[INFO] updating cached repository andygrove/tmp102-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andygrove/tmp102-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrove/tmp102-rs" "work/ex/clippy-test-run/sources/stable/gh/andygrove/tmp102-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/andygrove/tmp102-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrove/tmp102-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andygrove/tmp102-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andygrove/tmp102-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31d56ac725032e39b2b17a43925e26aa411682dd
[INFO] sha for GitHub repo andygrove/tmp102-rs: 31d56ac725032e39b2b17a43925e26aa411682dd
[INFO] validating manifest of andygrove/tmp102-rs 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 andygrove/tmp102-rs 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 andygrove/tmp102-rs
[INFO] finished frobbing andygrove/tmp102-rs
[INFO] frobbed toml for andygrove/tmp102-rs written to work/ex/clippy-test-run/sources/stable/gh/andygrove/tmp102-rs/Cargo.toml
[INFO] started frobbing andygrove/tmp102-rs
[INFO] finished frobbing andygrove/tmp102-rs
[INFO] frobbed toml for andygrove/tmp102-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andygrove/tmp102-rs/Cargo.toml
[INFO] crate andygrove/tmp102-rs 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 andygrove/tmp102-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/andygrove/tmp102-rs:/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] e15fc6832cffb40b25ff34147ed63ac2586351aed810cd203fc1b6e329d0fb2f
[INFO] running `"docker" "start" "-a" "e15fc6832cffb40b25ff34147ed63ac2586351aed810cd203fc1b6e329d0fb2f"`
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling i2cdev v0.3.1
[INFO] [stderr]     Checking tmp102 v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut temp: u16 = ((self.buf[0] as u16) << 8_u16 | (self.buf[1] as u16)) >> 4_u16;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.buf[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/lib.rs:26:62
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut temp: u16 = ((self.buf[0] as u16) << 8_u16 | (self.buf[1] as u16)) >> 4_u16;
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.buf[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let celcius = temp as f32 / 16_f32;
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: try: `f32::from(temp)`
[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/lib.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut temp: u16 = ((self.buf[0] as u16) << 8_u16 | (self.buf[1] as u16)) >> 4_u16;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.buf[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/lib.rs:26:62
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut temp: u16 = ((self.buf[0] as u16) << 8_u16 | (self.buf[1] as u16)) >> 4_u16;
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.buf[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let celcius = temp as f32 / 16_f32;
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: try: `f32::from(temp)`
[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 9.56s
[INFO] running `"docker" "inspect" "e15fc6832cffb40b25ff34147ed63ac2586351aed810cd203fc1b6e329d0fb2f"`
[INFO] running `"docker" "rm" "-f" "e15fc6832cffb40b25ff34147ed63ac2586351aed810cd203fc1b6e329d0fb2f"`
[INFO] [stdout] e15fc6832cffb40b25ff34147ed63ac2586351aed810cd203fc1b6e329d0fb2f