[INFO] updating cached repository fouxarn/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fouxarn/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fouxarn/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable/gh/fouxarn/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/fouxarn/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fouxarn/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fouxarn/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fouxarn/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba49d5a138224d319cbef12f395ac1505288893d
[INFO] sha for GitHub repo fouxarn/advent-of-code-2018: ba49d5a138224d319cbef12f395ac1505288893d
[INFO] validating manifest of fouxarn/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 fouxarn/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 fouxarn/advent-of-code-2018
[INFO] finished frobbing fouxarn/advent-of-code-2018
[INFO] frobbed toml for fouxarn/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable/gh/fouxarn/advent-of-code-2018/Cargo.toml
[INFO] started frobbing fouxarn/advent-of-code-2018
[INFO] finished frobbing fouxarn/advent-of-code-2018
[INFO] frobbed toml for fouxarn/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fouxarn/advent-of-code-2018/Cargo.toml
[INFO] crate fouxarn/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 fouxarn/advent-of-code-2018 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-4/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/gh/fouxarn/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 -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] 5a1fd5e9b30c9c2ad36450b1317204817a7687b9841676f61060ed8f0c4f881c
[INFO] running `"docker" "start" "-a" "5a1fd5e9b30c9c2ad36450b1317204817a7687b9841676f61060ed8f0c4f881c"`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day01.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |   return result;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day01.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |   return 0;
[INFO] [stderr]    |   ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/day02.rs:111:3
[INFO] [stderr]     |
[INFO] [stderr] 111 |   return result;
[INFO] [stderr]     |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day01.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |   return result;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day01.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |   return 0;
[INFO] [stderr]    |   ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/day02.rs:111:3
[INFO] [stderr]     |
[INFO] [stderr] 111 |   return result;
[INFO] [stderr]     |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/day01.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 | /   loop {
[INFO] [stderr] 26 | |     match rows.next() {
[INFO] [stderr] 27 | |       Some(x) => {
[INFO] [stderr] 28 | |         result += x.parse::<i32>().unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | |   }
[INFO] [stderr]    | |___^ help: try: `while let Some(x) = rows.next() { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/day01.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 | /   loop {
[INFO] [stderr] 50 | |     match rows.next() {
[INFO] [stderr] 51 | |       Some(x) => {
[INFO] [stderr] 52 | |         result += x.parse::<i32>().unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |     }
[INFO] [stderr] 59 | |   }
[INFO] [stderr]    | |___^ help: try: `while let Some(x) = rows.next() { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let yo: Vec<&str> = row.split(" ").collect();
[INFO] [stderr]    |                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |       .split("x")
[INFO] [stderr]    |              ^^^ help: try using a char instead: `'x'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:65:35
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let yo: Vec<&str> = row.split(" ").collect();
[INFO] [stderr]    |                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |       .split("x")
[INFO] [stderr]    |              ^^^ help: try using a char instead: `'x'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:86:35
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let yo: Vec<&str> = row.split(" ").collect();
[INFO] [stderr]    |                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |       .split("x")
[INFO] [stderr]    |              ^^^ help: try using a char instead: `'x'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/day03.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     if found == true {
[INFO] [stderr]     |        ^^^^^^^^^^^^^ help: try simplifying it as shown: `found`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/day01.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 | /   loop {
[INFO] [stderr] 26 | |     match rows.next() {
[INFO] [stderr] 27 | |       Some(x) => {
[INFO] [stderr] 28 | |         result += x.parse::<i32>().unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | |   }
[INFO] [stderr]    | |___^ help: try: `while let Some(x) = rows.next() { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]   --> src/day01.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 | /   loop {
[INFO] [stderr] 50 | |     match rows.next() {
[INFO] [stderr] 51 | |       Some(x) => {
[INFO] [stderr] 52 | |         result += x.parse::<i32>().unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |     }
[INFO] [stderr] 59 | |   }
[INFO] [stderr]    | |___^ help: try: `while let Some(x) = rows.next() { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let yo: Vec<&str> = row.split(" ").collect();
[INFO] [stderr]    |                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |       .split("x")
[INFO] [stderr]    |              ^^^ help: try using a char instead: `'x'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:65:35
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let yo: Vec<&str> = row.split(" ").collect();
[INFO] [stderr]    |                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |       .split("x")
[INFO] [stderr]    |              ^^^ help: try using a char instead: `'x'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:86:35
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let yo: Vec<&str> = row.split(" ").collect();
[INFO] [stderr]    |                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day03.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |       .split("x")
[INFO] [stderr]    |              ^^^ help: try using a char instead: `'x'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/day03.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     if found == true {
[INFO] [stderr]     |        ^^^^^^^^^^^^^ help: try simplifying it as shown: `found`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "5a1fd5e9b30c9c2ad36450b1317204817a7687b9841676f61060ed8f0c4f881c"`
[INFO] running `"docker" "rm" "-f" "5a1fd5e9b30c9c2ad36450b1317204817a7687b9841676f61060ed8f0c4f881c"`
[INFO] [stdout] 5a1fd5e9b30c9c2ad36450b1317204817a7687b9841676f61060ed8f0c4f881c