[INFO] updating cached repository selfup/rust_struct
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/selfup/rust_struct
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/selfup/rust_struct" "work/ex/clippy-test-run/sources/stable/gh/selfup/rust_struct"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/selfup/rust_struct'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/selfup/rust_struct" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/selfup/rust_struct"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/selfup/rust_struct'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74bc84cda85bb020d3f6af4a61c734b61681b472
[INFO] sha for GitHub repo selfup/rust_struct: 74bc84cda85bb020d3f6af4a61c734b61681b472
[INFO] validating manifest of selfup/rust_struct 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 selfup/rust_struct 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 selfup/rust_struct
[INFO] finished frobbing selfup/rust_struct
[INFO] frobbed toml for selfup/rust_struct written to work/ex/clippy-test-run/sources/stable/gh/selfup/rust_struct/Cargo.toml
[INFO] started frobbing selfup/rust_struct
[INFO] finished frobbing selfup/rust_struct
[INFO] frobbed toml for selfup/rust_struct written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/selfup/rust_struct/Cargo.toml
[INFO] crate selfup/rust_struct 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 selfup/rust_struct against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/selfup/rust_struct:/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] ca17c5f327bff361a5d68a1ab1b64cd27447eea945dd26f3244f7245ccb7c3cb
[INFO] running `"docker" "start" "-a" "ca17c5f327bff361a5d68a1ab1b64cd27447eea945dd26f3244f7245ccb7c3cb"`
[INFO] [stderr]     Checking rust_struct v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/main.rs:118:29
[INFO] [stderr]     |
[INFO] [stderr] 118 |     let sum = all_pos.iter().fold(0, |acc, &x| acc + x);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "ca17c5f327bff361a5d68a1ab1b64cd27447eea945dd26f3244f7245ccb7c3cb"`
[INFO] running `"docker" "rm" "-f" "ca17c5f327bff361a5d68a1ab1b64cd27447eea945dd26f3244f7245ccb7c3cb"`
[INFO] [stdout] ca17c5f327bff361a5d68a1ab1b64cd27447eea945dd26f3244f7245ccb7c3cb