[INFO] crate mio-serial 3.1.0 is already in cache
[INFO] extracting crate mio-serial 3.1.0 into work/ex/clippy-test-run/sources/stable/reg/mio-serial/3.1.0
[INFO] extracting crate mio-serial 3.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mio-serial/3.1.0
[INFO] validating manifest of mio-serial-3.1.0 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 mio-serial-3.1.0 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 mio-serial-3.1.0
[INFO] removed 0 missing examples
[INFO] finished frobbing mio-serial-3.1.0
[INFO] frobbed toml for mio-serial-3.1.0 written to work/ex/clippy-test-run/sources/stable/reg/mio-serial/3.1.0/Cargo.toml
[INFO] started frobbing mio-serial-3.1.0
[INFO] removed 0 missing examples
[INFO] finished frobbing mio-serial-3.1.0
[INFO] frobbed toml for mio-serial-3.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mio-serial/3.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 mio-serial-3.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/mio-serial/3.1.0:/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] fe7d9566f2321b33ed9c3be84c91c726806f02f9553b761afd65f3c3ac5b3b2e
[INFO] running `"docker" "start" "-a" "fe7d9566f2321b33ed9c3be84c91c726806f02f9553b761afd65f3c3ac5b3b2e"`
[INFO] [stderr]     Checking serialport v3.1.0
[INFO] [stderr]     Checking mio-serial v3.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> tests/test_unix.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |         .expect(&format!("Unable to open serial port: {}", &tty_path));
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to open serial port: {}", &tty_path))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> tests/test_unix.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ).expect(&format!("Unable to open serial port: {}", &tty_path));
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to open serial port: {}", &tty_path))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `"docker" "inspect" "fe7d9566f2321b33ed9c3be84c91c726806f02f9553b761afd65f3c3ac5b3b2e"`
[INFO] running `"docker" "rm" "-f" "fe7d9566f2321b33ed9c3be84c91c726806f02f9553b761afd65f3c3ac5b3b2e"`
[INFO] [stdout] fe7d9566f2321b33ed9c3be84c91c726806f02f9553b761afd65f3c3ac5b3b2e