this derivation will be built:
  /nix/store/6397nq91b3ws4nj2akhndw5mc7626byr-treefmt-check.drv
building '/nix/store/6397nq91b3ws4nj2akhndw5mc7626byr-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 67 files
treefmt-check> emitted 64 files for processing
treefmt-check> formatted 64 files (1 changed) in 414ms
treefmt-check>  M clanServices/dvt/tests/cl/grandine.nix
treefmt-check> diff --git a/clanServices/dvt/tests/cl/grandine.nix b/clanServices/dvt/tests/cl/grandine.nix
treefmt-check> index be1b613..ef519f1 100644
treefmt-check> --- a/clanServices/dvt/tests/cl/grandine.nix
treefmt-check> +++ b/clanServices/dvt/tests/cl/grandine.nix
treefmt-check> @@ -126,9 +126,11 @@ in
treefmt-check>          # Grandine requires bootstrap_nodes.txt in --configuration-directory for
treefmt-check>          # --network custom. An empty file is sufficient for a devnet with no
treefmt-check>          # bootstrap peers.
treefmt-check> -        (toString (pkgs.writeShellScript "${serviceName}-bootstrap-nodes" ''
treefmt-check> -          touch "${genesisDir}/bootstrap_nodes.txt"
treefmt-check> -        ''))
treefmt-check> +        (toString (
treefmt-check> +          pkgs.writeShellScript "${serviceName}-bootstrap-nodes" ''
treefmt-check> +            touch "${genesisDir}/bootstrap_nodes.txt"
treefmt-check> +          ''
treefmt-check> +        ))
treefmt-check>        ];
treefmt-check>      };
treefmt-check>  }
error: Cannot build '/nix/store/6397nq91b3ws4nj2akhndw5mc7626byr-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/lxas0rh782d7p2ihk136fhz0xb8axnz4-treefmt-check
       Last 23 log lines:
       > treefmt v2.5.0traversed 67 files
       > emitted 64 files for processing
       > formatted 64 files (1 changed) in 414ms
       >  M clanServices/dvt/tests/cl/grandine.nix
       > diff --git a/clanServices/dvt/tests/cl/grandine.nix b/clanServices/dvt/tests/cl/grandine.nix
       > index be1b613..ef519f1 100644
       > --- a/clanServices/dvt/tests/cl/grandine.nix
       > +++ b/clanServices/dvt/tests/cl/grandine.nix
       > @@ -126,9 +126,11 @@ in
       >          # Grandine requires bootstrap_nodes.txt in --configuration-directory for
       >          # --network custom. An empty file is sufficient for a devnet with no
       >          # bootstrap peers.
       > -        (toString (pkgs.writeShellScript "${serviceName}-bootstrap-nodes" ''
       > -          touch "${genesisDir}/bootstrap_nodes.txt"
       > -        ''))
       > +        (toString (
       > +          pkgs.writeShellScript "${serviceName}-bootstrap-nodes" ''
       > +            touch "${genesisDir}/bootstrap_nodes.txt"
       > +          ''
       > +        ))
       >        ];
       >      };
       >  }
       For full logs, run:
         nix log /nix/store/6397nq91b3ws4nj2akhndw5mc7626byr-treefmt-check.drv