[INFO] updating cached repository viklund/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/viklund/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/viklund/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable/gh/viklund/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/viklund/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/viklund/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/viklund/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/viklund/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb44dbb57025bf7ce157deba2baddcd989e296b5
[INFO] sha for GitHub repo viklund/advent-of-code-2018: fb44dbb57025bf7ce157deba2baddcd989e296b5
[INFO] validating manifest of viklund/advent-of-code-2018 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 viklund/advent-of-code-2018 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 viklund/advent-of-code-2018
[INFO] finished frobbing viklund/advent-of-code-2018
[INFO] frobbed toml for viklund/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable/gh/viklund/advent-of-code-2018/Cargo.toml
[INFO] started frobbing viklund/advent-of-code-2018
[INFO] finished frobbing viklund/advent-of-code-2018
[INFO] frobbed toml for viklund/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/viklund/advent-of-code-2018/Cargo.toml
[INFO] crate viklund/advent-of-code-2018 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 viklund/advent-of-code-2018 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/viklund/advent-of-code-2018:/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] 427dcf815e9d617b79f83fd0fff126581f56b25d7c0fc94bf16c77e97f10b338
[INFO] running `"docker" "start" "-a" "427dcf815e9d617b79f83fd0fff126581f56b25d7c0fc94bf16c77e97f10b338"`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-2.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let w = i32::from_str_radix(&cap[4], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-2.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let h = i32::from_str_radix(&cap[5], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-2.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let h  = patch[4];
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-1.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let w = i32::from_str_radix(&cap[3], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-1.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let h = i32::from_str_radix(&cap[4], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `lnum` is used as a loop counter. Consider using `for (lnum, item) in reader.lines().enumerate()` or similar iterators
[INFO] [stderr]   --> src/bin/02-2.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |     'line: for line in reader.lines() {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/bin/01-2.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |             seen.insert(n.clone());
[INFO] [stderr]    |                         ^^^^^^^^^ help: try removing the `clone` call: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-2.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let w = i32::from_str_radix(&cap[4], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-2.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let h = i32::from_str_radix(&cap[5], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-2.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let h  = patch[4];
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/bin/03-2.rs:34:39
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let row = cloth.entry(ii).or_insert(HashMap::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/bin/03-2.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let row = cloth.entry(ii).or_insert(HashMap::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/bin/03-1.rs:29:39
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let row = cloth.entry(ii).or_insert(HashMap::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/bin/03-1.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |             if v2 > &1 {
[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] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-1.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let w = i32::from_str_radix(&cap[3], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/bin/03-1.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let h = i32::from_str_radix(&cap[4], 10).unwrap();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/bin/01-2.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |             seen.insert(n.clone());
[INFO] [stderr]    |                         ^^^^^^^^^ help: try removing the `clone` call: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/bin/03-2.rs:34:39
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let row = cloth.entry(ii).or_insert(HashMap::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/bin/03-2.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let row = cloth.entry(ii).or_insert(HashMap::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `lnum` is used as a loop counter. Consider using `for (lnum, item) in reader.lines().enumerate()` or similar iterators
[INFO] [stderr]   --> src/bin/02-2.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |     'line: for line in reader.lines() {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/bin/03-1.rs:29:39
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let row = cloth.entry(ii).or_insert(HashMap::new());
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(HashMap::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/bin/03-1.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |             if v2 > &1 {
[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 1.94s
[INFO] running `"docker" "inspect" "427dcf815e9d617b79f83fd0fff126581f56b25d7c0fc94bf16c77e97f10b338"`
[INFO] running `"docker" "rm" "-f" "427dcf815e9d617b79f83fd0fff126581f56b25d7c0fc94bf16c77e97f10b338"`
[INFO] [stdout] 427dcf815e9d617b79f83fd0fff126581f56b25d7c0fc94bf16c77e97f10b338