[INFO] updating cached repository ErikUggeldahl/RustGameOfLife
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ErikUggeldahl/RustGameOfLife
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ErikUggeldahl/RustGameOfLife" "work/ex/clippy-test-run/sources/stable/gh/ErikUggeldahl/RustGameOfLife"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ErikUggeldahl/RustGameOfLife'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ErikUggeldahl/RustGameOfLife" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ErikUggeldahl/RustGameOfLife"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ErikUggeldahl/RustGameOfLife'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e65424c911c1878b4aa01af81d89763e48e4ecf
[INFO] sha for GitHub repo ErikUggeldahl/RustGameOfLife: 8e65424c911c1878b4aa01af81d89763e48e4ecf
[INFO] validating manifest of ErikUggeldahl/RustGameOfLife 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 ErikUggeldahl/RustGameOfLife 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 ErikUggeldahl/RustGameOfLife
[INFO] finished frobbing ErikUggeldahl/RustGameOfLife
[INFO] frobbed toml for ErikUggeldahl/RustGameOfLife written to work/ex/clippy-test-run/sources/stable/gh/ErikUggeldahl/RustGameOfLife/Cargo.toml
[INFO] started frobbing ErikUggeldahl/RustGameOfLife
[INFO] finished frobbing ErikUggeldahl/RustGameOfLife
[INFO] frobbed toml for ErikUggeldahl/RustGameOfLife written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ErikUggeldahl/RustGameOfLife/Cargo.toml
[INFO] crate ErikUggeldahl/RustGameOfLife 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 ErikUggeldahl/RustGameOfLife against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ErikUggeldahl/RustGameOfLife:/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] 8eb2ac39ade21b41e04355a66ab30cc40ec632bc30e90bf785a246e6af23b2a8
[INFO] running `"docker" "start" "-a" "8eb2ac39ade21b41e04355a66ab30cc40ec632bc30e90bf785a246e6af23b2a8"`
[INFO] [stderr]     Checking 20150720_next_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |             grid: initial_state.clone()
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*initial_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/main.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if self.grid[y][x] { true } else { false }
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `self.grid[y][x]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |             grid: initial_state.clone()
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*initial_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/main.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if self.grid[y][x] { true } else { false }
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `self.grid[y][x]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:62:3
[INFO] [stderr]    |
[INFO] [stderr] 62 |           match self.occupied(coord) {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 63 | |             true => match neighbours {
[INFO] [stderr] 64 | |                 2 | 3 => true,
[INFO] [stderr] 65 | |                 _ => false
[INFO] [stderr] 66 | |             },
[INFO] [stderr] 67 | |             false => if neighbours == 3 { true } else { false }
[INFO] [stderr] 68 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if self.occupied(coord) { match neighbours {
[INFO] [stderr] 63 |     2 | 3 => true,
[INFO] [stderr] 64 |     _ => false
[INFO] [stderr] 65 | } } else { if neighbours == 3 { true } else { false } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             false => if neighbours == 3 { true } else { false }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `neighbours == 3`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:62:3
[INFO] [stderr]    |
[INFO] [stderr] 62 |           match self.occupied(coord) {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 63 | |             true => match neighbours {
[INFO] [stderr] 64 | |                 2 | 3 => true,
[INFO] [stderr] 65 | |                 _ => false
[INFO] [stderr] 66 | |             },
[INFO] [stderr] 67 | |             false => if neighbours == 3 { true } else { false }
[INFO] [stderr] 68 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if self.occupied(coord) { match neighbours {
[INFO] [stderr] 63 |     2 | 3 => true,
[INFO] [stderr] 64 |     _ => false
[INFO] [stderr] 65 | } } else { if neighbours == 3 { true } else { false } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             false => if neighbours == 3 { true } else { false }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `neighbours == 3`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "8eb2ac39ade21b41e04355a66ab30cc40ec632bc30e90bf785a246e6af23b2a8"`
[INFO] running `"docker" "rm" "-f" "8eb2ac39ade21b41e04355a66ab30cc40ec632bc30e90bf785a246e6af23b2a8"`
[INFO] [stdout] 8eb2ac39ade21b41e04355a66ab30cc40ec632bc30e90bf785a246e6af23b2a8