[INFO] updating cached repository roboime/roboime-next
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/roboime/roboime-next
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/roboime/roboime-next" "work/ex/beta-1.38-1/sources/1.37.0/gh/roboime/roboime-next"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/roboime/roboime-next'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/roboime/roboime-next" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roboime/roboime-next"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roboime/roboime-next'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24ffed983892b0068f67545fc813b46d882b78a3
[INFO] sha for GitHub repo roboime/roboime-next: 24ffed983892b0068f67545fc813b46d882b78a3
[INFO] validating manifest of roboime/roboime-next 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 roboime/roboime-next 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 roboime/roboime-next
[INFO] removed path dependency roboime-next-protocol from roboime/roboime-next
[INFO] finished frobbing roboime/roboime-next
[INFO] frobbed toml for roboime/roboime-next written to work/ex/beta-1.38-1/sources/1.37.0/gh/roboime/roboime-next/Cargo.toml
[INFO] started frobbing roboime/roboime-next
[INFO] removed path dependency roboime-next-protocol from roboime/roboime-next
[INFO] finished frobbing roboime/roboime-next
[INFO] frobbed toml for roboime/roboime-next written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roboime/roboime-next/Cargo.toml
[INFO] crate roboime/roboime-next 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/roboime/roboime-next/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 roboime/roboime-next 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-4/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/roboime/roboime-next:/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] e18fdb1f9048fb13a29d59f1ff667e5374842c7fd58a9d4dcb12a7687d40c02c
[INFO] running `"docker" "start" "-a" "e18fdb1f9048fb13a29d59f1ff667e5374842c7fd58a9d4dcb12a7687d40c02c"`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling roboime-next-protocol v0.1.0
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr] error[E0463]: can't find crate for `protobuf_build`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/roboime-next-protocol-0.1.0/build.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate protobuf_build;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `roboime-next-protocol`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e18fdb1f9048fb13a29d59f1ff667e5374842c7fd58a9d4dcb12a7687d40c02c"`
[INFO] running `"docker" "rm" "-f" "e18fdb1f9048fb13a29d59f1ff667e5374842c7fd58a9d4dcb12a7687d40c02c"`
[INFO] [stdout] e18fdb1f9048fb13a29d59f1ff667e5374842c7fd58a9d4dcb12a7687d40c02c