[INFO] updating cached repository FreeMasen/semi_finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FreeMasen/semi_finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/semi_finder" "work/ex/clippy-test-run/sources/stable/gh/FreeMasen/semi_finder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/FreeMasen/semi_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/semi_finder" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FreeMasen/semi_finder"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FreeMasen/semi_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cced23980e6d1ff790358a8851a6f9c099951e79
[INFO] sha for GitHub repo FreeMasen/semi_finder: cced23980e6d1ff790358a8851a6f9c099951e79
[INFO] validating manifest of FreeMasen/semi_finder 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 FreeMasen/semi_finder 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 FreeMasen/semi_finder
[INFO] finished frobbing FreeMasen/semi_finder
[INFO] frobbed toml for FreeMasen/semi_finder written to work/ex/clippy-test-run/sources/stable/gh/FreeMasen/semi_finder/Cargo.toml
[INFO] started frobbing FreeMasen/semi_finder
[INFO] finished frobbing FreeMasen/semi_finder
[INFO] frobbed toml for FreeMasen/semi_finder written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FreeMasen/semi_finder/Cargo.toml
[INFO] crate FreeMasen/semi_finder 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 FreeMasen/semi_finder against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/FreeMasen/semi_finder:/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] 2da479a398f8281a23efa9c41124dfe9d46375b6ae878d193e88eff6dd55ffd2
[INFO] running `"docker" "start" "-a" "2da479a398f8281a23efa9c41124dfe9d46375b6ae878d193e88eff6dd55ffd2"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Checking combine v3.5.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.4
[INFO] [stderr]     Checking ress v0.4.1
[INFO] [stderr]     Checking semi_finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     if ret.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!ret.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if  semis.len() > 0 {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!semis.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     if ret.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!ret.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if  semis.len() > 0 {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!semis.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.46s
[INFO] running `"docker" "inspect" "2da479a398f8281a23efa9c41124dfe9d46375b6ae878d193e88eff6dd55ffd2"`
[INFO] running `"docker" "rm" "-f" "2da479a398f8281a23efa9c41124dfe9d46375b6ae878d193e88eff6dd55ffd2"`
[INFO] [stdout] 2da479a398f8281a23efa9c41124dfe9d46375b6ae878d193e88eff6dd55ffd2