[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-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/protoc-rust-grpc/0.6.1
[INFO] extracting crate protoc-rust-grpc 0.6.1 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/protoc-rust-grpc/0.6.1
[INFO] validating manifest of protoc-rust-grpc-0.6.1 on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of protoc-rust-grpc-0.6.1 on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-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-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/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-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/protoc-rust-grpc/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking protoc-rust-grpc-0.6.1 against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-7/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e06b53a2f2e19c291c2712d00a66f3545cf081f6d844e99de8ad8b7e26220e2f
[INFO] running `"docker" "start" "-a" "e06b53a2f2e19c291c2712d00a66f3545cf081f6d844e99de8ad8b7e26220e2f"`
[INFO] [stderr]     Checking protoc v2.2.2
[INFO] [stderr]     Checking protobuf-codegen v2.2.2
[INFO] [stderr]     Checking protoc-rust v2.2.2
[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 3.14s
[INFO] running `"docker" "inspect" "e06b53a2f2e19c291c2712d00a66f3545cf081f6d844e99de8ad8b7e26220e2f"`
[INFO] running `"docker" "rm" "-f" "e06b53a2f2e19c291c2712d00a66f3545cf081f6d844e99de8ad8b7e26220e2f"`
[INFO] [stdout] e06b53a2f2e19c291c2712d00a66f3545cf081f6d844e99de8ad8b7e26220e2f