[INFO] crate mpu9250-i2c 0.6.3 is already in cache
[INFO] extracting crate mpu9250-i2c 0.6.3 into work/ex/clippy-test-run/sources/stable/reg/mpu9250-i2c/0.6.3
[INFO] extracting crate mpu9250-i2c 0.6.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mpu9250-i2c/0.6.3
[INFO] validating manifest of mpu9250-i2c-0.6.3 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 mpu9250-i2c-0.6.3 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 mpu9250-i2c-0.6.3
[INFO] finished frobbing mpu9250-i2c-0.6.3
[INFO] frobbed toml for mpu9250-i2c-0.6.3 written to work/ex/clippy-test-run/sources/stable/reg/mpu9250-i2c/0.6.3/Cargo.toml
[INFO] started frobbing mpu9250-i2c-0.6.3
[INFO] finished frobbing mpu9250-i2c-0.6.3
[INFO] frobbed toml for mpu9250-i2c-0.6.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mpu9250-i2c/0.6.3/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 mpu9250-i2c-0.6.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/mpu9250-i2c/0.6.3:/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] 5f043ee1daed55bb5c54bf1dc2d77d8c8ad6abdd587d17bc8f6ed4a98ffbafff
[INFO] running `"docker" "start" "-a" "5f043ee1daed55bb5c54bf1dc2d77d8c8ad6abdd587d17bc8f6ed4a98ffbafff"`
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]     Checking mat v0.2.0
[INFO] [stderr]     Checking madgwick v0.1.1
[INFO] [stderr]     Checking mpu9250-i2c v0.6.3 (/opt/crater/workdir)
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/mag.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn addr(&self) -> u8 {
[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/mag.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:108:15
[INFO] [stderr]     |
[INFO] [stderr] 108 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:130:15
[INFO] [stderr]     |
[INFO] [stderr] 130 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:152:15
[INFO] [stderr]     |
[INFO] [stderr] 152 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:176:15
[INFO] [stderr]     |
[INFO] [stderr] 176 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:200:15
[INFO] [stderr]     |
[INFO] [stderr] 200 |   pub fn addr(&self) -> u8 {
[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/mag.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn addr(&self) -> u8 {
[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/mag.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:108:15
[INFO] [stderr]     |
[INFO] [stderr] 108 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:130:15
[INFO] [stderr]     |
[INFO] [stderr] 130 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:152:15
[INFO] [stderr]     |
[INFO] [stderr] 152 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:176:15
[INFO] [stderr]     |
[INFO] [stderr] 176 |   pub fn addr(&self) -> u8 {
[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/mpu9250.rs:200:15
[INFO] [stderr]     |
[INFO] [stderr] 200 |   pub fn addr(&self) -> u8 {
[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: using `println!("")`
[INFO] [stderr]   --> src/bin/calibrate.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   println!("");
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/bin/calibrate.rs:330:3
[INFO] [stderr]     |
[INFO] [stderr] 330 |   println!("");
[INFO] [stderr]     |   ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/bin/calibrate.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   println!("");
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/bin/calibrate.rs:330:3
[INFO] [stderr]     |
[INFO] [stderr] 330 |   println!("");
[INFO] [stderr]     |   ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/mpu9250.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |   duration.as_secs() * 1_000 + (duration.subsec_millis() as u64)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_millis())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/ahrs.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |   duration.as_secs() * 1_000 + (duration.subsec_millis() as u64)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_millis())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/mpu9250.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |   duration.as_secs() * 1_000 + (duration.subsec_millis() as u64)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_millis())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/ahrs.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |   duration.as_secs() * 1_000 + (duration.subsec_millis() as u64)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_millis())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `"docker" "inspect" "5f043ee1daed55bb5c54bf1dc2d77d8c8ad6abdd587d17bc8f6ed4a98ffbafff"`
[INFO] running `"docker" "rm" "-f" "5f043ee1daed55bb5c54bf1dc2d77d8c8ad6abdd587d17bc8f6ed4a98ffbafff"`
[INFO] [stdout] 5f043ee1daed55bb5c54bf1dc2d77d8c8ad6abdd587d17bc8f6ed4a98ffbafff