[INFO] crate mpfr 0.0.8 is already in cache
[INFO] extracting crate mpfr 0.0.8 into work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/reg/mpfr/0.0.8
[INFO] extracting crate mpfr 0.0.8 into work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/mpfr/0.0.8
[INFO] validating manifest of mpfr-0.0.8 on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mpfr-0.0.8 on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mpfr-0.0.8
[INFO] finished frobbing mpfr-0.0.8
[INFO] frobbed toml for mpfr-0.0.8 written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/reg/mpfr/0.0.8/Cargo.toml
[INFO] started frobbing mpfr-0.0.8
[INFO] finished frobbing mpfr-0.0.8
[INFO] frobbed toml for mpfr-0.0.8 written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/mpfr/0.0.8/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse manifest at `/mnt/crater-raid/crater/work/local/cargo-home/registry/src/github.com-1ecc6299db9ec823/mpfr-sys-0.0.8/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   library target names cannot contain hyphens: mpfr-sys
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed