[INFO] updating cached repository fschutt/LudumDare40
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fschutt/LudumDare40
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/LudumDare40" "work/ex/beta-1.38-1/sources/1.37.0/gh/fschutt/LudumDare40"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fschutt/LudumDare40'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/LudumDare40" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/LudumDare40"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/LudumDare40'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6e0bb7cf01ed9b2546bf1e73316b9449c234877
[INFO] sha for GitHub repo fschutt/LudumDare40: b6e0bb7cf01ed9b2546bf1e73316b9449c234877
[INFO] validating manifest of fschutt/LudumDare40 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 fschutt/LudumDare40 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 fschutt/LudumDare40
[INFO] finished frobbing fschutt/LudumDare40
[INFO] frobbed toml for fschutt/LudumDare40 written to work/ex/beta-1.38-1/sources/1.37.0/gh/fschutt/LudumDare40/Cargo.toml
[INFO] started frobbing fschutt/LudumDare40
[INFO] finished frobbing fschutt/LudumDare40
[INFO] frobbed toml for fschutt/LudumDare40 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fschutt/LudumDare40/Cargo.toml
[INFO] crate fschutt/LudumDare40 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/fschutt/cpal`
[INFO] [stderr] error: failed to load source for a dependency on `cpal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/fschutt/cpal#5b621f5d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into /mnt/big/crater/work/local/cargo-home/git/db/cpal-c85cb6460f9e3772
[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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed