[INFO] updating cached repository corndog/pe1_10
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/corndog/pe1_10
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/corndog/pe1_10" "work/ex/clippy-test-run/sources/stable/gh/corndog/pe1_10"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/corndog/pe1_10'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/corndog/pe1_10" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/corndog/pe1_10"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/corndog/pe1_10'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9581240561301818265e516bcef790f69920ebd6
[INFO] sha for GitHub repo corndog/pe1_10: 9581240561301818265e516bcef790f69920ebd6
[INFO] validating manifest of corndog/pe1_10 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 corndog/pe1_10 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 corndog/pe1_10
[INFO] finished frobbing corndog/pe1_10
[INFO] frobbed toml for corndog/pe1_10 written to work/ex/clippy-test-run/sources/stable/gh/corndog/pe1_10/Cargo.toml
[INFO] started frobbing corndog/pe1_10
[INFO] finished frobbing corndog/pe1_10
[INFO] frobbed toml for corndog/pe1_10 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/corndog/pe1_10/Cargo.toml
[INFO] crate corndog/pe1_10 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 corndog/pe1_10 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-3/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/corndog/pe1_10:/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] d87b49eb6dff2095d5e1b977c6e22b51b207e09df3e0f6bc80225a429b722ae0
[INFO] running `"docker" "start" "-a" "d87b49eb6dff2095d5e1b977c6e22b51b207e09df3e0f6bc80225a429b722ae0"`
[INFO] [stderr]     Checking pe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 |     assert_eq!(pe1(), 233168);
[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/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     assert_eq!(pe2(4000000), 4613732);
[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/main.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 |     assert_eq!(pe2(4000000), 4613732);
[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/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     assert_eq!(pe4(), 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/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 |     assert_eq!(pe5(), 232792560);
[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/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     assert_eq!(pe6(), 25164150);
[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/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     assert_eq!(pe7(), 104743);
[INFO] [stderr]   |                       ^^^^^^ help: consider: `104_743`
[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/main.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assert_eq!(pe8(), 23514624000);
[INFO] [stderr]   |                       ^^^^^^^^^^^ help: consider: `23_514_624_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/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     assert_eq!(pe9(), 31875000);
[INFO] [stderr]    |                       ^^^^^^^^ help: consider: `31_875_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/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(pe10(), 142913828922); 
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: consider: `142_913_828_922`
[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/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut divide_me:u64 = 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/main.rs:209:15
[INFO] [stderr]     |
[INFO] [stderr] 209 |     primes_below(2000000).iter().sum()
[INFO] [stderr]     |                  ^^^^^^^ help: consider: `2_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/main.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 |     assert_eq!(pe1(), 233168);
[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/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     assert_eq!(pe2(4000000), 4613732);
[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/main.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 |     assert_eq!(pe2(4000000), 4613732);
[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/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     assert_eq!(pe4(), 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/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 |     assert_eq!(pe5(), 232792560);
[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/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     assert_eq!(pe6(), 25164150);
[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/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     assert_eq!(pe7(), 104743);
[INFO] [stderr]   |                       ^^^^^^ help: consider: `104_743`
[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/main.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assert_eq!(pe8(), 23514624000);
[INFO] [stderr]   |                       ^^^^^^^^^^^ help: consider: `23_514_624_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/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     assert_eq!(pe9(), 31875000);
[INFO] [stderr]    |                       ^^^^^^^^ help: consider: `31_875_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/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(pe10(), 142913828922); 
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: consider: `142_913_828_922`
[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/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut divide_me:u64 = 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/main.rs:209:15
[INFO] [stderr]     |
[INFO] [stderr] 209 |     primes_below(2000000).iter().sum()
[INFO] [stderr]     |                  ^^^^^^^ help: consider: `2_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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |             divide_me = divide_me / next_prime;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `divide_me /= next_prime`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn has_divisor(x: u64, xs: &Vec<u64>) -> bool {
[INFO] [stderr]    |                            ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn divisible_by_all(x: u64, xs: &Vec<u64>) -> bool {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 prod = prod / nums[i] as u64;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prod /= nums[i] as u64`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:177:19
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 prod = prod / nums[i] as u64;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: try: `u64::from(nums[i])`
[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/main.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 |             prod = prod * next as u64;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prod *= next as u64`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |             prod = prod * next as u64;
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: try: `u64::from(next)`
[INFO] [stderr]     |
[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/main.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |             divide_me = divide_me / next_prime;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `divide_me /= next_prime`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn has_divisor(x: u64, xs: &Vec<u64>) -> bool {
[INFO] [stderr]    |                            ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn divisible_by_all(x: u64, xs: &Vec<u64>) -> bool {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: change this to: `&[u64]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 prod = prod / nums[i] as u64;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prod /= nums[i] as u64`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:177:19
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 prod = prod / nums[i] as u64;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: try: `u64::from(nums[i])`
[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/main.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 |             prod = prod * next as u64;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `prod *= next as u64`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |             prod = prod * next as u64;
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: try: `u64::from(next)`
[INFO] [stderr]     |
[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 1.17s
[INFO] running `"docker" "inspect" "d87b49eb6dff2095d5e1b977c6e22b51b207e09df3e0f6bc80225a429b722ae0"`
[INFO] running `"docker" "rm" "-f" "d87b49eb6dff2095d5e1b977c6e22b51b207e09df3e0f6bc80225a429b722ae0"`
[INFO] [stdout] d87b49eb6dff2095d5e1b977c6e22b51b207e09df3e0f6bc80225a429b722ae0