[INFO] updating cached repository sts10/rusty-tac
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sts10/rusty-tac
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sts10/rusty-tac" "work/ex/clippy-test-run/sources/stable/gh/sts10/rusty-tac"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sts10/rusty-tac'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sts10/rusty-tac" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sts10/rusty-tac"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sts10/rusty-tac'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3948251f37d01fdffe27aa97e4727e969f5b1fa2
[INFO] sha for GitHub repo sts10/rusty-tac: 3948251f37d01fdffe27aa97e4727e969f5b1fa2
[INFO] validating manifest of sts10/rusty-tac 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 sts10/rusty-tac 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 sts10/rusty-tac
[INFO] finished frobbing sts10/rusty-tac
[INFO] frobbed toml for sts10/rusty-tac written to work/ex/clippy-test-run/sources/stable/gh/sts10/rusty-tac/Cargo.toml
[INFO] started frobbing sts10/rusty-tac
[INFO] finished frobbing sts10/rusty-tac
[INFO] frobbed toml for sts10/rusty-tac written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sts10/rusty-tac/Cargo.toml
[INFO] crate sts10/rusty-tac 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 sts10/rusty-tac 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-7/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/sts10/rusty-tac:/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] a620a369c3408faedf0bf8eb0c3866de363db55c3222d96c6d0dfd108931ac50
[INFO] running `"docker" "start" "-a" "a620a369c3408faedf0bf8eb0c3866de363db55c3222d96c6d0dfd108931ac50"`
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking rusty_tac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             print!("\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             print!("\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:80:20
[INFO] [stderr]    |
[INFO] [stderr]   --> src/main.rs:80:20
[INFO] [stderr] 80 |         Some(i) => return i,
[INFO] [stderr]    |
[INFO] [stderr] 80 |         Some(i) => return i,
[INFO] [stderr]    |                    ^^^^^^^^ help: remove `return` as shown: `i`
[INFO] [stderr]    |                    ^^^^^^^^ help: remove `return` as shown: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]   --> src/main.rs:81:17
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:81:17
[INFO] [stderr] 81 |         None => return 11
[INFO] [stderr]    |
[INFO] [stderr]    |                 ^^^^^^^^^ help: remove `return` as shown: `11`
[INFO] [stderr] 81 |         None => return 11
[INFO] [stderr]    |
[INFO] [stderr]    |                 ^^^^^^^^^ help: remove `return` as shown: `11`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    |
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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] 96 |         return true;
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr]    |
[INFO] [stderr] 98 |         return false;
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    |
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 98 |         return false;
[INFO] [stderr]    --> src/main.rs:104:14
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 104 |         0 => return true,
[INFO] [stderr] 
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |         0 => return true,
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove `return` as shown: `true`
[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:105:14
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr] 105 |         _ => return false,
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]     |              ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 
[INFO] [stderr]    --> src/main.rs:105:14
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     |
[INFO] [stderr]    --> src/main.rs:113:28
[INFO] [stderr] 105 |         _ => return false,
[INFO] [stderr]     |
[INFO] [stderr]     |              ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr] 113 |     if is_open(a, board) { return a; }
[INFO] [stderr]     |
[INFO] [stderr]     |                            ^^^^^^^^^ help: remove `return` as shown: `a`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:113:28
[INFO] [stderr]     |
[INFO] [stderr] 113 |     if is_open(a, board) { return a; }
[INFO] [stderr]     |                            ^^^^^^^^^ help: remove `return` as shown: `a`
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |     else if is_open(b, board) { return b; }
[INFO] [stderr]     |                                 ^^^^^^^^^ help: remove `return` as shown: `b`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 
[INFO] [stderr]    --> src/main.rs:114:33
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     |
[INFO] [stderr]    --> src/main.rs:115:33
[INFO] [stderr] 114 |     else if is_open(b, board) { return b; }
[INFO] [stderr]     |
[INFO] [stderr]     |                                 ^^^^^^^^^ help: remove `return` as shown: `b`
[INFO] [stderr] 115 |     else if is_open(c, board) { return c; }
[INFO] [stderr]     |
[INFO] [stderr]     |                                 ^^^^^^^^^ help: remove `return` as shown: `c`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:115:33
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 115 |     else if is_open(c, board) { return c; }
[INFO] [stderr]     |                                 ^^^^^^^^^ help: remove `return` as shown: `c`
[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]    --> src/main.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     else { return 11; }
[INFO] [stderr]     |            ^^^^^^^^^^ help: remove `return` as shown: `11`
[INFO] [stderr]     |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]    --> src/main.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 116 |     else { return 11; }
[INFO] [stderr]    --> src/main.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr]     |            ^^^^^^^^^^ help: remove `return` as shown: `11`
[INFO] [stderr] 128 |     return false;
[INFO] [stderr]     |
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]    --> src/main.rs:128:5
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     |
[INFO] [stderr] 128 |     return false;
[INFO] [stderr]    --> src/main.rs:134:15
[INFO] [stderr]     |
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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:134:15
[INFO] [stderr] 134 |         45 => return true,
[INFO] [stderr]     |               ^^^^^^^^^^^ help: remove `return` as shown: `true`
[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]     |
[INFO] [stderr]    --> src/main.rs:135:15
[INFO] [stderr] 134 |         45 => return true,
[INFO] [stderr]     |
[INFO] [stderr]     |               ^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr] 135 |         _  => return false,
[INFO] [stderr]     |
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:135:15
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] 135 |         _  => return false,
[INFO] [stderr]    --> src/main.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr] 149 |     return num;
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     return num;
[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:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     return sums;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `sums`
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:215:3
[INFO] [stderr]    --> src/main.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr] 215 |   return random_pick(&b)
[INFO] [stderr] 162 |     return sums;
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `random_pick(&b)`
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `sums`
[INFO] [stderr]     |
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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:215:3
[INFO] [stderr]     |
[INFO] [stderr] 215 |   return random_pick(&b)
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `random_pick(&b)`
[INFO] [stderr]     |
[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: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         let player;
[INFO] [stderr] 13 | |         if turn_number % 2 == 1{
[INFO] [stderr] 14 | |             player = 1;
[INFO] [stderr] 15 | |         } else {
[INFO] [stderr] 16 | |             player = 2;
[INFO] [stderr] 17 | |         }
[INFO] [stderr]    | |_________^ help: it is more idiomatic to write: `let player = if turn_number % 2 == 1 { 1 } else { 2 };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             turn_number = turn_number + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `turn_number += 1`
[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:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         i = i + 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `i += 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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 | /         match v {
[INFO] [stderr] 123 | |             &3 => return true,
[INFO] [stderr] 124 | |             &30 => return true,
[INFO] [stderr] 125 | |             _ => continue,
[INFO] [stderr] 126 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 122 |         match *v {
[INFO] [stderr] 123 |             3 => return true,
[INFO] [stderr] 124 |             30 => return true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         let player;
[INFO] [stderr] 13 | |         if turn_number % 2 == 1{
[INFO] [stderr] 14 | |             player = 1;
[INFO] [stderr] 15 | |         } else {
[INFO] [stderr] 16 | |             player = 2;
[INFO] [stderr] 17 | |         }
[INFO] [stderr]    | |_________^ help: it is more idiomatic to write: `let player = if turn_number % 2 == 1 { 1 } else { 2 };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             turn_number = turn_number + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `turn_number += 1`
[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:191:7
[INFO] [stderr]     |
[INFO] [stderr] 191 |       i = i + 1;
[INFO] [stderr]     |       ^^^^^^^^^ help: replace it with: `i += 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/main.rs:201:7
[INFO] [stderr]     |
[INFO] [stderr] 201 |       i = i + 1;
[INFO] [stderr]     |       ^^^^^^^^^ help: replace it with: `i += 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/main.rs:211:7
[INFO] [stderr]     |
[INFO] [stderr] 211 |       i = i + 1;
[INFO] [stderr]     |       ^^^^^^^^^ help: replace it with: `i += 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/main.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         i = i + 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `i += 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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 | /         match v {
[INFO] [stderr] 123 | |             &3 => return true,
[INFO] [stderr] 124 | |             &30 => return true,
[INFO] [stderr] 125 | |             _ => continue,
[INFO] [stderr] 126 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 122 |         match *v {
[INFO] [stderr] 123 |             3 => return true,
[INFO] [stderr] 124 |             30 => return true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:191:7
[INFO] [stderr]     |
[INFO] [stderr] 191 |       i = i + 1;
[INFO] [stderr]     |       ^^^^^^^^^ help: replace it with: `i += 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/main.rs:201:7
[INFO] [stderr]     |
[INFO] [stderr] 201 |       i = i + 1;
[INFO] [stderr]     |       ^^^^^^^^^ help: replace it with: `i += 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/main.rs:211:7
[INFO] [stderr]     |
[INFO] [stderr] 211 |       i = i + 1;
[INFO] [stderr]     |       ^^^^^^^^^ help: replace it with: `i += 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "a620a369c3408faedf0bf8eb0c3866de363db55c3222d96c6d0dfd108931ac50"`
[INFO] running `"docker" "rm" "-f" "a620a369c3408faedf0bf8eb0c3866de363db55c3222d96c6d0dfd108931ac50"`
[INFO] [stdout] a620a369c3408faedf0bf8eb0c3866de363db55c3222d96c6d0dfd108931ac50