[INFO] updating cached repository sgbasaraner/yeelight-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sgbasaraner/yeelight-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sgbasaraner/yeelight-cli" "work/ex/clippy-test-run/sources/stable/gh/sgbasaraner/yeelight-cli"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sgbasaraner/yeelight-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sgbasaraner/yeelight-cli" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sgbasaraner/yeelight-cli"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sgbasaraner/yeelight-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b266f8b945be1f89a3b5f9f7c16a6d83102b9a57
[INFO] sha for GitHub repo sgbasaraner/yeelight-cli: b266f8b945be1f89a3b5f9f7c16a6d83102b9a57
[INFO] validating manifest of sgbasaraner/yeelight-cli 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 sgbasaraner/yeelight-cli 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 sgbasaraner/yeelight-cli
[INFO] finished frobbing sgbasaraner/yeelight-cli
[INFO] frobbed toml for sgbasaraner/yeelight-cli written to work/ex/clippy-test-run/sources/stable/gh/sgbasaraner/yeelight-cli/Cargo.toml
[INFO] started frobbing sgbasaraner/yeelight-cli
[INFO] finished frobbing sgbasaraner/yeelight-cli
[INFO] frobbed toml for sgbasaraner/yeelight-cli written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sgbasaraner/yeelight-cli/Cargo.toml
[INFO] crate sgbasaraner/yeelight-cli 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 sgbasaraner/yeelight-cli against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/sgbasaraner/yeelight-cli:/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] e4963473a4ab11d9212037e12ab593ec1d95bb1ca377cc463e1e3df8c5c956ad
[INFO] running `"docker" "start" "-a" "e4963473a4ab11d9212037e12ab593ec1d95bb1ca377cc463e1e3df8c5c956ad"`
[INFO] [stderr]     Checking encode_unicode v0.3.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking yee v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     return None;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     return None;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `int`
[INFO] [stderr]    --> src/main.rs:241:13
[INFO] [stderr]     |
[INFO] [stderr] 241 |         b: ((int >> 0) & 0xFF) as u8
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:256:24
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn operate_on_bulb(id: &u32, bulb: &Bulb, method: &str, params: &str) {
[INFO] [stderr]     |                        ^^^^ help: consider passing by value instead: `u32`
[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: the operation is ineffective. Consider reducing it to `int`
[INFO] [stderr]    --> src/main.rs:241:13
[INFO] [stderr]     |
[INFO] [stderr] 241 |         b: ((int >> 0) & 0xFF) as u8
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:256:24
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn operate_on_bulb(id: &u32, bulb: &Bulb, method: &str, params: &str) {
[INFO] [stderr]     |                        ^^^^ help: consider passing by value instead: `u32`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "e4963473a4ab11d9212037e12ab593ec1d95bb1ca377cc463e1e3df8c5c956ad"`
[INFO] running `"docker" "rm" "-f" "e4963473a4ab11d9212037e12ab593ec1d95bb1ca377cc463e1e3df8c5c956ad"`
[INFO] [stdout] e4963473a4ab11d9212037e12ab593ec1d95bb1ca377cc463e1e3df8c5c956ad