this derivation will be built:
  /nix/store/c2a2ijbag3kn1acbsz76ipv1vc56kddm-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/c2a2ijbag3kn1acbsz76ipv1vc56kddm-bcachefs-module-7.0.0-39-generic.drv'...