[INFO] updating cached repository Alexendoo/density
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Alexendoo/density
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Alexendoo/density" "work/ex/clippy-test-run/sources/stable/gh/Alexendoo/density"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Alexendoo/density'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Alexendoo/density" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Alexendoo/density"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Alexendoo/density'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 349fd5a11964670b8f1953c9333665fcb1b258cc
[INFO] sha for GitHub repo Alexendoo/density: 349fd5a11964670b8f1953c9333665fcb1b258cc
[INFO] validating manifest of Alexendoo/density 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 Alexendoo/density 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 Alexendoo/density
[INFO] finished frobbing Alexendoo/density
[INFO] frobbed toml for Alexendoo/density written to work/ex/clippy-test-run/sources/stable/gh/Alexendoo/density/Cargo.toml
[INFO] started frobbing Alexendoo/density
[INFO] finished frobbing Alexendoo/density
[INFO] frobbed toml for Alexendoo/density written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Alexendoo/density/Cargo.toml
[INFO] crate Alexendoo/density 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 Alexendoo/density 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/Alexendoo/density:/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] 12505ba4ca213eef5abf2e2d512dea46488c62fe3426be3adbbce734a29bb1a4
[INFO] running `"docker" "start" "-a" "12505ba4ca213eef5abf2e2d512dea46488c62fe3426be3adbbce734a29bb1a4"`
[INFO] [stderr]     Checking density v0.5.2 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |     result: &Vec<u64>,
[INFO] [stderr]    |             ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn mean(sizes: &Vec<u64>) -> u64 {
[INFO] [stderr]     |                ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |     result: &Vec<u64>,
[INFO] [stderr]    |             ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn mean(sizes: &Vec<u64>) -> u64 {
[INFO] [stderr]     |                ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "12505ba4ca213eef5abf2e2d512dea46488c62fe3426be3adbbce734a29bb1a4"`
[INFO] running `"docker" "rm" "-f" "12505ba4ca213eef5abf2e2d512dea46488c62fe3426be3adbbce734a29bb1a4"`
[INFO] [stdout] 12505ba4ca213eef5abf2e2d512dea46488c62fe3426be3adbbce734a29bb1a4