[INFO] crate ilda 0.2.0 is already in cache
[INFO] extracting crate ilda 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/ilda/0.2.0
[INFO] extracting crate ilda 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ilda/0.2.0
[INFO] validating manifest of ilda-0.2.0 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 ilda-0.2.0 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 ilda-0.2.0
[INFO] finished frobbing ilda-0.2.0
[INFO] frobbed toml for ilda-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/ilda/0.2.0/Cargo.toml
[INFO] started frobbing ilda-0.2.0
[INFO] finished frobbing ilda-0.2.0
[INFO] frobbed toml for ilda-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ilda/0.2.0/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 ilda-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/ilda/0.2.0:/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] f5ed05574a33bf30d706c682fd2e9468612b7dfad44f05682586e7998dea2568
[INFO] running `"docker" "start" "-a" "f5ed05574a33bf30d706c682fd2e9468612b7dfad44f05682586e7998dea2568"`
[INFO] [stderr]     Checking point v0.3.1
[INFO] [stderr]     Checking ilda v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/animation.rs:127:7
[INFO] [stderr]     |
[INFO] [stderr] 127 |       frames: frames,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `frames`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/animation.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         points: points,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `points`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/animation.rs:444:7
[INFO] [stderr]     |
[INFO] [stderr] 444 |       points: points,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `points`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     name: name,
[INFO] [stderr]     |     ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     company_name: company_name,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `company_name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     total_frames: total_frames,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total_frames`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     projector_number: projector_number,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `projector_number`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/animation.rs:127:7
[INFO] [stderr]     |
[INFO] [stderr] 127 |       frames: frames,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `frames`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/animation.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         points: points,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `points`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/animation.rs:444:7
[INFO] [stderr]     |
[INFO] [stderr] 444 |       points: points,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `points`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     name: name,
[INFO] [stderr]     |     ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     company_name: company_name,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `company_name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     total_frames: total_frames,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total_frames`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     projector_number: projector_number,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `projector_number`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/animation.rs:224:15
[INFO] [stderr]     |
[INFO] [stderr] 224 |       None => return None, // Iteration has ended
[INFO] [stderr]     |               ^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/animation.rs:224:15
[INFO] [stderr]     |
[INFO] [stderr] 224 |       None => return None, // Iteration has ended
[INFO] [stderr]     |               ^^^^^^^^^^^ help: remove `return` as shown: `None`
[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: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/animation.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |   pub fn into_frame_iter<'a>(&'a self) -> AnimationFrameIterator<'a> {
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/animation.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 | /   pub fn into_frame_iter<'a>(&'a self) -> AnimationFrameIterator<'a> {
[INFO] [stderr] 52 | |     AnimationFrameIterator { animation: self, index: 0 }
[INFO] [stderr] 53 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/animation.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |   pub fn into_point_iter<'a>(&'a self) -> AnimationPointIterator<'a> {
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/animation.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 | /   pub fn into_point_iter<'a>(&'a self) -> AnimationPointIterator<'a> {
[INFO] [stderr] 58 | |     AnimationPointIterator {
[INFO] [stderr] 59 | |       animation: self,
[INFO] [stderr] 60 | |       current_frame: self.frames.get(0),
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |     }
[INFO] [stderr] 64 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/animation.rs:88:7
[INFO] [stderr]     |
[INFO] [stderr] 88  | /       match entry {
[INFO] [stderr] 89  | |         IldaEntry::HeaderEntry(mut header) => {
[INFO] [stderr] 90  | |           if current_frame.is_some() {
[INFO] [stderr] 91  | |             let frame = current_frame.take().unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |         _ => {},
[INFO] [stderr] 104 | |       }
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 88  |       if let IldaEntry::HeaderEntry(mut header) = entry {
[INFO] [stderr] 89  |   if current_frame.is_some() {
[INFO] [stderr] 90  |     let frame = current_frame.take().unwrap();
[INFO] [stderr] 91  |     frames.push(frame);
[INFO] [stderr] 92  |   }
[INFO] [stderr] 93  | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |   (((bytes[0] as u16) << 8) | (bytes[1] as u16)) as i16
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[0])`
[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/data.rs:323:31
[INFO] [stderr]     |
[INFO] [stderr] 323 |   (((bytes[0] as u16) << 8) | (bytes[1] as u16)) as i16
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[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] warning: needlessly taken reference of both operands
[INFO] [stderr]    --> src/parser.rs:123:34
[INFO] [stderr]     |
[INFO] [stderr] 123 |   if header_bytes.len() != 32 || &header_bytes[0..4] != &ILDA_HEADER {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]     |
[INFO] [stderr] 123 |   if header_bytes.len() != 32 || header_bytes[0..4] != ILDA_HEADER {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/parser.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 |   ((bytes[0] as u16) << 8) | (bytes[1] as u16)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/parser.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |   ((bytes[0] as u16) << 8) | (bytes[1] as u16)
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[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] warning: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/animation.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |   pub fn into_frame_iter<'a>(&'a self) -> AnimationFrameIterator<'a> {
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/animation.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 | /   pub fn into_frame_iter<'a>(&'a self) -> AnimationFrameIterator<'a> {
[INFO] [stderr] 52 | |     AnimationFrameIterator { animation: self, index: 0 }
[INFO] [stderr] 53 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/animation.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |   pub fn into_point_iter<'a>(&'a self) -> AnimationPointIterator<'a> {
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/animation.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 | /   pub fn into_point_iter<'a>(&'a self) -> AnimationPointIterator<'a> {
[INFO] [stderr] 58 | |     AnimationPointIterator {
[INFO] [stderr] 59 | |       animation: self,
[INFO] [stderr] 60 | |       current_frame: self.frames.get(0),
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |     }
[INFO] [stderr] 64 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/animation.rs:88:7
[INFO] [stderr]     |
[INFO] [stderr] 88  | /       match entry {
[INFO] [stderr] 89  | |         IldaEntry::HeaderEntry(mut header) => {
[INFO] [stderr] 90  | |           if current_frame.is_some() {
[INFO] [stderr] 91  | |             let frame = current_frame.take().unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |         _ => {},
[INFO] [stderr] 104 | |       }
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 88  |       if let IldaEntry::HeaderEntry(mut header) = entry {
[INFO] [stderr] 89  |   if current_frame.is_some() {
[INFO] [stderr] 90  |     let frame = current_frame.take().unwrap();
[INFO] [stderr] 91  |     frames.push(frame);
[INFO] [stderr] 92  |   }
[INFO] [stderr] 93  | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/data.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |   (((bytes[0] as u16) << 8) | (bytes[1] as u16)) as i16
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[0])`
[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/data.rs:323:31
[INFO] [stderr]     |
[INFO] [stderr] 323 |   (((bytes[0] as u16) << 8) | (bytes[1] as u16)) as i16
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[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] warning: needlessly taken reference of both operands
[INFO] [stderr]    --> src/parser.rs:123:34
[INFO] [stderr]     |
[INFO] [stderr] 123 |   if header_bytes.len() != 32 || &header_bytes[0..4] != &ILDA_HEADER {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]     |
[INFO] [stderr] 123 |   if header_bytes.len() != 32 || header_bytes[0..4] != ILDA_HEADER {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/parser.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 |   ((bytes[0] as u16) << 8) | (bytes[1] as u16)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/parser.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |   ((bytes[0] as u16) << 8) | (bytes[1] as u16)
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: try: `u16::from(bytes[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] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> examples/render_test_pattern.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 |   let ref mut fout = File::create(&Path::new("output.png"))
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 39 |   let fout = &mut File::create(&Path::new("output.png"))
[INFO] [stderr] 40 |     .unwrap();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |   let ix = (x as i32).saturating_add(limit::MAX_X as i32);
[INFO] [stderr]    |            ^^^^^^^^^^ help: try: `i32::from(x)`
[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 i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:47:38
[INFO] [stderr]    |
[INFO] [stderr] 47 |   let ix = (x as i32).saturating_add(limit::MAX_X as i32);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(limit::MAX_X)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let scale = (img_width as f64) / (limit::WIDTH as f64);
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img_width)`
[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 u16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:48:36
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let scale = (img_width as f64) / (limit::WIDTH as f64);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(limit::WIDTH)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |   ((ix as f64 * scale) as i32).abs() as u32
[INFO] [stderr]    |     ^^^^^^^^^ help: try: `f64::from(ix)`
[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 i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |   let iy = ((y * -1) as i32).saturating_add(limit::MAX_Y as i32);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: try: `i32::from(y * -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] warning: Negation by multiplying with -1
[INFO] [stderr]   --> examples/render_test_pattern.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |   let iy = ((y * -1) as i32).saturating_add(limit::MAX_Y as i32);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::neg_multiply)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:56:45
[INFO] [stderr]    |
[INFO] [stderr] 56 |   let iy = ((y * -1) as i32).saturating_add(limit::MAX_Y as i32);
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(limit::MAX_Y)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:57:15
[INFO] [stderr]    |
[INFO] [stderr] 57 |   let scale = (img_height as f64) / (limit::HEIGHT as f64);
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(img_height)`
[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 u16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:57:37
[INFO] [stderr]    |
[INFO] [stderr] 57 |   let scale = (img_height as f64) / (limit::HEIGHT as f64);
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(limit::HEIGHT)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> examples/render_test_pattern.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |   ((iy as f64 * scale) as i32).abs() as u32
[INFO] [stderr]    |     ^^^^^^^^^ help: try: `f64::from(iy)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `"docker" "inspect" "f5ed05574a33bf30d706c682fd2e9468612b7dfad44f05682586e7998dea2568"`
[INFO] running `"docker" "rm" "-f" "f5ed05574a33bf30d706c682fd2e9468612b7dfad44f05682586e7998dea2568"`
[INFO] [stdout] f5ed05574a33bf30d706c682fd2e9468612b7dfad44f05682586e7998dea2568