[INFO] crate grpcio-compiler 0.5.0-alpha is already in cache
[INFO] extracting crate grpcio-compiler 0.5.0-alpha into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/grpcio-compiler/0.5.0-alpha
[INFO] extracting crate grpcio-compiler 0.5.0-alpha into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/grpcio-compiler/0.5.0-alpha
[INFO] validating manifest of grpcio-compiler-0.5.0-alpha on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grpcio-compiler-0.5.0-alpha on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grpcio-compiler-0.5.0-alpha
[INFO] finished frobbing grpcio-compiler-0.5.0-alpha
[INFO] frobbed toml for grpcio-compiler-0.5.0-alpha written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/grpcio-compiler/0.5.0-alpha/Cargo.toml
[INFO] started frobbing grpcio-compiler-0.5.0-alpha
[INFO] finished frobbing grpcio-compiler-0.5.0-alpha
[INFO] frobbed toml for grpcio-compiler-0.5.0-alpha written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/grpcio-compiler/0.5.0-alpha/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grpcio-compiler-0.5.0-alpha against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/grpcio-compiler/0.5.0-alpha:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 38ee1b84a9c3975a7a6507f6e7e44a581497dfbd24857307121c289822b53b66
[INFO] running `"docker" "start" "-a" "38ee1b84a9c3975a7a6507f6e7e44a581497dfbd24857307121c289822b53b66"`
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking protobuf-codegen v2.5.0
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking prost v0.5.0
[INFO] [stderr]     Checking prost-types v0.5.0
[INFO] [stderr]     Checking grpcio-compiler v0.5.0-alpha (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `"docker" "inspect" "38ee1b84a9c3975a7a6507f6e7e44a581497dfbd24857307121c289822b53b66"`
[INFO] running `"docker" "rm" "-f" "38ee1b84a9c3975a7a6507f6e7e44a581497dfbd24857307121c289822b53b66"`
[INFO] [stdout] 38ee1b84a9c3975a7a6507f6e7e44a581497dfbd24857307121c289822b53b66