[INFO] updating cached repository synek317/cargo-git-registry
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/synek317/cargo-git-registry
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/synek317/cargo-git-registry" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/synek317/cargo-git-registry"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/synek317/cargo-git-registry'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/synek317/cargo-git-registry" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/synek317/cargo-git-registry"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/synek317/cargo-git-registry'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 119b1b1858ff5a0ce0b126d9ed9ea733342111cb
[INFO] sha for GitHub repo synek317/cargo-git-registry: 119b1b1858ff5a0ce0b126d9ed9ea733342111cb
[INFO] validating manifest of synek317/cargo-git-registry on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of synek317/cargo-git-registry on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing synek317/cargo-git-registry
[INFO] finished frobbing synek317/cargo-git-registry
[INFO] frobbed toml for synek317/cargo-git-registry written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/synek317/cargo-git-registry/Cargo.toml
[INFO] started frobbing synek317/cargo-git-registry
[INFO] finished frobbing synek317/cargo-git-registry
[INFO] frobbed toml for synek317/cargo-git-registry written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/synek317/cargo-git-registry/Cargo.toml
[INFO] crate synek317/cargo-git-registry already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/synek317/cargo`
[INFO] [stderr] error: failed to load source for a dependency on `cargo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/synek317/cargo?branch=synek317_generate_index_metadata#c32ebe23
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   revspec 'c32ebe23a5bd165024cf7ce3af8c1feb54543379' 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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed