[INFO] updating cached repository olipratt/projecteuler-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/olipratt/projecteuler-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/olipratt/projecteuler-rust" "work/ex/clippy-test-run/sources/stable/gh/olipratt/projecteuler-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/olipratt/projecteuler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/olipratt/projecteuler-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/olipratt/projecteuler-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/olipratt/projecteuler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1641324587a7a7340919ac1469f998de9213570b
[INFO] sha for GitHub repo olipratt/projecteuler-rust: 1641324587a7a7340919ac1469f998de9213570b
[INFO] validating manifest of olipratt/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 olipratt/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 olipratt/projecteuler-rust
[INFO] finished frobbing olipratt/projecteuler-rust
[INFO] frobbed toml for olipratt/projecteuler-rust written to work/ex/clippy-test-run/sources/stable/gh/olipratt/projecteuler-rust/Cargo.toml
[INFO] started frobbing olipratt/projecteuler-rust
[INFO] finished frobbing olipratt/projecteuler-rust
[INFO] frobbed toml for olipratt/projecteuler-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/olipratt/projecteuler-rust/Cargo.toml
[INFO] crate olipratt/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 olipratt/projecteuler-rust 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-6/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/olipratt/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 -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] 1c22e3d4f69afc75fd13cc947e1b6bf8b23047c1ae27bd79f0f2c8c08f016eb1
[INFO] running `"docker" "start" "-a" "1c22e3d4f69afc75fd13cc947e1b6bf8b23047c1ae27bd79f0f2c8c08f016eb1"`
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     result
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let result = mults_of_3 + mults_of_5 - mults_of_15;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     result
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let result = mults_of_3 + mults_of_5 - mults_of_15;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |         assert_eq!(233168, sum_of_mults_of_3_and_5_lt_n(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/lib.rs:195:20
[INFO] [stderr]     |
[INFO] [stderr] 195 |         assert_eq!(4613732, sum_even_fib_terms_less_than(4000001));
[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/lib.rs:195:58
[INFO] [stderr]     |
[INFO] [stderr] 195 |         assert_eq!(4613732, sum_even_fib_terms_less_than(4000001));
[INFO] [stderr]     |                                                          ^^^^^^^ help: consider: `4_000_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/lib.rs:200:47
[INFO] [stderr]     |
[INFO] [stderr] 200 |         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/lib.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |             906609,
[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/lib.rs:213:20
[INFO] [stderr]     |
[INFO] [stderr] 213 |         assert_eq!(232792560, evenly_divisible_by_nums_up_to_n(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/lib.rs:228:20
[INFO] [stderr]     |
[INFO] [stderr] 228 |         assert_eq!(871198282, score_names(names));
[INFO] [stderr]     |                    ^^^^^^^^^ help: consider: `871_198_282`
[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/lib.rs:234:20
[INFO] [stderr]     |
[INFO] [stderr] 234 |         assert_eq!(125874, multiples_contain_same_digits(2));
[INFO] [stderr]     |                    ^^^^^^ help: consider: `125_874`
[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/lib.rs:235:20
[INFO] [stderr]     |
[INFO] [stderr] 235 |         assert_eq!(142857, multiples_contain_same_digits(3));
[INFO] [stderr]     |                    ^^^^^^ help: consider: `142_857`
[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/lib.rs:236:20
[INFO] [stderr]     |
[INFO] [stderr] 236 |         assert_eq!(142857, multiples_contain_same_digits(4));
[INFO] [stderr]     |                    ^^^^^^ help: consider: `142_857`
[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/lib.rs:237:20
[INFO] [stderr]     |
[INFO] [stderr] 237 |         assert_eq!(142857, multiples_contain_same_digits(5));
[INFO] [stderr]     |                    ^^^^^^ help: consider: `142_857`
[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/lib.rs:238:20
[INFO] [stderr]     |
[INFO] [stderr] 238 |         assert_eq!(142857, multiples_contain_same_digits(6));
[INFO] [stderr]     |                    ^^^^^^ help: consider: `142_857`
[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/lib.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         num = num / 10;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: replace it with: `num /= 10`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |         for multiple in 2..(num_multiples + 1) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=num_multiples`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:150:14
[INFO] [stderr]     |
[INFO] [stderr] 150 |     for x in 2..(n + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^ help: use: `2..=n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |             name_total += (letter - b'A' + 1) as u64;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(letter - b'A' + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         num = num / 10;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: replace it with: `num /= 10`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |         for multiple in 2..(num_multiples + 1) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=num_multiples`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:150:14
[INFO] [stderr]     |
[INFO] [stderr] 150 |     for x in 2..(n + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^ help: use: `2..=n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |             name_total += (letter - b'A' + 1) as u64;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(letter - b'A' + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "1c22e3d4f69afc75fd13cc947e1b6bf8b23047c1ae27bd79f0f2c8c08f016eb1"`
[INFO] running `"docker" "rm" "-f" "1c22e3d4f69afc75fd13cc947e1b6bf8b23047c1ae27bd79f0f2c8c08f016eb1"`
[INFO] [stdout] 1c22e3d4f69afc75fd13cc947e1b6bf8b23047c1ae27bd79f0f2c8c08f016eb1