[INFO] cloning repository U007D/bgk
[INFO] running `"git" "clone" "--bare" "git://github.com/U007D/bgk.git" "work/cache/sources/gh/U007D/bgk"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/U007D/bgk'...
[INFO] running `"git" "clone" "work/cache/sources/gh/U007D/bgk" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/U007D/bgk"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/U007D/bgk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/U007D/bgk" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/U007D/bgk"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/U007D/bgk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c54be4ae6d1ca5c1aee11624ef5f40cf1f6867fc
[INFO] sha for GitHub repo U007D/bgk: c54be4ae6d1ca5c1aee11624ef5f40cf1f6867fc
[INFO] validating manifest of U007D/bgk on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of U007D/bgk on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing U007D/bgk
[INFO] finished frobbing U007D/bgk
[INFO] frobbed toml for U007D/bgk written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/U007D/bgk/Cargo.toml
[INFO] started frobbing U007D/bgk
[INFO] finished frobbing U007D/bgk
[INFO] frobbed toml for U007D/bgk written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/U007D/bgk/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `ssh://git@github.com/humanenginuity/hesl`
[INFO] [stderr] error: failed to load source for a dependency on `hesl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update ssh://git@github.com/humanenginuity/hesl
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into /mnt/big/crater/work/local/cargo-home/git/db/hesl-a034b94ec2eaecb0
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to authenticate when downloading repository
[INFO] [stderr] attempted ssh-agent authentication, but none of the usernames `git` succeeded
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   error authenticating: no auth sock variable; class=Ssh (23)
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed