these 2 derivations will be built:
  /nix/store/mvwzmxq1l4q30xz5g1ych7z4m0kvzh19-closure-info.drv
  /nix/store/sbvi9f9vlxlm1dzcwc6gb5cnp2kz522w-check-vars.drv
error: path '/nix/store/808kgsvl450prai1ajjsi159lpqzsyf5-check-vars' is not valid
error: Cannot build '/nix/store/sbvi9f9vlxlm1dzcwc6gb5cnp2kz522w-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/808kgsvl450prai1ajjsi159lpqzsyf5-check-vars