[INFO] updating cached repository Nemo157/abcd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nemo157/abcd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nemo157/abcd" "work/ex/beta-1.38-1/sources/1.37.0/gh/Nemo157/abcd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Nemo157/abcd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nemo157/abcd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nemo157/abcd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nemo157/abcd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dcd915524cb9a8bdf40027a5e7d21744d4a19921
[INFO] sha for GitHub repo Nemo157/abcd: dcd915524cb9a8bdf40027a5e7d21744d4a19921
[INFO] validating manifest of Nemo157/abcd 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 Nemo157/abcd 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 Nemo157/abcd
[INFO] finished frobbing Nemo157/abcd
[INFO] frobbed toml for Nemo157/abcd written to work/ex/beta-1.38-1/sources/1.37.0/gh/Nemo157/abcd/Cargo.toml
[INFO] started frobbing Nemo157/abcd
[INFO] finished frobbing Nemo157/abcd
[INFO] frobbed toml for Nemo157/abcd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nemo157/abcd/Cargo.toml
[INFO] crate Nemo157/abcd 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/Nemo157/http-service`
[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 `http-service`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/Nemo157/http-service?branch=executor-agnostic-hyper#02c316f5
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec '02c316f5da48c0e0b57d75f705543598f1ff4a17' 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