these 2 derivations will be built:
  /nix/store/agcpjrlpkhnkms629bwwc1f8fn27p7x1-closure-info.drv
  /nix/store/f2rpxhv9ljlrykmsi2j6nq5qwak6lsys-check-vars.drv
error: path '/nix/store/zsv296x2mi3hcrfi03dnmmir8zjigvsi-check-vars' is not valid
error: Cannot build '/nix/store/f2rpxhv9ljlrykmsi2j6nq5qwak6lsys-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/zsv296x2mi3hcrfi03dnmmir8zjigvsi-check-vars