[INFO] crate peepable 0.1.1 is already in cache
[INFO] extracting crate peepable 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/peepable/0.1.1
[INFO] extracting crate peepable 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/peepable/0.1.1
[INFO] validating manifest of peepable-0.1.1 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 peepable-0.1.1 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 peepable-0.1.1
[INFO] finished frobbing peepable-0.1.1
[INFO] frobbed toml for peepable-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/peepable/0.1.1/Cargo.toml
[INFO] started frobbing peepable-0.1.1
[INFO] finished frobbing peepable-0.1.1
[INFO] frobbed toml for peepable-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/peepable/0.1.1/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 peepable-0.1.1 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-5/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/peepable/0.1.1:/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] e6215d5d08b42c89ce9dcf4b3da244ce60cf9ae80c5de90bde87236a0768d5cd
[INFO] running `"docker" "start" "-a" "e6215d5d08b42c89ce9dcf4b3da244ce60cf9ae80c5de90bde87236a0768d5cd"`
[INFO] [stderr]     Checking peepable v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             iter: iter,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             next: next,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `next`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             iter: iter,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             next: next,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `next`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: use as_ref() instead
[INFO] [stderr]    --> src/lib.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         match self.next {
[INFO] [stderr] 101 | |             Some(ref next) => Some(next),
[INFO] [stderr] 102 | |             None => None,
[INFO] [stderr] 103 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self.next.as_ref()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_as_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:149:34
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let iter = Peepable::new((0..4));
[INFO] [stderr]     |                                  ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:149:34
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let iter = Peepable::new((0..4));
[INFO] [stderr]     |                                  ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: use as_ref() instead
[INFO] [stderr]    --> src/lib.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         match self.next {
[INFO] [stderr] 101 | |             Some(ref next) => Some(next),
[INFO] [stderr] 102 | |             None => None,
[INFO] [stderr] 103 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self.next.as_ref()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_as_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]    --> src/lib.rs:151:39
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let sum: u8 = iter.filter(|x| x > &1).map(|x| x * x).sum();
[INFO] [stderr]     |                                       ^^^^--
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: use the right value directly: `1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "e6215d5d08b42c89ce9dcf4b3da244ce60cf9ae80c5de90bde87236a0768d5cd"`
[INFO] running `"docker" "rm" "-f" "e6215d5d08b42c89ce9dcf4b3da244ce60cf9ae80c5de90bde87236a0768d5cd"`
[INFO] [stdout] e6215d5d08b42c89ce9dcf4b3da244ce60cf9ae80c5de90bde87236a0768d5cd