this derivation will be built:
  /nix/store/nqfklg4mgzk84652rnx61v6dxbdb9ssy-treefmt-check.drv
building '/nix/store/nqfklg4mgzk84652rnx61v6dxbdb9ssy-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 929 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (1 changed) in 572ms
treefmt-check>  M nix/ext/tests/site-extensions-upgrade.nix
treefmt-check> diff --git a/nix/ext/tests/site-extensions-upgrade.nix b/nix/ext/tests/site-extensions-upgrade.nix
treefmt-check> index ebe26ae..5ce37c6 100644
treefmt-check> --- a/nix/ext/tests/site-extensions-upgrade.nix
treefmt-check> +++ b/nix/ext/tests/site-extensions-upgrade.nix
treefmt-check> @@ -26,7 +26,11 @@ let
treefmt-check>      echo "default_version = '${pinnedVersion}'" > "$out/share/postgresql/extension/pgaudit.control"
treefmt-check>    '';
treefmt-check>    fakeCatalog = pkgs.pkgsLinux.writeText "pg-extensions-catalog.json" (
treefmt-check> -    builtins.toJSON { ${pinnedExtension} = { ${pinnedVersion} = "${placeholderPackage}"; }; }
treefmt-check> +    builtins.toJSON {
treefmt-check> +      ${pinnedExtension} = {
treefmt-check> +        ${pinnedVersion} = "${placeholderPackage}";
treefmt-check> +      };
treefmt-check> +    }
treefmt-check>    );
treefmt-check>  
treefmt-check>    prestartScript = pkgs.pkgsLinux.writeShellScript "postgres-prestart-site-extensions" ''
error: Cannot build '/nix/store/nqfklg4mgzk84652rnx61v6dxbdb9ssy-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/m84h8dizzahskpaar7vwz9iymckv93d7-treefmt-check
       Last 21 log lines:
       > treefmt v2.4.0traversed 929 files
       > emitted 233 files for processing
       > formatted 233 files (1 changed) in 572ms
       >  M nix/ext/tests/site-extensions-upgrade.nix
       > diff --git a/nix/ext/tests/site-extensions-upgrade.nix b/nix/ext/tests/site-extensions-upgrade.nix
       > index ebe26ae..5ce37c6 100644
       > --- a/nix/ext/tests/site-extensions-upgrade.nix
       > +++ b/nix/ext/tests/site-extensions-upgrade.nix
       > @@ -26,7 +26,11 @@ let
       >      echo "default_version = '${pinnedVersion}'" > "$out/share/postgresql/extension/pgaudit.control"
       >    '';
       >    fakeCatalog = pkgs.pkgsLinux.writeText "pg-extensions-catalog.json" (
       > -    builtins.toJSON { ${pinnedExtension} = { ${pinnedVersion} = "${placeholderPackage}"; }; }
       > +    builtins.toJSON {
       > +      ${pinnedExtension} = {
       > +        ${pinnedVersion} = "${placeholderPackage}";
       > +      };
       > +    }
       >    );
       >  
       >    prestartScript = pkgs.pkgsLinux.writeShellScript "postgres-prestart-site-extensions" ''
       For full logs, run:
         nix log /nix/store/nqfklg4mgzk84652rnx61v6dxbdb9ssy-treefmt-check.drv