this derivation will be built:
  /nix/store/q9fsn2k60kkazzxs379fha44zdyyypbb-treefmt-check.drv
error: Cannot build '/nix/store/q9fsn2k60kkazzxs379fha44zdyyypbb-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/9njkzxw5mpwmyf8ql5zklagkbyic5ssq-treefmt-check
       Last 25 log lines:
       > -      )
       > +          dataDir = lib.mkOption {
       > +            type = lib.types.str;
       > +            description = "Mountpoint for this OpenCloud instance's data dataset.";
       > +          };
       > +        };
       > +      })
       >      );
       >      default = null;
       >      description = "Mali storage and NFS export for one OpenCloud instance.";
       > diff --git a/tests/opencloud-eval.nix b/tests/opencloud-eval.nix
       > index c99b9f3..93a3df6 100644
       > --- a/tests/opencloud-eval.nix
       > +++ b/tests/opencloud-eval.nix
       > @@ -58,9 +58,7 @@ assert c.users.users.opencloud-beta.uid == 3102;
       >  assert c.users.users.opencloud-alpha.linger;
       >  assert c.virtualisation.quadlet.containers.opencloud-alpha.uid == 3101;
       >  assert c.virtualisation.quadlet.containers.opencloud-beta.uid == 3102;
       > -assert builtins.elem "PROXY_OIDC_REWRITE_WELLKNOWN=true" (
       > -  c.virtualisation.quadlet.containers.opencloud-alpha.containerConfig.Environment
       > -);
       > +assert builtins.elem "PROXY_OIDC_REWRITE_WELLKNOWN=true" c.virtualisation.quadlet.containers.opencloud-alpha.containerConfig.Environment;
       >  assert builtins.elem "opencloud-alpha-office.service" (
       >    c.virtualisation.quadlet.containers.opencloud-alpha.unitConfig.Requires or [ ]
       >  );
       For full logs, run:
         nix log /nix/store/q9fsn2k60kkazzxs379fha44zdyyypbb-treefmt-check.drv