these 2 derivations will be built:
  /nix/store/4csi5c20ykvbq8fxbl8mlg18qw4r31ak-closure-info.drv
  /nix/store/znj1zd79nihpzg9l9qcqxl6fgkayzrx8-check-vars.drv
error: path '/nix/store/f52p12xf8ihm16i9l2b3pczqgl4h7pfw-check-vars' is not valid
error: Cannot build '/nix/store/znj1zd79nihpzg9l9qcqxl6fgkayzrx8-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/f52p12xf8ihm16i9l2b3pczqgl4h7pfw-check-vars