[INFO] updating cached repository Velfi/ca_play
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Velfi/ca_play
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Velfi/ca_play" "work/ex/beta-1.38-1/sources/1.37.0/gh/Velfi/ca_play"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Velfi/ca_play'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Velfi/ca_play" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Velfi/ca_play"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Velfi/ca_play'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73d12591b8231a6bbad06f32c640b18e74e13b8e
[INFO] sha for GitHub repo Velfi/ca_play: 73d12591b8231a6bbad06f32c640b18e74e13b8e
[INFO] validating manifest of Velfi/ca_play 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 Velfi/ca_play 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 Velfi/ca_play
[INFO] finished frobbing Velfi/ca_play
[INFO] frobbed toml for Velfi/ca_play written to work/ex/beta-1.38-1/sources/1.37.0/gh/Velfi/ca_play/Cargo.toml
[INFO] started frobbing Velfi/ca_play
[INFO] finished frobbing Velfi/ca_play
[INFO] frobbed toml for Velfi/ca_play written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Velfi/ca_play/Cargo.toml
[INFO] crate Velfi/ca_play 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 Velfi/ca_play 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Velfi/ca_play:/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] 151b646c412cdd24eb2e42b089c14a8e086379155fd0e5633423b6b1fe6134af
[INFO] running `"docker" "start" "-a" "151b646c412cdd24eb2e42b089c14a8e086379155fd0e5633423b6b1fe6134af"`
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling ca_play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/cellular_automata.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alive`
[INFO] [stderr]   --> src/cellular_automata.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Alive,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wrapping`
[INFO] [stderr]   --> src/cellular_automata.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Wrapping,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.83s
[INFO] running `"docker" "inspect" "151b646c412cdd24eb2e42b089c14a8e086379155fd0e5633423b6b1fe6134af"`
[INFO] running `"docker" "rm" "-f" "151b646c412cdd24eb2e42b089c14a8e086379155fd0e5633423b6b1fe6134af"`
[INFO] [stdout] 151b646c412cdd24eb2e42b089c14a8e086379155fd0e5633423b6b1fe6134af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Velfi/ca_play:/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] aed3999b95a83bc37bf937931bb75b83fb92815ef3046d7f28ef63a341a508cd
[INFO] running `"docker" "start" "-a" "aed3999b95a83bc37bf937931bb75b83fb92815ef3046d7f28ef63a341a508cd"`
[INFO] [stderr]    Compiling ca_play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/cellular_automata.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alive`
[INFO] [stderr]   --> src/cellular_automata.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Alive,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wrapping`
[INFO] [stderr]   --> src/cellular_automata.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Wrapping,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "aed3999b95a83bc37bf937931bb75b83fb92815ef3046d7f28ef63a341a508cd"`
[INFO] running `"docker" "rm" "-f" "aed3999b95a83bc37bf937931bb75b83fb92815ef3046d7f28ef63a341a508cd"`
[INFO] [stdout] aed3999b95a83bc37bf937931bb75b83fb92815ef3046d7f28ef63a341a508cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Velfi/ca_play:/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] ea483f776eb392bcd7b78787845d3d9b4402c587dc85ac5dc6285f940b5c7cec
[INFO] running `"docker" "start" "-a" "ea483f776eb392bcd7b78787845d3d9b4402c587dc85ac5dc6285f940b5c7cec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ca_play-7ba9488457873c19
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test utils::tests::test_get_right_neighbour_index_wrapping ... ok
[INFO] [stdout] test utils::tests::test_get_left_neighbour_index_wrapping ... ok
[INFO] [stdout] test utils::tests::test_get_index_wrapping ... ok
[INFO] [stdout] test cellular_automata::tests::test_get_next_cell_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ea483f776eb392bcd7b78787845d3d9b4402c587dc85ac5dc6285f940b5c7cec"`
[INFO] running `"docker" "rm" "-f" "ea483f776eb392bcd7b78787845d3d9b4402c587dc85ac5dc6285f940b5c7cec"`
[INFO] [stdout] ea483f776eb392bcd7b78787845d3d9b4402c587dc85ac5dc6285f940b5c7cec