these 2 derivations will be built:
  /nix/store/gq5lxj6fbkbp76pbnlx0ljcc8xmx3dbq-closure-info.drv
  /nix/store/5jzxc3dl8vfwbk2d4g39w5s5zpyh1rjw-check-vars.drv
error: path '/nix/store/1hpbnxajvxah7bbzsg5i64hnkmr48pf8-check-vars' is not valid
error: Cannot build '/nix/store/5jzxc3dl8vfwbk2d4g39w5s5zpyh1rjw-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1hpbnxajvxah7bbzsg5i64hnkmr48pf8-check-vars