[INFO] crate grpcio-compiler 0.4.1 is already in cache
[INFO] extracting crate grpcio-compiler 0.4.1 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/grpcio-compiler/0.4.1
[INFO] extracting crate grpcio-compiler 0.4.1 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/grpcio-compiler/0.4.1
[INFO] validating manifest of grpcio-compiler-0.4.1 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grpcio-compiler-0.4.1 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grpcio-compiler-0.4.1
[INFO] finished frobbing grpcio-compiler-0.4.1
[INFO] frobbed toml for grpcio-compiler-0.4.1 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/grpcio-compiler/0.4.1/Cargo.toml
[INFO] started frobbing grpcio-compiler-0.4.1
[INFO] finished frobbing grpcio-compiler-0.4.1
[INFO] frobbed toml for grpcio-compiler-0.4.1 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/grpcio-compiler/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grpcio-compiler-0.4.1 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/grpcio-compiler/0.4.1:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 74fc86b9eba15ab29c43396e2837a8fab7d148e1640a668db11910ddb5bdf979
[INFO] running `"docker" "start" "-a" "74fc86b9eba15ab29c43396e2837a8fab7d148e1640a668db11910ddb5bdf979"`
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]     Checking protobuf-codegen v2.0.6
[INFO] [stderr]     Checking grpcio-compiler v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `"docker" "inspect" "74fc86b9eba15ab29c43396e2837a8fab7d148e1640a668db11910ddb5bdf979"`
[INFO] running `"docker" "rm" "-f" "74fc86b9eba15ab29c43396e2837a8fab7d148e1640a668db11910ddb5bdf979"`
[INFO] [stdout] 74fc86b9eba15ab29c43396e2837a8fab7d148e1640a668db11910ddb5bdf979