these 2 derivations will be built:
  /nix/store/1a7j6x5176lw54r8vzh86s7c5gx4kws4-closure-info.drv
  /nix/store/h5ph81as190114zcalha63ymnkk2d0d3-check-vars.drv
error: path '/nix/store/ga55bcq5bmb7635x2n38xg42rm3a91a3-check-vars' is not valid
error: Cannot build '/nix/store/h5ph81as190114zcalha63ymnkk2d0d3-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/ga55bcq5bmb7635x2n38xg42rm3a91a3-check-vars