[INFO] updating cached repository Lermex/rustysnek
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Lermex/rustysnek
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Lermex/rustysnek" "work/ex/clippy-test-run/sources/stable/gh/Lermex/rustysnek"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Lermex/rustysnek'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lermex/rustysnek" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Lermex/rustysnek"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Lermex/rustysnek'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f4057162753be9abdbdb4f9db53c2582c799a79
[INFO] sha for GitHub repo Lermex/rustysnek: 3f4057162753be9abdbdb4f9db53c2582c799a79
[INFO] validating manifest of Lermex/rustysnek 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 Lermex/rustysnek 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 Lermex/rustysnek
[INFO] finished frobbing Lermex/rustysnek
[INFO] frobbed toml for Lermex/rustysnek written to work/ex/clippy-test-run/sources/stable/gh/Lermex/rustysnek/Cargo.toml
[INFO] started frobbing Lermex/rustysnek
[INFO] finished frobbing Lermex/rustysnek
[INFO] frobbed toml for Lermex/rustysnek written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Lermex/rustysnek/Cargo.toml
[INFO] crate Lermex/rustysnek 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 Lermex/rustysnek against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Lermex/rustysnek:/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" "-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] d8d6e4be6b140c519faf1fa6d87244dc81795d4fec503cb48b35b21a15a4d070
[INFO] running `"docker" "start" "-a" "d8d6e4be6b140c519faf1fa6d87244dc81795d4fec503cb48b35b21a15a4d070"`
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]    Compiling glutin v0.7.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.10
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking winit v0.5.6
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking pistoncore-glutin_window v0.33.0
[INFO] [stderr]     Checking piston-gfx_texture v0.19.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.34.1
[INFO] [stderr]     Checking piston_window v0.60.0
[INFO] [stderr]     Checking rustysnek v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     return head.0 <= thing.0 && thing.0 < head.0 + CELL_LENGTH
[INFO] [stderr] 162 | |         && head.1 <= thing.1 && thing.1 < head.1 + CELL_LENGTH
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 161 |     head.0 <= thing.0 && thing.0 < head.0 + CELL_LENGTH
[INFO] [stderr] 162 |         && head.1 <= thing.1 && thing.1 < head.1 + CELL_LENGTH
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     return Err(Box::new(SnekError{}));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Box::new(SnekError{}))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len_other`
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let len_other = (&other_body).len() as f32;
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider using `_len_other` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     for x in 0..3 {
[INFO] [stderr]     |         ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             mov = mov - 1.0/15.0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `mov -= 1.0/15.0`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:118:51
[INFO] [stderr]     |
[INFO] [stderr] 118 |     let width_range: Range<f64> = Range::new(5.0, (SCREEN_WIDTH - 10) as f64);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(SCREEN_WIDTH - 10)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:119:52
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let height_range: Range<f64> = Range::new(5.0, (SCREEN_HEIGHT - 10) as f64);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(SCREEN_HEIGHT - 10)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     socket.set_read_timeout(Some(Duration::new(0, 1000)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     socket.set_broadcast(true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let message = Message {id: my_uuid.clone(), body: own_body.clone()};
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^ help: try dereferencing it: `*my_uuid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |             if x == '\n' as u8 {
[INFO] [stderr]     |                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     return head.0 <= thing.0 && thing.0 < head.0 + CELL_LENGTH
[INFO] [stderr] 162 | |         && head.1 <= thing.1 && thing.1 < head.1 + CELL_LENGTH
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 161 |     head.0 <= thing.0 && thing.0 < head.0 + CELL_LENGTH
[INFO] [stderr] 162 |         && head.1 <= thing.1 && thing.1 < head.1 + CELL_LENGTH
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     return Err(Box::new(SnekError{}));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Box::new(SnekError{}))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len_other`
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let len_other = (&other_body).len() as f32;
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider using `_len_other` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     for x in 0..3 {
[INFO] [stderr]     |         ^ help: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             mov = mov - 1.0/15.0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `mov -= 1.0/15.0`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:118:51
[INFO] [stderr]     |
[INFO] [stderr] 118 |     let width_range: Range<f64> = Range::new(5.0, (SCREEN_WIDTH - 10) as f64);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(SCREEN_WIDTH - 10)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:119:52
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let height_range: Range<f64> = Range::new(5.0, (SCREEN_HEIGHT - 10) as f64);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(SCREEN_HEIGHT - 10)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     socket.set_read_timeout(Some(Duration::new(0, 1000)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     socket.set_broadcast(true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let message = Message {id: my_uuid.clone(), body: own_body.clone()};
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^ help: try dereferencing it: `*my_uuid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/main.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |             if x == '\n' as u8 {
[INFO] [stderr]     |                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.69s
[INFO] running `"docker" "inspect" "d8d6e4be6b140c519faf1fa6d87244dc81795d4fec503cb48b35b21a15a4d070"`
[INFO] running `"docker" "rm" "-f" "d8d6e4be6b140c519faf1fa6d87244dc81795d4fec503cb48b35b21a15a4d070"`
[INFO] [stdout] d8d6e4be6b140c519faf1fa6d87244dc81795d4fec503cb48b35b21a15a4d070