[INFO] updating cached repository MaciekTalaska/rust_performance_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MaciekTalaska/rust_performance_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MaciekTalaska/rust_performance_test" "work/ex/clippy-test-run/sources/stable/gh/MaciekTalaska/rust_performance_test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/MaciekTalaska/rust_performance_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MaciekTalaska/rust_performance_test" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/MaciekTalaska/rust_performance_test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/MaciekTalaska/rust_performance_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 878fb5b22325ea9f9a66d6bb4bb9977afb0a2ca3
[INFO] sha for GitHub repo MaciekTalaska/rust_performance_test: 878fb5b22325ea9f9a66d6bb4bb9977afb0a2ca3
[INFO] validating manifest of MaciekTalaska/rust_performance_test 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 MaciekTalaska/rust_performance_test 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 MaciekTalaska/rust_performance_test
[INFO] finished frobbing MaciekTalaska/rust_performance_test
[INFO] frobbed toml for MaciekTalaska/rust_performance_test written to work/ex/clippy-test-run/sources/stable/gh/MaciekTalaska/rust_performance_test/Cargo.toml
[INFO] started frobbing MaciekTalaska/rust_performance_test
[INFO] finished frobbing MaciekTalaska/rust_performance_test
[INFO] frobbed toml for MaciekTalaska/rust_performance_test written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/MaciekTalaska/rust_performance_test/Cargo.toml
[INFO] crate MaciekTalaska/rust_performance_test 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 MaciekTalaska/rust_performance_test 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-1/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/gh/MaciekTalaska/rust_performance_test:/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] a766353262154d1e09676754ee1d283263dc8153181b457547b103cb96217dcd
[INFO] running `"docker" "start" "-a" "a766353262154d1e09676754ee1d283263dc8153181b457547b103cb96217dcd"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rust_performance_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0602]: unknown lint: `clippy::into_iter_on_array`
[INFO] [stderr]   |
[INFO] [stderr]   = note: requested on the command line with `-D clippy::into_iter_on_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]  --> src/common.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     return 5;
[INFO] [stderr]   |     ^^^^^^^^^ help: remove `return` as shown: `5`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/computation.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |         0 => return new_current,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_current`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/computation.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |         0 => return new_current,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_current`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0602`.
[INFO] [stderr] error: Could not compile `semver-parser`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a766353262154d1e09676754ee1d283263dc8153181b457547b103cb96217dcd"`
[INFO] running `"docker" "rm" "-f" "a766353262154d1e09676754ee1d283263dc8153181b457547b103cb96217dcd"`
[INFO] [stdout] a766353262154d1e09676754ee1d283263dc8153181b457547b103cb96217dcd