[INFO] updating cached repository fabianschuiki/moore
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fabianschuiki/moore
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fabianschuiki/moore" "work/ex/beta-1.38-1/sources/1.37.0/gh/fabianschuiki/moore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fabianschuiki/moore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fabianschuiki/moore" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fabianschuiki/moore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fabianschuiki/moore'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e6681cf29ee4ec62ff1e5d0f53beffa6d23b02f
[INFO] sha for GitHub repo fabianschuiki/moore: 1e6681cf29ee4ec62ff1e5d0f53beffa6d23b02f
[INFO] validating manifest of fabianschuiki/moore on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fabianschuiki/moore on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fabianschuiki/moore
[INFO] removed workspace from fabianschuiki/moore
[INFO] removed path dependency moore-common from fabianschuiki/moore
[INFO] removed path dependency moore-svlog from fabianschuiki/moore
[INFO] removed path dependency moore-vhdl from fabianschuiki/moore
[INFO] finished frobbing fabianschuiki/moore
[INFO] frobbed toml for fabianschuiki/moore written to work/ex/beta-1.38-1/sources/1.37.0/gh/fabianschuiki/moore/Cargo.toml
[INFO] started frobbing fabianschuiki/moore
[INFO] removed workspace from fabianschuiki/moore
[INFO] removed path dependency moore-common from fabianschuiki/moore
[INFO] removed path dependency moore-svlog from fabianschuiki/moore
[INFO] removed path dependency moore-vhdl from fabianschuiki/moore
[INFO] finished frobbing fabianschuiki/moore
[INFO] frobbed toml for fabianschuiki/moore written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fabianschuiki/moore/Cargo.toml
[INFO] crate fabianschuiki/moore already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `moore-common = "^0.4.0"`
[INFO] [stderr]   candidate versions found which didn't match: 0.2.0, 0.1.0
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `moore v0.4.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fabianschuiki/moore)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed