./build.sh as user after logging out failing

`user@openxt:~$ ./build.sh 
Fetching git mirrors...
Done
Running build: 200604-1
Retrieving the branch-specific build data and scripts
Cloning into '/home/user/xt-builds/200604-1/build-openxt'...
fatal: remote error: access denied or repository not exported: /user/openxt.git`