[INFO] crate concurrent-kv 0.2.1 is already in cache
[INFO] extracting crate concurrent-kv 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/concurrent-kv/0.2.1
[INFO] extracting crate concurrent-kv 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/concurrent-kv/0.2.1
[INFO] validating manifest of concurrent-kv-0.2.1 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 concurrent-kv-0.2.1 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 concurrent-kv-0.2.1
[INFO] finished frobbing concurrent-kv-0.2.1
[INFO] frobbed toml for concurrent-kv-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/concurrent-kv/0.2.1/Cargo.toml
[INFO] started frobbing concurrent-kv-0.2.1
[INFO] finished frobbing concurrent-kv-0.2.1
[INFO] frobbed toml for concurrent-kv-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/concurrent-kv/0.2.1/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 concurrent-kv-0.2.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/concurrent-kv/0.2.1:/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 -Dclippy::into_iter_on_array" "-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] 2f09d80fb75cde675e4625881f6146fe39da6a3b6516511277042dda404022be
[INFO] running `"docker" "start" "-a" "2f09d80fb75cde675e4625881f6146fe39da6a3b6516511277042dda404022be"`
[INFO] [stderr]     Checking concurrent-kv v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:229:26
[INFO] [stderr]     |
[INFO] [stderr] 229 |         assert_eq!(val0, None.into());
[INFO] [stderr]     |                          ^^^^^^^^^^^ help: consider removing `.into()`: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:234:26
[INFO] [stderr]     |
[INFO] [stderr] 234 |         assert_eq!(val0, None.into());
[INFO] [stderr]     |                          ^^^^^^^^^^^ help: consider removing `.into()`: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "2f09d80fb75cde675e4625881f6146fe39da6a3b6516511277042dda404022be"`
[INFO] running `"docker" "rm" "-f" "2f09d80fb75cde675e4625881f6146fe39da6a3b6516511277042dda404022be"`
[INFO] [stdout] 2f09d80fb75cde675e4625881f6146fe39da6a3b6516511277042dda404022be