Nov 27 21:46:09.470 INFO checking roneesh/rust_book_exercises against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 21:46:09.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 21:46:10.038 INFO [stdout] e45e97cf06f4815eda520c82378b90317b60e50a6165d5f9598ad83c5871ffe2
Nov 27 21:46:10.039 INFO running `"docker" "start" "-a" "e45e97cf06f4815eda520c82378b90317b60e50a6165d5f9598ad83c5871ffe2"`
Nov 27 21:46:12.164 INFO [stderr] usermod: no changes
Nov 27 21:46:12.219 INFO [stderr]     Checking rust_book_exercises v0.1.0 (/source)
Nov 27 21:46:12.611 INFO [stderr] warning: unreachable expression
Nov 27 21:46:12.612 INFO [stderr]   --> src/main.rs:77:9
Nov 27 21:46:12.612 INFO [stderr]    |
Nov 27 21:46:12.613 INFO [stderr] 77 |         x + 1
Nov 27 21:46:12.614 INFO [stderr]    |         ^^^^^
Nov 27 21:46:12.615 INFO [stderr]    |
Nov 27 21:46:12.615 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 27 21:46:12.616 INFO [stderr] 
Nov 27 21:46:12.651 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.651 INFO [stderr]  --> src/main.rs:4:6
Nov 27 21:46:12.651 INFO [stderr]   |
Nov 27 21:46:12.652 INFO [stderr] 4 |     let x = 5;
Nov 27 21:46:12.652 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 27 21:46:12.652 INFO [stderr]   |
Nov 27 21:46:12.652 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 27 21:46:12.652 INFO [stderr] 
Nov 27 21:46:12.652 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.652 INFO [stderr]  --> src/main.rs:5:7
Nov 27 21:46:12.653 INFO [stderr]   |
Nov 27 21:46:12.653 INFO [stderr] 5 |     let (x, y, roneesh) = (1, 2, 3);
Nov 27 21:46:12.653 INFO [stderr]   |          ^ help: consider using `_x` instead
Nov 27 21:46:12.653 INFO [stderr] 
Nov 27 21:46:12.653 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.653 INFO [stderr]  --> src/main.rs:5:10
Nov 27 21:46:12.653 INFO [stderr]   |
Nov 27 21:46:12.653 INFO [stderr] 5 |     let (x, y, roneesh) = (1, 2, 3);
Nov 27 21:46:12.653 INFO [stderr]   |             ^ help: consider using `_y` instead
Nov 27 21:46:12.653 INFO [stderr] 
Nov 27 21:46:12.653 INFO [stderr] warning: unused variable: `roneesh`
Nov 27 21:46:12.653 INFO [stderr]  --> src/main.rs:5:13
Nov 27 21:46:12.654 INFO [stderr]   |
Nov 27 21:46:12.654 INFO [stderr] 5 |     let (x, y, roneesh) = (1, 2, 3);
Nov 27 21:46:12.654 INFO [stderr]   |                ^^^^^^^ help: consider using `_roneesh` instead
Nov 27 21:46:12.654 INFO [stderr] 
Nov 27 21:46:12.654 INFO [stderr] warning: unused variable: `z`
Nov 27 21:46:12.654 INFO [stderr]  --> src/main.rs:7:6
Nov 27 21:46:12.654 INFO [stderr]   |
Nov 27 21:46:12.654 INFO [stderr] 7 |     let z : i32 = 5;
Nov 27 21:46:12.654 INFO [stderr]   |         ^ help: consider using `_z` instead
Nov 27 21:46:12.654 INFO [stderr] 
Nov 27 21:46:12.660 INFO [stderr] warning: variable `a` is assigned to, but never used
Nov 27 21:46:12.660 INFO [stderr]  --> src/main.rs:9:10
Nov 27 21:46:12.660 INFO [stderr]   |
Nov 27 21:46:12.660 INFO [stderr] 9 |     let mut a = 5;
Nov 27 21:46:12.660 INFO [stderr]   |             ^
Nov 27 21:46:12.660 INFO [stderr]   |
Nov 27 21:46:12.660 INFO [stderr]   = note: consider using `_a` instead
Nov 27 21:46:12.660 INFO [stderr] 
Nov 27 21:46:12.660 INFO [stderr] warning: value assigned to `a` is never read
Nov 27 21:46:12.660 INFO [stderr]   --> src/main.rs:10:2
Nov 27 21:46:12.660 INFO [stderr]    |
Nov 27 21:46:12.660 INFO [stderr] 10 |     a = 10;
Nov 27 21:46:12.660 INFO [stderr]    |     ^
Nov 27 21:46:12.663 INFO [stderr]    |
Nov 27 21:46:12.663 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 27 21:46:12.663 INFO [stderr] 
Nov 27 21:46:12.663 INFO [stderr] warning: unused variable: `b`
Nov 27 21:46:12.663 INFO [stderr]   --> src/main.rs:12:6
Nov 27 21:46:12.663 INFO [stderr]    |
Nov 27 21:46:12.663 INFO [stderr] 12 |     let b: i32;
Nov 27 21:46:12.663 INFO [stderr]    |         ^ help: consider using `_b` instead
Nov 27 21:46:12.663 INFO [stderr] 
Nov 27 21:46:12.663 INFO [stderr] warning: value assigned to `x` is never read
Nov 27 21:46:12.663 INFO [stderr]   --> src/main.rs:35:10
Nov 27 21:46:12.663 INFO [stderr]    |
Nov 27 21:46:12.663 INFO [stderr] 35 |     let mut x: i32 = 1;
Nov 27 21:46:12.663 INFO [stderr]    |             ^
Nov 27 21:46:12.663 INFO [stderr] 
Nov 27 21:46:12.663 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.663 INFO [stderr]   --> src/main.rs:37:6
Nov 27 21:46:12.663 INFO [stderr]    |
Nov 27 21:46:12.663 INFO [stderr] 37 |     let x = x;
Nov 27 21:46:12.663 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 27 21:46:12.663 INFO [stderr] 
Nov 27 21:46:12.663 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.663 INFO [stderr]   --> src/main.rs:39:6
Nov 27 21:46:12.663 INFO [stderr]    |
Nov 27 21:46:12.663 INFO [stderr] 39 |     let y = 4;
Nov 27 21:46:12.667 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.667 INFO [stderr]   --> src/main.rs:40:6
Nov 27 21:46:12.667 INFO [stderr]    |
Nov 27 21:46:12.667 INFO [stderr] 40 |     let y = "I can also be bound to text!"; 
Nov 27 21:46:12.667 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `f`
Nov 27 21:46:12.667 INFO [stderr]   --> src/main.rs:94:9
Nov 27 21:46:12.667 INFO [stderr]    |
Nov 27 21:46:12.667 INFO [stderr] 94 |     let f : fn(i32) -> i32;
Nov 27 21:46:12.667 INFO [stderr]    |         ^ help: consider using `_f` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `f`
Nov 27 21:46:12.667 INFO [stderr]    --> src/main.rs:100:9
Nov 27 21:46:12.667 INFO [stderr]     |
Nov 27 21:46:12.667 INFO [stderr] 100 |     let f: fn(i32) -> i32 = plus_one;
Nov 27 21:46:12.667 INFO [stderr]     |         ^ help: consider using `_f` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `six`
Nov 27 21:46:12.667 INFO [stderr]    --> src/main.rs:102:9
Nov 27 21:46:12.667 INFO [stderr]     |
Nov 27 21:46:12.667 INFO [stderr] 102 |     let six = f(5);
Nov 27 21:46:12.667 INFO [stderr]     |         ^^^ help: consider using `_six` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.667 INFO [stderr]    --> src/main.rs:111:9
Nov 27 21:46:12.667 INFO [stderr]     |
Nov 27 21:46:12.667 INFO [stderr] 111 |     let x = true;
Nov 27 21:46:12.667 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.667 INFO [stderr]    --> src/main.rs:117:9
Nov 27 21:46:12.667 INFO [stderr]     |
Nov 27 21:46:12.667 INFO [stderr] 117 |     let x = 42; // x has type of i32 now
Nov 27 21:46:12.667 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 27 21:46:12.667 INFO [stderr] 
Nov 27 21:46:12.667 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.667 INFO [stderr]    --> src/main.rs:118:9
Nov 27 21:46:12.668 INFO [stderr]     |
Nov 27 21:46:12.668 INFO [stderr] 118 |     let y = 1.0; // y has type of f64 now
Nov 27 21:46:12.668 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 27 21:46:12.668 INFO [stderr] 
Nov 27 21:46:12.668 INFO [stderr] warning: unused variable: `a`
Nov 27 21:46:12.668 INFO [stderr]    --> src/main.rs:120:9
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 120 |     let a = [1,2,3]; // array of types i32, 3 elements
Nov 27 21:46:12.675 INFO [stderr]     |         ^ help: consider using `_a` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `m`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:121:13
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 121 |     let mut m = [1,2,3]; //array of types i32, 3 elements, but it is mutable
Nov 27 21:46:12.675 INFO [stderr]     |             ^ help: consider using `_m` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `a`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:122:9
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 122 |     let a = [0; 20]; // arry of 20 i32 elements
Nov 27 21:46:12.675 INFO [stderr]     |         ^ help: consider using `_a` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `tup`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:134:9
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 134 |     let tup = (1, "hello");
Nov 27 21:46:12.675 INFO [stderr]     |         ^^^ help: consider using `_tup` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `tup2`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:135:9
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 135 |     let tup2 : (i32, &str) = (1, "hello");
Nov 27 21:46:12.675 INFO [stderr]     |         ^^^^ help: consider using `_tup2` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:137:10
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 137 |     let (x,y,z) = (1, "hello", 3);
Nov 27 21:46:12.675 INFO [stderr]     |          ^ help: consider using `_x` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:137:12
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 137 |     let (x,y,z) = (1, "hello", 3);
Nov 27 21:46:12.675 INFO [stderr]     |            ^ help: consider using `_y` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:143:9
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 143 |     let y = tuppy.1;
Nov 27 21:46:12.675 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 27 21:46:12.675 INFO [stderr] 
Nov 27 21:46:12.675 INFO [stderr] warning: unused variable: `z`
Nov 27 21:46:12.675 INFO [stderr]    --> src/main.rs:144:9
Nov 27 21:46:12.675 INFO [stderr]     |
Nov 27 21:46:12.675 INFO [stderr] 144 |     let z = tuppy.2;
Nov 27 21:46:12.675 INFO [stderr]     |         ^ help: consider using `_z` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `v`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:218:9
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 218 |     let v = vec![1,2,3,4,5];// v: Vec<i32>
Nov 27 21:46:12.676 INFO [stderr]     |         ^ help: consider using `_v` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `v2`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:256:9
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 256 |     let v2 = v; 
Nov 27 21:46:12.676 INFO [stderr]     |         ^^ help: consider using `_v2` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `c`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:269:9
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 269 |     let c : bool = flip(b);
Nov 27 21:46:12.676 INFO [stderr]     |         ^ help: consider using `_c` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `v1`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:287:10
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 287 |     let (v1, v2, answer) = boo(v1, v2);
Nov 27 21:46:12.676 INFO [stderr]     |          ^^ help: consider using `_v1` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `v2`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:287:14
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 287 |     let (v1, v2, answer) = boo(v1, v2);
Nov 27 21:46:12.676 INFO [stderr]     |              ^^ help: consider using `_v2` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `answer`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:287:18
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 287 |     let (v1, v2, answer) = boo(v1, v2);
Nov 27 21:46:12.676 INFO [stderr]     |                  ^^^^^^ help: consider using `_answer` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `answer`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:308:9
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 308 |     let answer = noo(&v1, &v2);
Nov 27 21:46:12.676 INFO [stderr]     |         ^^^^^^ help: consider using `_answer` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `origin`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:377:13
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 377 |         let origin = Point(0,0,0);
Nov 27 21:46:12.676 INFO [stderr]     |             ^^^^^^ help: consider using `_origin` instead
Nov 27 21:46:12.676 INFO [stderr] 
Nov 27 21:46:12.676 INFO [stderr] warning: unused variable: `black`
Nov 27 21:46:12.676 INFO [stderr]    --> src/main.rs:380:9
Nov 27 21:46:12.676 INFO [stderr]     |
Nov 27 21:46:12.676 INFO [stderr] 380 |     let black = Color(0,0,0);
Nov 27 21:46:12.676 INFO [stderr]     |         ^^^^^ help: consider using `_black` instead
Nov 27 21:46:12.677 INFO [stderr] 
Nov 27 21:46:12.677 INFO [stderr] warning: unused variable: `white`
Nov 27 21:46:12.677 INFO [stderr]    --> src/main.rs:381:9
Nov 27 21:46:12.677 INFO [stderr]     |
Nov 27 21:46:12.677 INFO [stderr] 381 |     let white = Color(255,255,255);
Nov 27 21:46:12.677 INFO [stderr]     |         ^^^^^ help: consider using `_white` instead
Nov 27 21:46:12.677 INFO [stderr] 
Nov 27 21:46:12.677 INFO [stderr] warning: unused variable: `length`
Nov 27 21:46:12.677 INFO [stderr]    --> src/main.rs:387:9
Nov 27 21:46:12.677 INFO [stderr]     |
Nov 27 21:46:12.677 INFO [stderr] 387 |     let length = Inches(10);
Nov 27 21:46:12.677 INFO [stderr]     |         ^^^^^^ help: consider using `_length` instead
Nov 27 21:46:12.677 INFO [stderr] 
Nov 27 21:46:12.677 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.677 INFO [stderr]    --> src/main.rs:390:9
Nov 27 21:46:12.677 INFO [stderr]     |
Nov 27 21:46:12.677 INFO [stderr] 390 |     let x = Electron;
Nov 27 21:46:12.677 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 27 21:46:12.677 INFO [stderr] 
Nov 27 21:46:12.677 INFO [stderr] warning: unused variable: `v1`
Nov 27 21:46:12.677 INFO [stderr]    --> src/main.rs:298:12
Nov 27 21:46:12.677 INFO [stderr]     |
Nov 27 21:46:12.677 INFO [stderr] 298 |     fn noo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Nov 27 21:46:12.677 INFO [stderr]     |            ^^ help: consider using `_v1` instead
Nov 27 21:46:12.677 INFO [stderr] 
Nov 27 21:46:12.678 INFO [stderr] warning: unused variable: `v2`
Nov 27 21:46:12.678 INFO [stderr]    --> src/main.rs:298:27
Nov 27 21:46:12.678 INFO [stderr]     |
Nov 27 21:46:12.678 INFO [stderr] 298 |     fn noo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Nov 27 21:46:12.678 INFO [stderr]     |                           ^^ help: consider using `_v2` instead
Nov 27 21:46:12.678 INFO [stderr] 
Nov 27 21:46:12.678 INFO [stderr] warning: unused variable: `r`
Nov 27 21:46:12.678 INFO [stderr]    --> src/main.rs:448:21
Nov 27 21:46:12.678 INFO [stderr]     |
Nov 27 21:46:12.678 INFO [stderr] 448 |     fn change_color(r: i32, g: i32, b: i32) { println!("change_color()");}
Nov 27 21:46:12.678 INFO [stderr]     |                     ^ help: consider using `_r` instead
Nov 27 21:46:12.678 INFO [stderr] 
Nov 27 21:46:12.678 INFO [stderr] warning: unused variable: `g`
Nov 27 21:46:12.678 INFO [stderr]    --> src/main.rs:448:29
Nov 27 21:46:12.678 INFO [stderr]     |
Nov 27 21:46:12.678 INFO [stderr] 448 |     fn change_color(r: i32, g: i32, b: i32) { println!("change_color()");}
Nov 27 21:46:12.678 INFO [stderr]     |                             ^ help: consider using `_g` instead
Nov 27 21:46:12.678 INFO [stderr] 
Nov 27 21:46:12.678 INFO [stderr] warning: unused variable: `b`
Nov 27 21:46:12.678 INFO [stderr]    --> src/main.rs:448:37
Nov 27 21:46:12.678 INFO [stderr]     |
Nov 27 21:46:12.678 INFO [stderr] 448 |     fn change_color(r: i32, g: i32, b: i32) { println!("change_color()");}
Nov 27 21:46:12.678 INFO [stderr]     |                                     ^ help: consider using `_b` instead
Nov 27 21:46:12.688 INFO [stderr] 
Nov 27 21:46:12.688 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.688 INFO [stderr]    --> src/main.rs:449:20
Nov 27 21:46:12.688 INFO [stderr]     |
Nov 27 21:46:12.688 INFO [stderr] 449 |     fn move_cursor(x: i32, y: i32) { println!("move()"); }
Nov 27 21:46:12.688 INFO [stderr]     |                    ^ help: consider using `_x` instead
Nov 27 21:46:12.688 INFO [stderr] 
Nov 27 21:46:12.688 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.688 INFO [stderr]    --> src/main.rs:449:28
Nov 27 21:46:12.688 INFO [stderr]     |
Nov 27 21:46:12.688 INFO [stderr] 449 |     fn move_cursor(x: i32, y: i32) { println!("move()"); }
Nov 27 21:46:12.688 INFO [stderr]     |                            ^ help: consider using `_y` instead
Nov 27 21:46:12.688 INFO [stderr] 
Nov 27 21:46:12.740 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:46:12.740 INFO [stderr]    --> src/main.rs:121:9
Nov 27 21:46:12.740 INFO [stderr]     |
Nov 27 21:46:12.740 INFO [stderr] 121 |     let mut m = [1,2,3]; //array of types i32, 3 elements, but it is mutable
Nov 27 21:46:12.740 INFO [stderr]     |         ----^
Nov 27 21:46:12.740 INFO [stderr]     |         |
Nov 27 21:46:12.740 INFO [stderr]     |         help: remove this `mut`
Nov 27 21:46:12.740 INFO [stderr]     |
Nov 27 21:46:12.740 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:46:12.740 INFO [stderr] 
Nov 27 21:46:12.756 INFO [stderr] warning: variable `linesEnum` should have a snake case name such as `lines_enum`
Nov 27 21:46:12.756 INFO [stderr]    --> src/main.rs:182:9
Nov 27 21:46:12.757 INFO [stderr]     |
Nov 27 21:46:12.757 INFO [stderr] 182 |     let linesEnum = lines.enumerate();
Nov 27 21:46:12.757 INFO [stderr]     |         ^^^^^^^^^
Nov 27 21:46:12.757 INFO [stderr]     |
Nov 27 21:46:12.757 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 27 21:46:12.757 INFO [stderr] 
Nov 27 21:46:12.758 INFO [stderr] warning: variable `charsEnum` should have a snake case name such as `chars_enum`
Nov 27 21:46:12.758 INFO [stderr]    --> src/main.rs:189:9
Nov 27 21:46:12.758 INFO [stderr]     |
Nov 27 21:46:12.758 INFO [stderr] 189 |     let charsEnum = "hello world".chars().enumerate();
Nov 27 21:46:12.758 INFO [stderr]     |         ^^^^^^^^^
Nov 27 21:46:12.758 INFO [stderr] 
Nov 27 21:46:12.758 INFO [stderr] warning: variable `charNumber` should have a snake case name such as `char_number`
Nov 27 21:46:12.759 INFO [stderr]    --> src/main.rs:190:10
Nov 27 21:46:12.759 INFO [stderr]     |
Nov 27 21:46:12.759 INFO [stderr] 190 |     for (charNumber, charItem) in charsEnum {
Nov 27 21:46:12.759 INFO [stderr]     |          ^^^^^^^^^^
Nov 27 21:46:12.759 INFO [stderr] 
Nov 27 21:46:12.759 INFO [stderr] warning: variable `charItem` should have a snake case name such as `char_item`
Nov 27 21:46:12.759 INFO [stderr]    --> src/main.rs:190:22
Nov 27 21:46:12.760 INFO [stderr]     |
Nov 27 21:46:12.760 INFO [stderr] 190 |     for (charNumber, charItem) in charsEnum {
Nov 27 21:46:12.760 INFO [stderr]     |                      ^^^^^^^^
Nov 27 21:46:12.760 INFO [stderr] 
Nov 27 21:46:12.764 INFO [stderr] warning: function `MessageWriter` should have a snake case name such as `message_writer`
Nov 27 21:46:12.764 INFO [stderr]    --> src/main.rs:424:5
Nov 27 21:46:12.765 INFO [stderr]     |
Nov 27 21:46:12.765 INFO [stderr] 424 | /     fn MessageWriter(x: String) -> Message {
Nov 27 21:46:12.765 INFO [stderr] 425 | |         Message::Write(x)
Nov 27 21:46:12.765 INFO [stderr] 426 | |     }
Nov 27 21:46:12.765 INFO [stderr]     | |_____^
Nov 27 21:46:12.765 INFO [stderr] 
Nov 27 21:46:12.765 INFO [stderr] warning: the `x:` in this pattern is redundant
Nov 27 21:46:12.765 INFO [stderr]    --> src/main.rs:455:27
Nov 27 21:46:12.766 INFO [stderr]     |
Nov 27 21:46:12.766 INFO [stderr] 455 |             Message::Move{x: x, y: y} => move_cursor(x,y),
Nov 27 21:46:12.766 INFO [stderr]     |                           --^^
Nov 27 21:46:12.766 INFO [stderr]     |                           |
Nov 27 21:46:12.766 INFO [stderr]     |                           help: remove this
Nov 27 21:46:12.766 INFO [stderr]     |
Nov 27 21:46:12.767 INFO [stderr]     = note: #[warn(non_shorthand_field_patterns)] on by default
Nov 27 21:46:12.767 INFO [stderr] 
Nov 27 21:46:12.767 INFO [stderr] warning: the `y:` in this pattern is redundant
Nov 27 21:46:12.767 INFO [stderr]    --> src/main.rs:455:33
Nov 27 21:46:12.767 INFO [stderr]     |
Nov 27 21:46:12.767 INFO [stderr] 455 |             Message::Move{x: x, y: y} => move_cursor(x,y),
Nov 27 21:46:12.767 INFO [stderr]     |                                 --^^
Nov 27 21:46:12.768 INFO [stderr]     |                                 |
Nov 27 21:46:12.768 INFO [stderr]     |                                 help: remove this
Nov 27 21:46:12.768 INFO [stderr] 
Nov 27 21:46:12.768 INFO [stderr] warning: unreachable expression
Nov 27 21:46:12.768 INFO [stderr]   --> src/main.rs:77:9
Nov 27 21:46:12.768 INFO [stderr]    |
Nov 27 21:46:12.769 INFO [stderr] 77 |         x + 1
Nov 27 21:46:12.769 INFO [stderr]    |         ^^^^^
Nov 27 21:46:12.769 INFO [stderr]    |
Nov 27 21:46:12.769 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 27 21:46:12.769 INFO [stderr] 
Nov 27 21:46:12.787 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.788 INFO [stderr]  --> src/main.rs:4:6
Nov 27 21:46:12.788 INFO [stderr]   |
Nov 27 21:46:12.788 INFO [stderr] 4 |     let x = 5;
Nov 27 21:46:12.788 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 27 21:46:12.788 INFO [stderr]   |
Nov 27 21:46:12.788 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 27 21:46:12.788 INFO [stderr] 
Nov 27 21:46:12.788 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.788 INFO [stderr]  --> src/main.rs:5:7
Nov 27 21:46:12.788 INFO [stderr]   |
Nov 27 21:46:12.788 INFO [stderr] 5 |     let (x, y, roneesh) = (1, 2, 3);
Nov 27 21:46:12.788 INFO [stderr]   |          ^ help: consider using `_x` instead
Nov 27 21:46:12.788 INFO [stderr] 
Nov 27 21:46:12.788 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.788 INFO [stderr]  --> src/main.rs:5:10
Nov 27 21:46:12.789 INFO [stderr]   |
Nov 27 21:46:12.789 INFO [stderr] 5 |     let (x, y, roneesh) = (1, 2, 3);
Nov 27 21:46:12.789 INFO [stderr]   |             ^ help: consider using `_y` instead
Nov 27 21:46:12.789 INFO [stderr] 
Nov 27 21:46:12.789 INFO [stderr] warning: unused variable: `roneesh`
Nov 27 21:46:12.789 INFO [stderr]  --> src/main.rs:5:13
Nov 27 21:46:12.789 INFO [stderr]   |
Nov 27 21:46:12.789 INFO [stderr] 5 |     let (x, y, roneesh) = (1, 2, 3);
Nov 27 21:46:12.789 INFO [stderr]   |                ^^^^^^^ help: consider using `_roneesh` instead
Nov 27 21:46:12.789 INFO [stderr] 
Nov 27 21:46:12.789 INFO [stderr] warning: unused variable: `z`
Nov 27 21:46:12.789 INFO [stderr]  --> src/main.rs:7:6
Nov 27 21:46:12.789 INFO [stderr]   |
Nov 27 21:46:12.789 INFO [stderr] 7 |     let z : i32 = 5;
Nov 27 21:46:12.789 INFO [stderr]   |         ^ help: consider using `_z` instead
Nov 27 21:46:12.789 INFO [stderr] 
Nov 27 21:46:12.789 INFO [stderr] warning: variable `a` is assigned to, but never used
Nov 27 21:46:12.789 INFO [stderr]  --> src/main.rs:9:10
Nov 27 21:46:12.790 INFO [stderr]   |
Nov 27 21:46:12.790 INFO [stderr] 9 |     let mut a = 5;
Nov 27 21:46:12.790 INFO [stderr]   |             ^
Nov 27 21:46:12.790 INFO [stderr]   |
Nov 27 21:46:12.790 INFO [stderr]   = note: consider using `_a` instead
Nov 27 21:46:12.790 INFO [stderr] 
Nov 27 21:46:12.790 INFO [stderr] warning: value assigned to `a` is never read
Nov 27 21:46:12.790 INFO [stderr]   --> src/main.rs:10:2
Nov 27 21:46:12.790 INFO [stderr]    |
Nov 27 21:46:12.790 INFO [stderr] 10 |     a = 10;
Nov 27 21:46:12.790 INFO [stderr]    |     ^
Nov 27 21:46:12.790 INFO [stderr]    |
Nov 27 21:46:12.790 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 27 21:46:12.790 INFO [stderr] 
Nov 27 21:46:12.790 INFO [stderr] warning: unused variable: `b`
Nov 27 21:46:12.791 INFO [stderr]   --> src/main.rs:12:6
Nov 27 21:46:12.791 INFO [stderr]    |
Nov 27 21:46:12.791 INFO [stderr] 12 |     let b: i32;
Nov 27 21:46:12.791 INFO [stderr]    |         ^ help: consider using `_b` instead
Nov 27 21:46:12.791 INFO [stderr] 
Nov 27 21:46:12.791 INFO [stderr] warning: value assigned to `x` is never read
Nov 27 21:46:12.791 INFO [stderr]   --> src/main.rs:35:10
Nov 27 21:46:12.791 INFO [stderr]    |
Nov 27 21:46:12.791 INFO [stderr] 35 |     let mut x: i32 = 1;
Nov 27 21:46:12.791 INFO [stderr]    |             ^
Nov 27 21:46:12.791 INFO [stderr] 
Nov 27 21:46:12.791 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.791 INFO [stderr]   --> src/main.rs:37:6
Nov 27 21:46:12.791 INFO [stderr]    |
Nov 27 21:46:12.791 INFO [stderr] 37 |     let x = x;
Nov 27 21:46:12.791 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 27 21:46:12.791 INFO [stderr] 
Nov 27 21:46:12.791 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.792 INFO [stderr]   --> src/main.rs:39:6
Nov 27 21:46:12.792 INFO [stderr]    |
Nov 27 21:46:12.792 INFO [stderr] 39 |     let y = 4;
Nov 27 21:46:12.792 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 27 21:46:12.792 INFO [stderr] 
Nov 27 21:46:12.792 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.793 INFO [stderr]   --> src/main.rs:40:6
Nov 27 21:46:12.793 INFO [stderr]    |
Nov 27 21:46:12.793 INFO [stderr] 40 |     let y = "I can also be bound to text!"; 
Nov 27 21:46:12.793 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 27 21:46:12.793 INFO [stderr] 
Nov 27 21:46:12.793 INFO [stderr] warning: unused variable: `f`
Nov 27 21:46:12.793 INFO [stderr]   --> src/main.rs:94:9
Nov 27 21:46:12.793 INFO [stderr]    |
Nov 27 21:46:12.793 INFO [stderr] 94 |     let f : fn(i32) -> i32;
Nov 27 21:46:12.793 INFO [stderr]    |         ^ help: consider using `_f` instead
Nov 27 21:46:12.793 INFO [stderr] 
Nov 27 21:46:12.794 INFO [stderr] warning: unused variable: `f`
Nov 27 21:46:12.794 INFO [stderr]    --> src/main.rs:100:9
Nov 27 21:46:12.794 INFO [stderr]     |
Nov 27 21:46:12.794 INFO [stderr] 100 |     let f: fn(i32) -> i32 = plus_one;
Nov 27 21:46:12.794 INFO [stderr]     |         ^ help: consider using `_f` instead
Nov 27 21:46:12.794 INFO [stderr] 
Nov 27 21:46:12.794 INFO [stderr] warning: unused variable: `six`
Nov 27 21:46:12.794 INFO [stderr]    --> src/main.rs:102:9
Nov 27 21:46:12.794 INFO [stderr]     |
Nov 27 21:46:12.794 INFO [stderr] 102 |     let six = f(5);
Nov 27 21:46:12.794 INFO [stderr]     |         ^^^ help: consider using `_six` instead
Nov 27 21:46:12.794 INFO [stderr] 
Nov 27 21:46:12.794 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.794 INFO [stderr]    --> src/main.rs:111:9
Nov 27 21:46:12.794 INFO [stderr]     |
Nov 27 21:46:12.794 INFO [stderr] 111 |     let x = true;
Nov 27 21:46:12.794 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 27 21:46:12.794 INFO [stderr] 
Nov 27 21:46:12.794 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.794 INFO [stderr]    --> src/main.rs:117:9
Nov 27 21:46:12.794 INFO [stderr]     |
Nov 27 21:46:12.795 INFO [stderr] 117 |     let x = 42; // x has type of i32 now
Nov 27 21:46:12.795 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 27 21:46:12.795 INFO [stderr] 
Nov 27 21:46:12.795 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.795 INFO [stderr]    --> src/main.rs:118:9
Nov 27 21:46:12.795 INFO [stderr]     |
Nov 27 21:46:12.795 INFO [stderr] 118 |     let y = 1.0; // y has type of f64 now
Nov 27 21:46:12.795 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 27 21:46:12.795 INFO [stderr] 
Nov 27 21:46:12.795 INFO [stderr] warning: unused variable: `a`
Nov 27 21:46:12.795 INFO [stderr]    --> src/main.rs:120:9
Nov 27 21:46:12.795 INFO [stderr]     |
Nov 27 21:46:12.795 INFO [stderr] 120 |     let a = [1,2,3]; // array of types i32, 3 elements
Nov 27 21:46:12.795 INFO [stderr]     |         ^ help: consider using `_a` instead
Nov 27 21:46:12.795 INFO [stderr] 
Nov 27 21:46:12.795 INFO [stderr] warning: unused variable: `m`
Nov 27 21:46:12.795 INFO [stderr]    --> src/main.rs:121:13
Nov 27 21:46:12.795 INFO [stderr]     |
Nov 27 21:46:12.795 INFO [stderr] 121 |     let mut m = [1,2,3]; //array of types i32, 3 elements, but it is mutable
Nov 27 21:46:12.795 INFO [stderr]     |             ^ help: consider using `_m` instead
Nov 27 21:46:12.795 INFO [stderr] 
Nov 27 21:46:12.795 INFO [stderr] warning: unused variable: `a`
Nov 27 21:46:12.795 INFO [stderr]    --> src/main.rs:122:9
Nov 27 21:46:12.795 INFO [stderr]     |
Nov 27 21:46:12.795 INFO [stderr] 122 |     let a = [0; 20]; // arry of 20 i32 elements
Nov 27 21:46:12.796 INFO [stderr]     |         ^ help: consider using `_a` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `tup`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:134:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 134 |     let tup = (1, "hello");
Nov 27 21:46:12.796 INFO [stderr]     |         ^^^ help: consider using `_tup` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `tup2`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:135:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 135 |     let tup2 : (i32, &str) = (1, "hello");
Nov 27 21:46:12.796 INFO [stderr]     |         ^^^^ help: consider using `_tup2` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:137:10
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 137 |     let (x,y,z) = (1, "hello", 3);
Nov 27 21:46:12.796 INFO [stderr]     |          ^ help: consider using `_x` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:137:12
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 137 |     let (x,y,z) = (1, "hello", 3);
Nov 27 21:46:12.796 INFO [stderr]     |            ^ help: consider using `_y` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:143:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 143 |     let y = tuppy.1;
Nov 27 21:46:12.796 INFO [stderr]     |         ^ help: consider using `_y` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `z`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:144:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 144 |     let z = tuppy.2;
Nov 27 21:46:12.796 INFO [stderr]     |         ^ help: consider using `_z` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `v`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:218:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 218 |     let v = vec![1,2,3,4,5];// v: Vec<i32>
Nov 27 21:46:12.796 INFO [stderr]     |         ^ help: consider using `_v` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `v2`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:256:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 256 |     let v2 = v; 
Nov 27 21:46:12.796 INFO [stderr]     |         ^^ help: consider using `_v2` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `c`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:269:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 269 |     let c : bool = flip(b);
Nov 27 21:46:12.796 INFO [stderr]     |         ^ help: consider using `_c` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `v1`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:287:10
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 287 |     let (v1, v2, answer) = boo(v1, v2);
Nov 27 21:46:12.796 INFO [stderr]     |          ^^ help: consider using `_v1` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `v2`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:287:14
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 287 |     let (v1, v2, answer) = boo(v1, v2);
Nov 27 21:46:12.796 INFO [stderr]     |              ^^ help: consider using `_v2` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `answer`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:287:18
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 287 |     let (v1, v2, answer) = boo(v1, v2);
Nov 27 21:46:12.796 INFO [stderr]     |                  ^^^^^^ help: consider using `_answer` instead
Nov 27 21:46:12.796 INFO [stderr] 
Nov 27 21:46:12.796 INFO [stderr] warning: unused variable: `answer`
Nov 27 21:46:12.796 INFO [stderr]    --> src/main.rs:308:9
Nov 27 21:46:12.796 INFO [stderr]     |
Nov 27 21:46:12.796 INFO [stderr] 308 |     let answer = noo(&v1, &v2);
Nov 27 21:46:12.796 INFO [stderr]     |         ^^^^^^ help: consider using `_answer` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `origin`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:377:13
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 377 |         let origin = Point(0,0,0);
Nov 27 21:46:12.797 INFO [stderr]     |             ^^^^^^ help: consider using `_origin` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `black`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:380:9
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 380 |     let black = Color(0,0,0);
Nov 27 21:46:12.797 INFO [stderr]     |         ^^^^^ help: consider using `_black` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `white`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:381:9
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 381 |     let white = Color(255,255,255);
Nov 27 21:46:12.797 INFO [stderr]     |         ^^^^^ help: consider using `_white` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `length`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:387:9
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 387 |     let length = Inches(10);
Nov 27 21:46:12.797 INFO [stderr]     |         ^^^^^^ help: consider using `_length` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:390:9
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 390 |     let x = Electron;
Nov 27 21:46:12.797 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `v1`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:298:12
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 298 |     fn noo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Nov 27 21:46:12.797 INFO [stderr]     |            ^^ help: consider using `_v1` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `v2`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:298:27
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 298 |     fn noo(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Nov 27 21:46:12.797 INFO [stderr]     |                           ^^ help: consider using `_v2` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `r`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:448:21
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 448 |     fn change_color(r: i32, g: i32, b: i32) { println!("change_color()");}
Nov 27 21:46:12.797 INFO [stderr]     |                     ^ help: consider using `_r` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `g`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:448:29
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 448 |     fn change_color(r: i32, g: i32, b: i32) { println!("change_color()");}
Nov 27 21:46:12.797 INFO [stderr]     |                             ^ help: consider using `_g` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `b`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:448:37
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 448 |     fn change_color(r: i32, g: i32, b: i32) { println!("change_color()");}
Nov 27 21:46:12.797 INFO [stderr]     |                                     ^ help: consider using `_b` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `x`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:449:20
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 449 |     fn move_cursor(x: i32, y: i32) { println!("move()"); }
Nov 27 21:46:12.797 INFO [stderr]     |                    ^ help: consider using `_x` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.797 INFO [stderr] warning: unused variable: `y`
Nov 27 21:46:12.797 INFO [stderr]    --> src/main.rs:449:28
Nov 27 21:46:12.797 INFO [stderr]     |
Nov 27 21:46:12.797 INFO [stderr] 449 |     fn move_cursor(x: i32, y: i32) { println!("move()"); }
Nov 27 21:46:12.797 INFO [stderr]     |                            ^ help: consider using `_y` instead
Nov 27 21:46:12.797 INFO [stderr] 
Nov 27 21:46:12.833 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:46:12.833 INFO [stderr]    --> src/main.rs:121:9
Nov 27 21:46:12.833 INFO [stderr]     |
Nov 27 21:46:12.833 INFO [stderr] 121 |     let mut m = [1,2,3]; //array of types i32, 3 elements, but it is mutable
Nov 27 21:46:12.833 INFO [stderr]     |         ----^
Nov 27 21:46:12.833 INFO [stderr]     |         |
Nov 27 21:46:12.833 INFO [stderr]     |         help: remove this `mut`
Nov 27 21:46:12.833 INFO [stderr]     |
Nov 27 21:46:12.833 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:46:12.833 INFO [stderr] 
Nov 27 21:46:12.850 INFO [stderr] warning: function is never used: `foo`
Nov 27 21:46:12.850 INFO [stderr]   --> src/main.rs:49:2
Nov 27 21:46:12.850 INFO [stderr]    |
Nov 27 21:46:12.850 INFO [stderr] 49 |     fn foo() {
Nov 27 21:46:12.850 INFO [stderr]    |     ^^^^^^^^
Nov 27 21:46:12.850 INFO [stderr]    |
Nov 27 21:46:12.850 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 21:46:12.850 INFO [stderr] 
Nov 27 21:46:12.850 INFO [stderr] warning: function is never used: `foo`
Nov 27 21:46:12.850 INFO [stderr]   --> src/main.rs:73:6
Nov 27 21:46:12.850 INFO [stderr]    |
Nov 27 21:46:12.850 INFO [stderr] 73 |     {fn foo(x: i32) -> i32 {
Nov 27 21:46:12.850 INFO [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:46:12.850 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: function is never used: `foo`
Nov 27 21:46:12.851 INFO [stderr]   --> src/main.rs:81:6
Nov 27 21:46:12.851 INFO [stderr]    |
Nov 27 21:46:12.851 INFO [stderr] 81 |     {fn foo(x: i32) -> i32 {
Nov 27 21:46:12.851 INFO [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: function is never used: `diverges`
Nov 27 21:46:12.851 INFO [stderr]   --> src/main.rs:85:5
Nov 27 21:46:12.851 INFO [stderr]    |
Nov 27 21:46:12.851 INFO [stderr] 85 |     fn diverges() -> ! {
Nov 27 21:46:12.851 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Nov 27 21:46:12.851 INFO [stderr]    --> src/main.rs:404:9
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr] 404 |         ChangeColor(i32, i32, i32),
Nov 27 21:46:12.851 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: variant is never constructed: `Move`
Nov 27 21:46:12.851 INFO [stderr]    --> src/main.rs:413:9
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr] 413 |         Move { squares: i32 },
Nov 27 21:46:12.851 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: variable `linesEnum` should have a snake case name such as `lines_enum`
Nov 27 21:46:12.851 INFO [stderr]    --> src/main.rs:182:9
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr] 182 |     let linesEnum = lines.enumerate();
Nov 27 21:46:12.851 INFO [stderr]     |         ^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: variable `charsEnum` should have a snake case name such as `chars_enum`
Nov 27 21:46:12.851 INFO [stderr]    --> src/main.rs:189:9
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr] 189 |     let charsEnum = "hello world".chars().enumerate();
Nov 27 21:46:12.851 INFO [stderr]     |         ^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: variable `charNumber` should have a snake case name such as `char_number`
Nov 27 21:46:12.851 INFO [stderr]    --> src/main.rs:190:10
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr] 190 |     for (charNumber, charItem) in charsEnum {
Nov 27 21:46:12.851 INFO [stderr]     |          ^^^^^^^^^^
Nov 27 21:46:12.851 INFO [stderr] 
Nov 27 21:46:12.851 INFO [stderr] warning: variable `charItem` should have a snake case name such as `char_item`
Nov 27 21:46:12.851 INFO [stderr]    --> src/main.rs:190:22
Nov 27 21:46:12.851 INFO [stderr]     |
Nov 27 21:46:12.851 INFO [stderr] 190 |     for (charNumber, charItem) in charsEnum {
Nov 27 21:46:12.852 INFO [stderr]     |                      ^^^^^^^^
Nov 27 21:46:12.852 INFO [stderr] 
Nov 27 21:46:12.852 INFO [stderr] warning: function `MessageWriter` should have a snake case name such as `message_writer`
Nov 27 21:46:12.852 INFO [stderr]    --> src/main.rs:424:5
Nov 27 21:46:12.852 INFO [stderr]     |
Nov 27 21:46:12.852 INFO [stderr] 424 | /     fn MessageWriter(x: String) -> Message {
Nov 27 21:46:12.852 INFO [stderr] 425 | |         Message::Write(x)
Nov 27 21:46:12.852 INFO [stderr] 426 | |     }
Nov 27 21:46:12.852 INFO [stderr]     | |_____^
Nov 27 21:46:12.852 INFO [stderr] 
Nov 27 21:46:12.852 INFO [stderr] warning: the `x:` in this pattern is redundant
Nov 27 21:46:12.852 INFO [stderr]    --> src/main.rs:455:27
Nov 27 21:46:12.852 INFO [stderr]     |
Nov 27 21:46:12.852 INFO [stderr] 455 |             Message::Move{x: x, y: y} => move_cursor(x,y),
Nov 27 21:46:12.852 INFO [stderr]     |                           --^^
Nov 27 21:46:12.852 INFO [stderr]     |                           |
Nov 27 21:46:12.852 INFO [stderr]     |                           help: remove this
Nov 27 21:46:12.852 INFO [stderr]     |
Nov 27 21:46:12.852 INFO [stderr]     = note: #[warn(non_shorthand_field_patterns)] on by default
Nov 27 21:46:12.852 INFO [stderr] 
Nov 27 21:46:12.852 INFO [stderr] warning: the `y:` in this pattern is redundant
Nov 27 21:46:12.852 INFO [stderr]    --> src/main.rs:455:33
Nov 27 21:46:12.852 INFO [stderr]     |
Nov 27 21:46:12.852 INFO [stderr] 455 |             Message::Move{x: x, y: y} => move_cursor(x,y),
Nov 27 21:46:12.852 INFO [stderr]     |                                 --^^
Nov 27 21:46:12.852 INFO [stderr]     |                                 |
Nov 27 21:46:12.852 INFO [stderr]     |                                 help: remove this
Nov 27 21:46:12.852 INFO [stderr] 
Nov 27 21:46:12.894 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Nov 27 21:46:12.896 INFO [stderr] su: No module specific data is present
Nov 27 21:46:14.271 INFO running `"docker" "inspect" "e45e97cf06f4815eda520c82378b90317b60e50a6165d5f9598ad83c5871ffe2"`
Nov 27 21:46:14.626 INFO running `"docker" "rm" "-f" "e45e97cf06f4815eda520c82378b90317b60e50a6165d5f9598ad83c5871ffe2"`
Nov 27 21:46:14.936 INFO [stdout] e45e97cf06f4815eda520c82378b90317b60e50a6165d5f9598ad83c5871ffe2