[INFO] crate clierr 0.7.0 is already in cache
[INFO] extracting crate clierr 0.7.0 into work/ex/clippy-test-run/sources/stable/reg/clierr/0.7.0
[INFO] extracting crate clierr 0.7.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/clierr/0.7.0
[INFO] validating manifest of clierr-0.7.0 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 clierr-0.7.0 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 clierr-0.7.0
[INFO] finished frobbing clierr-0.7.0
[INFO] frobbed toml for clierr-0.7.0 written to work/ex/clippy-test-run/sources/stable/reg/clierr/0.7.0/Cargo.toml
[INFO] started frobbing clierr-0.7.0
[INFO] finished frobbing clierr-0.7.0
[INFO] frobbed toml for clierr-0.7.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/clierr/0.7.0/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 clierr-0.7.0 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-3/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/clierr/0.7.0:/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 -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] 1757d7ff90b8059c44f2c25f4ac6de3cbcb45984b9f714d3ca72efae2823f2f9
[INFO] running `"docker" "start" "-a" "1757d7ff90b8059c44f2c25f4ac6de3cbcb45984b9f714d3ca72efae2823f2f9"`
[INFO] [stderr]     Checking clierr v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/lib.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |             let _ = ctry!(ok(), "oh no!");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/lib.rs:306:13
[INFO] [stderr]     |
[INFO] [stderr] 306 |             let _ = ctry!(err(), "help {}", "us");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "1757d7ff90b8059c44f2c25f4ac6de3cbcb45984b9f714d3ca72efae2823f2f9"`
[INFO] running `"docker" "rm" "-f" "1757d7ff90b8059c44f2c25f4ac6de3cbcb45984b9f714d3ca72efae2823f2f9"`
[INFO] [stdout] 1757d7ff90b8059c44f2c25f4ac6de3cbcb45984b9f714d3ca72efae2823f2f9