these 2 derivations will be built:
  /nix/store/rih0rv42qzcsk0s8w8zg339xpm0yj7dl-closure-info.drv
  /nix/store/c16arxkg4mfgc6n33qrp49s8q7gfngdc-check-vars.drv
error: path '/nix/store/jyaz14ph1xz89k03pw4k0yicq0ckl9fb-check-vars' is not valid
error: Cannot build '/nix/store/c16arxkg4mfgc6n33qrp49s8q7gfngdc-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jyaz14ph1xz89k03pw4k0yicq0ckl9fb-check-vars