this derivation will be built:
  /nix/store/l8wyqp1547h0px5s6mw2v2p9lp94lxrd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l8wyqp1547h0px5s6mw2v2p9lp94lxrd-bcachefs-module-7.0.0-39-generic.drv'...