this derivation will be built:
  /nix/store/qb2mgs05vfrx6938ngwg1nmnq4m837c4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qb2mgs05vfrx6938ngwg1nmnq4m837c4-bcachefs-module-7.0.0-39-generic.drv'...