this derivation will be built:
  /nix/store/mg3a3cg6cvihi48naa2xrakrj19z03a4-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/mg3a3cg6cvihi48naa2xrakrj19z03a4-bcachefs-module-7.0.0-29-generic.drv'...