[INFO] updating cached repository Aaron1011/mc-creation-date
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Aaron1011/mc-creation-date
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Aaron1011/mc-creation-date" "work/ex/beta-1.38-1/sources/1.37.0/gh/Aaron1011/mc-creation-date"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Aaron1011/mc-creation-date'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Aaron1011/mc-creation-date" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Aaron1011/mc-creation-date"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Aaron1011/mc-creation-date'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8571628e7f8b532bbfda5e85559ba5297a32bbac
[INFO] sha for GitHub repo Aaron1011/mc-creation-date: 8571628e7f8b532bbfda5e85559ba5297a32bbac
[INFO] validating manifest of Aaron1011/mc-creation-date 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 Aaron1011/mc-creation-date 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 Aaron1011/mc-creation-date
[INFO] finished frobbing Aaron1011/mc-creation-date
[INFO] frobbed toml for Aaron1011/mc-creation-date written to work/ex/beta-1.38-1/sources/1.37.0/gh/Aaron1011/mc-creation-date/Cargo.toml
[INFO] started frobbing Aaron1011/mc-creation-date
[INFO] finished frobbing Aaron1011/mc-creation-date
[INFO] frobbed toml for Aaron1011/mc-creation-date written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Aaron1011/mc-creation-date/Cargo.toml
[INFO] crate Aaron1011/mc-creation-date 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 git repository `https://github.com/Aaron1011/rusoto`
[INFO] [stderr] error: failed to resolve patches for `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for a dependency on `rusoto_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/Aaron1011/rusoto?branch=feature/add-builder#0c773af6
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '0c773af644fb98c52325b8b3966896e32d3f758f' not found; class=Reference (4); code=NotFound (-3)
[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