[INFO] updating cached repository pijamarda/project-euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pijamarda/project-euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pijamarda/project-euler" "work/ex/clippy-test-run/sources/stable/gh/pijamarda/project-euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pijamarda/project-euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pijamarda/project-euler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pijamarda/project-euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pijamarda/project-euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a410908d079ee440fec95549d796e765aab86729
[INFO] sha for GitHub repo pijamarda/project-euler: a410908d079ee440fec95549d796e765aab86729
[INFO] validating manifest of pijamarda/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 pijamarda/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 pijamarda/project-euler
[INFO] finished frobbing pijamarda/project-euler
[INFO] frobbed toml for pijamarda/project-euler written to work/ex/clippy-test-run/sources/stable/gh/pijamarda/project-euler/Cargo.toml
[INFO] started frobbing pijamarda/project-euler
[INFO] finished frobbing pijamarda/project-euler
[INFO] frobbed toml for pijamarda/project-euler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pijamarda/project-euler/Cargo.toml
[INFO] crate pijamarda/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 pijamarda/project-euler against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/pijamarda/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] 45c77d2529701ffb9f9112e877b9d9f9b04bf065f99ea71d8ca047b0e7d4fcf8
[INFO] running `"docker" "start" "-a" "45c77d2529701ffb9f9112e877b9d9f9b04bf065f99ea71d8ca047b0e7d4fcf8"`
[INFO] [stderr]     Checking project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     println!("");
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     println!(""); 
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     println!("");
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     println!(""); 
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     problem4(5677848);
[INFO] [stderr]    |              ^^^^^^^ help: consider: `5_677_848`
[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: this if statement can be collapsed
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | /         if number % i == 0 {
[INFO] [stderr] 82 | |             if is_prime_u64(i) {
[INFO] [stderr] 83 | |                 //print!("{} ",i);
[INFO] [stderr] 84 | |                 largest = i;
[INFO] [stderr] 85 | |                 number = number / i;
[INFO] [stderr] 86 | |             }
[INFO] [stderr] 87 | |         }
[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] 81 |         if number % i == 0 && is_prime_u64(i) {
[INFO] [stderr] 82 |     //print!("{} ",i);
[INFO] [stderr] 83 |     largest = i;
[INFO] [stderr] 84 |     number = number / i;
[INFO] [stderr] 85 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     return is_palindrome;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `is_palindrome`
[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/main.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     return prime;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `prime`
[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/main.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     return prime;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `prime`
[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: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     problem4(5677848);
[INFO] [stderr]    |              ^^^^^^^ help: consider: `5_677_848`
[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: this if statement can be collapsed
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | /         if number % i == 0 {
[INFO] [stderr] 82 | |             if is_prime_u64(i) {
[INFO] [stderr] 83 | |                 //print!("{} ",i);
[INFO] [stderr] 84 | |                 largest = i;
[INFO] [stderr] 85 | |                 number = number / i;
[INFO] [stderr] 86 | |             }
[INFO] [stderr] 87 | |         }
[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] 81 |         if number % i == 0 && is_prime_u64(i) {
[INFO] [stderr] 82 |     //print!("{} ",i);
[INFO] [stderr] 83 |     largest = i;
[INFO] [stderr] 84 |     number = number / i;
[INFO] [stderr] 85 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     return is_palindrome;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `is_palindrome`
[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/main.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     return prime;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `prime`
[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/main.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     return prime;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `prime`
[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 boolean expression can be simplified
[INFO] [stderr]   --> src/main.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if (i % 3 == 0) || (i % 3 == 0) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(i % 3 == 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] error: equal expressions as operands to `||`
[INFO] [stderr]   --> src/main.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if (i % 3 == 0) || (i % 3 == 0) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::eq_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#eq_op
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 number = number / i;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: replace it with: `number /= i`
[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/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         len_word = len_word / 2;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `len_word /= 2`
[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/main.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         len_word = len_word - 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `len_word -= 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] 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: this boolean expression can be simplified
[INFO] [stderr]   --> src/main.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if (i % 3 == 0) || (i % 3 == 0) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(i % 3 == 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] error: equal expressions as operands to `||`
[INFO] [stderr]   --> src/main.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if (i % 3 == 0) || (i % 3 == 0) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::eq_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#eq_op
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 number = number / i;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: replace it with: `number /= i`
[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/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         len_word = len_word / 2;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `len_word /= 2`
[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/main.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         len_word = len_word - 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `len_word -= 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] 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" "45c77d2529701ffb9f9112e877b9d9f9b04bf065f99ea71d8ca047b0e7d4fcf8"`
[INFO] running `"docker" "rm" "-f" "45c77d2529701ffb9f9112e877b9d9f9b04bf065f99ea71d8ca047b0e7d4fcf8"`
[INFO] [stdout] 45c77d2529701ffb9f9112e877b9d9f9b04bf065f99ea71d8ca047b0e7d4fcf8