[INFO] updating cached repository Eirik0/project_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Eirik0/project_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Eirik0/project_euler" "work/ex/clippy-test-run/sources/stable/gh/Eirik0/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Eirik0/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Eirik0/project_euler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Eirik0/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Eirik0/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60b7c66194f456c1bc4819d5307ec1f174c591e8
[INFO] sha for GitHub repo Eirik0/project_euler: 60b7c66194f456c1bc4819d5307ec1f174c591e8
[INFO] validating manifest of Eirik0/project_euler 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 Eirik0/project_euler 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 Eirik0/project_euler
[INFO] finished frobbing Eirik0/project_euler
[INFO] frobbed toml for Eirik0/project_euler written to work/ex/clippy-test-run/sources/stable/gh/Eirik0/project_euler/Cargo.toml
[INFO] started frobbing Eirik0/project_euler
[INFO] finished frobbing Eirik0/project_euler
[INFO] frobbed toml for Eirik0/project_euler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Eirik0/project_euler/Cargo.toml
[INFO] crate Eirik0/project_euler 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 Eirik0/project_euler against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Eirik0/project_euler:/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] e754332cd473685f25912ab107ec52fdcc8516f7d29fb20db9a44e4da5110393
[INFO] running `"docker" "start" "-a" "e754332cd473685f25912ab107ec52fdcc8516f7d29fb20db9a44e4da5110393"`
[INFO] [stderr]     Checking project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/problems/problem002.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 |     while f_n2 < 4000000 {
[INFO] [stderr]   |                  ^^^^^^^ help: consider: `4_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]  --> src/problems/problem003.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let n: 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: this if statement can be collapsed
[INFO] [stderr]   --> src/problems/problem003.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | /         if n % d == 0 {
[INFO] [stderr] 8  | |             if prime_divisors.iter().all(|&p| (d % p != 0)) {
[INFO] [stderr] 9  | |                 prime_divisors.push(d);
[INFO] [stderr] 10 | |             }
[INFO] [stderr] 11 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 7  |         if n % d == 0 && prime_divisors.iter().all(|&p| (d % p != 0)) {
[INFO] [stderr] 8  |     prime_divisors.push(d);
[INFO] [stderr] 9  | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:8:63
[INFO] [stderr]   |
[INFO] [stderr] 8 |     println!("{:.3}ms", now.elapsed().subsec_nanos() as f64 / 1000000.0);
[INFO] [stderr]   |                                                               ^^^^^^^^^ help: consider: `1_000_000.0`
[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/problems/problem002.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 |     while f_n2 < 4000000 {
[INFO] [stderr]   |                  ^^^^^^^ help: consider: `4_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]  --> src/problems/problem003.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let n: 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: this if statement can be collapsed
[INFO] [stderr]   --> src/problems/problem003.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | /         if n % d == 0 {
[INFO] [stderr] 8  | |             if prime_divisors.iter().all(|&p| (d % p != 0)) {
[INFO] [stderr] 9  | |                 prime_divisors.push(d);
[INFO] [stderr] 10 | |             }
[INFO] [stderr] 11 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 7  |         if n % d == 0 && prime_divisors.iter().all(|&p| (d % p != 0)) {
[INFO] [stderr] 8  |     prime_divisors.push(d);
[INFO] [stderr] 9  | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/main.rs:8:63
[INFO] [stderr]   |
[INFO] [stderr] 8 |     println!("{:.3}ms", now.elapsed().subsec_nanos() as f64 / 1000000.0);
[INFO] [stderr]   |                                                               ^^^^^^^^^ help: consider: `1_000_000.0`
[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/problems/problem004.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         n = n / 10;
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `n /= 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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/problems/problem004.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if &digits[i] != &digits[num_digits - i - 1] {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if digits[i] != digits[num_digits - i - 1] {
[INFO] [stderr]    |            ^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/problems/problem005.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     for div_list in all_divisors.into_iter() {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/problems/problem005.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for divisor in div_list.into_iter() {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     println!("{:.3}ms", now.elapsed().subsec_nanos() as f64 / 1000000.0);
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(now.elapsed().subsec_nanos())`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `project_euler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/problems/problem004.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         n = n / 10;
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `n /= 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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/problems/problem004.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if &digits[i] != &digits[num_digits - i - 1] {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if digits[i] != digits[num_digits - i - 1] {
[INFO] [stderr]    |            ^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/problems/problem005.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     for div_list in all_divisors.into_iter() {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/problems/problem005.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for divisor in div_list.into_iter() {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     println!("{:.3}ms", now.elapsed().subsec_nanos() as f64 / 1000000.0);
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(now.elapsed().subsec_nanos())`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `project_euler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e754332cd473685f25912ab107ec52fdcc8516f7d29fb20db9a44e4da5110393"`
[INFO] running `"docker" "rm" "-f" "e754332cd473685f25912ab107ec52fdcc8516f7d29fb20db9a44e4da5110393"`
[INFO] [stdout] e754332cd473685f25912ab107ec52fdcc8516f7d29fb20db9a44e4da5110393