[INFO] crate spidev 0.3.0 is already in cache
[INFO] extracting crate spidev 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/spidev/0.3.0
[INFO] extracting crate spidev 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/spidev/0.3.0
[INFO] validating manifest of spidev-0.3.0 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 spidev-0.3.0 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 spidev-0.3.0
[INFO] finished frobbing spidev-0.3.0
[INFO] frobbed toml for spidev-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/spidev/0.3.0/Cargo.toml
[INFO] started frobbing spidev-0.3.0
[INFO] finished frobbing spidev-0.3.0
[INFO] frobbed toml for spidev-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/spidev/0.3.0/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 spidev-0.3.0 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/spidev/0.3.0:/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] 409bf86253028b56cb62b033f8273ef823b8f63cac309d665d62e941a88c2610
[INFO] running `"docker" "start" "-a" "409bf86253028b56cb62b033f8273ef823b8f63cac309d665d62e941a88c2610"`
[INFO] [stderr]     Checking spidev v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:220:21
[INFO] [stderr]     |
[INFO] [stderr] 220 |         Ok(Spidev { devfile: devfile })
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `devfile`
[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/lib.rs:220:21
[INFO] [stderr]     |
[INFO] [stderr] 220 |         Ok(Spidev { devfile: devfile })
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `devfile`
[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: long literal lacking separators
[INFO] [stderr]    --> src/spidevioctl.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |     if (mode.bits & 0xFFFFFF00) != 0 {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider: `0xFFFF_FF00`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/spidevioctl.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |     if (mode.bits & 0xFFFFFF00) != 0 {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider: `0xFFFF_FF00`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/spidevioctl.rs:118:31
[INFO] [stderr]     |
[INFO] [stderr] 118 |     const SPI_IOC_MAGIC: u8 = 'k' as u8;
[INFO] [stderr]     |                               ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'k'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `SpidevOptions`
[INFO] [stderr]    --> src/lib.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 | /     pub fn new() -> SpidevOptions {
[INFO] [stderr] 150 | |         SpidevOptions {
[INFO] [stderr] 151 | |             bits_per_word: None,
[INFO] [stderr] 152 | |             max_speed_hz: None,
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |         }
[INFO] [stderr] 156 | |     }
[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] 140 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/spidevioctl.rs:118:31
[INFO] [stderr]     |
[INFO] [stderr] 118 |     const SPI_IOC_MAGIC: u8 = 'k' as u8;
[INFO] [stderr]     |                               ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'k'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `SpidevOptions`
[INFO] [stderr]    --> src/lib.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 | /     pub fn new() -> SpidevOptions {
[INFO] [stderr] 150 | |         SpidevOptions {
[INFO] [stderr] 151 | |             bits_per_word: None,
[INFO] [stderr] 152 | |             max_speed_hz: None,
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |         }
[INFO] [stderr] 156 | |     }
[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] 140 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]  --> examples/spidev-hello.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     spidev.write(&[0xAA, 0x00, 0x01, 0x02, 0x04]).unwrap();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> examples/spidev-hello.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     spidev.read(&mut buf).unwrap(); // read 10
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `spidev`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "409bf86253028b56cb62b033f8273ef823b8f63cac309d665d62e941a88c2610"`
[INFO] running `"docker" "rm" "-f" "409bf86253028b56cb62b033f8273ef823b8f63cac309d665d62e941a88c2610"`
[INFO] [stdout] 409bf86253028b56cb62b033f8273ef823b8f63cac309d665d62e941a88c2610