this derivation will be built:
  /nix/store/z68hfnfk62fh2ri48mh54fna7lpbyprv-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/z68hfnfk62fh2ri48mh54fna7lpbyprv-bcachefs-module-7.0.0-29-generic.drv'...