Dec 01 02:28:32.845 INFO testing shuntaka9576/ruststudy against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 02:28:32.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 02:28:33.102 INFO [stdout] 48d47a9319342df31f37fe9f800fd4740ea7b1e6d37da15d76dc55bfe6b09bf8
Dec 01 02:28:33.109 INFO running `"docker" "start" "-a" "48d47a9319342df31f37fe9f800fd4740ea7b1e6d37da15d76dc55bfe6b09bf8"`
Dec 01 02:28:33.587 INFO [stderr] usermod: no changes
Dec 01 02:28:33.643 INFO [stderr]    Compiling ruststudy v0.1.0 (/source)
Dec 01 02:28:33.841 INFO [stderr] warning: unused import: `std::env`
Dec 01 02:28:33.841 INFO [stderr]   --> src/effective/mod.rs:11:9
Dec 01 02:28:33.841 INFO [stderr]    |
Dec 01 02:28:33.841 INFO [stderr] 11 |     use std::env;
Dec 01 02:28:33.841 INFO [stderr]    |         ^^^^^^^^
Dec 01 02:28:33.841 INFO [stderr]    |
Dec 01 02:28:33.841 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 01 02:28:33.841 INFO [stderr] 
Dec 01 02:28:34.079 INFO [stderr] warning: unreachable pattern
Dec 01 02:28:34.079 INFO [stderr]    --> src/main.rs:555:9
Dec 01 02:28:34.079 INFO [stderr]     |
Dec 01 02:28:34.079 INFO [stderr] 555 |         _ => println!("anything"),
Dec 01 02:28:34.079 INFO [stderr]     |         ^
Dec 01 02:28:34.079 INFO [stderr]     |
Dec 01 02:28:34.079 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 01 02:28:34.079 INFO [stderr] 
Dec 01 02:28:34.079 INFO [stderr] warning: unused variable: `v9`
Dec 01 02:28:34.079 INFO [stderr]    --> src/main.rs:339:13
Dec 01 02:28:34.079 INFO [stderr]     |
Dec 01 02:28:34.079 INFO [stderr] 339 |     let mut v9 = &mut v8;
Dec 01 02:28:34.079 INFO [stderr]     |             ^^ help: consider using `_v9` instead
Dec 01 02:28:34.079 INFO [stderr]     |
Dec 01 02:28:34.079 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 02:28:34.079 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `v1`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:295:17
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 295 |     fn change_v(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Dec 01 02:28:34.080 INFO [stderr]     |                 ^^ help: consider using `_v1` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `v2`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:295:32
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 295 |     fn change_v(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Dec 01 02:28:34.080 INFO [stderr]     |                                ^^ help: consider using `_v2` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `black`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:430:9
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 430 |     let black = Color(0, 0, 0);
Dec 01 02:28:34.080 INFO [stderr]     |         ^^^^^ help: consider using `_black` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `origin`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:431:9
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 431 |     let origin = Point(0, 0, 0);
Dec 01 02:28:34.080 INFO [stderr]     |         ^^^^^^ help: consider using `_origin` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `x`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:434:9
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 434 |     let x = Electron;
Dec 01 02:28:34.080 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `x`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:446:9
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 446 |     let x: Message = Message::Move { x: 3, y: 4 };
Dec 01 02:28:34.080 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `y`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:453:9
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 453 |     let y: BoardGameTurn = BoardGameTurn::Move { squares: 1 };
Dec 01 02:28:34.080 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `m`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:454:9
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 454 |     let m = Message::Write("Hello, world".to_string());
Dec 01 02:28:34.080 INFO [stderr]     |         ^ help: consider using `_m` instead
Dec 01 02:28:34.080 INFO [stderr] 
Dec 01 02:28:34.080 INFO [stderr] warning: unused variable: `r`
Dec 01 02:28:34.080 INFO [stderr]    --> src/main.rs:489:21
Dec 01 02:28:34.080 INFO [stderr]     |
Dec 01 02:28:34.080 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:34.081 INFO [stderr]     |                     ^ help: consider using `_r` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `g`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:489:29
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:34.081 INFO [stderr]     |                             ^ help: consider using `_g` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `b`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:489:37
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:34.081 INFO [stderr]     |                                     ^ help: consider using `_b` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `x`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:490:20
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 490 |     fn move_cursor(x: i32, y: i32) {}
Dec 01 02:28:34.081 INFO [stderr]     |                    ^ help: consider using `_x` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `y`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:490:28
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 490 |     fn move_cursor(x: i32, y: i32) {}
Dec 01 02:28:34.081 INFO [stderr]     |                            ^ help: consider using `_y` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `c2`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:672:9
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 672 |     let c2 = Circle::new(0.0, 0.0, 2.0);
Dec 01 02:28:34.081 INFO [stderr]     |         ^^ help: consider using `_c2` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `j`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:734:9
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 734 |     let j: i32 = 0;
Dec 01 02:28:34.081 INFO [stderr]     |         ^ help: consider using `_j` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `s`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:752:9
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 752 |     let s = "foo\nbar";
Dec 01 02:28:34.081 INFO [stderr]     |         ^ help: consider using `_s` instead
Dec 01 02:28:34.081 INFO [stderr] 
Dec 01 02:28:34.081 INFO [stderr] warning: unused variable: `dog`
Dec 01 02:28:34.081 INFO [stderr]    --> src/main.rs:771:9
Dec 01 02:28:34.081 INFO [stderr]     |
Dec 01 02:28:34.081 INFO [stderr] 771 |     let dog = hachiko.chars().nth(1);
Dec 01 02:28:34.081 INFO [stderr]     |         ^^^ help: consider using `_dog` instead
Dec 01 02:28:34.082 INFO [stderr] 
Dec 01 02:28:34.087 INFO [stderr] warning: unused variable: `int_origin`
Dec 01 02:28:34.087 INFO [stderr]    --> src/main.rs:813:9
Dec 01 02:28:34.087 INFO [stderr]     |
Dec 01 02:28:34.087 INFO [stderr] 813 |     let int_origin = Point { x: 0, y: 0 };
Dec 01 02:28:34.087 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_int_origin` instead
Dec 01 02:28:34.087 INFO [stderr] 
Dec 01 02:28:34.087 INFO [stderr] warning: unused variable: `float_origin`
Dec 01 02:28:34.087 INFO [stderr]    --> src/main.rs:814:9
Dec 01 02:28:34.087 INFO [stderr]     |
Dec 01 02:28:34.087 INFO [stderr] 814 |     let float_origin = Point { x: 0.0, y: 0.0 };
Dec 01 02:28:34.088 INFO [stderr]     |         ^^^^^^^^^^^^ help: consider using `_float_origin` instead
Dec 01 02:28:34.088 INFO [stderr] 
Dec 01 02:28:34.088 INFO [stderr] warning: unused variable: `firecracker`
Dec 01 02:28:34.088 INFO [stderr]    --> src/main.rs:926:9
Dec 01 02:28:34.088 INFO [stderr]     |
Dec 01 02:28:34.088 INFO [stderr] 926 |     let firecracker = Firework { strength: 1 };
Dec 01 02:28:34.088 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_firecracker` instead
Dec 01 02:28:34.088 INFO [stderr] 
Dec 01 02:28:34.088 INFO [stderr] warning: unused variable: `tnt`
Dec 01 02:28:34.088 INFO [stderr]    --> src/main.rs:927:9
Dec 01 02:28:34.088 INFO [stderr]     |
Dec 01 02:28:34.088 INFO [stderr] 927 |     let tnt = Firework { strength: 100 };
Dec 01 02:28:34.088 INFO [stderr]     |         ^^^ help: consider using `_tnt` instead
Dec 01 02:28:34.088 INFO [stderr] 
Dec 01 02:28:34.123 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:28:34.123 INFO [stderr]    --> src/main.rs:339:9
Dec 01 02:28:34.123 INFO [stderr]     |
Dec 01 02:28:34.124 INFO [stderr] 339 |     let mut v9 = &mut v8;
Dec 01 02:28:34.124 INFO [stderr]     |         ----^^
Dec 01 02:28:34.124 INFO [stderr]     |         |
Dec 01 02:28:34.124 INFO [stderr]     |         help: remove this `mut`
Dec 01 02:28:34.124 INFO [stderr]     |
Dec 01 02:28:34.124 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 02:28:34.124 INFO [stderr] 
Dec 01 02:28:34.131 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:28:34.131 INFO [stderr]    --> src/main.rs:354:9
Dec 01 02:28:34.131 INFO [stderr]     |
Dec 01 02:28:34.131 INFO [stderr] 354 |     let mut v = vec![1, 2, 3];
Dec 01 02:28:34.131 INFO [stderr]     |         ----^
Dec 01 02:28:34.131 INFO [stderr]     |         |
Dec 01 02:28:34.131 INFO [stderr]     |         help: remove this `mut`
Dec 01 02:28:34.131 INFO [stderr] 
Dec 01 02:28:34.153 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:28:34.153 INFO [stderr]    --> src/main.rs:594:9
Dec 01 02:28:34.153 INFO [stderr]     |
Dec 01 02:28:34.153 INFO [stderr] 594 |     let mut x6: Option<Person2> = Some(Person2 { name: Some(name) });
Dec 01 02:28:34.153 INFO [stderr]     |         ----^^
Dec 01 02:28:34.153 INFO [stderr]     |         |
Dec 01 02:28:34.153 INFO [stderr]     |         help: remove this `mut`
Dec 01 02:28:34.153 INFO [stderr] 
Dec 01 02:28:34.206 INFO [stderr] warning: method is never used: `x`
Dec 01 02:28:34.206 INFO [stderr]    --> src/main.rs:379:9
Dec 01 02:28:34.206 INFO [stderr]     |
Dec 01 02:28:34.206 INFO [stderr] 379 |         fn x(&self) -> &'a i32 {
Dec 01 02:28:34.206 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.206 INFO [stderr]     |
Dec 01 02:28:34.207 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 01 02:28:34.207 INFO [stderr] 
Dec 01 02:28:34.207 INFO [stderr] warning: variant is never constructed: `Quite`
Dec 01 02:28:34.207 INFO [stderr]    --> src/main.rs:440:9
Dec 01 02:28:34.207 INFO [stderr]     |
Dec 01 02:28:34.207 INFO [stderr] 440 |         Quite,
Dec 01 02:28:34.207 INFO [stderr]     |         ^^^^^
Dec 01 02:28:34.207 INFO [stderr] 
Dec 01 02:28:34.207 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Dec 01 02:28:34.207 INFO [stderr]    --> src/main.rs:441:9
Dec 01 02:28:34.207 INFO [stderr]     |
Dec 01 02:28:34.207 INFO [stderr] 441 |         ChangeColor(i32, i32, i32),
Dec 01 02:28:34.207 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.207 INFO [stderr] 
Dec 01 02:28:34.207 INFO [stderr] warning: field is never used: `x`
Dec 01 02:28:34.207 INFO [stderr]    --> src/main.rs:442:16
Dec 01 02:28:34.207 INFO [stderr]     |
Dec 01 02:28:34.207 INFO [stderr] 442 |         Move { x: i32, y: i32 },
Dec 01 02:28:34.207 INFO [stderr]     |                ^^^^^^
Dec 01 02:28:34.207 INFO [stderr] 
Dec 01 02:28:34.207 INFO [stderr] warning: field is never used: `y`
Dec 01 02:28:34.207 INFO [stderr]    --> src/main.rs:442:24
Dec 01 02:28:34.207 INFO [stderr]     |
Dec 01 02:28:34.207 INFO [stderr] 442 |         Move { x: i32, y: i32 },
Dec 01 02:28:34.208 INFO [stderr]     |                        ^^^^^^
Dec 01 02:28:34.208 INFO [stderr] 
Dec 01 02:28:34.208 INFO [stderr] warning: field is never used: `squares`
Dec 01 02:28:34.208 INFO [stderr]    --> src/main.rs:449:16
Dec 01 02:28:34.208 INFO [stderr]     |
Dec 01 02:28:34.208 INFO [stderr] 449 |         Move { squares: i32 },
Dec 01 02:28:34.208 INFO [stderr]     |                ^^^^^^^^^^^^
Dec 01 02:28:34.208 INFO [stderr] 
Dec 01 02:28:34.208 INFO [stderr] warning: variant is never constructed: `Pass`
Dec 01 02:28:34.208 INFO [stderr]    --> src/main.rs:450:9
Dec 01 02:28:34.208 INFO [stderr]     |
Dec 01 02:28:34.208 INFO [stderr] 450 |         Pass,
Dec 01 02:28:34.208 INFO [stderr]     |         ^^^^
Dec 01 02:28:34.208 INFO [stderr] 
Dec 01 02:28:34.208 INFO [stderr] warning: enum is never used: `Message`
Dec 01 02:28:34.209 INFO [stderr]    --> src/main.rs:482:5
Dec 01 02:28:34.209 INFO [stderr]     |
Dec 01 02:28:34.209 INFO [stderr] 482 |     enum Message {
Dec 01 02:28:34.209 INFO [stderr]     |     ^^^^^^^^^^^^
Dec 01 02:28:34.209 INFO [stderr] 
Dec 01 02:28:34.209 INFO [stderr] warning: function is never used: `quite`
Dec 01 02:28:34.209 INFO [stderr]    --> src/main.rs:488:5
Dec 01 02:28:34.209 INFO [stderr]     |
Dec 01 02:28:34.209 INFO [stderr] 488 |     fn quite() {}
Dec 01 02:28:34.209 INFO [stderr]     |     ^^^^^^^^^^
Dec 01 02:28:34.209 INFO [stderr] 
Dec 01 02:28:34.209 INFO [stderr] warning: function is never used: `change_color`
Dec 01 02:28:34.209 INFO [stderr]    --> src/main.rs:489:5
Dec 01 02:28:34.209 INFO [stderr]     |
Dec 01 02:28:34.209 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:34.209 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.209 INFO [stderr] 
Dec 01 02:28:34.209 INFO [stderr] warning: function is never used: `move_cursor`
Dec 01 02:28:34.209 INFO [stderr]    --> src/main.rs:490:5
Dec 01 02:28:34.209 INFO [stderr]     |
Dec 01 02:28:34.209 INFO [stderr] 490 |     fn move_cursor(x: i32, y: i32) {}
Dec 01 02:28:34.209 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.209 INFO [stderr] 
Dec 01 02:28:34.209 INFO [stderr] warning: function is never used: `process_message`
Dec 01 02:28:34.210 INFO [stderr]    --> src/main.rs:492:5
Dec 01 02:28:34.210 INFO [stderr]     |
Dec 01 02:28:34.210 INFO [stderr] 492 |     fn process_message(msg: Message) {
Dec 01 02:28:34.210 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.210 INFO [stderr] 
Dec 01 02:28:34.210 INFO [stderr] warning: variant is never constructed: `Missing`
Dec 01 02:28:34.210 INFO [stderr]    --> src/main.rs:541:9
Dec 01 02:28:34.210 INFO [stderr]     |
Dec 01 02:28:34.210 INFO [stderr] 541 |         Missing,
Dec 01 02:28:34.210 INFO [stderr]     |         ^^^^^^^
Dec 01 02:28:34.210 INFO [stderr] 
Dec 01 02:28:34.210 INFO [stderr] warning: variant is never constructed: `Missing`
Dec 01 02:28:34.210 INFO [stderr]    --> src/main.rs:612:9
Dec 01 02:28:34.210 INFO [stderr]     |
Dec 01 02:28:34.210 INFO [stderr] 612 |         Missing,
Dec 01 02:28:34.210 INFO [stderr]     |         ^^^^^^^
Dec 01 02:28:34.210 INFO [stderr] 
Dec 01 02:28:34.210 INFO [stderr] warning: enum is never used: `Option`
Dec 01 02:28:34.210 INFO [stderr]    --> src/main.rs:788:5
Dec 01 02:28:34.210 INFO [stderr]     |
Dec 01 02:28:34.210 INFO [stderr] 788 |     enum Option<T> {
Dec 01 02:28:34.210 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 01 02:28:34.210 INFO [stderr] 
Dec 01 02:28:34.211 INFO [stderr] warning: enum is never used: `Result`
Dec 01 02:28:34.211 INFO [stderr]    --> src/main.rs:796:5
Dec 01 02:28:34.211 INFO [stderr]     |
Dec 01 02:28:34.211 INFO [stderr] 796 |     enum Result<T, E> {
Dec 01 02:28:34.211 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.211 INFO [stderr] 
Dec 01 02:28:34.211 INFO [stderr] warning: field is never used: `y`
Dec 01 02:28:34.211 INFO [stderr]    --> src/main.rs:810:9
Dec 01 02:28:34.211 INFO [stderr]     |
Dec 01 02:28:34.211 INFO [stderr] 810 |         y: T,
Dec 01 02:28:34.211 INFO [stderr]     |         ^^^^
Dec 01 02:28:34.211 INFO [stderr] 
Dec 01 02:28:34.211 INFO [stderr] warning: method is never used: `swap`
Dec 01 02:28:34.211 INFO [stderr]    --> src/main.rs:817:9
Dec 01 02:28:34.211 INFO [stderr]     |
Dec 01 02:28:34.211 INFO [stderr] 817 |         fn swap(&mut self) {
Dec 01 02:28:34.211 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.211 INFO [stderr] 
Dec 01 02:28:34.211 INFO [stderr] warning: function is never used: `greeting`
Dec 01 02:28:34.211 INFO [stderr]    --> src/main.rs:872:5
Dec 01 02:28:34.211 INFO [stderr]     |
Dec 01 02:28:34.211 INFO [stderr] 872 |     fn greeting<T: SayHello>(x: T) {
Dec 01 02:28:34.211 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.211 INFO [stderr] 
Dec 01 02:28:34.211 INFO [stderr] warning: function is never used: `greeting2`
Dec 01 02:28:34.212 INFO [stderr]    --> src/main.rs:878:5
Dec 01 02:28:34.212 INFO [stderr]     |
Dec 01 02:28:34.212 INFO [stderr] 878 |     fn greeting2<T: SayHello + SayGoodbye>(x: T) {
Dec 01 02:28:34.212 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:34.212 INFO [stderr] 
Dec 01 02:28:34.212 INFO [stderr] warning: function is never used: `greeting3`
Dec 01 02:28:34.212 INFO [stderr]    --> src/main.rs:883:5
Dec 01 02:28:34.212 INFO [stderr]     |
Dec 01 02:28:34.212 INFO [stderr] 883 | /     fn greeting3<T>(x: T)
Dec 01 02:28:34.212 INFO [stderr] 884 | |     where
Dec 01 02:28:34.212 INFO [stderr] 885 | |         T: SayHello + SayGoodbye,
Dec 01 02:28:34.212 INFO [stderr] 886 | |     {
Dec 01 02:28:34.212 INFO [stderr] 887 | |         x.say_hello();
Dec 01 02:28:34.212 INFO [stderr] 888 | |         x.say_goodbye();
Dec 01 02:28:34.212 INFO [stderr] 889 | |     }
Dec 01 02:28:34.212 INFO [stderr]     | |_____^
Dec 01 02:28:34.212 INFO [stderr] 
Dec 01 02:28:34.212 INFO [stderr] warning: field is never used: `age`
Dec 01 02:28:34.212 INFO [stderr]     --> src/main.rs:1087:9
Dec 01 02:28:34.212 INFO [stderr]      |
Dec 01 02:28:34.212 INFO [stderr] 1087 |         age: i32,
Dec 01 02:28:34.212 INFO [stderr]      |         ^^^^^^^^
Dec 01 02:28:34.212 INFO [stderr] 
Dec 01 02:28:34.212 INFO [stderr] warning: the `x:` in this pattern is redundant
Dec 01 02:28:34.213 INFO [stderr]    --> src/main.rs:496:29
Dec 01 02:28:34.213 INFO [stderr]     |
Dec 01 02:28:34.213 INFO [stderr] 496 |             Message::Move { x: x, y: y } => move_cursor(x, y),
Dec 01 02:28:34.213 INFO [stderr]     |                             --^^
Dec 01 02:28:34.213 INFO [stderr]     |                             |
Dec 01 02:28:34.213 INFO [stderr]     |                             help: remove this
Dec 01 02:28:34.213 INFO [stderr]     |
Dec 01 02:28:34.213 INFO [stderr]     = note: #[warn(non_shorthand_field_patterns)] on by default
Dec 01 02:28:34.213 INFO [stderr] 
Dec 01 02:28:34.213 INFO [stderr] warning: the `y:` in this pattern is redundant
Dec 01 02:28:34.213 INFO [stderr]    --> src/main.rs:496:35
Dec 01 02:28:34.213 INFO [stderr]     |
Dec 01 02:28:34.213 INFO [stderr] 496 |             Message::Move { x: x, y: y } => move_cursor(x, y),
Dec 01 02:28:34.213 INFO [stderr]     |                                   --^^
Dec 01 02:28:34.213 INFO [stderr]     |                                   |
Dec 01 02:28:34.213 INFO [stderr]     |                                   help: remove this
Dec 01 02:28:34.213 INFO [stderr] 
Dec 01 02:28:35.011 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 01 02:28:35.011 INFO [stderr] su: No module specific data is present
Dec 01 02:28:35.676 INFO running `"docker" "inspect" "48d47a9319342df31f37fe9f800fd4740ea7b1e6d37da15d76dc55bfe6b09bf8"`
Dec 01 02:28:35.958 INFO running `"docker" "rm" "-f" "48d47a9319342df31f37fe9f800fd4740ea7b1e6d37da15d76dc55bfe6b09bf8"`
Dec 01 02:28:36.171 INFO [stdout] 48d47a9319342df31f37fe9f800fd4740ea7b1e6d37da15d76dc55bfe6b09bf8
Dec 01 02:28:36.173 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 02:28:36.695 INFO [stdout] 653a68e90829e271d7ee59b8b0e368cad77b6b27cd30c5f3aa48bedcc6de42a1
Dec 01 02:28:36.697 INFO running `"docker" "start" "-a" "653a68e90829e271d7ee59b8b0e368cad77b6b27cd30c5f3aa48bedcc6de42a1"`
Dec 01 02:28:37.739 INFO [stderr] usermod: no changes
Dec 01 02:28:37.815 INFO [stderr]    Compiling ruststudy v0.1.0 (/source)
Dec 01 02:28:38.064 INFO [stderr] warning: unused import: `std::env`
Dec 01 02:28:38.064 INFO [stderr]   --> src/effective/mod.rs:11:9
Dec 01 02:28:38.064 INFO [stderr]    |
Dec 01 02:28:38.064 INFO [stderr] 11 |     use std::env;
Dec 01 02:28:38.064 INFO [stderr]    |         ^^^^^^^^
Dec 01 02:28:38.064 INFO [stderr]    |
Dec 01 02:28:38.064 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 01 02:28:38.064 INFO [stderr] 
Dec 01 02:28:38.331 INFO [stderr] warning: unreachable pattern
Dec 01 02:28:38.331 INFO [stderr]    --> src/main.rs:555:9
Dec 01 02:28:38.331 INFO [stderr]     |
Dec 01 02:28:38.331 INFO [stderr] 555 |         _ => println!("anything"),
Dec 01 02:28:38.331 INFO [stderr]     |         ^
Dec 01 02:28:38.331 INFO [stderr]     |
Dec 01 02:28:38.331 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 01 02:28:38.331 INFO [stderr] 
Dec 01 02:28:38.331 INFO [stderr] warning: unused variable: `v9`
Dec 01 02:28:38.331 INFO [stderr]    --> src/main.rs:339:13
Dec 01 02:28:38.331 INFO [stderr]     |
Dec 01 02:28:38.331 INFO [stderr] 339 |     let mut v9 = &mut v8;
Dec 01 02:28:38.331 INFO [stderr]     |             ^^ help: consider using `_v9` instead
Dec 01 02:28:38.331 INFO [stderr]     |
Dec 01 02:28:38.331 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 02:28:38.331 INFO [stderr] 
Dec 01 02:28:38.331 INFO [stderr] warning: unused variable: `v1`
Dec 01 02:28:38.332 INFO [stderr]    --> src/main.rs:295:17
Dec 01 02:28:38.332 INFO [stderr]     |
Dec 01 02:28:38.332 INFO [stderr] 295 |     fn change_v(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Dec 01 02:28:38.332 INFO [stderr]     |                 ^^ help: consider using `_v1` instead
Dec 01 02:28:38.332 INFO [stderr] 
Dec 01 02:28:38.332 INFO [stderr] warning: unused variable: `v2`
Dec 01 02:28:38.332 INFO [stderr]    --> src/main.rs:295:32
Dec 01 02:28:38.332 INFO [stderr]     |
Dec 01 02:28:38.332 INFO [stderr] 295 |     fn change_v(v1: &Vec<i32>, v2: &Vec<i32>) -> i32 {
Dec 01 02:28:38.332 INFO [stderr]     |                                ^^ help: consider using `_v2` instead
Dec 01 02:28:38.332 INFO [stderr] 
Dec 01 02:28:38.332 INFO [stderr] warning: unused variable: `black`
Dec 01 02:28:38.332 INFO [stderr]    --> src/main.rs:430:9
Dec 01 02:28:38.332 INFO [stderr]     |
Dec 01 02:28:38.332 INFO [stderr] 430 |     let black = Color(0, 0, 0);
Dec 01 02:28:38.332 INFO [stderr]     |         ^^^^^ help: consider using `_black` instead
Dec 01 02:28:38.332 INFO [stderr] 
Dec 01 02:28:38.332 INFO [stderr] warning: unused variable: `origin`
Dec 01 02:28:38.332 INFO [stderr]    --> src/main.rs:431:9
Dec 01 02:28:38.332 INFO [stderr]     |
Dec 01 02:28:38.332 INFO [stderr] 431 |     let origin = Point(0, 0, 0);
Dec 01 02:28:38.333 INFO [stderr]     |         ^^^^^^ help: consider using `_origin` instead
Dec 01 02:28:38.333 INFO [stderr] 
Dec 01 02:28:38.333 INFO [stderr] warning: unused variable: `x`
Dec 01 02:28:38.333 INFO [stderr]    --> src/main.rs:434:9
Dec 01 02:28:38.333 INFO [stderr]     |
Dec 01 02:28:38.333 INFO [stderr] 434 |     let x = Electron;
Dec 01 02:28:38.333 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 01 02:28:38.333 INFO [stderr] 
Dec 01 02:28:38.333 INFO [stderr] warning: unused variable: `x`
Dec 01 02:28:38.333 INFO [stderr]    --> src/main.rs:446:9
Dec 01 02:28:38.333 INFO [stderr]     |
Dec 01 02:28:38.333 INFO [stderr] 446 |     let x: Message = Message::Move { x: 3, y: 4 };
Dec 01 02:28:38.333 INFO [stderr]     |         ^ help: consider using `_x` instead
Dec 01 02:28:38.333 INFO [stderr] 
Dec 01 02:28:38.333 INFO [stderr] warning: unused variable: `y`
Dec 01 02:28:38.333 INFO [stderr]    --> src/main.rs:453:9
Dec 01 02:28:38.333 INFO [stderr]     |
Dec 01 02:28:38.333 INFO [stderr] 453 |     let y: BoardGameTurn = BoardGameTurn::Move { squares: 1 };
Dec 01 02:28:38.333 INFO [stderr]     |         ^ help: consider using `_y` instead
Dec 01 02:28:38.333 INFO [stderr] 
Dec 01 02:28:38.333 INFO [stderr] warning: unused variable: `m`
Dec 01 02:28:38.334 INFO [stderr]    --> src/main.rs:454:9
Dec 01 02:28:38.334 INFO [stderr]     |
Dec 01 02:28:38.334 INFO [stderr] 454 |     let m = Message::Write("Hello, world".to_string());
Dec 01 02:28:38.334 INFO [stderr]     |         ^ help: consider using `_m` instead
Dec 01 02:28:38.334 INFO [stderr] 
Dec 01 02:28:38.334 INFO [stderr] warning: unused variable: `r`
Dec 01 02:28:38.334 INFO [stderr]    --> src/main.rs:489:21
Dec 01 02:28:38.334 INFO [stderr]     |
Dec 01 02:28:38.334 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:38.334 INFO [stderr]     |                     ^ help: consider using `_r` instead
Dec 01 02:28:38.334 INFO [stderr] 
Dec 01 02:28:38.334 INFO [stderr] warning: unused variable: `g`
Dec 01 02:28:38.334 INFO [stderr]    --> src/main.rs:489:29
Dec 01 02:28:38.334 INFO [stderr]     |
Dec 01 02:28:38.334 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:38.334 INFO [stderr]     |                             ^ help: consider using `_g` instead
Dec 01 02:28:38.334 INFO [stderr] 
Dec 01 02:28:38.334 INFO [stderr] warning: unused variable: `b`
Dec 01 02:28:38.334 INFO [stderr]    --> src/main.rs:489:37
Dec 01 02:28:38.334 INFO [stderr]     |
Dec 01 02:28:38.334 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:38.335 INFO [stderr]     |                                     ^ help: consider using `_b` instead
Dec 01 02:28:38.335 INFO [stderr] 
Dec 01 02:28:38.335 INFO [stderr] warning: unused variable: `x`
Dec 01 02:28:38.335 INFO [stderr]    --> src/main.rs:490:20
Dec 01 02:28:38.335 INFO [stderr]     |
Dec 01 02:28:38.335 INFO [stderr] 490 |     fn move_cursor(x: i32, y: i32) {}
Dec 01 02:28:38.335 INFO [stderr]     |                    ^ help: consider using `_x` instead
Dec 01 02:28:38.335 INFO [stderr] 
Dec 01 02:28:38.335 INFO [stderr] warning: unused variable: `y`
Dec 01 02:28:38.335 INFO [stderr]    --> src/main.rs:490:28
Dec 01 02:28:38.335 INFO [stderr]     |
Dec 01 02:28:38.335 INFO [stderr] 490 |     fn move_cursor(x: i32, y: i32) {}
Dec 01 02:28:38.335 INFO [stderr]     |                            ^ help: consider using `_y` instead
Dec 01 02:28:38.335 INFO [stderr] 
Dec 01 02:28:38.335 INFO [stderr] warning: unused variable: `c2`
Dec 01 02:28:38.335 INFO [stderr]    --> src/main.rs:672:9
Dec 01 02:28:38.335 INFO [stderr]     |
Dec 01 02:28:38.335 INFO [stderr] 672 |     let c2 = Circle::new(0.0, 0.0, 2.0);
Dec 01 02:28:38.335 INFO [stderr]     |         ^^ help: consider using `_c2` instead
Dec 01 02:28:38.335 INFO [stderr] 
Dec 01 02:28:38.335 INFO [stderr] warning: unused variable: `j`
Dec 01 02:28:38.335 INFO [stderr]    --> src/main.rs:734:9
Dec 01 02:28:38.336 INFO [stderr]     |
Dec 01 02:28:38.336 INFO [stderr] 734 |     let j: i32 = 0;
Dec 01 02:28:38.336 INFO [stderr]     |         ^ help: consider using `_j` instead
Dec 01 02:28:38.336 INFO [stderr] 
Dec 01 02:28:38.336 INFO [stderr] warning: unused variable: `s`
Dec 01 02:28:38.336 INFO [stderr]    --> src/main.rs:752:9
Dec 01 02:28:38.336 INFO [stderr]     |
Dec 01 02:28:38.336 INFO [stderr] 752 |     let s = "foo\nbar";
Dec 01 02:28:38.336 INFO [stderr]     |         ^ help: consider using `_s` instead
Dec 01 02:28:38.336 INFO [stderr] 
Dec 01 02:28:38.336 INFO [stderr] warning: unused variable: `dog`
Dec 01 02:28:38.336 INFO [stderr]    --> src/main.rs:771:9
Dec 01 02:28:38.336 INFO [stderr]     |
Dec 01 02:28:38.336 INFO [stderr] 771 |     let dog = hachiko.chars().nth(1);
Dec 01 02:28:38.336 INFO [stderr]     |         ^^^ help: consider using `_dog` instead
Dec 01 02:28:38.336 INFO [stderr] 
Dec 01 02:28:38.336 INFO [stderr] warning: unused variable: `int_origin`
Dec 01 02:28:38.336 INFO [stderr]    --> src/main.rs:813:9
Dec 01 02:28:38.336 INFO [stderr]     |
Dec 01 02:28:38.336 INFO [stderr] 813 |     let int_origin = Point { x: 0, y: 0 };
Dec 01 02:28:38.336 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_int_origin` instead
Dec 01 02:28:38.336 INFO [stderr] 
Dec 01 02:28:38.336 INFO [stderr] warning: unused variable: `float_origin`
Dec 01 02:28:38.337 INFO [stderr]    --> src/main.rs:814:9
Dec 01 02:28:38.337 INFO [stderr]     |
Dec 01 02:28:38.337 INFO [stderr] 814 |     let float_origin = Point { x: 0.0, y: 0.0 };
Dec 01 02:28:38.337 INFO [stderr]     |         ^^^^^^^^^^^^ help: consider using `_float_origin` instead
Dec 01 02:28:38.337 INFO [stderr] 
Dec 01 02:28:38.337 INFO [stderr] warning: unused variable: `firecracker`
Dec 01 02:28:38.337 INFO [stderr]    --> src/main.rs:926:9
Dec 01 02:28:38.337 INFO [stderr]     |
Dec 01 02:28:38.337 INFO [stderr] 926 |     let firecracker = Firework { strength: 1 };
Dec 01 02:28:38.337 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_firecracker` instead
Dec 01 02:28:38.337 INFO [stderr] 
Dec 01 02:28:38.337 INFO [stderr] warning: unused variable: `tnt`
Dec 01 02:28:38.337 INFO [stderr]    --> src/main.rs:927:9
Dec 01 02:28:38.337 INFO [stderr]     |
Dec 01 02:28:38.337 INFO [stderr] 927 |     let tnt = Firework { strength: 100 };
Dec 01 02:28:38.337 INFO [stderr]     |         ^^^ help: consider using `_tnt` instead
Dec 01 02:28:38.337 INFO [stderr] 
Dec 01 02:28:38.371 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:28:38.371 INFO [stderr]    --> src/main.rs:339:9
Dec 01 02:28:38.371 INFO [stderr]     |
Dec 01 02:28:38.371 INFO [stderr] 339 |     let mut v9 = &mut v8;
Dec 01 02:28:38.371 INFO [stderr]     |         ----^^
Dec 01 02:28:38.371 INFO [stderr]     |         |
Dec 01 02:28:38.371 INFO [stderr]     |         help: remove this `mut`
Dec 01 02:28:38.371 INFO [stderr]     |
Dec 01 02:28:38.371 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 02:28:38.371 INFO [stderr] 
Dec 01 02:28:38.371 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:28:38.371 INFO [stderr]    --> src/main.rs:354:9
Dec 01 02:28:38.371 INFO [stderr]     |
Dec 01 02:28:38.371 INFO [stderr] 354 |     let mut v = vec![1, 2, 3];
Dec 01 02:28:38.371 INFO [stderr]     |         ----^
Dec 01 02:28:38.371 INFO [stderr]     |         |
Dec 01 02:28:38.371 INFO [stderr]     |         help: remove this `mut`
Dec 01 02:28:38.371 INFO [stderr] 
Dec 01 02:28:38.394 INFO [stderr] warning: variable does not need to be mutable
Dec 01 02:28:38.394 INFO [stderr]    --> src/main.rs:594:9
Dec 01 02:28:38.394 INFO [stderr]     |
Dec 01 02:28:38.394 INFO [stderr] 594 |     let mut x6: Option<Person2> = Some(Person2 { name: Some(name) });
Dec 01 02:28:38.394 INFO [stderr]     |         ----^^
Dec 01 02:28:38.394 INFO [stderr]     |         |
Dec 01 02:28:38.394 INFO [stderr]     |         help: remove this `mut`
Dec 01 02:28:38.394 INFO [stderr] 
Dec 01 02:28:38.448 INFO [stderr] warning: method is never used: `x`
Dec 01 02:28:38.449 INFO [stderr]    --> src/main.rs:379:9
Dec 01 02:28:38.449 INFO [stderr]     |
Dec 01 02:28:38.449 INFO [stderr] 379 |         fn x(&self) -> &'a i32 {
Dec 01 02:28:38.449 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.449 INFO [stderr]     |
Dec 01 02:28:38.449 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 01 02:28:38.449 INFO [stderr] 
Dec 01 02:28:38.449 INFO [stderr] warning: variant is never constructed: `Quite`
Dec 01 02:28:38.449 INFO [stderr]    --> src/main.rs:440:9
Dec 01 02:28:38.449 INFO [stderr]     |
Dec 01 02:28:38.449 INFO [stderr] 440 |         Quite,
Dec 01 02:28:38.449 INFO [stderr]     |         ^^^^^
Dec 01 02:28:38.449 INFO [stderr] 
Dec 01 02:28:38.449 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Dec 01 02:28:38.449 INFO [stderr]    --> src/main.rs:441:9
Dec 01 02:28:38.449 INFO [stderr]     |
Dec 01 02:28:38.449 INFO [stderr] 441 |         ChangeColor(i32, i32, i32),
Dec 01 02:28:38.449 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.449 INFO [stderr] 
Dec 01 02:28:38.449 INFO [stderr] warning: field is never used: `x`
Dec 01 02:28:38.450 INFO [stderr]    --> src/main.rs:442:16
Dec 01 02:28:38.450 INFO [stderr]     |
Dec 01 02:28:38.450 INFO [stderr] 442 |         Move { x: i32, y: i32 },
Dec 01 02:28:38.450 INFO [stderr]     |                ^^^^^^
Dec 01 02:28:38.450 INFO [stderr] 
Dec 01 02:28:38.450 INFO [stderr] warning: field is never used: `y`
Dec 01 02:28:38.450 INFO [stderr]    --> src/main.rs:442:24
Dec 01 02:28:38.450 INFO [stderr]     |
Dec 01 02:28:38.450 INFO [stderr] 442 |         Move { x: i32, y: i32 },
Dec 01 02:28:38.450 INFO [stderr]     |                        ^^^^^^
Dec 01 02:28:38.450 INFO [stderr] 
Dec 01 02:28:38.450 INFO [stderr] warning: field is never used: `squares`
Dec 01 02:28:38.450 INFO [stderr]    --> src/main.rs:449:16
Dec 01 02:28:38.450 INFO [stderr]     |
Dec 01 02:28:38.450 INFO [stderr] 449 |         Move { squares: i32 },
Dec 01 02:28:38.450 INFO [stderr]     |                ^^^^^^^^^^^^
Dec 01 02:28:38.450 INFO [stderr] 
Dec 01 02:28:38.450 INFO [stderr] warning: variant is never constructed: `Pass`
Dec 01 02:28:38.450 INFO [stderr]    --> src/main.rs:450:9
Dec 01 02:28:38.450 INFO [stderr]     |
Dec 01 02:28:38.450 INFO [stderr] 450 |         Pass,
Dec 01 02:28:38.451 INFO [stderr]     |         ^^^^
Dec 01 02:28:38.451 INFO [stderr] 
Dec 01 02:28:38.451 INFO [stderr] warning: enum is never used: `Message`
Dec 01 02:28:38.451 INFO [stderr]    --> src/main.rs:482:5
Dec 01 02:28:38.451 INFO [stderr]     |
Dec 01 02:28:38.451 INFO [stderr] 482 |     enum Message {
Dec 01 02:28:38.451 INFO [stderr]     |     ^^^^^^^^^^^^
Dec 01 02:28:38.451 INFO [stderr] 
Dec 01 02:28:38.451 INFO [stderr] warning: function is never used: `quite`
Dec 01 02:28:38.451 INFO [stderr]    --> src/main.rs:488:5
Dec 01 02:28:38.451 INFO [stderr]     |
Dec 01 02:28:38.451 INFO [stderr] 488 |     fn quite() {}
Dec 01 02:28:38.451 INFO [stderr]     |     ^^^^^^^^^^
Dec 01 02:28:38.451 INFO [stderr] 
Dec 01 02:28:38.451 INFO [stderr] warning: function is never used: `change_color`
Dec 01 02:28:38.451 INFO [stderr]    --> src/main.rs:489:5
Dec 01 02:28:38.451 INFO [stderr]     |
Dec 01 02:28:38.451 INFO [stderr] 489 |     fn change_color(r: i32, g: i32, b: i32) {}
Dec 01 02:28:38.451 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.451 INFO [stderr] 
Dec 01 02:28:38.451 INFO [stderr] warning: function is never used: `move_cursor`
Dec 01 02:28:38.452 INFO [stderr]    --> src/main.rs:490:5
Dec 01 02:28:38.452 INFO [stderr]     |
Dec 01 02:28:38.452 INFO [stderr] 490 |     fn move_cursor(x: i32, y: i32) {}
Dec 01 02:28:38.452 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.452 INFO [stderr] 
Dec 01 02:28:38.452 INFO [stderr] warning: function is never used: `process_message`
Dec 01 02:28:38.452 INFO [stderr]    --> src/main.rs:492:5
Dec 01 02:28:38.452 INFO [stderr]     |
Dec 01 02:28:38.452 INFO [stderr] 492 |     fn process_message(msg: Message) {
Dec 01 02:28:38.452 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.452 INFO [stderr] 
Dec 01 02:28:38.452 INFO [stderr] warning: variant is never constructed: `Missing`
Dec 01 02:28:38.452 INFO [stderr]    --> src/main.rs:541:9
Dec 01 02:28:38.452 INFO [stderr]     |
Dec 01 02:28:38.452 INFO [stderr] 541 |         Missing,
Dec 01 02:28:38.452 INFO [stderr]     |         ^^^^^^^
Dec 01 02:28:38.452 INFO [stderr] 
Dec 01 02:28:38.452 INFO [stderr] warning: variant is never constructed: `Missing`
Dec 01 02:28:38.452 INFO [stderr]    --> src/main.rs:612:9
Dec 01 02:28:38.452 INFO [stderr]     |
Dec 01 02:28:38.452 INFO [stderr] 612 |         Missing,
Dec 01 02:28:38.452 INFO [stderr]     |         ^^^^^^^
Dec 01 02:28:38.452 INFO [stderr] 
Dec 01 02:28:38.453 INFO [stderr] warning: enum is never used: `Option`
Dec 01 02:28:38.453 INFO [stderr]    --> src/main.rs:788:5
Dec 01 02:28:38.453 INFO [stderr]     |
Dec 01 02:28:38.453 INFO [stderr] 788 |     enum Option<T> {
Dec 01 02:28:38.453 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 01 02:28:38.453 INFO [stderr] 
Dec 01 02:28:38.453 INFO [stderr] warning: enum is never used: `Result`
Dec 01 02:28:38.453 INFO [stderr]    --> src/main.rs:796:5
Dec 01 02:28:38.453 INFO [stderr]     |
Dec 01 02:28:38.453 INFO [stderr] 796 |     enum Result<T, E> {
Dec 01 02:28:38.453 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.453 INFO [stderr] 
Dec 01 02:28:38.453 INFO [stderr] warning: field is never used: `y`
Dec 01 02:28:38.453 INFO [stderr]    --> src/main.rs:810:9
Dec 01 02:28:38.453 INFO [stderr]     |
Dec 01 02:28:38.453 INFO [stderr] 810 |         y: T,
Dec 01 02:28:38.453 INFO [stderr]     |         ^^^^
Dec 01 02:28:38.453 INFO [stderr] 
Dec 01 02:28:38.453 INFO [stderr] warning: method is never used: `swap`
Dec 01 02:28:38.453 INFO [stderr]    --> src/main.rs:817:9
Dec 01 02:28:38.453 INFO [stderr]     |
Dec 01 02:28:38.453 INFO [stderr] 817 |         fn swap(&mut self) {
Dec 01 02:28:38.453 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.453 INFO [stderr] 
Dec 01 02:28:38.453 INFO [stderr] warning: function is never used: `greeting`
Dec 01 02:28:38.453 INFO [stderr]    --> src/main.rs:872:5
Dec 01 02:28:38.453 INFO [stderr]     |
Dec 01 02:28:38.453 INFO [stderr] 872 |     fn greeting<T: SayHello>(x: T) {
Dec 01 02:28:38.453 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.453 INFO [stderr] 
Dec 01 02:28:38.453 INFO [stderr] warning: function is never used: `greeting2`
Dec 01 02:28:38.453 INFO [stderr]    --> src/main.rs:878:5
Dec 01 02:28:38.453 INFO [stderr]     |
Dec 01 02:28:38.454 INFO [stderr] 878 |     fn greeting2<T: SayHello + SayGoodbye>(x: T) {
Dec 01 02:28:38.454 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:28:38.454 INFO [stderr] 
Dec 01 02:28:38.454 INFO [stderr] warning: function is never used: `greeting3`
Dec 01 02:28:38.454 INFO [stderr]    --> src/main.rs:883:5
Dec 01 02:28:38.454 INFO [stderr]     |
Dec 01 02:28:38.454 INFO [stderr] 883 | /     fn greeting3<T>(x: T)
Dec 01 02:28:38.454 INFO [stderr] 884 | |     where
Dec 01 02:28:38.454 INFO [stderr] 885 | |         T: SayHello + SayGoodbye,
Dec 01 02:28:38.454 INFO [stderr] 886 | |     {
Dec 01 02:28:38.454 INFO [stderr] 887 | |         x.say_hello();
Dec 01 02:28:38.454 INFO [stderr] 888 | |         x.say_goodbye();
Dec 01 02:28:38.454 INFO [stderr] 889 | |     }
Dec 01 02:28:38.454 INFO [stderr]     | |_____^
Dec 01 02:28:38.454 INFO [stderr] 
Dec 01 02:28:38.454 INFO [stderr] warning: field is never used: `age`
Dec 01 02:28:38.454 INFO [stderr]     --> src/main.rs:1087:9
Dec 01 02:28:38.454 INFO [stderr]      |
Dec 01 02:28:38.454 INFO [stderr] 1087 |         age: i32,
Dec 01 02:28:38.454 INFO [stderr]      |         ^^^^^^^^
Dec 01 02:28:38.454 INFO [stderr] 
Dec 01 02:28:38.462 INFO [stderr] warning: the `x:` in this pattern is redundant
Dec 01 02:28:38.462 INFO [stderr]    --> src/main.rs:496:29
Dec 01 02:28:38.463 INFO [stderr]     |
Dec 01 02:28:38.463 INFO [stderr] 496 |             Message::Move { x: x, y: y } => move_cursor(x, y),
Dec 01 02:28:38.463 INFO [stderr]     |                             --^^
Dec 01 02:28:38.463 INFO [stderr]     |                             |
Dec 01 02:28:38.463 INFO [stderr]     |                             help: remove this
Dec 01 02:28:38.463 INFO [stderr]     |
Dec 01 02:28:38.463 INFO [stderr]     = note: #[warn(non_shorthand_field_patterns)] on by default
Dec 01 02:28:38.463 INFO [stderr] 
Dec 01 02:28:38.463 INFO [stderr] warning: the `y:` in this pattern is redundant
Dec 01 02:28:38.463 INFO [stderr]    --> src/main.rs:496:35
Dec 01 02:28:38.463 INFO [stderr]     |
Dec 01 02:28:38.463 INFO [stderr] 496 |             Message::Move { x: x, y: y } => move_cursor(x, y),
Dec 01 02:28:38.463 INFO [stderr]     |                                   --^^
Dec 01 02:28:38.463 INFO [stderr]     |                                   |
Dec 01 02:28:38.463 INFO [stderr]     |                                   help: remove this
Dec 01 02:28:38.463 INFO [stderr] 
Dec 01 02:28:38.991 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 01 02:28:38.991 INFO [stderr] su: No module specific data is present
Dec 01 02:28:39.661 INFO running `"docker" "inspect" "653a68e90829e271d7ee59b8b0e368cad77b6b27cd30c5f3aa48bedcc6de42a1"`
Dec 01 02:28:39.999 INFO running `"docker" "rm" "-f" "653a68e90829e271d7ee59b8b0e368cad77b6b27cd30c5f3aa48bedcc6de42a1"`
Dec 01 02:28:40.271 INFO [stdout] 653a68e90829e271d7ee59b8b0e368cad77b6b27cd30c5f3aa48bedcc6de42a1
Dec 01 02:28:40.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 02:28:40.735 INFO [stdout] a5a7b93ee3734fb27a9a322933aa52a655182bcfe21718dd5ea725e7ec58cc40
Dec 01 02:28:40.740 INFO running `"docker" "start" "-a" "a5a7b93ee3734fb27a9a322933aa52a655182bcfe21718dd5ea725e7ec58cc40"`
Dec 01 02:28:42.007 INFO [stderr] usermod: no changes
Dec 01 02:28:42.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 01 02:28:42.103 INFO [stderr]      Running /target/debug/deps/ruststudy-64e39e3e3282173d
Dec 01 02:28:42.119 INFO [stdout] 
Dec 01 02:28:42.119 INFO [stdout] running 0 tests
Dec 01 02:28:42.119 INFO [stdout] 
Dec 01 02:28:42.119 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 02:28:42.119 INFO [stdout] 
Dec 01 02:28:42.123 INFO [stderr] su: No module specific data is present
Dec 01 02:28:43.065 INFO running `"docker" "inspect" "a5a7b93ee3734fb27a9a322933aa52a655182bcfe21718dd5ea725e7ec58cc40"`
Dec 01 02:28:43.315 INFO running `"docker" "rm" "-f" "a5a7b93ee3734fb27a9a322933aa52a655182bcfe21718dd5ea725e7ec58cc40"`
Dec 01 02:28:43.667 INFO [stdout] a5a7b93ee3734fb27a9a322933aa52a655182bcfe21718dd5ea725e7ec58cc40