug 29 15:35:08.592 INFO kablam! warning: unused variable: `user2`
Aug 29 15:35:08.592 INFO kablam!   --> chapter5/src/main.rs:12:9
Aug 29 15:35:08.592 INFO kablam!    |
Aug 29 15:35:08.592 INFO kablam! 12 |     let user2 = User {
Aug 29 15:35:08.592 INFO kablam!    |         ^^^^^ help: consider using `_user2` instead
Aug 29 15:35:08.593 INFO kablam!    |
Aug 29 15:35:08.593 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 15:35:08.593 INFO kablam! 
Aug 29 15:35:08.593 INFO kablam! warning: unused variable: `black`
Aug 29 15:35:08.593 INFO kablam!   --> chapter5/src/main.rs:21:9
Aug 29 15:35:08.593 INFO kablam!    |
Aug 29 15:35:08.593 INFO kablam! 21 |     let black = Color(0, 0, 0);
Aug 29 15:35:08.593 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Aug 29 15:35:08.593 INFO kablam! 
Aug 29 15:35:08.612 INFO kablam! warning: variable does not need to be mutable
Aug 29 15:35:08.613 INFO kablam!   --> chapter8/src/main.rs:26:9
Aug 29 15:35:08.613 INFO kablam!    |
Aug 29 15:35:08.613 INFO kablam! 26 |     let mut v = vec![1, 2, 3, 4, 5];
Aug 29 15:35:08.613 INFO kablam!    |         ----^
Aug 29 15:35:08.613 INFO kablam!    |         |
Aug 29 15:35:08.613 INFO kablam!    |         help: remove this `mut`
Aug 29 15:35:08.613 INFO kablam!    |
Aug 29 15:35:08.613 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 15:35:08.613 INFO kablam! 
Aug 29 15:35:08.613 INFO kablam! warning: field is never used: `sign_in_count`
Aug 29 15:35:08.613 INFO kablam!   --> chapter5/src/main.rs:53:5
Aug 29 15:35:08.613 INFO kablam!    |
Aug 29 15:35:08.613 INFO kablam! 53 |     sign_in_count: u64,
Aug 29 15:35:08.613 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.613 INFO kablam!    |
Aug 29 15:35:08.613 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.613 INFO kablam! 
Aug 29 15:35:08.613 INFO kablam! warning: field is never used: `active`
Aug 29 15:35:08.613 INFO kablam!   --> chapter5/src/main.rs:54:5
Aug 29 15:35:08.613 INFO kablam!    |
Aug 29 15:35:08.613 INFO kablam! 54 |     active: bool,
Aug 29 15:35:08.613 INFO kablam!    |     ^^^^^^^^^^^^
Aug 29 15:35:08.613 INFO kablam! 
Aug 29 15:35:08.613 INFO kablam! warning: method is never used: `new`
Aug 29 15:35:08.613 INFO kablam!   --> chapter5/src/main.rs:67:5
Aug 29 15:35:08.613 INFO kablam!    |
Aug 29 15:35:08.613 INFO kablam! 67 |     fn new(email: String, username: String) -> User {
Aug 29 15:35:08.614 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.614 INFO kablam! 
Aug 29 15:35:08.614 INFO kablam! warning: method is never used: `square`
Aug 29 15:35:08.614 INFO kablam!   --> chapter5/src/main.rs:97:5
Aug 29 15:35:08.614 INFO kablam!    |
Aug 29 15:35:08.614 INFO kablam! 97 |     fn square(size: u32) -> Rectangle {
Aug 29 15:35:08.614 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.614 INFO kablam! 
Aug 29 15:35:08.614 INFO kablam! warning: method is never used: `widen`
Aug 29 15:35:08.614 INFO kablam!    --> chapter5/src/main.rs:105:5
Aug 29 15:35:08.614 INFO kablam!     |
Aug 29 15:35:08.614 INFO kablam! 105 |     fn widen(&mut self, n: u32) {
Aug 29 15:35:08.614 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.614 INFO kablam! 
Aug 29 15:35:08.614 INFO kablam! warning: method is never used: `takes_ownership`
Aug 29 15:35:08.614 INFO kablam!    --> chapter5/src/main.rs:109:5
Aug 29 15:35:08.614 INFO kablam!     |
Aug 29 15:35:08.614 INFO kablam! 109 |     fn takes_ownership(self) -> Rectangle {
Aug 29 15:35:08.614 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.614 INFO kablam! 
Aug 29 15:35:08.614 INFO kablam! warning: method is never used: `transform`
Aug 29 15:35:08.614 INFO kablam!    --> chapter5/src/main.rs:113:5
Aug 29 15:35:08.614 INFO kablam!     |
Aug 29 15:35:08.614 INFO kablam! 113 |     fn transform(self, w: u32, h: u32) -> Rectangle {
Aug 29 15:35:08.614 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.614 INFO kablam! 
Aug 29 15:35:08.648 INFO kablam! warning: variable does not need to be mutable
Aug 29 15:35:08.648 INFO kablam!   --> chapter8/src/main.rs:26:9
Aug 29 15:35:08.648 INFO kablam!    |
Aug 29 15:35:08.648 INFO kablam! 26 |     let mut v = vec![1, 2, 3, 4, 5];
Aug 29 15:35:08.648 INFO kablam!    |         ----^
Aug 29 15:35:08.648 INFO kablam!    |         |
Aug 29 15:35:08.648 INFO kablam!    |         help: remove this `mut`
Aug 29 15:35:08.648 INFO kablam!    |
Aug 29 15:35:08.648 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 15:35:08.648 INFO kablam! 
Aug 29 15:35:08.668 INFO kablam! warning: field is never used: `part`
Aug 29 15:35:08.668 INFO kablam!  --> chapter10/src/main.rs:5:5
Aug 29 15:35:08.668 INFO kablam!   |
Aug 29 15:35:08.668 INFO kablam! 5 |     part: &'a str,
Aug 29 15:35:08.668 INFO kablam!   |     ^^^^^^^^^^^^^
Aug 29 15:35:08.668 INFO kablam!   |
Aug 29 15:35:08.668 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 15:35:08.668 INFO kablam! 
Aug 29 15:35:08.668 INFO kablam! warning: method is never used: `announce_and_return_part`
Aug 29 15:35:08.669 INFO kablam!   --> chapter10/src/main.rs:15:5
Aug 29 15:35:08.669 INFO kablam!    |
Aug 29 15:35:08.669 INFO kablam! 15 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
Aug 29 15:35:08.669 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:35:08.669 INFO kablam! 
Aug 29 15:35:08.756 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Aug 29 15:35:08.760 INFO kablam! su: No module specific data is present
Aug 29 15:35:09.105 INFO running `"docker" "rm" "-f" "c013ddf0759b1078cc8656b6fbe00c78ea4e712571d0636e629606fc5a8cb8c8"`
Aug 29 15:35:09.190 INFO blam! c013ddf0759b1078cc8656b6fbe00c78ea4e712571d0636e629606fc5a8cb8c8