this derivation will be built:
  /nix/store/r9sn9b28zb9q7a0x2svlgld89gi37hf2-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/r9sn9b28zb9q7a0x2svlgld89gi37hf2-bcachefs-module-7.0.0-29-generic.drv'...