this derivation will be built:
  /nix/store/y3d57hi603qw4vavz2y9v0jpricybqjf-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/y3d57hi603qw4vavz2y9v0jpricybqjf-bcachefs-module-7.0.0-30-generic.drv'...