[INFO] updating cached repository pcmind/projecteuler-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pcmind/projecteuler-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pcmind/projecteuler-rust" "work/ex/clippy-test-run/sources/stable/gh/pcmind/projecteuler-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pcmind/projecteuler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pcmind/projecteuler-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pcmind/projecteuler-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pcmind/projecteuler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b238f1a8ec84418bf8620218399b90858954326a
[INFO] sha for GitHub repo pcmind/projecteuler-rust: b238f1a8ec84418bf8620218399b90858954326a
[INFO] validating manifest of pcmind/projecteuler-rust 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 pcmind/projecteuler-rust 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 pcmind/projecteuler-rust
[INFO] finished frobbing pcmind/projecteuler-rust
[INFO] frobbed toml for pcmind/projecteuler-rust written to work/ex/clippy-test-run/sources/stable/gh/pcmind/projecteuler-rust/Cargo.toml
[INFO] started frobbing pcmind/projecteuler-rust
[INFO] finished frobbing pcmind/projecteuler-rust
[INFO] frobbed toml for pcmind/projecteuler-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pcmind/projecteuler-rust/Cargo.toml
[INFO] crate pcmind/projecteuler-rust 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 pcmind/projecteuler-rust 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/pcmind/projecteuler-rust:/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] c63f21533fcbd6686e0b898ded9761a91fd82973cdf859bb20d99ea506da21e8
[INFO] running `"docker" "start" "-a" "c63f21533fcbd6686e0b898ded9761a91fd82973cdf859bb20d99ea506da21e8"`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking projecteuler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem1.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |         assert_eq!(233168, iterative_sum_of_divisible_by_3_and_5(1000));
[INFO] [stderr]    |                    ^^^^^^ help: consider: `233_168`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem1.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |         assert_eq!(233168, optimal1_sum_of_divisible_by_3_and_5(1000));
[INFO] [stderr]    |                    ^^^^^^ help: consider: `233_168`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem2.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |         assert_eq!(4613732, sum_of_even_fibonacci_numbers(4000000))
[INFO] [stderr]    |                    ^^^^^^^ help: consider: `4_613_732`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem2.rs:34:59
[INFO] [stderr]    |
[INFO] [stderr] 34 |         assert_eq!(4613732, sum_of_even_fibonacci_numbers(4000000))
[INFO] [stderr]    |                                                           ^^^^^^^ help: consider: `4_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem3.rs:38:47
[INFO] [stderr]    |
[INFO] [stderr] 38 |         assert_eq!(6857, largest_prime_factor(600851475143));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: consider: `600_851_475_143`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/problem4.rs:185:20
[INFO] [stderr]     |
[INFO] [stderr] 185 |         assert_eq!(997799, first_palindrome_below(999*999));
[INFO] [stderr]     |                    ^^^^^^ help: consider: `997_799`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/problem4.rs:191:20
[INFO] [stderr]     |
[INFO] [stderr] 191 |         assert_eq!(906609, get_highest_palindrome_generated_by_two_number_of_n_digits(3).unwrap());
[INFO] [stderr]     |                    ^^^^^^ help: consider: `906_609`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/problem4.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         assert_eq!(906609, get_highest_palindrome_optimally_generated_by_two_number_of_3_digits().unwrap());
[INFO] [stderr]     |                    ^^^^^^ help: consider: `906_609`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/problem4.rs:234:41
[INFO] [stderr]     |
[INFO] [stderr] 234 |         assert_eq!(false, is_palindrome(998001));
[INFO] [stderr]     |                                         ^^^^^^ help: consider: `998_001`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem5.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |         assert_eq!(232792560, smallest_multiple(20));
[INFO] [stderr]    |                    ^^^^^^^^^ help: consider: `232_792_560`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem6.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         assert_eq!(25164150, sum_square_difference(100));
[INFO] [stderr]    |                    ^^^^^^^^ help: consider: `25_164_150`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/problem6.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |         assert_eq!(25164150, sum_square_difference_optimal(100));
[INFO] [stderr]    |                    ^^^^^^^^ help: consider: `25_164_150`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem3.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             value = value / p;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: replace it with: `value /= p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             b = b-1;
[INFO] [stderr]    |             ^^^^^^^ help: replace it with: `b -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         a = a-1;
[INFO] [stderr]    |         ^^^^^^^ help: replace it with: `a -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             b = b+1;
[INFO] [stderr]    |             ^^^^^^^ help: replace it with: `b += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         a = a+1;
[INFO] [stderr]    |         ^^^^^^^ help: replace it with: `a += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 self.min_half = self.min_half / 10;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.min_half /= 10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         v = v /10;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         v = v / 10;
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         i = (max / 10)*10 + i
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `i += (max / 10)*10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         n2 = n2/10;
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `n2 /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem3.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             value = value / p;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: replace it with: `value /= p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             b = b-1;
[INFO] [stderr]    |             ^^^^^^^ help: replace it with: `b -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         a = a-1;
[INFO] [stderr]    |         ^^^^^^^ help: replace it with: `a -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             b = b+1;
[INFO] [stderr]    |             ^^^^^^^ help: replace it with: `b += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         a = a+1;
[INFO] [stderr]    |         ^^^^^^^ help: replace it with: `a += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problem4.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 self.min_half = self.min_half / 10;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.min_half /= 10`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         v = v /10;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         v = v / 10;
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `v /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         i = (max / 10)*10 + i
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `i += (max / 10)*10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/problem4.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         n2 = n2/10;
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `n2 /= 10`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> benches/bench.rs:23:55
[INFO] [stderr]    |
[INFO] [stderr] 23 |     b.iter(||{problem2::sum_of_even_fibonacci_numbers(1000000)});
[INFO] [stderr]    |                                                       ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> benches/bench.rs:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 |     b.iter(||{problem3::largest_prime_factor(600851475143)});
[INFO] [stderr]    |                                              ^^^^^^^^^^^^ help: consider: `600_851_475_143`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `"docker" "inspect" "c63f21533fcbd6686e0b898ded9761a91fd82973cdf859bb20d99ea506da21e8"`
[INFO] running `"docker" "rm" "-f" "c63f21533fcbd6686e0b898ded9761a91fd82973cdf859bb20d99ea506da21e8"`
[INFO] [stdout] c63f21533fcbd6686e0b898ded9761a91fd82973cdf859bb20d99ea506da21e8