this derivation will be built:
  /nix/store/lhp2q3izp2ffpkxk807xjzkp15v22hr3-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/lhp2q3izp2ffpkxk807xjzkp15v22hr3-bcachefs-module-7.0.0-29-generic.drv'...