[INFO] crate ddc 0.2.1 is already in cache
[INFO] extracting crate ddc 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/ddc/0.2.1
[INFO] extracting crate ddc 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ddc/0.2.1
[INFO] validating manifest of ddc-0.2.1 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 ddc-0.2.1 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 ddc-0.2.1
[INFO] finished frobbing ddc-0.2.1
[INFO] frobbed toml for ddc-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/ddc/0.2.1/Cargo.toml
[INFO] started frobbing ddc-0.2.1
[INFO] finished frobbing ddc-0.2.1
[INFO] frobbed toml for ddc-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ddc/0.2.1/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 ddc-0.2.1 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/ddc/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66cba3e26473d0fb91392491738c910ae4468b671985e581436f2a1d878718ae
[INFO] running `"docker" "start" "-a" "66cba3e26473d0fb91392491738c910ae4468b671985e581436f2a1d878718ae"`
[INFO] [stderr]     Checking ddc v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/commands.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             code: code,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             code: code,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             value: value,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/commands.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             code: code,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             offset: offset,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/commands.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/commands.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             code: code,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |             offset: offset,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/commands.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |             offset: offset,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/delay.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             delay: delay,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `delay`
[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/commands.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             code: code,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             code: code,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             value: value,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/commands.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             code: code,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             offset: offset,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/commands.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/commands.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             code: code,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `code`
[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/commands.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |             offset: offset,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/commands.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |             offset: offset,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/delay.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             delay: delay,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `delay`
[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: trait `Command` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/commands.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / pub trait Command {
[INFO] [stderr] 6  | |     type Ok: CommandResult;
[INFO] [stderr] 7  | |     const MIN_LEN: usize;
[INFO] [stderr] 8  | |     const MAX_LEN: usize;
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     fn encode(&self, data: &mut [u8]) -> Result<usize, ErrorCode>;
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/commands.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |         assert!(data.len() >= 1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:289:25
[INFO] [stderr]     |
[INFO] [stderr] 289 |         table.offset = ((data[1] as u16) << 8) | data[2] as u16;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[1])`
[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/commands.rs:289:50
[INFO] [stderr]     |
[INFO] [stderr] 289 |         table.offset = ((data[1] as u16) << 8) | data[2] as u16;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:316:22
[INFO] [stderr]     |
[INFO] [stderr] 316 |             offset: ((data[1] as u16) << 8) | data[2] as u16,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:316:47
[INFO] [stderr]     |
[INFO] [stderr] 316 |             offset: ((data[1] as u16) << 8) | data[2] as u16,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: length comparison to one
[INFO] [stderr]    --> src/commands.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |         assert!(data.len() >= 1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:363:36
[INFO] [stderr]     |
[INFO] [stderr] 363 |             horizontal_frequency: ((data[2] as u16) << 8) | data[3] as u16,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:363:61
[INFO] [stderr]     |
[INFO] [stderr] 363 |             horizontal_frequency: ((data[2] as u16) << 8) | data[3] as u16,
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:364:34
[INFO] [stderr]     |
[INFO] [stderr] 364 |             vertical_frequency: ((data[4] as u16) << 8) | data[5] as u16,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[4])`
[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/commands.rs:364:59
[INFO] [stderr]     |
[INFO] [stderr] 364 |             vertical_frequency: ((data[4] as u16) << 8) | data[5] as u16,
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^ help: try: `u16::from(data[5])`
[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: use of `unwrap_or` followed by a call to `default`
[INFO] [stderr]   --> src/delay.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         self.time.as_ref().and_then(|time| self.delay.checked_sub(time.elapsed())).unwrap_or(Duration::default())
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.time.as_ref().and_then(|time| self.delay.checked_sub(time.elapsed())).unwrap_or_default()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Command` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/commands.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / pub trait Command {
[INFO] [stderr] 6  | |     type Ok: CommandResult;
[INFO] [stderr] 7  | |     const MIN_LEN: usize;
[INFO] [stderr] 8  | |     const MAX_LEN: usize;
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     fn encode(&self, data: &mut [u8]) -> Result<usize, ErrorCode>;
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/commands.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |         assert!(data.len() >= 1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:289:25
[INFO] [stderr]     |
[INFO] [stderr] 289 |         table.offset = ((data[1] as u16) << 8) | data[2] as u16;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[1])`
[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/commands.rs:289:50
[INFO] [stderr]     |
[INFO] [stderr] 289 |         table.offset = ((data[1] as u16) << 8) | data[2] as u16;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:316:22
[INFO] [stderr]     |
[INFO] [stderr] 316 |             offset: ((data[1] as u16) << 8) | data[2] as u16,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:316:47
[INFO] [stderr]     |
[INFO] [stderr] 316 |             offset: ((data[1] as u16) << 8) | data[2] as u16,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: length comparison to one
[INFO] [stderr]    --> src/commands.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |         assert!(data.len() >= 1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!data.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:363:36
[INFO] [stderr]     |
[INFO] [stderr] 363 |             horizontal_frequency: ((data[2] as u16) << 8) | data[3] as u16,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:363:61
[INFO] [stderr]     |
[INFO] [stderr] 363 |             horizontal_frequency: ((data[2] as u16) << 8) | data[3] as u16,
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^ help: try: `u16::from(data[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] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/commands.rs:364:34
[INFO] [stderr]     |
[INFO] [stderr] 364 |             vertical_frequency: ((data[4] as u16) << 8) | data[5] as u16,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[4])`
[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/commands.rs:364:59
[INFO] [stderr]     |
[INFO] [stderr] 364 |             vertical_frequency: ((data[4] as u16) << 8) | data[5] as u16,
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^ help: try: `u16::from(data[5])`
[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: use of `unwrap_or` followed by a call to `default`
[INFO] [stderr]   --> src/delay.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         self.time.as_ref().and_then(|time| self.delay.checked_sub(time.elapsed())).unwrap_or(Duration::default())
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.time.as_ref().and_then(|time| self.delay.checked_sub(time.elapsed())).unwrap_or_default()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "66cba3e26473d0fb91392491738c910ae4468b671985e581436f2a1d878718ae"`
[INFO] running `"docker" "rm" "-f" "66cba3e26473d0fb91392491738c910ae4468b671985e581436f2a1d878718ae"`
[INFO] [stdout] 66cba3e26473d0fb91392491738c910ae4468b671985e581436f2a1d878718ae