this derivation will be built:
  /nix/store/77a109al50m2jk20cw9cav3c6q7ld539-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/77a109al50m2jk20cw9cav3c6q7ld539-bcachefs-module-7.0.0-29-generic.drv'...