[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/beta-1.38-1/sources/1.37.0/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Cdayz/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cdayz/game_of_life" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Cdayz/game_of_life on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/Cdayz/game_of_life/Cargo.toml
[INFO] crate Cdayz/game_of_life already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Cdayz/game_of_life against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 046ccd8e5c3157eeef7b86accf8ec440bab239400353adb4870297a424503289
[INFO] running `"docker" "start" "-a" "046ccd8e5c3157eeef7b86accf8ec440bab239400353adb4870297a424503289"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "046ccd8e5c3157eeef7b86accf8ec440bab239400353adb4870297a424503289"`
[INFO] running `"docker" "rm" "-f" "046ccd8e5c3157eeef7b86accf8ec440bab239400353adb4870297a424503289"`
[INFO] [stdout] 046ccd8e5c3157eeef7b86accf8ec440bab239400353adb4870297a424503289
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3e47c51b5a46650c0ab16b43d5571bf0f5e299588681ecf891f8936ee425653
[INFO] running `"docker" "start" "-a" "b3e47c51b5a46650c0ab16b43d5571bf0f5e299588681ecf891f8936ee425653"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "b3e47c51b5a46650c0ab16b43d5571bf0f5e299588681ecf891f8936ee425653"`
[INFO] running `"docker" "rm" "-f" "b3e47c51b5a46650c0ab16b43d5571bf0f5e299588681ecf891f8936ee425653"`
[INFO] [stdout] b3e47c51b5a46650c0ab16b43d5571bf0f5e299588681ecf891f8936ee425653
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a6d5fbcec07efbe79535e066c3cd15077e35f2bcf5abd40a7baae957b038e853
[INFO] running `"docker" "start" "-a" "a6d5fbcec07efbe79535e066c3cd15077e35f2bcf5abd40a7baae957b038e853"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/game_of_life-11bf089979cf7aa8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a6d5fbcec07efbe79535e066c3cd15077e35f2bcf5abd40a7baae957b038e853"`
[INFO] running `"docker" "rm" "-f" "a6d5fbcec07efbe79535e066c3cd15077e35f2bcf5abd40a7baae957b038e853"`
[INFO] [stdout] a6d5fbcec07efbe79535e066c3cd15077e35f2bcf5abd40a7baae957b038e853