this derivation will be built:
  /nix/store/hk0crjknbvll21v2qkl7xdpw29nambw0-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/hk0crjknbvll21v2qkl7xdpw29nambw0-bcachefs-module-7.0.0-31-generic.drv'...