[INFO] crate tokio-modbus 0.2.3 is already in cache
[INFO] extracting crate tokio-modbus 0.2.3 into work/ex/clippy-test-run/sources/stable/reg/tokio-modbus/0.2.3
[INFO] extracting crate tokio-modbus 0.2.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-modbus/0.2.3
[INFO] validating manifest of tokio-modbus-0.2.3 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 tokio-modbus-0.2.3 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 tokio-modbus-0.2.3
[INFO] finished frobbing tokio-modbus-0.2.3
[INFO] frobbed toml for tokio-modbus-0.2.3 written to work/ex/clippy-test-run/sources/stable/reg/tokio-modbus/0.2.3/Cargo.toml
[INFO] started frobbing tokio-modbus-0.2.3
[INFO] finished frobbing tokio-modbus-0.2.3
[INFO] frobbed toml for tokio-modbus-0.2.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-modbus/0.2.3/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 tokio-modbus-0.2.3 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/reg/tokio-modbus/0.2.3:/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] ac8482ba0c741ea5fc5ae880769ea8ab484a803aac877420db40ffbc5c805b12
[INFO] running `"docker" "start" "-a" "ac8482ba0c741ea5fc5ae880769ea8ab484a803aac877420db40ffbc5c805b12"`
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serialport v1.0.1
[INFO] [stderr]     Checking mio-serial v0.6.0
[INFO] [stderr]     Checking tokio-serial v0.6.0
[INFO] [stderr]     Checking tokio-modbus v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> examples/rtu-client.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 |         .expect(&format!("Unable to open serial device '{}'", tty_path));
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to open serial device '{}'", 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]     Finished dev [unoptimized + debuginfo] target(s) in 24.90s
[INFO] running `"docker" "inspect" "ac8482ba0c741ea5fc5ae880769ea8ab484a803aac877420db40ffbc5c805b12"`
[INFO] running `"docker" "rm" "-f" "ac8482ba0c741ea5fc5ae880769ea8ab484a803aac877420db40ffbc5c805b12"`
[INFO] [stdout] ac8482ba0c741ea5fc5ae880769ea8ab484a803aac877420db40ffbc5c805b12