these 2 derivations will be built:
  /nix/store/c3js4h45jkbx0k4fyswship4b3kmabn2-closure-info.drv
  /nix/store/nbi55w3300zy1jxny3nq7d49kdra1imi-check-vars.drv
error: path '/nix/store/7krb53jqgwlsszrj0cyij71bn567j37y-check-vars' is not valid
error: Cannot build '/nix/store/nbi55w3300zy1jxny3nq7d49kdra1imi-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7krb53jqgwlsszrj0cyij71bn567j37y-check-vars