[INFO] crate attheme 0.1.1 is already in cache [INFO] extracting crate attheme 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/attheme/0.1.1 [INFO] extracting crate attheme 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/attheme/0.1.1 [INFO] validating manifest of attheme-0.1.1 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 attheme-0.1.1 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 attheme-0.1.1 [INFO] finished frobbing attheme-0.1.1 [INFO] frobbed toml for attheme-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/attheme/0.1.1/Cargo.toml [INFO] started frobbing attheme-0.1.1 [INFO] finished frobbing attheme-0.1.1 [INFO] frobbed toml for attheme-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/attheme/0.1.1/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 attheme-0.1.1 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-0/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/reg/attheme/0.1.1:/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 -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] 52bfe7852c20e69cca918516d874a6c71c48ae11ae9178015395959ce9597175 [INFO] running `"docker" "start" "-a" "52bfe7852c20e69cca918516d874a6c71c48ae11ae9178015395959ce9597175"` [INFO] [stderr] Checking attheme v0.1.1 (/opt/crater/workdir) [INFO] [stderr] error: you should consider deriving a `Default` implementation for `attheme::Attheme` [INFO] [stderr] --> src/attheme.rs:30:3 [INFO] [stderr] | [INFO] [stderr] 30 | / pub fn new() -> Attheme { [INFO] [stderr] 31 | | Attheme { [INFO] [stderr] 32 | | variables: IndexMap::new(), [INFO] [stderr] 33 | | wallpaper: None, [INFO] [stderr] 34 | | } [INFO] [stderr] 35 | | } [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::new_without_default_derive)] implied by #[deny(warnings)] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: redundant pattern matching, consider using `is_none()` [INFO] [stderr] --> src/attheme.rs:335:12 [INFO] [stderr] | [INFO] [stderr] 335 | if let None = self.wallpaper { [INFO] [stderr] | _____- ^^^^ [INFO] [stderr] 336 | | self.wallpaper = other.wallpaper; [INFO] [stderr] 337 | | } [INFO] [stderr] | |_____- help: try this: `if self.wallpaper.is_none()` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::redundant_pattern_matching)] implied by #[deny(warnings)] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] error: redundant pattern matching, consider using `is_none()` [INFO] [stderr] --> src/attheme.rs:374:12 [INFO] [stderr] | [INFO] [stderr] 374 | if let None = self.wallpaper { [INFO] [stderr] | _____- ^^^^ [INFO] [stderr] 375 | | self.wallpaper = other.wallpaper.clone(); [INFO] [stderr] 376 | | } [INFO] [stderr] | |_____- help: try this: `if self.wallpaper.is_none()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] error: you should consider deriving a `Default` implementation for `attheme::Attheme` [INFO] [stderr] --> src/attheme.rs:30:3 [INFO] [stderr] | [INFO] [stderr] 30 | / pub fn new() -> Attheme { [INFO] [stderr] 31 | | Attheme { [INFO] [stderr] 32 | | variables: IndexMap::new(), [INFO] [stderr] 33 | | wallpaper: None, [INFO] [stderr] 34 | | } [INFO] [stderr] 35 | | } [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::new_without_default_derive)] implied by #[deny(warnings)] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: redundant pattern matching, consider using `is_none()` [INFO] [stderr] --> src/attheme.rs:335:12 [INFO] [stderr] | [INFO] [stderr] 335 | if let None = self.wallpaper { [INFO] [stderr] | _____- ^^^^ [INFO] [stderr] 336 | | self.wallpaper = other.wallpaper; [INFO] [stderr] 337 | | } [INFO] [stderr] | |_____- help: try this: `if self.wallpaper.is_none()` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::redundant_pattern_matching)] implied by #[deny(warnings)] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] error: redundant pattern matching, consider using `is_none()` [INFO] [stderr] --> src/attheme.rs:374:12 [INFO] [stderr] | [INFO] [stderr] 374 | if let None = self.wallpaper { [INFO] [stderr] | _____- ^^^^ [INFO] [stderr] 375 | | self.wallpaper = other.wallpaper.clone(); [INFO] [stderr] 376 | | } [INFO] [stderr] | |_____- help: try this: `if self.wallpaper.is_none()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] error: the operation is ineffective. Consider reducing it to `value` [INFO] [stderr] --> src/parser.rs:17:16 [INFO] [stderr] | [INFO] [stderr] 17 | let blue = (value >> (8 * 0)) as u8; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::identity_op)] implied by #[deny(warnings)] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/parser.rs:17:26 [INFO] [stderr] | [INFO] [stderr] 17 | let blue = (value >> (8 * 0)) as u8; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::erasing_op)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] error: the operation is ineffective. Consider reducing it to `8` [INFO] [stderr] --> src/parser.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | let green = (value >> (8 * 1)) as u8; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/serializer.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn color_to_int(color: &Color) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider passing by value instead: `Color` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16| #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::trivially_copy_pass_by_ref)] implied by #[deny(warnings)] [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: the operation is ineffective. Consider reducing it to `(color[2] as u32)` [INFO] [stderr] --> src/serializer.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | let int = (((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | let int = (((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[2])` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16| #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::cast_lossless)] implied by #[deny(warnings)] [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 operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/serializer.rs:5:36 [INFO] [stderr] | [INFO] [stderr] 5 | let int = (((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[1])` [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: the operation is ineffective. Consider reducing it to `8` [INFO] [stderr] --> src/serializer.rs:6:29 [INFO] [stderr] | [INFO] [stderr] 6 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | + ((color[0] as u32) << (8 * 2)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[0])` [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: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | + ((color[3] as u32) << (8 * 3))) as i32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[3])` [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 argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/serializer.rs:13:28 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn color_to_hex(color: &Color) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider passing by value instead: `Color` [INFO] [stderr] | [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: the operation is ineffective. Consider reducing it to `(color[2] as u32)` [INFO] [stderr] --> src/serializer.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let int = ((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:14:14 [INFO] [stderr] | [INFO] [stderr] 14 | let int = ((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[2])` [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 operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/serializer.rs:14:35 [INFO] [stderr] | [INFO] [stderr] 14 | let int = ((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[1])` [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: the operation is ineffective. Consider reducing it to `8` [INFO] [stderr] --> src/serializer.rs:15:29 [INFO] [stderr] | [INFO] [stderr] 15 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | + ((color[0] as u32) << (8 * 2)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[0])` [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: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | + ((color[3] as u32) << (8 * 3)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[3])` [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: aborting due to 22 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `attheme`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: the operation is ineffective. Consider reducing it to `value` [INFO] [stderr] --> src/parser.rs:17:16 [INFO] [stderr] | [INFO] [stderr] 17 | let blue = (value >> (8 * 0)) as u8; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::identity_op)] implied by #[deny(warnings)] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/parser.rs:17:26 [INFO] [stderr] | [INFO] [stderr] 17 | let blue = (value >> (8 * 0)) as u8; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::erasing_op)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] error: the operation is ineffective. Consider reducing it to `8` [INFO] [stderr] --> src/parser.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | let green = (value >> (8 * 1)) as u8; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/serializer.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn color_to_int(color: &Color) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider passing by value instead: `Color` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16| #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::trivially_copy_pass_by_ref)] implied by #[deny(warnings)] [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: the operation is ineffective. Consider reducing it to `(color[2] as u32)` [INFO] [stderr] --> src/serializer.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | let int = (((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | let int = (((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[2])` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16| #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[deny(clippy::cast_lossless)] implied by #[deny(warnings)] [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 operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/serializer.rs:5:36 [INFO] [stderr] | [INFO] [stderr] 5 | let int = (((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[1])` [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: the operation is ineffective. Consider reducing it to `8` [INFO] [stderr] --> src/serializer.rs:6:29 [INFO] [stderr] | [INFO] [stderr] 6 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | + ((color[0] as u32) << (8 * 2)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[0])` [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: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | + ((color[3] as u32) << (8 * 3))) as i32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[3])` [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 argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/serializer.rs:13:28 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn color_to_hex(color: &Color) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider passing by value instead: `Color` [INFO] [stderr] | [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: the operation is ineffective. Consider reducing it to `(color[2] as u32)` [INFO] [stderr] --> src/serializer.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let int = ((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:14:14 [INFO] [stderr] | [INFO] [stderr] 14 | let int = ((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[2])` [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 operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/serializer.rs:14:35 [INFO] [stderr] | [INFO] [stderr] 14 | let int = ((color[2] as u32) << (8 * 0)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[1])` [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: the operation is ineffective. Consider reducing it to `8` [INFO] [stderr] --> src/serializer.rs:15:29 [INFO] [stderr] | [INFO] [stderr] 15 | + ((color[1] as u32) << (8 * 1)) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [INFO] [stderr] [INFO] [stderr] error: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | + ((color[0] as u32) << (8 * 2)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[0])` [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: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/serializer.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | + ((color[3] as u32) << (8 * 3)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `u32::from(color[3])` [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: aborting due to 22 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `attheme`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "52bfe7852c20e69cca918516d874a6c71c48ae11ae9178015395959ce9597175"` [INFO] running `"docker" "rm" "-f" "52bfe7852c20e69cca918516d874a6c71c48ae11ae9178015395959ce9597175"` [INFO] [stdout] 52bfe7852c20e69cca918516d874a6c71c48ae11ae9178015395959ce9597175