[INFO] updating cached repository Niedzwiedzw/dummy-i2c-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Niedzwiedzw/dummy-i2c-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Niedzwiedzw/dummy-i2c-rust" "work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/dummy-i2c-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/dummy-i2c-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Niedzwiedzw/dummy-i2c-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Niedzwiedzw/dummy-i2c-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Niedzwiedzw/dummy-i2c-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b726623e759e33702ac0087d322abcee16b4a68a
[INFO] sha for GitHub repo Niedzwiedzw/dummy-i2c-rust: b726623e759e33702ac0087d322abcee16b4a68a
[INFO] validating manifest of Niedzwiedzw/dummy-i2c-rust 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 Niedzwiedzw/dummy-i2c-rust 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 Niedzwiedzw/dummy-i2c-rust
[INFO] finished frobbing Niedzwiedzw/dummy-i2c-rust
[INFO] frobbed toml for Niedzwiedzw/dummy-i2c-rust written to work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/dummy-i2c-rust/Cargo.toml
[INFO] started frobbing Niedzwiedzw/dummy-i2c-rust
[INFO] finished frobbing Niedzwiedzw/dummy-i2c-rust
[INFO] frobbed toml for Niedzwiedzw/dummy-i2c-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Niedzwiedzw/dummy-i2c-rust/Cargo.toml
[INFO] crate Niedzwiedzw/dummy-i2c-rust has a lockfile. skipping
[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 Niedzwiedzw/dummy-i2c-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Niedzwiedzw/dummy-i2c-rust:/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] 44008c8879f295247bc94e31492afb5908b2f75d2d3d39402911f2f2e4cfc530
[INFO] running `"docker" "start" "-a" "44008c8879f295247bc94e31492afb5908b2f75d2d3d39402911f2f2e4cfc530"`
[INFO] [stderr]     Checking i2cdummy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `portb` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let portb: *mut u8;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_portb` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `portb` is never read
[INFO] [stderr]    --> src/main.rs:101:14
[INFO] [stderr]     |
[INFO] [stderr] 101 |     unsafe { portb = &mut PORTB as *mut u8; };
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `portb` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let portb: *mut u8;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_portb` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `portb` is never read
[INFO] [stderr]    --> src/main.rs:122:14
[INFO] [stderr]     |
[INFO] [stderr] 122 |     unsafe { portb = &mut PORTB as *mut u8; };
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: literal out of range for u8
[INFO] [stderr]  --> src/main.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | const TICK: u8 = 500;  // in milliseconds
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(overflowing_literals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:12:47
[INFO] [stderr]    |
[INFO] [stderr] 12 |     thread::sleep(time::Duration::from_millis(TICK as u64));
[INFO] [stderr]    |                                               ^^^^^^^^^^^ help: try: `u64::from(TICK)`
[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: variable `portb` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let portb: *mut u8;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_portb` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `portb` is never read
[INFO] [stderr]    --> src/main.rs:101:14
[INFO] [stderr]     |
[INFO] [stderr] 101 |     unsafe { portb = &mut PORTB as *mut u8; };
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `portb` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let portb: *mut u8;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_portb` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `portb` is never read
[INFO] [stderr]    --> src/main.rs:122:14
[INFO] [stderr]     |
[INFO] [stderr] 122 |     unsafe { portb = &mut PORTB as *mut u8; };
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: literal out of range for u8
[INFO] [stderr]  --> src/main.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | const TICK: u8 = 500;  // in milliseconds
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(overflowing_literals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:12:47
[INFO] [stderr]    |
[INFO] [stderr] 12 |     thread::sleep(time::Duration::from_millis(TICK as u64));
[INFO] [stderr]    |                                               ^^^^^^^^^^^ help: try: `u64::from(TICK)`
[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 0.62s
[INFO] running `"docker" "inspect" "44008c8879f295247bc94e31492afb5908b2f75d2d3d39402911f2f2e4cfc530"`
[INFO] running `"docker" "rm" "-f" "44008c8879f295247bc94e31492afb5908b2f75d2d3d39402911f2f2e4cfc530"`
[INFO] [stdout] 44008c8879f295247bc94e31492afb5908b2f75d2d3d39402911f2f2e4cfc530