[INFO] updating cached repository Cdayz/game_of_life
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Cdayz/game_of_life
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Cdayz/game_of_life" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Cdayz/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cdayz/game_of_life" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Cdayz/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70b2da72b67e45bdca0cde10f0d0ecd401d2491a
[INFO] sha for GitHub repo Cdayz/game_of_life: 70b2da72b67e45bdca0cde10f0d0ecd401d2491a
[INFO] validating manifest of Cdayz/game_of_life on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Cdayz/game_of_life on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Cdayz/game_of_life
[INFO] finished frobbing Cdayz/game_of_life
[INFO] frobbed toml for Cdayz/game_of_life written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Cdayz/game_of_life/Cargo.toml
[INFO] started frobbing Cdayz/game_of_life
[INFO] finished frobbing Cdayz/game_of_life
[INFO] frobbed toml for Cdayz/game_of_life written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Cdayz/game_of_life/Cargo.toml
[INFO] crate Cdayz/game_of_life has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Cdayz/game_of_life against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Cdayz/game_of_life:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f3a6e8b5f62f702a2b6943c36b74d276fd8a68aa4c089e009d99859c8d5d13d2
[INFO] running `"docker" "start" "-a" "f3a6e8b5f62f702a2b6943c36b74d276fd8a68aa4c089e009d99859c8d5d13d2"`
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 if x < 0 || x > self.board.len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if y < 0 || y > self.board[0].len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 if x < 0 || x > self.board.len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if y < 0 || y > self.board[0].len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "f3a6e8b5f62f702a2b6943c36b74d276fd8a68aa4c089e009d99859c8d5d13d2"`
[INFO] running `"docker" "rm" "-f" "f3a6e8b5f62f702a2b6943c36b74d276fd8a68aa4c089e009d99859c8d5d13d2"`
[INFO] [stdout] f3a6e8b5f62f702a2b6943c36b74d276fd8a68aa4c089e009d99859c8d5d13d2