this derivation will be built:
  /nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv
building '/nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 62 files
treefmt-check> emitted 46 files for processing
treefmt-check> formatted 46 files (1 changed) in 2.9s
treefmt-check>  M default.nix
treefmt-check> diff --git a/default.nix b/default.nix
treefmt-check> index bf876c1..ef4d953 100644
treefmt-check> --- a/default.nix
treefmt-check> +++ b/default.nix
treefmt-check> @@ -61,7 +61,9 @@ python3Packages.buildPythonApplication {
treefmt-check>    checkPhase = ''
treefmt-check>      # Set up test dependencies
treefmt-check>      export TEST_BASH_PATH="${if stdenv.hostPlatform.isLinux then pkgsStatic.bash else bash}"
treefmt-check> -    export TEST_COREUTILS_PATH="${if stdenv.hostPlatform.isLinux then pkgsStatic.coreutils else coreutils}"
treefmt-check> +    export TEST_COREUTILS_PATH="${
treefmt-check> +      if stdenv.hostPlatform.isLinux then pkgsStatic.coreutils else coreutils
treefmt-check> +    }"
treefmt-check>      export TEST_NIXPKGS_PATH="${path}"
treefmt-check>  
treefmt-check>      # Run tests
error: build of '/nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5sn5jb1a4yr3d7941gp9mjlhs9j4ibbs-treefmt-check
       Last 19 log lines:
       > treefmt v2.5.0traversed 62 files
       > emitted 46 files for processing
       > formatted 46 files (1 changed) in 2.9s
       >  M default.nix
       > diff --git a/default.nix b/default.nix
       > index bf876c1..ef4d953 100644
       > --- a/default.nix
       > +++ b/default.nix
       > @@ -61,7 +61,9 @@ python3Packages.buildPythonApplication {
       >    checkPhase = ''
       >      # Set up test dependencies
       >      export TEST_BASH_PATH="${if stdenv.hostPlatform.isLinux then pkgsStatic.bash else bash}"
       > -    export TEST_COREUTILS_PATH="${if stdenv.hostPlatform.isLinux then pkgsStatic.coreutils else coreutils}"
       > +    export TEST_COREUTILS_PATH="${
       > +      if stdenv.hostPlatform.isLinux then pkgsStatic.coreutils else coreutils
       > +    }"
       >      export TEST_NIXPKGS_PATH="${path}"
       >  
       >      # Run tests
       For full logs, run:
         nix log /nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv
error: Cannot build '/nix/store/r93hgg1hinldmbi4lgjgn7pamvvcc1cl-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5sn5jb1a4yr3d7941gp9mjlhs9j4ibbs-treefmt-check