this derivation will be built:
  /nix/store/4nhq5a8nafpwfj1bdy91z1qchh4gx490-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/4nhq5a8nafpwfj1bdy91z1qchh4gx490-bcachefs-module-7.0.0-38-generic.drv'...