this derivation will be built:
  /nix/store/m4x6v3l4cm39y01i11bizgb3wlpc3arb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/m4x6v3l4cm39y01i11bizgb3wlpc3arb-bcachefs-module-7.0.0-39-generic.drv'...