[INFO] crate webrender_api 0.57.2 is already in cache
[INFO] extracting crate webrender_api 0.57.2 into work/ex/clippy-test-run/sources/stable/reg/webrender_api/0.57.2
[INFO] extracting crate webrender_api 0.57.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/webrender_api/0.57.2
[INFO] validating manifest of webrender_api-0.57.2 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 webrender_api-0.57.2 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 webrender_api-0.57.2
[INFO] finished frobbing webrender_api-0.57.2
[INFO] frobbed toml for webrender_api-0.57.2 written to work/ex/clippy-test-run/sources/stable/reg/webrender_api/0.57.2/Cargo.toml
[INFO] started frobbing webrender_api-0.57.2
[INFO] finished frobbing webrender_api-0.57.2
[INFO] frobbed toml for webrender_api-0.57.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/webrender_api/0.57.2/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 webrender_api-0.57.2 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/webrender_api/0.57.2:/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] 920f118cf98b97150be25a1a9aacd184cdd1c4dbe9b95025ff8d04b6e0d20a74
[INFO] running `"docker" "start" "-a" "920f118cf98b97150be25a1a9aacd184cdd1c4dbe9b95025ff8d04b6e0d20a74"`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking app_units v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.10.4
[INFO] [stderr]     Checking euclid v0.19.5
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking webrender_api v0.57.2 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `float_cmp` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::float_cmp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `too_many_arguments` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:56
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                                        ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::too_many_arguments`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `unreadable_literal` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:76
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                                                            ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `float_cmp` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::float_cmp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `too_many_arguments` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:56
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                                        ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::too_many_arguments`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `unreadable_literal` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:76
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                                                            ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `float_cmp` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::float_cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `float_cmp` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/lib.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, too_many_arguments, unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^ help: change it to: `clippy::float_cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `Peeking`
[INFO] [stderr]    --> src/display_list.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | / enum Peek {
[INFO] [stderr] 111 | |     StartPeeking,
[INFO] [stderr] 112 | |     IsPeeking,
[INFO] [stderr] 113 | |     NotPeeking,
[INFO] [stderr] 114 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]     = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `Peeking`
[INFO] [stderr]    --> src/display_list.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | / enum Peek {
[INFO] [stderr] 111 | |     StartPeeking,
[INFO] [stderr] 112 | |     IsPeeking,
[INFO] [stderr] 113 | |     NotPeeking,
[INFO] [stderr] 114 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]     = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `api::Transaction`
[INFO] [stderr]   --> src/api.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     pub fn new() -> Self {
[INFO] [stderr] 63 | |         Transaction {
[INFO] [stderr] 64 | |             scene_ops: Vec::new(),
[INFO] [stderr] 65 | |             frame_ops: Vec::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         }
[INFO] [stderr] 71 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[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] 42 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `api::Transaction`
[INFO] [stderr]   --> src/api.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     pub fn new() -> Self {
[INFO] [stderr] 63 | |         Transaction {
[INFO] [stderr] 64 | |             scene_ops: Vec::new(),
[INFO] [stderr] 65 | |             frame_ops: Vec::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         }
[INFO] [stderr] 71 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[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] 42 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]     --> src/api.rs:1032:16
[INFO] [stderr]      |
[INFO] [stderr] 1032 |     pub fn get(&self) -> f32 {
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]     --> src/api.rs:1062:17
[INFO] [stderr]      |
[INFO] [stderr] 1062 |     pub fn with(&self, value: T) -> PropertyValue<T> {
[INFO] [stderr]      |                 ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]     --> src/api.rs:1032:16
[INFO] [stderr]      |
[INFO] [stderr] 1032 |     pub fn get(&self) -> f32 {
[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: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/color.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | / impl Hash for PremultipliedColorF {
[INFO] [stderr] 102 | |     fn hash<H: Hasher>(&self, state: &mut H) {
[INFO] [stderr] 103 | |         // Note: this is inconsistent with the Eq impl for -0.0 (don't care).
[INFO] [stderr] 104 | |         self.r.to_bits().hash(state);
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |     }
[INFO] [stderr] 109 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/color.rs:16:43
[INFO] [stderr]     |
[INFO] [stderr] 16  | #[derive(Clone, Copy, Debug, Deserialize, PartialEq, PartialOrd, Serialize)]
[INFO] [stderr]     |                                           ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]     --> src/api.rs:1062:17
[INFO] [stderr]      |
[INFO] [stderr] 1062 |     pub fn with(&self, value: T) -> PropertyValue<T> {
[INFO] [stderr]      |                 ^^^^^ help: consider passing by value instead: `self`
[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] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:155:16
[INFO] [stderr]     |
[INFO] [stderr] 155 |             r: color.r as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.r)`
[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 f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:156:16
[INFO] [stderr]     |
[INFO] [stderr] 156 |             g: color.g as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.g)`
[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: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:157:16
[INFO] [stderr]     |
[INFO] [stderr] 157 |             b: color.b as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.b)`
[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: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:158:16
[INFO] [stderr]     |
[INFO] [stderr] 158 |             a: color.a as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.a)`
[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: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/color.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | / impl Hash for PremultipliedColorF {
[INFO] [stderr] 102 | |     fn hash<H: Hasher>(&self, state: &mut H) {
[INFO] [stderr] 103 | |         // Note: this is inconsistent with the Eq impl for -0.0 (don't care).
[INFO] [stderr] 104 | |         self.r.to_bits().hash(state);
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |     }
[INFO] [stderr] 109 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/color.rs:16:43
[INFO] [stderr]     |
[INFO] [stderr] 16  | #[derive(Clone, Copy, Debug, Deserialize, PartialEq, PartialOrd, Serialize)]
[INFO] [stderr]     |                                           ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:155:16
[INFO] [stderr]     |
[INFO] [stderr] 155 |             r: color.r as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.r)`
[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 f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:156:16
[INFO] [stderr]     |
[INFO] [stderr] 156 |             g: color.g as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.g)`
[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: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:157:16
[INFO] [stderr]     |
[INFO] [stderr] 157 |             b: color.b as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.b)`
[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: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/color.rs:158:16
[INFO] [stderr]     |
[INFO] [stderr] 158 |             a: color.a as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: try: `f32::from(color.a)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:380:22
[INFO] [stderr]     |
[INFO] [stderr] 380 |     pub fn is_hidden(&self) -> bool {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:380:22
[INFO] [stderr]     |
[INFO] [stderr] 380 |     pub fn is_hidden(&self) -> bool {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:594:31
[INFO] [stderr]     |
[INFO] [stderr] 594 |     pub fn get_feature_string(&self) -> &'static str {
[INFO] [stderr]     |                               ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:632:26
[INFO] [stderr]     |
[INFO] [stderr] 632 |     pub fn get_plane_num(&self) -> usize {
[INFO] [stderr]     |                          ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:640:31
[INFO] [stderr]     |
[INFO] [stderr] 640 |     pub fn get_feature_string(&self) -> &'static str {
[INFO] [stderr]     |                               ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:677:46
[INFO] [stderr]     |
[INFO] [stderr] 677 |     pub fn create_with_offset(&self, offset: &LayoutVector2D) -> LocalClip {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^ help: consider passing by value instead: `LayoutVector2D`
[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] warning: defining a method called `next` on this type; consider implementing the `std::iter::Iterator` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/display_list.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 | /     pub fn next<'b>(&'b mut self) -> Option<DisplayItemRef<'a, 'b>> {
[INFO] [stderr] 232 | |         use SpecificDisplayItem::*;
[INFO] [stderr] 233 | |
[INFO] [stderr] 234 | |         match self.peeking {
[INFO] [stderr] ...   |
[INFO] [stderr] 259 | |         Some(self.as_ref())
[INFO] [stderr] 260 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_list.rs:357:53
[INFO] [stderr]     |
[INFO] [stderr] 357 |     pub fn get_layout_primitive_info(&self, offset: &LayoutVector2D) -> LayoutPrimitiveInfo {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^ help: consider passing by value instead: `LayoutVector2D`
[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] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:650:22
[INFO] [stderr]     |
[INFO] [stderr] 650 |             self.0 = self.0.offset(buf.len() as isize);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.0.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:659:22
[INFO] [stderr]     |
[INFO] [stderr] 659 |             self.0 = self.0.offset(buf.len() as isize);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.0.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:700:24
[INFO] [stderr]     |
[INFO] [stderr] 700 |     let ptr = unsafe { vec.as_mut_ptr().offset(old_len as isize) };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.as_mut_ptr().add(old_len)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:740:24
[INFO] [stderr]     |
[INFO] [stderr] 740 |     let ptr = unsafe { vec.as_mut_ptr().offset(old_len as isize) };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.as_mut_ptr().add(old_len)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:773:23
[INFO] [stderr]     |
[INFO] [stderr] 773 |             let end = buf.as_ptr().offset(buf.len() as isize);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `buf.as_ptr().add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:793:21
[INFO] [stderr]     |
[INFO] [stderr] 793 |             assert!(self.start.offset(buf.len() as isize) <= self.end, "UnsafeReader: read past end of target");
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.start.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:795:26
[INFO] [stderr]     |
[INFO] [stderr] 795 |             self.start = self.start.offset(buf.len() as isize);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.start.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:594:31
[INFO] [stderr]     |
[INFO] [stderr] 594 |     pub fn get_feature_string(&self) -> &'static str {
[INFO] [stderr]     |                               ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:632:26
[INFO] [stderr]     |
[INFO] [stderr] 632 |     pub fn get_plane_num(&self) -> usize {
[INFO] [stderr]     |                          ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:640:31
[INFO] [stderr]     |
[INFO] [stderr] 640 |     pub fn get_feature_string(&self) -> &'static str {
[INFO] [stderr]     |                               ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_item.rs:677:46
[INFO] [stderr]     |
[INFO] [stderr] 677 |     pub fn create_with_offset(&self, offset: &LayoutVector2D) -> LocalClip {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^ help: consider passing by value instead: `LayoutVector2D`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn to_degrees(&self) -> f32 {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[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] warning: casting i16 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/font.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         self.angle as f32 / Self::ANGLE_SCALE
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: try: `f32::from(self.angle)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:217:23
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn to_radians(&self) -> f32 {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:221:20
[INFO] [stderr]     |
[INFO] [stderr] 221 |     pub fn to_skew(&self) -> f32 {
[INFO] [stderr]     |                    ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:233:23
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn is_enabled(&self) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[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] warning: defining a method called `next` on this type; consider implementing the `std::iter::Iterator` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/display_list.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 | /     pub fn next<'b>(&'b mut self) -> Option<DisplayItemRef<'a, 'b>> {
[INFO] [stderr] 232 | |         use SpecificDisplayItem::*;
[INFO] [stderr] 233 | |
[INFO] [stderr] 234 | |         match self.peeking {
[INFO] [stderr] ...   |
[INFO] [stderr] 259 | |         Some(self.as_ref())
[INFO] [stderr] 260 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/display_list.rs:357:53
[INFO] [stderr]     |
[INFO] [stderr] 357 |     pub fn get_layout_primitive_info(&self, offset: &LayoutVector2D) -> LayoutPrimitiveInfo {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^ help: consider passing by value instead: `LayoutVector2D`
[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] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:650:22
[INFO] [stderr]     |
[INFO] [stderr] 650 |             self.0 = self.0.offset(buf.len() as isize);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.0.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:659:22
[INFO] [stderr]     |
[INFO] [stderr] 659 |             self.0 = self.0.offset(buf.len() as isize);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.0.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:700:24
[INFO] [stderr]     |
[INFO] [stderr] 700 |     let ptr = unsafe { vec.as_mut_ptr().offset(old_len as isize) };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.as_mut_ptr().add(old_len)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:740:24
[INFO] [stderr]     |
[INFO] [stderr] 740 |     let ptr = unsafe { vec.as_mut_ptr().offset(old_len as isize) };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `vec.as_mut_ptr().add(old_len)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:773:23
[INFO] [stderr]     |
[INFO] [stderr] 773 |             let end = buf.as_ptr().offset(buf.len() as isize);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `buf.as_ptr().add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:793:21
[INFO] [stderr]     |
[INFO] [stderr] 793 |             assert!(self.start.offset(buf.len() as isize) <= self.end, "UnsafeReader: read past end of target");
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.start.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/display_list.rs:795:26
[INFO] [stderr]     |
[INFO] [stderr] 795 |             self.start = self.start.offset(buf.len() as isize);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.start.add(buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/units.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn as_scroll_parent_vector(vector: &LayoutVector2D) -> ScrollLayerVector2D {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^ help: consider passing by value instead: `LayoutVector2D`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn to_degrees(&self) -> f32 {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[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] warning: casting i16 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/font.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         self.angle as f32 / Self::ANGLE_SCALE
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: try: `f32::from(self.angle)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:217:23
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn to_radians(&self) -> f32 {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:221:20
[INFO] [stderr]     |
[INFO] [stderr] 221 |     pub fn to_skew(&self) -> f32 {
[INFO] [stderr]     |                    ^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/font.rs:233:23
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pub fn is_enabled(&self) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `webrender_api`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/units.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn as_scroll_parent_vector(vector: &LayoutVector2D) -> ScrollLayerVector2D {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^ help: consider passing by value instead: `LayoutVector2D`
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `webrender_api`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "920f118cf98b97150be25a1a9aacd184cdd1c4dbe9b95025ff8d04b6e0d20a74"`
[INFO] running `"docker" "rm" "-f" "920f118cf98b97150be25a1a9aacd184cdd1c4dbe9b95025ff8d04b6e0d20a74"`
[INFO] [stdout] 920f118cf98b97150be25a1a9aacd184cdd1c4dbe9b95025ff8d04b6e0d20a74