[INFO] crate gmp-sys 0.1.0 is already in cache
[INFO] extracting crate gmp-sys 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/gmp-sys/0.1.0
[INFO] extracting crate gmp-sys 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gmp-sys/0.1.0
[INFO] validating manifest of gmp-sys-0.1.0 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 gmp-sys-0.1.0 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 gmp-sys-0.1.0
[INFO] finished frobbing gmp-sys-0.1.0
[INFO] frobbed toml for gmp-sys-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/gmp-sys/0.1.0/Cargo.toml
[INFO] started frobbing gmp-sys-0.1.0
[INFO] finished frobbing gmp-sys-0.1.0
[INFO] frobbed toml for gmp-sys-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gmp-sys/0.1.0/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 gmp-sys-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/gmp-sys/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 694d3a12e9c9334fdc8b20181b85504af6cd894f0d778e568fa28d6fac058088
[INFO] running `"docker" "start" "-a" "694d3a12e9c9334fdc8b20181b85504af6cd894f0d778e568fa28d6fac058088"`
[INFO] [stderr]    Compiling gmp-sys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: renaming of the library `gmp` was specified, however this crate contains no #[link(...)] attributes referencing this library.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `gmp-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "694d3a12e9c9334fdc8b20181b85504af6cd894f0d778e568fa28d6fac058088"`
[INFO] running `"docker" "rm" "-f" "694d3a12e9c9334fdc8b20181b85504af6cd894f0d778e568fa28d6fac058088"`
[INFO] [stdout] 694d3a12e9c9334fdc8b20181b85504af6cd894f0d778e568fa28d6fac058088