this derivation will be built:
  /nix/store/i5amhv4c1wbmy880liachgn50x6vr5fn-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/i5amhv4c1wbmy880liachgn50x6vr5fn-bcachefs-module-7.0.0-31-generic.drv'...