[INFO] updating cached repository luke-brooks/LudumDare32
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luke-brooks/LudumDare32
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luke-brooks/LudumDare32" "work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/luke-brooks/LudumDare32"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/luke-brooks/LudumDare32'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luke-brooks/LudumDare32" "work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/luke-brooks/LudumDare32"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/luke-brooks/LudumDare32'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8703e807c0a2fa660fd48730b2246d86c10c235
[INFO] sha for GitHub repo luke-brooks/LudumDare32: a8703e807c0a2fa660fd48730b2246d86c10c235
[INFO] validating manifest of luke-brooks/LudumDare32 on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of luke-brooks/LudumDare32 on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing luke-brooks/LudumDare32
[INFO] finished frobbing luke-brooks/LudumDare32
[INFO] frobbed toml for luke-brooks/LudumDare32 written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/luke-brooks/LudumDare32/Cargo.toml
[INFO] started frobbing luke-brooks/LudumDare32
[INFO] finished frobbing luke-brooks/LudumDare32
[INFO] frobbed toml for luke-brooks/LudumDare32 written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/luke-brooks/LudumDare32/Cargo.toml
[INFO] crate luke-brooks/LudumDare32 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/pistondevelopers/event`
[INFO] [stderr] error: failed to load source for a dependency on `pistoncore-event`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/pistondevelopers/event#89abc7c6
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into /mnt/big/crater/work/local/cargo-home/git/db/event-dedf5ad125ed649a
[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" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed