this derivation will be built:
  /nix/store/0n55jh1dz47l6ckxdqcvb6n0mll5wghq-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/0n55jh1dz47l6ckxdqcvb6n0mll5wghq-bcachefs-module-7.0.0-38-generic.drv'...