[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-1.38-1/sources/1.37.0/gh/traxys/MaybeServer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/traxys/MaybeServer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/traxys/MaybeServer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/traxys/MaybeServer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of traxys/MaybeServer 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 traxys/MaybeServer
[INFO] finished frobbing traxys/MaybeServer
[INFO] frobbed toml for traxys/MaybeServer written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing traxys/MaybeServer against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4af26d11d513b474924c32274088f61ca3eea9e4b034545dd9d59a174e3d5375
[INFO] running `"docker" "start" "-a" "4af26d11d513b474924c32274088f61ca3eea9e4b034545dd9d59a174e3d5375"`
[INFO] [stderr]    Compiling maybe_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4af26d11d513b474924c32274088f61ca3eea9e4b034545dd9d59a174e3d5375"`
[INFO] running `"docker" "rm" "-f" "4af26d11d513b474924c32274088f61ca3eea9e4b034545dd9d59a174e3d5375"`
[INFO] [stdout] 4af26d11d513b474924c32274088f61ca3eea9e4b034545dd9d59a174e3d5375
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7cf756f598c003e098f461e54b01587673f77ca83921dcd149f33dbe228d8671
[INFO] running `"docker" "start" "-a" "7cf756f598c003e098f461e54b01587673f77ca83921dcd149f33dbe228d8671"`
[INFO] [stderr]    Compiling maybe_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "7cf756f598c003e098f461e54b01587673f77ca83921dcd149f33dbe228d8671"`
[INFO] running `"docker" "rm" "-f" "7cf756f598c003e098f461e54b01587673f77ca83921dcd149f33dbe228d8671"`
[INFO] [stdout] 7cf756f598c003e098f461e54b01587673f77ca83921dcd149f33dbe228d8671
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8fc61cff7310e5be5c0d2632afa05228efd8ba034429c63a9fdcd330d055275a
[INFO] running `"docker" "start" "-a" "8fc61cff7310e5be5c0d2632afa05228efd8ba034429c63a9fdcd330d055275a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maybe_server-b7a84cf53ea890ad
[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" "8fc61cff7310e5be5c0d2632afa05228efd8ba034429c63a9fdcd330d055275a"`
[INFO] running `"docker" "rm" "-f" "8fc61cff7310e5be5c0d2632afa05228efd8ba034429c63a9fdcd330d055275a"`
[INFO] [stdout] 8fc61cff7310e5be5c0d2632afa05228efd8ba034429c63a9fdcd330d055275a