this derivation will be built:
  /nix/store/ycfab75qs64gcw0i2sm0pvsi9z35yw8l-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/ycfab75qs64gcw0i2sm0pvsi9z35yw8l-bcachefs-module-7.0.0-27-generic.drv'...