Oct 12 10:31:48.794 INFO checking xlkness/syntax against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 10:31:48.794 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 10:31:49.219 INFO blam! 446029a676dc6f45b7ab0a9a58fc49b65cab03eb4bd5120e4450b8911668eed9
Oct 12 10:31:49.220 INFO running `"docker" "start" "-a" "446029a676dc6f45b7ab0a9a58fc49b65cab03eb4bd5120e4450b8911668eed9"`
Oct 12 10:31:50.847 INFO kablam! usermod: no changes
Oct 12 10:31:50.897 INFO kablam!     Checking syntax v0.1.0 (/source)
Oct 12 10:31:51.089 INFO kablam! warning: unused import: `std::*`
Oct 12 10:31:51.089 INFO kablam!  --> src/loop.rs:2:5
Oct 12 10:31:51.089 INFO kablam!   |
Oct 12 10:31:51.089 INFO kablam! 2 | use std::*;
Oct 12 10:31:51.089 INFO kablam!   |     ^^^^^^
Oct 12 10:31:51.089 INFO kablam!   |
Oct 12 10:31:51.089 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 10:31:51.089 INFO kablam! 
Oct 12 10:31:51.090 INFO kablam! warning: unused import: `std::*`
Oct 12 10:31:51.090 INFO kablam!  --> src/ownership.rs:2:5
Oct 12 10:31:51.090 INFO kablam!   |
Oct 12 10:31:51.090 INFO kablam! 2 | use std::*;
Oct 12 10:31:51.090 INFO kablam!   |     ^^^^^^
Oct 12 10:31:51.090 INFO kablam! 
Oct 12 10:31:51.125 INFO kablam! warning: unused import: `std::*`
Oct 12 10:31:51.125 INFO kablam!  --> src/loop.rs:2:5
Oct 12 10:31:51.125 INFO kablam!   |
Oct 12 10:31:51.125 INFO kablam! 2 | use std::*;
Oct 12 10:31:51.125 INFO kablam!   |     ^^^^^^
Oct 12 10:31:51.125 INFO kablam!   |
Oct 12 10:31:51.125 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 10:31:51.125 INFO kablam! 
Oct 12 10:31:51.125 INFO kablam! warning: unused import: `std::*`
Oct 12 10:31:51.125 INFO kablam!  --> src/ownership.rs:2:5
Oct 12 10:31:51.125 INFO kablam!   |
Oct 12 10:31:51.126 INFO kablam! 2 | use std::*;
Oct 12 10:31:51.126 INFO kablam!   |     ^^^^^^
Oct 12 10:31:51.126 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:31:9
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 31 |     let x = 5;
Oct 12 10:31:51.212 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `a`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:34:10
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 34 |     let (a, b) = (1, 2);
Oct 12 10:31:51.212 INFO kablam!    |          ^ help: consider using `_a` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `b`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:34:13
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 34 |     let (a, b) = (1, 2);
Oct 12 10:31:51.212 INFO kablam!    |             ^ help: consider using `_b` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `c`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:37:9
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 37 |     let c: i32 = 5;
Oct 12 10:31:51.212 INFO kablam!    |         ^ help: consider using `_c` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: variable `d` is assigned to, but never used
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:41:13
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 41 |     let mut d = 5;
Oct 12 10:31:51.212 INFO kablam!    |             ^
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam!    = note: consider using `_d` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: value assigned to `d` is never read
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:42:5
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 42 |     d = 10;
Oct 12 10:31:51.212 INFO kablam!    |     ^
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `e`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:45:9
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 45 |     let e: i32;
Oct 12 10:31:51.212 INFO kablam!    |         ^ help: consider using `_e` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `f`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:67:9
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 67 |     let f: fn(i32) -> i32 = plus_one;
Oct 12 10:31:51.212 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `f1`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:69:9
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.212 INFO kablam! 69 |     let f1 = plus_one;
Oct 12 10:31:51.212 INFO kablam!    |         ^^ help: consider using `_f1` instead
Oct 12 10:31:51.212 INFO kablam! 
Oct 12 10:31:51.212 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.212 INFO kablam!   --> src/main.rs:72:9
Oct 12 10:31:51.212 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 72 |     let x = true;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `y`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:73:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 73 |     let y: bool = false;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:75:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 75 |     let x = 'x';
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `two_hearts`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:76:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 76 |     let two_hearts = '里';  // char is 4 bytes
Oct 12 10:31:51.213 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:78:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 78 |     let x: i8 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:79:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 79 |     let x: i16 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:80:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 80 |     let x: i32 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:81:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 81 |     let x: i64 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:82:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 82 |     let x: u8 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:83:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 83 |     let x: u16 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:84:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 84 |     let x: u32 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:85:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 85 |     let x: u64 = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:86:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 86 |     let x: isize = 1;  // unfix size
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:87:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 87 |     let x: usize = 1;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:88:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 88 |     let x: f32 = 1.0;
Oct 12 10:31:51.213 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.213 INFO kablam! 
Oct 12 10:31:51.213 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.213 INFO kablam!   --> src/main.rs:89:9
Oct 12 10:31:51.213 INFO kablam!    |
Oct 12 10:31:51.213 INFO kablam! 89 |     let x: f64 = 1.0;
Oct 12 10:31:51.214 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `a`
Oct 12 10:31:51.214 INFO kablam!   --> src/main.rs:91:9
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 91 |     let a = [1,2,3];
Oct 12 10:31:51.214 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `m`
Oct 12 10:31:51.214 INFO kablam!   --> src/main.rs:92:13
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 92 |     let mut m = [1,2,3];
Oct 12 10:31:51.214 INFO kablam!    |             ^ help: consider using `_m` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `a_len`
Oct 12 10:31:51.214 INFO kablam!   --> src/main.rs:94:9
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 94 |     let a_len = a.len();
Oct 12 10:31:51.214 INFO kablam!    |         ^^^^^ help: consider using `_a_len` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `complete`
Oct 12 10:31:51.214 INFO kablam!   --> src/main.rs:98:9
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 98 |     let complete = &a[..]; // a slice containing all of the elements in a
Oct 12 10:31:51.214 INFO kablam!    |         ^^^^^^^^ help: consider using `_complete` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `middle`
Oct 12 10:31:51.214 INFO kablam!   --> src/main.rs:99:9
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 99 |     let middle = &a[1..4];
Oct 12 10:31:51.214 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.214 INFO kablam!    --> src/main.rs:102:9
Oct 12 10:31:51.214 INFO kablam!     |
Oct 12 10:31:51.214 INFO kablam! 102 |     let x = (1, "hello");
Oct 12 10:31:51.214 INFO kablam!     |         ^ help: consider using `_x` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `y`
Oct 12 10:31:51.214 INFO kablam!   --> src/case.rs:13:9
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 13 |     let y =
Oct 12 10:31:51.214 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `v2`
Oct 12 10:31:51.214 INFO kablam!  --> src/ownership.rs:7:9
Oct 12 10:31:51.214 INFO kablam!   |
Oct 12 10:31:51.214 INFO kablam! 7 |     let v2 = v;
Oct 12 10:31:51.214 INFO kablam!   |         ^^ help: consider using `_v2` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `v1`
Oct 12 10:31:51.214 INFO kablam!  --> src/reference.rs:3:17
Oct 12 10:31:51.214 INFO kablam!   |
Oct 12 10:31:51.214 INFO kablam! 3 | fn referencefoo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Oct 12 10:31:51.214 INFO kablam!   |                 ^^ help: consider using `_v1` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `v2`
Oct 12 10:31:51.214 INFO kablam!  --> src/reference.rs:3:32
Oct 12 10:31:51.214 INFO kablam!   |
Oct 12 10:31:51.214 INFO kablam! 3 | fn referencefoo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Oct 12 10:31:51.214 INFO kablam!   |                                ^^ help: consider using `_v2` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.214 INFO kablam! warning: unused variable: `answer`
Oct 12 10:31:51.214 INFO kablam!   --> src/reference.rs:11:9
Oct 12 10:31:51.214 INFO kablam!    |
Oct 12 10:31:51.214 INFO kablam! 11 |     let answer = referencefoo(&v1, &v2);
Oct 12 10:31:51.214 INFO kablam!    |         ^^^^^^ help: consider using `_answer` instead
Oct 12 10:31:51.214 INFO kablam! 
Oct 12 10:31:51.220 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:31:51.220 INFO kablam!   --> src/main.rs:92:9
Oct 12 10:31:51.220 INFO kablam!    |
Oct 12 10:31:51.220 INFO kablam! 92 |     let mut m = [1,2,3];
Oct 12 10:31:51.220 INFO kablam!    |         ----^
Oct 12 10:31:51.220 INFO kablam!    |         |
Oct 12 10:31:51.220 INFO kablam!    |         help: remove this `mut`
Oct 12 10:31:51.220 INFO kablam!    |
Oct 12 10:31:51.220 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:31:51.220 INFO kablam! 
Oct 12 10:31:51.227 INFO kablam! warning: function is never used: `case`
Oct 12 10:31:51.227 INFO kablam!  --> src/case.rs:2:1
Oct 12 10:31:51.227 INFO kablam!   |
Oct 12 10:31:51.227 INFO kablam! 2 | fn case() {
Oct 12 10:31:51.227 INFO kablam!   | ^^^^^^^^^
Oct 12 10:31:51.227 INFO kablam!   |
Oct 12 10:31:51.227 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:31:51.227 INFO kablam! 
Oct 12 10:31:51.227 INFO kablam! warning: function is never used: `referencefoo`
Oct 12 10:31:51.227 INFO kablam!  --> src/reference.rs:3:1
Oct 12 10:31:51.227 INFO kablam!   |
Oct 12 10:31:51.227 INFO kablam! 3 | fn referencefoo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Oct 12 10:31:51.227 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:51.227 INFO kablam! 
Oct 12 10:31:51.228 INFO kablam! warning: function is never used: `reference`
Oct 12 10:31:51.228 INFO kablam!  --> src/reference.rs:7:1
Oct 12 10:31:51.228 INFO kablam!   |
Oct 12 10:31:51.228 INFO kablam! 7 | fn reference() {
Oct 12 10:31:51.228 INFO kablam!   | ^^^^^^^^^^^^^^
Oct 12 10:31:51.228 INFO kablam! 
Oct 12 10:31:51.228 INFO kablam! warning: function is never used: `add_one`
Oct 12 10:31:51.228 INFO kablam!   --> src/main.rs:17:1
Oct 12 10:31:51.228 INFO kablam!    |
Oct 12 10:31:51.228 INFO kablam! 17 | fn add_one(x: i32) -> i32 {
Oct 12 10:31:51.228 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:51.228 INFO kablam! 
Oct 12 10:31:51.228 INFO kablam! warning: function is never used: `diverges`
Oct 12 10:31:51.228 INFO kablam!   --> src/main.rs:21:1
Oct 12 10:31:51.228 INFO kablam!    |
Oct 12 10:31:51.228 INFO kablam! 21 | fn diverges() -> ! {
Oct 12 10:31:51.228 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 10:31:51.228 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.253 INFO kablam!   --> src/main.rs:31:9
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam! 31 |     let x = 5;
Oct 12 10:31:51.253 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:31:51.253 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: unused variable: `a`
Oct 12 10:31:51.253 INFO kablam!   --> src/main.rs:34:10
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam! 34 |     let (a, b) = (1, 2);
Oct 12 10:31:51.253 INFO kablam!    |          ^ help: consider using `_a` instead
Oct 12 10:31:51.253 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: unused variable: `b`
Oct 12 10:31:51.253 INFO kablam!   --> src/main.rs:34:13
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam! 34 |     let (a, b) = (1, 2);
Oct 12 10:31:51.253 INFO kablam!    |             ^ help: consider using `_b` instead
Oct 12 10:31:51.253 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: unused variable: `c`
Oct 12 10:31:51.253 INFO kablam!   --> src/main.rs:37:9
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam! 37 |     let c: i32 = 5;
Oct 12 10:31:51.253 INFO kablam!    |         ^ help: consider using `_c` instead
Oct 12 10:31:51.253 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: variable `d` is assigned to, but never used
Oct 12 10:31:51.253 INFO kablam!   --> src/main.rs:41:13
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam! 41 |     let mut d = 5;
Oct 12 10:31:51.253 INFO kablam!    |             ^
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam!    = note: consider using `_d` instead
Oct 12 10:31:51.253 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: value assigned to `d` is never read
Oct 12 10:31:51.253 INFO kablam!   --> src/main.rs:42:5
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam! 42 |     d = 10;
Oct 12 10:31:51.253 INFO kablam!    |     ^
Oct 12 10:31:51.253 INFO kablam!    |
Oct 12 10:31:51.253 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 10:31:51.253 INFO kablam! 
Oct 12 10:31:51.253 INFO kablam! warning: unused variable: `e`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:45:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 45 |     let e: i32;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_e` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `f`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:67:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 67 |     let f: fn(i32) -> i32 = plus_one;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `f1`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:69:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 69 |     let f1 = plus_one;
Oct 12 10:31:51.254 INFO kablam!    |         ^^ help: consider using `_f1` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:72:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 72 |     let x = true;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `y`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:73:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 73 |     let y: bool = false;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:75:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 75 |     let x = 'x';
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `two_hearts`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:76:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 76 |     let two_hearts = '里';  // char is 4 bytes
Oct 12 10:31:51.254 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:78:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 78 |     let x: i8 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:79:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 79 |     let x: i16 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:80:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 80 |     let x: i32 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:81:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 81 |     let x: i64 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:82:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 82 |     let x: u8 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:83:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 83 |     let x: u16 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:84:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 84 |     let x: u32 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:85:9
Oct 12 10:31:51.254 INFO kablam!    |
Oct 12 10:31:51.254 INFO kablam! 85 |     let x: u64 = 1;
Oct 12 10:31:51.254 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.254 INFO kablam! 
Oct 12 10:31:51.254 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.254 INFO kablam!   --> src/main.rs:86:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 86 |     let x: isize = 1;  // unfix size
Oct 12 10:31:51.255 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:87:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 87 |     let x: usize = 1;
Oct 12 10:31:51.255 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:88:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 88 |     let x: f32 = 1.0;
Oct 12 10:31:51.255 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:89:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 89 |     let x: f64 = 1.0;
Oct 12 10:31:51.255 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `a`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:91:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 91 |     let a = [1,2,3];
Oct 12 10:31:51.255 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `m`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:92:13
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 92 |     let mut m = [1,2,3];
Oct 12 10:31:51.255 INFO kablam!    |             ^ help: consider using `_m` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `a_len`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:94:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 94 |     let a_len = a.len();
Oct 12 10:31:51.255 INFO kablam!    |         ^^^^^ help: consider using `_a_len` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `complete`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:98:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 98 |     let complete = &a[..]; // a slice containing all of the elements in a
Oct 12 10:31:51.255 INFO kablam!    |         ^^^^^^^^ help: consider using `_complete` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `middle`
Oct 12 10:31:51.255 INFO kablam!   --> src/main.rs:99:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 99 |     let middle = &a[1..4];
Oct 12 10:31:51.255 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `x`
Oct 12 10:31:51.255 INFO kablam!    --> src/main.rs:102:9
Oct 12 10:31:51.255 INFO kablam!     |
Oct 12 10:31:51.255 INFO kablam! 102 |     let x = (1, "hello");
Oct 12 10:31:51.255 INFO kablam!     |         ^ help: consider using `_x` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `y`
Oct 12 10:31:51.255 INFO kablam!   --> src/case.rs:13:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 13 |     let y =
Oct 12 10:31:51.255 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `v2`
Oct 12 10:31:51.255 INFO kablam!  --> src/ownership.rs:7:9
Oct 12 10:31:51.255 INFO kablam!   |
Oct 12 10:31:51.255 INFO kablam! 7 |     let v2 = v;
Oct 12 10:31:51.255 INFO kablam!   |         ^^ help: consider using `_v2` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `v1`
Oct 12 10:31:51.255 INFO kablam!  --> src/reference.rs:3:17
Oct 12 10:31:51.255 INFO kablam!   |
Oct 12 10:31:51.255 INFO kablam! 3 | fn referencefoo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Oct 12 10:31:51.255 INFO kablam!   |                 ^^ help: consider using `_v1` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `v2`
Oct 12 10:31:51.255 INFO kablam!  --> src/reference.rs:3:32
Oct 12 10:31:51.255 INFO kablam!   |
Oct 12 10:31:51.255 INFO kablam! 3 | fn referencefoo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Oct 12 10:31:51.255 INFO kablam!   |                                ^^ help: consider using `_v2` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.255 INFO kablam! warning: unused variable: `answer`
Oct 12 10:31:51.255 INFO kablam!   --> src/reference.rs:11:9
Oct 12 10:31:51.255 INFO kablam!    |
Oct 12 10:31:51.255 INFO kablam! 11 |     let answer = referencefoo(&v1, &v2);
Oct 12 10:31:51.255 INFO kablam!    |         ^^^^^^ help: consider using `_answer` instead
Oct 12 10:31:51.255 INFO kablam! 
Oct 12 10:31:51.264 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:31:51.264 INFO kablam!   --> src/main.rs:92:9
Oct 12 10:31:51.264 INFO kablam!    |
Oct 12 10:31:51.264 INFO kablam! 92 |     let mut m = [1,2,3];
Oct 12 10:31:51.264 INFO kablam!    |         ----^
Oct 12 10:31:51.264 INFO kablam!    |         |
Oct 12 10:31:51.264 INFO kablam!    |         help: remove this `mut`
Oct 12 10:31:51.264 INFO kablam!    |
Oct 12 10:31:51.264 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:31:51.264 INFO kablam! 
Oct 12 10:31:51.276 INFO kablam! warning: function is never used: `case`
Oct 12 10:31:51.276 INFO kablam!  --> src/case.rs:2:1
Oct 12 10:31:51.276 INFO kablam!   |
Oct 12 10:31:51.276 INFO kablam! 2 | fn case() {
Oct 12 10:31:51.276 INFO kablam!   | ^^^^^^^^^
Oct 12 10:31:51.276 INFO kablam!   |
Oct 12 10:31:51.276 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:31:51.276 INFO kablam! 
Oct 12 10:31:51.276 INFO kablam! warning: function is never used: `referencefoo`
Oct 12 10:31:51.276 INFO kablam!  --> src/reference.rs:3:1
Oct 12 10:31:51.276 INFO kablam!   |
Oct 12 10:31:51.276 INFO kablam! 3 | fn referencefoo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Oct 12 10:31:51.276 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:51.276 INFO kablam! 
Oct 12 10:31:51.276 INFO kablam! warning: function is never used: `reference`
Oct 12 10:31:51.276 INFO kablam!  --> src/reference.rs:7:1
Oct 12 10:31:51.276 INFO kablam!   |
Oct 12 10:31:51.276 INFO kablam! 7 | fn reference() {
Oct 12 10:31:51.276 INFO kablam!   | ^^^^^^^^^^^^^^
Oct 12 10:31:51.276 INFO kablam! 
Oct 12 10:31:51.276 INFO kablam! warning: function is never used: `add_one`
Oct 12 10:31:51.276 INFO kablam!   --> src/main.rs:17:1
Oct 12 10:31:51.276 INFO kablam!    |
Oct 12 10:31:51.276 INFO kablam! 17 | fn add_one(x: i32) -> i32 {
Oct 12 10:31:51.276 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:31:51.276 INFO kablam! 
Oct 12 10:31:51.276 INFO kablam! warning: function is never used: `diverges`
Oct 12 10:31:51.276 INFO kablam!   --> src/main.rs:21:1
Oct 12 10:31:51.276 INFO kablam!    |
Oct 12 10:31:51.276 INFO kablam! 21 | fn diverges() -> ! {
Oct 12 10:31:51.276 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 10:31:51.276 INFO kablam! 
Oct 12 10:31:51.312 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Oct 12 10:31:51.320 INFO kablam! su: No module specific data is present
Oct 12 10:31:51.852 INFO running `"docker" "rm" "-f" "446029a676dc6f45b7ab0a9a58fc49b65cab03eb4bd5120e4450b8911668eed9"`
Oct 12 10:31:52.136 INFO blam! 446029a676dc6f45b7ab0a9a58fc49b65cab03eb4bd5120e4450b8911668eed9