[INFO] updating cached repository ckampfe/racy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ckampfe/racy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ckampfe/racy" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ckampfe/racy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ckampfe/racy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ckampfe/racy" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ckampfe/racy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ckampfe/racy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f98ffa22c61b40c955a8941a39b583423efd9d8
[INFO] sha for GitHub repo ckampfe/racy: 9f98ffa22c61b40c955a8941a39b583423efd9d8
[INFO] validating manifest of ckampfe/racy on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ckampfe/racy on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ckampfe/racy
[INFO] finished frobbing ckampfe/racy
[INFO] frobbed toml for ckampfe/racy written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ckampfe/racy/Cargo.toml
[INFO] started frobbing ckampfe/racy
[INFO] finished frobbing ckampfe/racy
[INFO] frobbed toml for ckampfe/racy written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ckampfe/racy/Cargo.toml
[INFO] crate ckampfe/racy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `ssh://git@github.com/fast-radius/nom_stl`
[INFO] [stderr] error: failed to load source for a dependency on `nom_stl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update ssh://git@github.com/fast-radius/nom_stl?rev=6eaa874#6eaa874c
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into /mnt/big/crater/work/local/cargo-home/git/db/nom_stl-1f925b89ef92fde4
[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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed