[INFO] crate kreida 0.0.1 is already in cache
[INFO] extracting crate kreida 0.0.1 into work/ex/clippy-test-run/sources/stable/reg/kreida/0.0.1
[INFO] extracting crate kreida 0.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kreida/0.0.1
[INFO] validating manifest of kreida-0.0.1 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 kreida-0.0.1 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 kreida-0.0.1
[INFO] finished frobbing kreida-0.0.1
[INFO] frobbed toml for kreida-0.0.1 written to work/ex/clippy-test-run/sources/stable/reg/kreida/0.0.1/Cargo.toml
[INFO] started frobbing kreida-0.0.1
[INFO] finished frobbing kreida-0.0.1
[INFO] frobbed toml for kreida-0.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kreida/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 kreida-0.0.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/kreida/0.0.1:/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] 6c261b686562846f43372d38fafcad4c5b1f45ded331432e728c123f14562e0b
[INFO] running `"docker" "start" "-a" "6c261b686562846f43372d38fafcad4c5b1f45ded331432e728c123f14562e0b"`
[INFO] [stderr]     Checking kreida v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core/space.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         return Rect { a: a.into(), b: b.into() } .norm()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Rect { a: a.into(), b: b.into() } .norm()`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core/space.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         return Rect { a: a.into(), b: b.into() } .norm()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Rect { a: a.into(), b: b.into() } .norm()`
[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] 
[INFO] [stderr] warning: item `core::buffer::Buffer<'a>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/core/buffer.rs:13:1
[INFO] [stderr]     |
[INFO] [stderr] 13  | / impl<'a> Buffer<'a> {
[INFO] [stderr] 14  | |     pub fn from_row(ptr: *mut Color, len: usize, width: usize) -> Self {
[INFO] [stderr] 15  | |         if len % width != 0 {
[INFO] [stderr] 16  | |             unreachable!()
[INFO] [stderr] ...   |
[INFO] [stderr] 171 | |     }
[INFO] [stderr] 172 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/core/buffer.rs:19:53
[INFO] [stderr]    |
[INFO] [stderr] 19 |             buf: unsafe { slice::from_raw_parts_mut(ptr, len) },
[INFO] [stderr]    |                                                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/buffer.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |             pixel.a = (pixel.a as u16 * k as u16 / 256) as u8;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: try: `u16::from(pixel.a)`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/buffer.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |             pixel.a = (pixel.a as u16 * k as u16 / 256) as u8;
[INFO] [stderr]    |                                         ^^^^^^^^ help: try: `u16::from(k)`
[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] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/core/canvas.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let canvas = unsafe {canvas.as_mut()}.unwrap();
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/core/canvas.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let chart = unsafe {canvas.as_ref()}.unwrap();
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/core/space.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match self.is_original() && other.is_original() {
[INFO] [stderr] 68 | |             true => Original( (self.into_inner(), other.into_inner()) ),
[INFO] [stderr] 69 | |             false => Fixed( (self.into_inner(), other.into_inner()) ),
[INFO] [stderr] 70 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if self.is_original() && other.is_original() { Original( (self.into_inner(), other.into_inner()) ) } else { Fixed( (self.into_inner(), other.into_inner()) ) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/core/style.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | /         match v {
[INFO] [stderr] 12 | |             true => Color::black(),
[INFO] [stderr] 13 | |             false => Color::white(),
[INFO] [stderr] 14 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if v { Color::black() } else { Color::white() }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/core/style.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn as_bool(&self) -> bool {
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `kreida`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: item `core::buffer::Buffer<'a>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/core/buffer.rs:13:1
[INFO] [stderr]     |
[INFO] [stderr] 13  | / impl<'a> Buffer<'a> {
[INFO] [stderr] 14  | |     pub fn from_row(ptr: *mut Color, len: usize, width: usize) -> Self {
[INFO] [stderr] 15  | |         if len % width != 0 {
[INFO] [stderr] 16  | |             unreachable!()
[INFO] [stderr] ...   |
[INFO] [stderr] 171 | |     }
[INFO] [stderr] 172 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/core/buffer.rs:19:53
[INFO] [stderr]    |
[INFO] [stderr] 19 |             buf: unsafe { slice::from_raw_parts_mut(ptr, len) },
[INFO] [stderr]    |                                                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/buffer.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |             pixel.a = (pixel.a as u16 * k as u16 / 256) as u8;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: try: `u16::from(pixel.a)`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/core/buffer.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |             pixel.a = (pixel.a as u16 * k as u16 / 256) as u8;
[INFO] [stderr]    |                                         ^^^^^^^^ help: try: `u16::from(k)`
[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] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/core/canvas.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let canvas = unsafe {canvas.as_mut()}.unwrap();
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/core/canvas.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let chart = unsafe {canvas.as_ref()}.unwrap();
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/core/space.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match self.is_original() && other.is_original() {
[INFO] [stderr] 68 | |             true => Original( (self.into_inner(), other.into_inner()) ),
[INFO] [stderr] 69 | |             false => Fixed( (self.into_inner(), other.into_inner()) ),
[INFO] [stderr] 70 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if self.is_original() && other.is_original() { Original( (self.into_inner(), other.into_inner()) ) } else { Fixed( (self.into_inner(), other.into_inner()) ) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/core/style.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | /         match v {
[INFO] [stderr] 12 | |             true => Color::black(),
[INFO] [stderr] 13 | |             false => Color::white(),
[INFO] [stderr] 14 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if v { Color::black() } else { Color::white() }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/core/style.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn as_bool(&self) -> bool {
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `kreida`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6c261b686562846f43372d38fafcad4c5b1f45ded331432e728c123f14562e0b"`
[INFO] running `"docker" "rm" "-f" "6c261b686562846f43372d38fafcad4c5b1f45ded331432e728c123f14562e0b"`
[INFO] [stdout] 6c261b686562846f43372d38fafcad4c5b1f45ded331432e728c123f14562e0b