this derivation will be built:
  /nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-treefmt-check.drv
building '/nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-treefmt-check.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-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 86ms
treefmt-check>  M tests/conftest.py
treefmt-check> diff --git a/tests/conftest.py b/tests/conftest.py
treefmt-check> index 8b8fb82..f01b585 100644
treefmt-check> --- a/tests/conftest.py
treefmt-check> +++ b/tests/conftest.py
treefmt-check> @@ -182,7 +182,9 @@ class Helpers:
treefmt-check>      @staticmethod
treefmt-check>      def assert_built(path: str, *pkg_names: str) -> None:
treefmt-check>          report = Helpers.load_report(path)
treefmt-check> -        assert {attr["name"] for attr in report["result"][current_system()]["built"]} == {*pkg_names}
treefmt-check> +        assert {
treefmt-check> +            attr["name"] for attr in report["result"][current_system()]["built"]
treefmt-check> +        } == {*pkg_names}
treefmt-check>  
treefmt-check>      @staticmethod
treefmt-check>      @contextmanager
error: build of '/nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-treefmt-check.drv' on 'ssh-ng://nix@eliza' failed: Cannot build '/nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1ps48bbx15nrx552af8j2n951wybzamz-treefmt-check
       Last 19 log lines:
       > treefmt v2.5.0traversed 62 files
       > emitted 46 files for processing
       > formatted 46 files (1 changed) in 86ms
       >  M tests/conftest.py
       > diff --git a/tests/conftest.py b/tests/conftest.py
       > index 8b8fb82..f01b585 100644
       > --- a/tests/conftest.py
       > +++ b/tests/conftest.py
       > @@ -182,7 +182,9 @@ class Helpers:
       >      @staticmethod
       >      def assert_built(path: str, *pkg_names: str) -> None:
       >          report = Helpers.load_report(path)
       > -        assert {attr["name"] for attr in report["result"][current_system()]["built"]} == {*pkg_names}
       > +        assert {
       > +            attr["name"] for attr in report["result"][current_system()]["built"]
       > +        } == {*pkg_names}
       >  
       >      @staticmethod
       >      @contextmanager
       For full logs, run:
         nix log /nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-treefmt-check.drv
error: Cannot build '/nix/store/00qym0xll1l3drxmqv1xw5ccmdjhh1s0-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1ps48bbx15nrx552af8j2n951wybzamz-treefmt-check