these 2 derivations will be built:
  /nix/store/m1qp2gq2b0jhhq7n1ifgb4m7sjamawyy-closure-info.drv
  /nix/store/0f7ripfmy64xql24kh16yz09msifyh1c-check-vars.drv
error: path '/nix/store/iqvqdipvvrbcxg10f2n9arzh9pixvdjg-check-vars' is not valid
error: Cannot build '/nix/store/0f7ripfmy64xql24kh16yz09msifyh1c-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/iqvqdipvvrbcxg10f2n9arzh9pixvdjg-check-vars