[INFO] fetching crate protobuf-build 0.8.0...
[INFO] extracting crate protobuf-build 0.8.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/protobuf-build/0.8.0
[INFO] extracting crate protobuf-build 0.8.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/protobuf-build/0.8.0
[INFO] validating manifest of protobuf-build-0.8.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of protobuf-build-0.8.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing protobuf-build-0.8.0
[INFO] finished frobbing protobuf-build-0.8.0
[INFO] frobbed toml for protobuf-build-0.8.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/protobuf-build/0.8.0/Cargo.toml
[INFO] started frobbing protobuf-build-0.8.0
[INFO] finished frobbing protobuf-build-0.8.0
[INFO] frobbed toml for protobuf-build-0.8.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/protobuf-build/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing protobuf-build-0.8.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/protobuf-build/0.8.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4c657b6d5678a9f0ae70e3a602c2b529764ea0046b575b3259f012c9142b3e9f
[INFO] running `"docker" "start" "-a" "4c657b6d5678a9f0ae70e3a602c2b529764ea0046b575b3259f012c9142b3e9f"`
[INFO] [stderr]    Compiling protobuf-build v0.8.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "4c657b6d5678a9f0ae70e3a602c2b529764ea0046b575b3259f012c9142b3e9f"`
[INFO] running `"docker" "rm" "-f" "4c657b6d5678a9f0ae70e3a602c2b529764ea0046b575b3259f012c9142b3e9f"`
[INFO] [stdout] 4c657b6d5678a9f0ae70e3a602c2b529764ea0046b575b3259f012c9142b3e9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/protobuf-build/0.8.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 704122b5cde0c79c544113f584c87a69804572d585f29b580d6099c384b50ae1
[INFO] running `"docker" "start" "-a" "704122b5cde0c79c544113f584c87a69804572d585f29b580d6099c384b50ae1"`
[INFO] [stderr]    Compiling protobuf-build v0.8.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "704122b5cde0c79c544113f584c87a69804572d585f29b580d6099c384b50ae1"`
[INFO] running `"docker" "rm" "-f" "704122b5cde0c79c544113f584c87a69804572d585f29b580d6099c384b50ae1"`
[INFO] [stdout] 704122b5cde0c79c544113f584c87a69804572d585f29b580d6099c384b50ae1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/protobuf-build/0.8.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8ade534b2acc5df8f19d329b3113b81dd16d1119f22b196b587b6ca6dad0bfe2
[INFO] running `"docker" "start" "-a" "8ade534b2acc5df8f19d329b3113b81dd16d1119f22b196b587b6ca6dad0bfe2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/protobuf_build-45ff183c667e5d17
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protobuf-build
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8ade534b2acc5df8f19d329b3113b81dd16d1119f22b196b587b6ca6dad0bfe2"`
[INFO] running `"docker" "rm" "-f" "8ade534b2acc5df8f19d329b3113b81dd16d1119f22b196b587b6ca6dad0bfe2"`
[INFO] [stdout] 8ade534b2acc5df8f19d329b3113b81dd16d1119f22b196b587b6ca6dad0bfe2