[INFO] crate snet 0.2.0 is already in cache
[INFO] extracting crate snet 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/snet/0.2.0
[INFO] extracting crate snet 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/snet/0.2.0
[INFO] validating manifest of snet-0.2.0 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 snet-0.2.0 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 snet-0.2.0
[INFO] finished frobbing snet-0.2.0
[INFO] frobbed toml for snet-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/snet/0.2.0/Cargo.toml
[INFO] started frobbing snet-0.2.0
[INFO] finished frobbing snet-0.2.0
[INFO] frobbed toml for snet-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/snet/0.2.0/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 snet-0.2.0 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/reg/snet/0.2.0:/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] 0744dc35398b95d84466076715da08e083d3b2f99a87ba0dd16329a98898a899
[INFO] running `"docker" "start" "-a" "0744dc35398b95d84466076715da08e083d3b2f99a87ba0dd16329a98898a899"`
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]     Checking serialport v3.2.0
[INFO] [stderr]     Checking bus v2.0.1
[INFO] [stderr]     Checking snet v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:113:6
[INFO] [stderr]     |
[INFO] [stderr] 113 |      matches
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/main.rs:85:20
[INFO] [stderr]     |
[INFO] [stderr] 85  |        let matches = App::new("snet")
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 86  | |         .version("1.0")
[INFO] [stderr] 87  | |         .author("Kristoffer Ödmark")
[INFO] [stderr] 88  | |         .about("Forward serialport bytes to tcp connections")
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | |                 )
[INFO] [stderr] 112 | |         .get_matches();
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:113:6
[INFO] [stderr]     |
[INFO] [stderr] 113 |      matches
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/main.rs:85:20
[INFO] [stderr]     |
[INFO] [stderr] 85  |        let matches = App::new("snet")
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 86  | |         .version("1.0")
[INFO] [stderr] 87  | |         .author("Kristoffer Ödmark")
[INFO] [stderr] 88  | |         .about("Forward serialport bytes to tcp connections")
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | |                 )
[INFO] [stderr] 112 | |         .get_matches();
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `"docker" "inspect" "0744dc35398b95d84466076715da08e083d3b2f99a87ba0dd16329a98898a899"`
[INFO] running `"docker" "rm" "-f" "0744dc35398b95d84466076715da08e083d3b2f99a87ba0dd16329a98898a899"`
[INFO] [stdout] 0744dc35398b95d84466076715da08e083d3b2f99a87ba0dd16329a98898a899