Oct 12 10:01:58.476 INFO checking yuya373/trpl against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 10:01:58.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 10:01:59.020 INFO blam! d7bf927fef0b1df82481d6b7380c23b0ac6f2187c558d8d3708e3dd0203ef2aa
Oct 12 10:01:59.049 INFO running `"docker" "start" "-a" "d7bf927fef0b1df82481d6b7380c23b0ac6f2187c558d8d3708e3dd0203ef2aa"`
Oct 12 10:02:01.675 INFO kablam! usermod: no changes
Oct 12 10:02:01.720 INFO kablam!     Checking chapter7 v0.1.0 (/source/chapter7)
Oct 12 10:02:01.720 INFO kablam!     Checking chapter8 v0.1.0 (/source/chapter8)
Oct 12 10:02:01.720 INFO kablam!     Checking chapter9 v0.1.0 (/source/chapter9)
Oct 12 10:02:01.720 INFO kablam!     Checking chapter4 v0.1.0 (/source/chapter4)
Oct 12 10:02:01.720 INFO kablam!     Checking chapter5 v0.1.0 (/source/chapter5)
Oct 12 10:02:01.720 INFO kablam!     Checking chapter10 v0.1.0 (/source/chapter10)
Oct 12 10:02:01.720 INFO kablam!     Checking chapter6 v0.1.0 (/source/chapter6)
Oct 12 10:02:02.592 INFO kablam! warning: field is never used: `part`
Oct 12 10:02:02.592 INFO kablam!  --> chapter10/src/main.rs:5:5
Oct 12 10:02:02.592 INFO kablam!   |
Oct 12 10:02:02.592 INFO kablam! 5 |     part: &'a str,
Oct 12 10:02:02.592 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 10:02:02.618 INFO kablam!   |
Oct 12 10:02:02.618 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:02:02.618 INFO kablam! 
Oct 12 10:02:02.618 INFO kablam! warning: method is never used: `announce_and_return_part`
Oct 12 10:02:02.618 INFO kablam!   --> chapter10/src/main.rs:15:5
Oct 12 10:02:02.618 INFO kablam!    |
Oct 12 10:02:02.618 INFO kablam! 15 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
Oct 12 10:02:02.618 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:02.618 INFO kablam! 
Oct 12 10:02:02.712 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:02:02.712 INFO kablam!   --> chapter8/src/main.rs:26:9
Oct 12 10:02:02.712 INFO kablam!    |
Oct 12 10:02:02.712 INFO kablam! 26 |     let mut v = vec![1, 2, 3, 4, 5];
Oct 12 10:02:02.712 INFO kablam!    |         ----^
Oct 12 10:02:02.712 INFO kablam!    |         |
Oct 12 10:02:02.712 INFO kablam!    |         help: remove this `mut`
Oct 12 10:02:02.712 INFO kablam!    |
Oct 12 10:02:02.712 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:02:02.712 INFO kablam! 
Oct 12 10:02:02.912 INFO kablam! warning: unused variable: `user2`
Oct 12 10:02:02.912 INFO kablam!   --> chapter5/src/main.rs:12:9
Oct 12 10:02:02.912 INFO kablam!    |
Oct 12 10:02:02.912 INFO kablam! 12 |     let user2 = User {
Oct 12 10:02:02.912 INFO kablam!    |         ^^^^^ help: consider using `_user2` instead
Oct 12 10:02:02.940 INFO kablam!    |
Oct 12 10:02:02.940 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:02:02.940 INFO kablam! 
Oct 12 10:02:02.940 INFO kablam! warning: unused variable: `black`
Oct 12 10:02:02.940 INFO kablam!   --> chapter5/src/main.rs:21:9
Oct 12 10:02:02.940 INFO kablam!    |
Oct 12 10:02:02.940 INFO kablam! 21 |     let black = Color(0, 0, 0);
Oct 12 10:02:02.940 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Oct 12 10:02:02.940 INFO kablam! 
Oct 12 10:02:03.008 INFO kablam! warning: field is never used: `sign_in_count`
Oct 12 10:02:03.008 INFO kablam!   --> chapter5/src/main.rs:53:5
Oct 12 10:02:03.008 INFO kablam!    |
Oct 12 10:02:03.008 INFO kablam! 53 |     sign_in_count: u64,
Oct 12 10:02:03.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.008 INFO kablam!    |
Oct 12 10:02:03.008 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 10:02:03.008 INFO kablam! 
Oct 12 10:02:03.008 INFO kablam! warning: field is never used: `active`
Oct 12 10:02:03.008 INFO kablam!   --> chapter5/src/main.rs:54:5
Oct 12 10:02:03.008 INFO kablam!    |
Oct 12 10:02:03.008 INFO kablam! 54 |     active: bool,
Oct 12 10:02:03.008 INFO kablam!    |     ^^^^^^^^^^^^
Oct 12 10:02:03.008 INFO kablam! 
Oct 12 10:02:03.008 INFO kablam! warning: method is never used: `new`
Oct 12 10:02:03.008 INFO kablam!   --> chapter5/src/main.rs:67:5
Oct 12 10:02:03.008 INFO kablam!    |
Oct 12 10:02:03.008 INFO kablam! 67 |     fn new(email: String, username: String) -> User {
Oct 12 10:02:03.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.008 INFO kablam! 
Oct 12 10:02:03.008 INFO kablam! warning: method is never used: `square`
Oct 12 10:02:03.008 INFO kablam!   --> chapter5/src/main.rs:97:5
Oct 12 10:02:03.008 INFO kablam!    |
Oct 12 10:02:03.008 INFO kablam! 97 |     fn square(size: u32) -> Rectangle {
Oct 12 10:02:03.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.008 INFO kablam! 
Oct 12 10:02:03.008 INFO kablam! warning: method is never used: `widen`
Oct 12 10:02:03.008 INFO kablam!    --> chapter5/src/main.rs:105:5
Oct 12 10:02:03.008 INFO kablam!     |
Oct 12 10:02:03.008 INFO kablam! 105 |     fn widen(&mut self, n: u32) {
Oct 12 10:02:03.009 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.009 INFO kablam! 
Oct 12 10:02:03.009 INFO kablam! warning: method is never used: `takes_ownership`
Oct 12 10:02:03.009 INFO kablam!    --> chapter5/src/main.rs:109:5
Oct 12 10:02:03.009 INFO kablam!     |
Oct 12 10:02:03.009 INFO kablam! 109 |     fn takes_ownership(self) -> Rectangle {
Oct 12 10:02:03.009 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.009 INFO kablam! 
Oct 12 10:02:03.009 INFO kablam! warning: method is never used: `transform`
Oct 12 10:02:03.009 INFO kablam!    --> chapter5/src/main.rs:113:5
Oct 12 10:02:03.009 INFO kablam!     |
Oct 12 10:02:03.009 INFO kablam! 113 |     fn transform(self, w: u32, h: u32) -> Rectangle {
Oct 12 10:02:03.009 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.009 INFO kablam! 
Oct 12 10:02:03.055 INFO kablam! warning: unused variable: `some_u8_value`
Oct 12 10:02:03.055 INFO kablam!   --> chapter6/src/main.rs:29:9
Oct 12 10:02:03.055 INFO kablam!    |
Oct 12 10:02:03.055 INFO kablam! 29 |     let some_u8_value = Some(0u8);
Oct 12 10:02:03.055 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead
Oct 12 10:02:03.055 INFO kablam!    |
Oct 12 10:02:03.055 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:02:03.055 INFO kablam! 
Oct 12 10:02:03.133 INFO kablam! warning: variant is never constructed: `ChangeColor`
Oct 12 10:02:03.133 INFO kablam!   --> chapter6/src/main.rs:49:5
Oct 12 10:02:03.133 INFO kablam!    |
Oct 12 10:02:03.133 INFO kablam! 49 |     ChangeColor(i32, i32, i32),
Oct 12 10:02:03.134 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.135 INFO kablam!    |
Oct 12 10:02:03.135 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 10:02:03.136 INFO kablam! 
Oct 12 10:02:03.136 INFO kablam! warning: variant is never constructed: `Alabama`
Oct 12 10:02:03.136 INFO kablam!   --> chapter6/src/main.rs:59:5
Oct 12 10:02:03.136 INFO kablam!    |
Oct 12 10:02:03.137 INFO kablam! 59 |     Alabama,
Oct 12 10:02:03.137 INFO kablam!    |     ^^^^^^^
Oct 12 10:02:03.137 INFO kablam! 
Oct 12 10:02:03.137 INFO kablam! warning: variant is never constructed: `Nickel`
Oct 12 10:02:03.137 INFO kablam!   --> chapter6/src/main.rs:65:5
Oct 12 10:02:03.137 INFO kablam!    |
Oct 12 10:02:03.137 INFO kablam! 65 |     Nickel,
Oct 12 10:02:03.138 INFO kablam!    |     ^^^^^^
Oct 12 10:02:03.138 INFO kablam! 
Oct 12 10:02:03.138 INFO kablam! warning: variant is never constructed: `Dime`
Oct 12 10:02:03.138 INFO kablam!   --> chapter6/src/main.rs:66:5
Oct 12 10:02:03.139 INFO kablam!    |
Oct 12 10:02:03.139 INFO kablam! 66 |     Dime,
Oct 12 10:02:03.139 INFO kablam!    |     ^^^^
Oct 12 10:02:03.139 INFO kablam! 
Oct 12 10:02:03.282 INFO kablam! warning: unused variable: `s1`
Oct 12 10:02:03.282 INFO kablam!   --> chapter4/src/main.rs:75:9
Oct 12 10:02:03.282 INFO kablam!    |
Oct 12 10:02:03.282 INFO kablam! 75 |     let s1 = &mut s;
Oct 12 10:02:03.282 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 12 10:02:03.282 INFO kablam!    |
Oct 12 10:02:03.282 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:02:03.282 INFO kablam! 
Oct 12 10:02:03.282 INFO kablam! warning: unused variable: `r1`
Oct 12 10:02:03.282 INFO kablam!   --> chapter4/src/main.rs:86:13
Oct 12 10:02:03.283 INFO kablam!    |
Oct 12 10:02:03.283 INFO kablam! 86 |         let r1 = &mut s;
Oct 12 10:02:03.284 INFO kablam!    |             ^^ help: consider using `_r1` instead
Oct 12 10:02:03.284 INFO kablam! 
Oct 12 10:02:03.284 INFO kablam! warning: unused variable: `r2`
Oct 12 10:02:03.284 INFO kablam!   --> chapter4/src/main.rs:88:9
Oct 12 10:02:03.284 INFO kablam!    |
Oct 12 10:02:03.284 INFO kablam! 88 |     let r2 = &mut s;
Oct 12 10:02:03.284 INFO kablam!    |         ^^ help: consider using `_r2` instead
Oct 12 10:02:03.284 INFO kablam! 
Oct 12 10:02:03.284 INFO kablam! warning: unused variable: `r1`
Oct 12 10:02:03.284 INFO kablam!   --> chapter4/src/main.rs:92:9
Oct 12 10:02:03.285 INFO kablam!    |
Oct 12 10:02:03.285 INFO kablam! 92 |     let r1 = &s;
Oct 12 10:02:03.285 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 12 10:02:03.285 INFO kablam! 
Oct 12 10:02:03.285 INFO kablam! warning: unused variable: `r2`
Oct 12 10:02:03.286 INFO kablam!   --> chapter4/src/main.rs:94:9
Oct 12 10:02:03.286 INFO kablam!    |
Oct 12 10:02:03.286 INFO kablam! 94 |     let r2 = &s;
Oct 12 10:02:03.286 INFO kablam!    |         ^^ help: consider using `_r2` instead
Oct 12 10:02:03.286 INFO kablam! 
Oct 12 10:02:03.416 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:02:03.416 INFO kablam!   --> chapter4/src/main.rs:90:9
Oct 12 10:02:03.416 INFO kablam!    |
Oct 12 10:02:03.416 INFO kablam! 90 |     let mut s = String::from("hello");
Oct 12 10:02:03.416 INFO kablam!    |         ----^
Oct 12 10:02:03.416 INFO kablam!    |         |
Oct 12 10:02:03.416 INFO kablam!    |         help: remove this `mut`
Oct 12 10:02:03.416 INFO kablam!    |
Oct 12 10:02:03.416 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:02:03.416 INFO kablam! 
Oct 12 10:02:03.416 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:02:03.416 INFO kablam!    --> chapter4/src/main.rs:108:9
Oct 12 10:02:03.416 INFO kablam!     |
Oct 12 10:02:03.416 INFO kablam! 108 |     let mut s = String::from("hello world");
Oct 12 10:02:03.416 INFO kablam!     |         ----^
Oct 12 10:02:03.416 INFO kablam!     |         |
Oct 12 10:02:03.416 INFO kablam!     |         help: remove this `mut`
Oct 12 10:02:03.417 INFO kablam! 
Oct 12 10:02:03.477 INFO kablam! warning: field is never used: `part`
Oct 12 10:02:03.477 INFO kablam!  --> chapter10/src/main.rs:5:5
Oct 12 10:02:03.477 INFO kablam!   |
Oct 12 10:02:03.477 INFO kablam! 5 |     part: &'a str,
Oct 12 10:02:03.477 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 10:02:03.492 INFO kablam! warning: function is never used: `no_dangle`
Oct 12 10:02:03.492 INFO kablam!    --> chapter4/src/main.rs:168:1
Oct 12 10:02:03.492 INFO kablam!     |
Oct 12 10:02:03.492 INFO kablam! 168 | fn no_dangle() -> String {
Oct 12 10:02:03.492 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.492 INFO kablam!   |
Oct 12 10:02:03.492 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:02:03.492 INFO kablam! 
Oct 12 10:02:03.493 INFO kablam! warning: method is never used: `announce_and_return_part`
Oct 12 10:02:03.493 INFO kablam!   --> chapter10/src/main.rs:15:5
Oct 12 10:02:03.493 INFO kablam!    |
Oct 12 10:02:03.493 INFO kablam! 15 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
Oct 12 10:02:03.493 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.493 INFO kablam! 
Oct 12 10:02:03.496 INFO kablam!     |
Oct 12 10:02:03.496 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 10:02:03.496 INFO kablam! 
Oct 12 10:02:03.888 INFO kablam! warning: unused variable: `user2`
Oct 12 10:02:03.888 INFO kablam!   --> chapter5/src/main.rs:12:9
Oct 12 10:02:03.888 INFO kablam!    |
Oct 12 10:02:03.889 INFO kablam! 12 |     let user2 = User {
Oct 12 10:02:03.889 INFO kablam!    |         ^^^^^ help: consider using `_user2` instead
Oct 12 10:02:03.889 INFO kablam!    |
Oct 12 10:02:03.889 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:02:03.890 INFO kablam! 
Oct 12 10:02:03.890 INFO kablam! warning: unused variable: `black`
Oct 12 10:02:03.890 INFO kablam!   --> chapter5/src/main.rs:21:9
Oct 12 10:02:03.890 INFO kablam!    |
Oct 12 10:02:03.891 INFO kablam! 21 |     let black = Color(0, 0, 0);
Oct 12 10:02:03.891 INFO kablam!    |         ^^^^^ help: consider using `_black` instead
Oct 12 10:02:03.891 INFO kablam! 
Oct 12 10:02:03.952 INFO kablam! warning: field is never used: `sign_in_count`
Oct 12 10:02:03.953 INFO kablam!   --> chapter5/src/main.rs:53:5
Oct 12 10:02:03.953 INFO kablam!    |
Oct 12 10:02:03.953 INFO kablam! 53 |     sign_in_count: u64,
Oct 12 10:02:03.954 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.954 INFO kablam!    |
Oct 12 10:02:03.954 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 10:02:03.954 INFO kablam! 
Oct 12 10:02:03.955 INFO kablam! warning: field is never used: `active`
Oct 12 10:02:03.955 INFO kablam!   --> chapter5/src/main.rs:54:5
Oct 12 10:02:03.955 INFO kablam!    |
Oct 12 10:02:03.956 INFO kablam! 54 |     active: bool,
Oct 12 10:02:03.956 INFO kablam!    |     ^^^^^^^^^^^^
Oct 12 10:02:03.956 INFO kablam! 
Oct 12 10:02:03.957 INFO kablam! warning: method is never used: `new`
Oct 12 10:02:03.957 INFO kablam!   --> chapter5/src/main.rs:67:5
Oct 12 10:02:03.957 INFO kablam!    |
Oct 12 10:02:03.957 INFO kablam! 67 |     fn new(email: String, username: String) -> User {
Oct 12 10:02:03.958 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.958 INFO kablam! 
Oct 12 10:02:03.958 INFO kablam! warning: method is never used: `square`
Oct 12 10:02:03.958 INFO kablam!   --> chapter5/src/main.rs:97:5
Oct 12 10:02:03.959 INFO kablam!    |
Oct 12 10:02:03.959 INFO kablam! 97 |     fn square(size: u32) -> Rectangle {
Oct 12 10:02:03.959 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.959 INFO kablam! 
Oct 12 10:02:03.960 INFO kablam! warning: method is never used: `widen`
Oct 12 10:02:03.960 INFO kablam!    --> chapter5/src/main.rs:105:5
Oct 12 10:02:03.960 INFO kablam!     |
Oct 12 10:02:03.961 INFO kablam! 105 |     fn widen(&mut self, n: u32) {
Oct 12 10:02:03.961 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.961 INFO kablam! 
Oct 12 10:02:03.961 INFO kablam! warning: method is never used: `takes_ownership`
Oct 12 10:02:03.961 INFO kablam!    --> chapter5/src/main.rs:109:5
Oct 12 10:02:03.962 INFO kablam!     |
Oct 12 10:02:03.962 INFO kablam! 109 |     fn takes_ownership(self) -> Rectangle {
Oct 12 10:02:03.962 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.962 INFO kablam! 
Oct 12 10:02:03.963 INFO kablam! warning: method is never used: `transform`
Oct 12 10:02:03.963 INFO kablam!    --> chapter5/src/main.rs:113:5
Oct 12 10:02:03.963 INFO kablam!     |
Oct 12 10:02:03.963 INFO kablam! 113 |     fn transform(self, w: u32, h: u32) -> Rectangle {
Oct 12 10:02:03.963 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:03.963 INFO kablam! 
Oct 12 10:02:04.072 INFO kablam! warning: unused variable: `some_u8_value`
Oct 12 10:02:04.073 INFO kablam!   --> chapter6/src/main.rs:29:9
Oct 12 10:02:04.073 INFO kablam!    |
Oct 12 10:02:04.074 INFO kablam! 29 |     let some_u8_value = Some(0u8);
Oct 12 10:02:04.074 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead
Oct 12 10:02:04.074 INFO kablam!    |
Oct 12 10:02:04.074 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:02:04.074 INFO kablam! 
Oct 12 10:02:04.104 INFO kablam! warning: unused variable: `s1`
Oct 12 10:02:04.104 INFO kablam!   --> chapter4/src/main.rs:75:9
Oct 12 10:02:04.104 INFO kablam!    |
Oct 12 10:02:04.104 INFO kablam! 75 |     let s1 = &mut s;
Oct 12 10:02:04.104 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 12 10:02:04.104 INFO kablam!    |
Oct 12 10:02:04.104 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:02:04.104 INFO kablam! 
Oct 12 10:02:04.104 INFO kablam! warning: unused variable: `r1`
Oct 12 10:02:04.104 INFO kablam!   --> chapter4/src/main.rs:86:13
Oct 12 10:02:04.104 INFO kablam!    |
Oct 12 10:02:04.104 INFO kablam! 86 |         let r1 = &mut s;
Oct 12 10:02:04.104 INFO kablam!    |             ^^ help: consider using `_r1` instead
Oct 12 10:02:04.104 INFO kablam! 
Oct 12 10:02:04.104 INFO kablam! warning: unused variable: `r2`
Oct 12 10:02:04.104 INFO kablam!   --> chapter4/src/main.rs:88:9
Oct 12 10:02:04.104 INFO kablam!    |
Oct 12 10:02:04.105 INFO kablam! 88 |     let r2 = &mut s;
Oct 12 10:02:04.105 INFO kablam!    |         ^^ help: consider using `_r2` instead
Oct 12 10:02:04.105 INFO kablam! 
Oct 12 10:02:04.105 INFO kablam! warning: unused variable: `r1`
Oct 12 10:02:04.105 INFO kablam!   --> chapter4/src/main.rs:92:9
Oct 12 10:02:04.105 INFO kablam!    |
Oct 12 10:02:04.105 INFO kablam! 92 |     let r1 = &s;
Oct 12 10:02:04.105 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 12 10:02:04.105 INFO kablam! 
Oct 12 10:02:04.105 INFO kablam! warning: unused variable: `r2`
Oct 12 10:02:04.105 INFO kablam!   --> chapter4/src/main.rs:94:9
Oct 12 10:02:04.105 INFO kablam!    |
Oct 12 10:02:04.105 INFO kablam! 94 |     let r2 = &s;
Oct 12 10:02:04.105 INFO kablam!    |         ^^ help: consider using `_r2` instead
Oct 12 10:02:04.105 INFO kablam! 
Oct 12 10:02:04.123 INFO kablam! warning: variant is never constructed: `ChangeColor`
Oct 12 10:02:04.123 INFO kablam!   --> chapter6/src/main.rs:49:5
Oct 12 10:02:04.123 INFO kablam!    |
Oct 12 10:02:04.123 INFO kablam! 49 |     ChangeColor(i32, i32, i32),
Oct 12 10:02:04.123 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:04.123 INFO kablam!    |
Oct 12 10:02:04.123 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 10:02:04.124 INFO kablam! 
Oct 12 10:02:04.124 INFO kablam! warning: variant is never constructed: `Alabama`
Oct 12 10:02:04.124 INFO kablam!   --> chapter6/src/main.rs:59:5
Oct 12 10:02:04.124 INFO kablam!    |
Oct 12 10:02:04.124 INFO kablam! 59 |     Alabama,
Oct 12 10:02:04.124 INFO kablam!    |     ^^^^^^^
Oct 12 10:02:04.124 INFO kablam! 
Oct 12 10:02:04.124 INFO kablam! warning: variant is never constructed: `Nickel`
Oct 12 10:02:04.124 INFO kablam!   --> chapter6/src/main.rs:65:5
Oct 12 10:02:04.124 INFO kablam!    |
Oct 12 10:02:04.124 INFO kablam! 65 |     Nickel,
Oct 12 10:02:04.124 INFO kablam!    |     ^^^^^^
Oct 12 10:02:04.124 INFO kablam! 
Oct 12 10:02:04.125 INFO kablam! warning: variant is never constructed: `Dime`
Oct 12 10:02:04.125 INFO kablam!   --> chapter6/src/main.rs:66:5
Oct 12 10:02:04.125 INFO kablam!    |
Oct 12 10:02:04.125 INFO kablam! 66 |     Dime,
Oct 12 10:02:04.125 INFO kablam!    |     ^^^^
Oct 12 10:02:04.125 INFO kablam! 
Oct 12 10:02:04.139 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:02:04.139 INFO kablam!   --> chapter4/src/main.rs:90:9
Oct 12 10:02:04.139 INFO kablam!    |
Oct 12 10:02:04.139 INFO kablam! 90 |     let mut s = String::from("hello");
Oct 12 10:02:04.139 INFO kablam!    |         ----^
Oct 12 10:02:04.139 INFO kablam!    |         |
Oct 12 10:02:04.139 INFO kablam!    |         help: remove this `mut`
Oct 12 10:02:04.148 INFO kablam!    |
Oct 12 10:02:04.148 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:02:04.148 INFO kablam! 
Oct 12 10:02:04.149 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:02:04.149 INFO kablam!    --> chapter4/src/main.rs:108:9
Oct 12 10:02:04.149 INFO kablam!     |
Oct 12 10:02:04.149 INFO kablam! 108 |     let mut s = String::from("hello world");
Oct 12 10:02:04.149 INFO kablam!     |         ----^
Oct 12 10:02:04.149 INFO kablam!     |         |
Oct 12 10:02:04.149 INFO kablam!     |         help: remove this `mut`
Oct 12 10:02:04.150 INFO kablam! 
Oct 12 10:02:04.172 INFO kablam! warning: function is never used: `no_dangle`
Oct 12 10:02:04.172 INFO kablam!    --> chapter4/src/main.rs:168:1
Oct 12 10:02:04.172 INFO kablam!     |
Oct 12 10:02:04.173 INFO kablam! 168 | fn no_dangle() -> String {
Oct 12 10:02:04.173 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:02:04.173 INFO kablam!     |
Oct 12 10:02:04.173 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 10:02:04.173 INFO kablam! 
Oct 12 10:02:04.392 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:02:04.392 INFO kablam!   --> chapter8/src/main.rs:26:9
Oct 12 10:02:04.393 INFO kablam!    |
Oct 12 10:02:04.393 INFO kablam! 26 |     let mut v = vec![1, 2, 3, 4, 5];
Oct 12 10:02:04.393 INFO kablam!    |         ----^
Oct 12 10:02:04.393 INFO kablam!    |         |
Oct 12 10:02:04.393 INFO kablam!    |         help: remove this `mut`
Oct 12 10:02:04.393 INFO kablam!    |
Oct 12 10:02:04.394 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:02:04.394 INFO kablam! 
Oct 12 10:02:04.482 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
Oct 12 10:02:04.486 INFO kablam! su: No module specific data is present
Oct 12 10:02:06.204 INFO running `"docker" "rm" "-f" "d7bf927fef0b1df82481d6b7380c23b0ac6f2187c558d8d3708e3dd0203ef2aa"`
Oct 12 10:02:06.485 INFO blam! d7bf927fef0b1df82481d6b7380c23b0ac6f2187c558d8d3708e3dd0203ef2aa