these 2 derivations will be built:
  /nix/store/3vx8fvq5k594avi9ln2xjjqfcaf1j92v-closure-info.drv
  /nix/store/4yv34n3b8s9lpnh0yqw3g0ijzxa2snhs-check-vars.drv
error: path '/nix/store/394f1ahbbsix9xjvh4frvwxfshd2m77p-check-vars' is not valid
error: Cannot build '/nix/store/4yv34n3b8s9lpnh0yqw3g0ijzxa2snhs-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/394f1ahbbsix9xjvh4frvwxfshd2m77p-check-vars