this derivation will be built:
  /nix/store/1c5bx4igizliqdgaajqvpb4bjqp218pk-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/1c5bx4igizliqdgaajqvpb4bjqp218pk-bcachefs-module-7.0.0-39-generic.drv'...