[INFO] updating cached repository velvetops/rust-game-of-life
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/velvetops/rust-game-of-life
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/velvetops/rust-game-of-life" "work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/rust-game-of-life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/rust-game-of-life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/velvetops/rust-game-of-life" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/velvetops/rust-game-of-life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/velvetops/rust-game-of-life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea8996e25ca4275627a91ec5395f8db8a234fa94
[INFO] sha for GitHub repo velvetops/rust-game-of-life: ea8996e25ca4275627a91ec5395f8db8a234fa94
[INFO] validating manifest of velvetops/rust-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 velvetops/rust-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 velvetops/rust-game-of-life
[INFO] finished frobbing velvetops/rust-game-of-life
[INFO] frobbed toml for velvetops/rust-game-of-life written to work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/rust-game-of-life/Cargo.toml
[INFO] started frobbing velvetops/rust-game-of-life
[INFO] finished frobbing velvetops/rust-game-of-life
[INFO] frobbed toml for velvetops/rust-game-of-life written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/velvetops/rust-game-of-life/Cargo.toml
[INFO] crate velvetops/rust-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 velvetops/rust-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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/rust-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] da62058d44de32e4cbf8432c17277f26c5332ccc088a7e723dc9b2c2197b9997
[INFO] running `"docker" "start" "-a" "da62058d44de32e4cbf8432c17277f26c5332ccc088a7e723dc9b2c2197b9997"`
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling my-game-of-life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `"docker" "inspect" "da62058d44de32e4cbf8432c17277f26c5332ccc088a7e723dc9b2c2197b9997"`
[INFO] running `"docker" "rm" "-f" "da62058d44de32e4cbf8432c17277f26c5332ccc088a7e723dc9b2c2197b9997"`
[INFO] [stdout] da62058d44de32e4cbf8432c17277f26c5332ccc088a7e723dc9b2c2197b9997
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/rust-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] c1f813487d3d3ed573c163b80e28fbe6eb2184b533a87a4e0aab537457677494
[INFO] running `"docker" "start" "-a" "c1f813487d3d3ed573c163b80e28fbe6eb2184b533a87a4e0aab537457677494"`
[INFO] [stderr]    Compiling my-game-of-life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "c1f813487d3d3ed573c163b80e28fbe6eb2184b533a87a4e0aab537457677494"`
[INFO] running `"docker" "rm" "-f" "c1f813487d3d3ed573c163b80e28fbe6eb2184b533a87a4e0aab537457677494"`
[INFO] [stdout] c1f813487d3d3ed573c163b80e28fbe6eb2184b533a87a4e0aab537457677494
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/rust-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] 61da7c5a353e6fd56e941ee35ecab815782cdeac43d7811a05412aab4d6db453
[INFO] running `"docker" "start" "-a" "61da7c5a353e6fd56e941ee35ecab815782cdeac43d7811a05412aab4d6db453"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_game_of_life-b8c5b15cb1dc9f50
[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" "61da7c5a353e6fd56e941ee35ecab815782cdeac43d7811a05412aab4d6db453"`
[INFO] running `"docker" "rm" "-f" "61da7c5a353e6fd56e941ee35ecab815782cdeac43d7811a05412aab4d6db453"`
[INFO] [stdout] 61da7c5a353e6fd56e941ee35ecab815782cdeac43d7811a05412aab4d6db453