this derivation will be built:
  /nix/store/dvfzf09rnahc3xy7w4k71cxnswq67qr2-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/dvfzf09rnahc3xy7w4k71cxnswq67qr2-bcachefs-module-7.0.0-29-generic.drv'...