[INFO] updating cached repository paritytech/environmental
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paritytech/environmental
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paritytech/environmental" "work/ex/clippy-test-run/sources/stable/gh/paritytech/environmental"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/paritytech/environmental'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paritytech/environmental" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paritytech/environmental"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paritytech/environmental'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c31799ea0a672dda7e859f664a4308b1ec24d12e
[INFO] sha for GitHub repo paritytech/environmental: c31799ea0a672dda7e859f664a4308b1ec24d12e
[INFO] validating manifest of paritytech/environmental 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 paritytech/environmental 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 paritytech/environmental
[INFO] finished frobbing paritytech/environmental
[INFO] frobbed toml for paritytech/environmental written to work/ex/clippy-test-run/sources/stable/gh/paritytech/environmental/Cargo.toml
[INFO] started frobbing paritytech/environmental
[INFO] finished frobbing paritytech/environmental
[INFO] frobbed toml for paritytech/environmental written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paritytech/environmental/Cargo.toml
[INFO] crate paritytech/environmental 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 paritytech/environmental against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/paritytech/environmental:/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] e811b64fc03fbe6d46866325adf6fbac6e0a9d2bd49fb1d2faa7336dc3cab9c6
[INFO] running `"docker" "start" "-a" "e811b64fc03fbe6d46866325adf6fbac6e0a9d2bd49fb1d2faa7336dc3cab9c6"`
[INFO] [stderr]     Checking environmental v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/lib.rs:344:16
[INFO] [stderr]     |
[INFO] [stderr] 344 |                 self.iter().fold(0, |a, c| a + c)
[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] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/lib.rs:368:16
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 self.iter().fold(1, |a, c| a * c) + P::plus42()
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `.product()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:234:6
[INFO] [stderr]     |
[INFO] [stderr] 234 |                     $crate::imp::transmute::<&mut $t<H>, &mut ($t<$concretetype> + 'static)>(protected)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(protected as *mut dyn tests::use_generic_trait::Multiplier<H> as *mut (dyn tests::use_generic_trait::Multiplier<tests::use_generic_trait::ConcretePlus> + 'static))`
[INFO] [stderr] ...
[INFO] [stderr] 379 |         environmental!(foo<Plus>: trait Multiplier<ConcretePlus>);
[INFO] [stderr]     |         ---------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "e811b64fc03fbe6d46866325adf6fbac6e0a9d2bd49fb1d2faa7336dc3cab9c6"`
[INFO] running `"docker" "rm" "-f" "e811b64fc03fbe6d46866325adf6fbac6e0a9d2bd49fb1d2faa7336dc3cab9c6"`
[INFO] [stdout] e811b64fc03fbe6d46866325adf6fbac6e0a9d2bd49fb1d2faa7336dc3cab9c6