[INFO] updating cached repository davidjimichael/morse-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidjimichael/morse-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidjimichael/morse-rs" "work/ex/clippy-test-run/sources/stable/gh/davidjimichael/morse-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/davidjimichael/morse-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidjimichael/morse-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/davidjimichael/morse-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/davidjimichael/morse-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31c3a88abaedeb40be27fcff701cea3b3ca3f53a
[INFO] sha for GitHub repo davidjimichael/morse-rs: 31c3a88abaedeb40be27fcff701cea3b3ca3f53a
[INFO] validating manifest of davidjimichael/morse-rs 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 davidjimichael/morse-rs 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 davidjimichael/morse-rs
[INFO] finished frobbing davidjimichael/morse-rs
[INFO] frobbed toml for davidjimichael/morse-rs written to work/ex/clippy-test-run/sources/stable/gh/davidjimichael/morse-rs/Cargo.toml
[INFO] started frobbing davidjimichael/morse-rs
[INFO] finished frobbing davidjimichael/morse-rs
[INFO] frobbed toml for davidjimichael/morse-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/davidjimichael/morse-rs/Cargo.toml
[INFO] crate davidjimichael/morse-rs 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 davidjimichael/morse-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/davidjimichael/morse-rs:/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] c9da67f3bff36d96aa8a25e86cfa571ede415da1b9d69f5bc7e98d8e7467fa85
[INFO] running `"docker" "start" "-a" "c9da67f3bff36d96aa8a25e86cfa571ede415da1b9d69f5bc7e98d8e7467fa85"`
[INFO] [stderr]     Checking morse-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut _letter = letter.clone();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: try removing the `clone` call: `letter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut _letter = letter.clone();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: try removing the `clone` call: `letter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "c9da67f3bff36d96aa8a25e86cfa571ede415da1b9d69f5bc7e98d8e7467fa85"`
[INFO] running `"docker" "rm" "-f" "c9da67f3bff36d96aa8a25e86cfa571ede415da1b9d69f5bc7e98d8e7467fa85"`
[INFO] [stdout] c9da67f3bff36d96aa8a25e86cfa571ede415da1b9d69f5bc7e98d8e7467fa85