this derivation will be built:
  /nix/store/pp8l4d0h59yvdqi5jd5pq4rqiyldq8xn-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/pp8l4d0h59yvdqi5jd5pq4rqiyldq8xn-bcachefs-module-7.0.0-30-generic.drv'...