[INFO] updating cached repository traxys/MaybeServer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/traxys/MaybeServer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/traxys/MaybeServer" "work/ex/beta-1.37-6/sources/1.36.0/gh/traxys/MaybeServer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/traxys/MaybeServer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/traxys/MaybeServer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/traxys/MaybeServer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/traxys/MaybeServer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 201565766c98092009f26210ccdc955e37efc6e3
[INFO] sha for GitHub repo traxys/MaybeServer: 201565766c98092009f26210ccdc955e37efc6e3
[INFO] validating manifest of traxys/MaybeServer on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of traxys/MaybeServer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing traxys/MaybeServer
[INFO] finished frobbing traxys/MaybeServer
[INFO] frobbed toml for traxys/MaybeServer written to work/ex/beta-1.37-6/sources/1.36.0/gh/traxys/MaybeServer/Cargo.toml
[INFO] started frobbing traxys/MaybeServer
[INFO] finished frobbing traxys/MaybeServer
[INFO] frobbed toml for traxys/MaybeServer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/traxys/MaybeServer/Cargo.toml
[INFO] crate traxys/MaybeServer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing traxys/MaybeServer against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/traxys/MaybeServer:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bcb0fac59301c61f613d9f918e8f2256bcbb28e943b6c6e010b9fdfe1e7bf808
[INFO] running `"docker" "start" "-a" "bcb0fac59301c61f613d9f918e8f2256bcbb28e943b6c6e010b9fdfe1e7bf808"`
[INFO] [stderr]    Compiling maybe_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "bcb0fac59301c61f613d9f918e8f2256bcbb28e943b6c6e010b9fdfe1e7bf808"`
[INFO] running `"docker" "rm" "-f" "bcb0fac59301c61f613d9f918e8f2256bcbb28e943b6c6e010b9fdfe1e7bf808"`
[INFO] [stdout] bcb0fac59301c61f613d9f918e8f2256bcbb28e943b6c6e010b9fdfe1e7bf808
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/traxys/MaybeServer:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f639865397163d5193c89e87f3388655023927773d0563ffd30f6f3ba9187ed
[INFO] running `"docker" "start" "-a" "8f639865397163d5193c89e87f3388655023927773d0563ffd30f6f3ba9187ed"`
[INFO] [stderr]    Compiling maybe_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "8f639865397163d5193c89e87f3388655023927773d0563ffd30f6f3ba9187ed"`
[INFO] running `"docker" "rm" "-f" "8f639865397163d5193c89e87f3388655023927773d0563ffd30f6f3ba9187ed"`
[INFO] [stdout] 8f639865397163d5193c89e87f3388655023927773d0563ffd30f6f3ba9187ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/traxys/MaybeServer:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8eb1edf6533680ac0888adc095ea49949d46c40ca5b3bfa33d87936b6c0b66a8
[INFO] running `"docker" "start" "-a" "8eb1edf6533680ac0888adc095ea49949d46c40ca5b3bfa33d87936b6c0b66a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maybe_server-2f025de6781baa0b
[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" "8eb1edf6533680ac0888adc095ea49949d46c40ca5b3bfa33d87936b6c0b66a8"`
[INFO] running `"docker" "rm" "-f" "8eb1edf6533680ac0888adc095ea49949d46c40ca5b3bfa33d87936b6c0b66a8"`
[INFO] [stdout] 8eb1edf6533680ac0888adc095ea49949d46c40ca5b3bfa33d87936b6c0b66a8