this derivation will be built:
  /nix/store/15pim1mbq9q9r5y1ajr0k5m635mbwdcb-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/15pim1mbq9q9r5y1ajr0k5m635mbwdcb-bcachefs-module-7.0.0-29-generic.drv'...