this derivation will be built:
  /nix/store/0xfr0rn4fqjcy5sx6886b5rk7pnh945f-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0xfr0rn4fqjcy5sx6886b5rk7pnh945f-bcachefs-module-7.0.0-39-generic.drv'...