[INFO] updating cached repository LukasKalbertodt/basgit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LukasKalbertodt/basgit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LukasKalbertodt/basgit" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/LukasKalbertodt/basgit"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/LukasKalbertodt/basgit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LukasKalbertodt/basgit" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/LukasKalbertodt/basgit"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/LukasKalbertodt/basgit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7b657ac834114f2268009df17b0788af3f64958
[INFO] sha for GitHub repo LukasKalbertodt/basgit: e7b657ac834114f2268009df17b0788af3f64958
[INFO] validating manifest of LukasKalbertodt/basgit on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LukasKalbertodt/basgit on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LukasKalbertodt/basgit
[INFO] finished frobbing LukasKalbertodt/basgit
[INFO] frobbed toml for LukasKalbertodt/basgit written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/LukasKalbertodt/basgit/Cargo.toml
[INFO] started frobbing LukasKalbertodt/basgit
[INFO] finished frobbing LukasKalbertodt/basgit
[INFO] frobbed toml for LukasKalbertodt/basgit written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/LukasKalbertodt/basgit/Cargo.toml
[INFO] crate LukasKalbertodt/basgit has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/LukasKalbertodt/rust-hex`
[INFO] [stderr] error: failed to load source for a dependency on `hex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/LukasKalbertodt/rust-hex?branch=bump-030#905ff04b
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into /mnt/big/crater/work/local/cargo-home/git/db/rust-hex-f5ae8603a34512b3
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to authenticate when downloading repository
[INFO] [stderr] attempted to find username/password via git's `credential.helper` support, but failed
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to acquire username/password from local configuration
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed