[INFO] crate protoc-rust-grpc 0.6.1 is already in cache
[INFO] extracting crate protoc-rust-grpc 0.6.1 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/protoc-rust-grpc/0.6.1
[INFO] extracting crate protoc-rust-grpc 0.6.1 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/protoc-rust-grpc/0.6.1
[INFO] validating manifest of protoc-rust-grpc-0.6.1 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of protoc-rust-grpc-0.6.1 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing protoc-rust-grpc-0.6.1
[INFO] finished frobbing protoc-rust-grpc-0.6.1
[INFO] frobbed toml for protoc-rust-grpc-0.6.1 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/protoc-rust-grpc/0.6.1/Cargo.toml
[INFO] started frobbing protoc-rust-grpc-0.6.1
[INFO] finished frobbing protoc-rust-grpc-0.6.1
[INFO] frobbed toml for protoc-rust-grpc-0.6.1 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/protoc-rust-grpc/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking protoc-rust-grpc-0.6.1 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/protoc-rust-grpc/0.6.1:/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=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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66c78affd0a2f472c59fb366dc51d31d8b288f24eb0fa58319b7b6b78bcb0a18
[INFO] running `"docker" "start" "-a" "66c78affd0a2f472c59fb366dc51d31d8b288f24eb0fa58319b7b6b78bcb0a18"`
[INFO] [stderr]     Checking protobuf-codegen v2.8.0
[INFO] [stderr]     Checking protoc v2.8.0
[INFO] [stderr]     Checking protoc-rust v2.8.0
[INFO] [stderr]     Checking grpc-compiler v0.6.1
[INFO] [stderr]     Checking protoc-rust-grpc v0.6.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `"docker" "inspect" "66c78affd0a2f472c59fb366dc51d31d8b288f24eb0fa58319b7b6b78bcb0a18"`
[INFO] running `"docker" "rm" "-f" "66c78affd0a2f472c59fb366dc51d31d8b288f24eb0fa58319b7b6b78bcb0a18"`
[INFO] [stdout] 66c78affd0a2f472c59fb366dc51d31d8b288f24eb0fa58319b7b6b78bcb0a18