[INFO] updating cached repository inferiorhumanorgans/ftdi-util
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/inferiorhumanorgans/ftdi-util
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/inferiorhumanorgans/ftdi-util" "work/ex/clippy-test-run/sources/stable/gh/inferiorhumanorgans/ftdi-util"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/inferiorhumanorgans/ftdi-util'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/inferiorhumanorgans/ftdi-util" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/inferiorhumanorgans/ftdi-util"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/inferiorhumanorgans/ftdi-util'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56a3f6ad8b929ba103864244170b5f498d4de222
[INFO] sha for GitHub repo inferiorhumanorgans/ftdi-util: 56a3f6ad8b929ba103864244170b5f498d4de222
[INFO] validating manifest of inferiorhumanorgans/ftdi-util 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 inferiorhumanorgans/ftdi-util 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 inferiorhumanorgans/ftdi-util
[INFO] finished frobbing inferiorhumanorgans/ftdi-util
[INFO] frobbed toml for inferiorhumanorgans/ftdi-util written to work/ex/clippy-test-run/sources/stable/gh/inferiorhumanorgans/ftdi-util/Cargo.toml
[INFO] started frobbing inferiorhumanorgans/ftdi-util
[INFO] finished frobbing inferiorhumanorgans/ftdi-util
[INFO] frobbed toml for inferiorhumanorgans/ftdi-util written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/inferiorhumanorgans/ftdi-util/Cargo.toml
[INFO] crate inferiorhumanorgans/ftdi-util 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 inferiorhumanorgans/ftdi-util against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/inferiorhumanorgans/ftdi-util:/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] 597d1948d68006452b13740a91cc524e7e5d1eec1657d776ad66f0835ebfc5e3
[INFO] running `"docker" "start" "-a" "597d1948d68006452b13740a91cc524e7e5d1eec1657d776ad66f0835ebfc5e3"`
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking ftdi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: The function/method `write_control` doesn't need a mutable reference
[INFO] [stderr]   --> src/main.rs:42:75
[INFO] [stderr]    |
[INFO] [stderr] 42 |     device.write_control(request, FTDI_SET_LATENCY, latency, port_number, &mut response, Duration::from_secs(1)).expect("Failed to query adapter");
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:105:40
[INFO] [stderr]     |
[INFO] [stderr] 105 |             set_latency(&device, port, latency as u16)
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^ help: try: `u16::from(latency)`
[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: The function/method `write_control` doesn't need a mutable reference
[INFO] [stderr]   --> src/main.rs:42:75
[INFO] [stderr]    |
[INFO] [stderr] 42 |     device.write_control(request, FTDI_SET_LATENCY, latency, port_number, &mut response, Duration::from_secs(1)).expect("Failed to query adapter");
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:105:40
[INFO] [stderr]     |
[INFO] [stderr] 105 |             set_latency(&device, port, latency as u16)
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^ help: try: `u16::from(latency)`
[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 3.74s
[INFO] running `"docker" "inspect" "597d1948d68006452b13740a91cc524e7e5d1eec1657d776ad66f0835ebfc5e3"`
[INFO] running `"docker" "rm" "-f" "597d1948d68006452b13740a91cc524e7e5d1eec1657d776ad66f0835ebfc5e3"`
[INFO] [stdout] 597d1948d68006452b13740a91cc524e7e5d1eec1657d776ad66f0835ebfc5e3