[INFO] updating cached repository modeverv/fistRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/modeverv/fistRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/modeverv/fistRust" "work/ex/clippy-test-run/sources/stable/gh/modeverv/fistRust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/modeverv/fistRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/modeverv/fistRust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/modeverv/fistRust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/modeverv/fistRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c765ac8acb46eeb4f16615c30403e35bb5e915d3
[INFO] sha for GitHub repo modeverv/fistRust: c765ac8acb46eeb4f16615c30403e35bb5e915d3
[INFO] validating manifest of modeverv/fistRust on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of modeverv/fistRust on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing modeverv/fistRust
[INFO] finished frobbing modeverv/fistRust
[INFO] frobbed toml for modeverv/fistRust written to work/ex/clippy-test-run/sources/stable/gh/modeverv/fistRust/Cargo.toml
[INFO] started frobbing modeverv/fistRust
[INFO] finished frobbing modeverv/fistRust
[INFO] frobbed toml for modeverv/fistRust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/modeverv/fistRust/Cargo.toml
[INFO] crate modeverv/fistRust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting modeverv/fistRust against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/modeverv/fistRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 462acd6221b26c11dee7632ac830cc16c1df102e67ab5368e9bfbae9d40f7f67
[INFO] running `"docker" "start" "-a" "462acd6221b26c11dee7632ac830cc16c1df102e67ab5368e9bfbae9d40f7f67"`
[INFO] [stderr]     Checking firstRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let b = 5;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 |         Message::Write(s) => println!("{}",s),
[INFO] [stderr]     |                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |             x: x,
[INFO] [stderr]     |             ^^^^ help: replace it with: `x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 |             y: y,
[INFO] [stderr]     |             ^^^^ help: replace it with: `y`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             radius: radius,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `radius`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let b = 5;
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/main.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 |         Message::Write(s) => println!("{}",s),
[INFO] [stderr]     |                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |             x: x,
[INFO] [stderr]     |             ^^^^ help: replace it with: `x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 |             y: y,
[INFO] [stderr]     |             ^^^^ help: replace it with: `y`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             radius: radius,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `radius`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]    --> src/main.rs:114:10
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let (v1, v2, answer) = foo(v1, v2);
[INFO] [stderr]     |          ^^ help: consider using `_v1` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]    --> src/main.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let (v1, v2, answer) = foo(v1, v2);
[INFO] [stderr]     |              ^^ help: consider using `_v2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn foo2(v: &Vec<i32>) -> i32 {
[INFO] [stderr]     |         ^ help: consider using `_v` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut y = &mut x;
[INFO] [stderr]     |                 ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y1`
[INFO] [stderr]    --> src/main.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let y1 = x1.clone();
[INFO] [stderr]     |         ^^ help: consider using `_y1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y2`
[INFO] [stderr]    --> src/main.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let y2 = x2.borrow_mut();
[INFO] [stderr]     |         ^^ help: consider using `_y2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `black`
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let black = Color(0,0,0);
[INFO] [stderr]     |         ^^^^^ help: consider using `_black` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let m = Message::Write("Hello world".to_string());
[INFO] [stderr]     |         ^ help: consider using `_m` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     for x in v1 {
[INFO] [stderr]     |         ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:234:17
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){}
[INFO] [stderr]     |                 ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:234:23
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){}
[INFO] [stderr]     |                       ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]    --> src/main.rs:234:29
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){}
[INFO] [stderr]     |                             ^ help: consider using `_z` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:235:16
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){}
[INFO] [stderr]     |                ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:235:22
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){}
[INFO] [stderr]     |                      ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let x = 1;
[INFO] [stderr]     |         ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let y = 2;
[INFO] [stderr]     |         ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |     let r = 3;
[INFO] [stderr]     |         ^ help: consider using `_r` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let g = 4;
[INFO] [stderr]     |         ^ help: consider using `_g` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let b = 5;
[INFO] [stderr]     |         ^ help: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut y = &mut x;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let mut p2 = Point { y: 1, ..point };
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]    --> src/main.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     Quit,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeColor`
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Move`
[INFO] [stderr]    --> src/main.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     Move { x: i32, y: i32 },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Missing`
[INFO] [stderr]    --> src/main.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     Missing,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]    --> src/main.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     x: f64,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]    --> src/main.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     y: f64,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `firstRust` should have a snake case name such as `first_rust`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         i = i + 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         i = i + 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn foo2(v: &Vec<i32>) -> i32 {
[INFO] [stderr]     |            ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]    --> src/main.rs:114:10
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let (v1, v2, answer) = foo(v1, v2);
[INFO] [stderr]     |          ^^ help: consider using `_v1` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]    --> src/main.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let (v1, v2, answer) = foo(v1, v2);
[INFO] [stderr]     |              ^^ help: consider using `_v2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn foo2(v: &Vec<i32>) -> i32 {
[INFO] [stderr]     |         ^ help: consider using `_v` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut y = &mut x;
[INFO] [stderr]     |                 ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y1`
[INFO] [stderr]    --> src/main.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let y1 = x1.clone();
[INFO] [stderr]     |         ^^ help: consider using `_y1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: the `x:` in this pattern is redundant
[INFO] [stderr]    --> src/main.rs:245:24
[INFO] [stderr]     |
[INFO] [stderr] 245 |         Message::Move {x:x,y:y} => move_cursor(x,y),
[INFO] [stderr]     |                        --^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_shorthand_field_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `y:` in this pattern is redundant
[INFO] [stderr]    --> src/main.rs:245:28
[INFO] [stderr]     |
[INFO] [stderr] 245 |         Message::Move {x:x,y:y} => move_cursor(x,y),
[INFO] [stderr]     |                            --^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y2`
[INFO] [stderr]    --> src/main.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let y2 = x2.borrow_mut();
[INFO] [stderr]     |         ^^ help: consider using `_y2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `black`
[INFO] [stderr]    --> src/main.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let black = Color(0,0,0);
[INFO] [stderr]     |         ^^^^^ help: consider using `_black` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let m = Message::Write("Hello world".to_string());
[INFO] [stderr]     |         ^ help: consider using `_m` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     for x in v1 {
[INFO] [stderr]     |         ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:234:17
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){}
[INFO] [stderr]     |                 ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:234:23
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){}
[INFO] [stderr]     |                       ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]    --> src/main.rs:234:29
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn change_color(x:i32,y:i32,z:i32){}
[INFO] [stderr]     |                             ^ help: consider using `_z` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:235:16
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){}
[INFO] [stderr]     |                ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:235:22
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn move_cursor(x:i32,y:i32){}
[INFO] [stderr]     |                      ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let x = 1;
[INFO] [stderr]     |         ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let y = 2;
[INFO] [stderr]     |         ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |     let r = 3;
[INFO] [stderr]     |         ^ help: consider using `_r` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let g = 4;
[INFO] [stderr]     |         ^ help: consider using `_g` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let b = 5;
[INFO] [stderr]     |         ^ help: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut y = &mut x;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let mut p2 = Point { y: 1, ..point };
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]    --> src/main.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     Quit,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeColor`
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Move`
[INFO] [stderr]    --> src/main.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     Move { x: i32, y: i32 },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Missing`
[INFO] [stderr]    --> src/main.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     Missing,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]    --> src/main.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     x: f64,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]    --> src/main.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     y: f64,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `firstRust` should have a snake case name such as `first_rust`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         i = i + 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         i = i + 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn foo2(v: &Vec<i32>) -> i32 {
[INFO] [stderr]     |            ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the `x:` in this pattern is redundant
[INFO] [stderr]    --> src/main.rs:245:24
[INFO] [stderr]     |
[INFO] [stderr] 245 |         Message::Move {x:x,y:y} => move_cursor(x,y),
[INFO] [stderr]     |                        --^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_shorthand_field_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `y:` in this pattern is redundant
[INFO] [stderr]    --> src/main.rs:245:28
[INFO] [stderr]     |
[INFO] [stderr] 245 |         Message::Move {x:x,y:y} => move_cursor(x,y),
[INFO] [stderr]     |                            --^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "462acd6221b26c11dee7632ac830cc16c1df102e67ab5368e9bfbae9d40f7f67"`
[INFO] running `"docker" "rm" "-f" "462acd6221b26c11dee7632ac830cc16c1df102e67ab5368e9bfbae9d40f7f67"`
[INFO] [stdout] 462acd6221b26c11dee7632ac830cc16c1df102e67ab5368e9bfbae9d40f7f67