[INFO] updating cached repository kirjavascript/snake-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kirjavascript/snake-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/snake-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/snake-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c9be31cf3f0dd00ace6d60f6ee2bc157cd27691
[INFO] sha for GitHub repo kirjavascript/snake-rs: 1c9be31cf3f0dd00ace6d60f6ee2bc157cd27691
[INFO] validating manifest of kirjavascript/snake-rs 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 kirjavascript/snake-rs 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 kirjavascript/snake-rs
[INFO] finished frobbing kirjavascript/snake-rs
[INFO] frobbed toml for kirjavascript/snake-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/snake-rs/Cargo.toml
[INFO] started frobbing kirjavascript/snake-rs
[INFO] finished frobbing kirjavascript/snake-rs
[INFO] frobbed toml for kirjavascript/snake-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/snake-rs/Cargo.toml
[INFO] crate kirjavascript/snake-rs 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 kirjavascript/snake-rs 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/kirjavascript/snake-rs:/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] 624f4ab51c73667463648c1cd736abde59c1f398bb4c9c5e4256cbfcd673d50f
[INFO] running `"docker" "start" "-a" "624f4ab51c73667463648c1cd736abde59c1f398bb4c9c5e4256cbfcd673d50f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "624f4ab51c73667463648c1cd736abde59c1f398bb4c9c5e4256cbfcd673d50f"`
[INFO] running `"docker" "rm" "-f" "624f4ab51c73667463648c1cd736abde59c1f398bb4c9c5e4256cbfcd673d50f"`
[INFO] [stdout] 624f4ab51c73667463648c1cd736abde59c1f398bb4c9c5e4256cbfcd673d50f
[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/kirjavascript/snake-rs:/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] 5087221be4b3d294c1957a173a90d6979c4a46dabd862cd8e8999065733e9410
[INFO] running `"docker" "start" "-a" "5087221be4b3d294c1957a173a90d6979c4a46dabd862cd8e8999065733e9410"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `"docker" "inspect" "5087221be4b3d294c1957a173a90d6979c4a46dabd862cd8e8999065733e9410"`
[INFO] running `"docker" "rm" "-f" "5087221be4b3d294c1957a173a90d6979c4a46dabd862cd8e8999065733e9410"`
[INFO] [stdout] 5087221be4b3d294c1957a173a90d6979c4a46dabd862cd8e8999065733e9410
[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/kirjavascript/snake-rs:/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] 285699699c3cd4bf9706a4d988c6cedfcf6812f1ccceffb465eb7baedccc26e8
[INFO] running `"docker" "start" "-a" "285699699c3cd4bf9706a4d988c6cedfcf6812f1ccceffb465eb7baedccc26e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `"docker" "inspect" "285699699c3cd4bf9706a4d988c6cedfcf6812f1ccceffb465eb7baedccc26e8"`
[INFO] running `"docker" "rm" "-f" "285699699c3cd4bf9706a4d988c6cedfcf6812f1ccceffb465eb7baedccc26e8"`
[INFO] [stdout] 285699699c3cd4bf9706a4d988c6cedfcf6812f1ccceffb465eb7baedccc26e8