this derivation will be built:
  /nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv
building '/nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 159 files
treefmt-check> emitted 93 files for processing
treefmt-check> formatted 93 files (1 changed) in 1.884s
treefmt-check>  M packages/harvest-invoicer/tests/test_app.py
treefmt-check> diff --git a/packages/harvest-invoicer/tests/test_app.py b/packages/harvest-invoicer/tests/test_app.py
treefmt-check> index 5630e1d..50c2830 100644
treefmt-check> --- a/packages/harvest-invoicer/tests/test_app.py
treefmt-check> +++ b/packages/harvest-invoicer/tests/test_app.py
treefmt-check> @@ -1144,16 +1144,12 @@ class TestReorder:
treefmt-check>          resp = client.post("/lines/reorder", data={"order": "1,0"})
treefmt-check>          assert resp.status_code == 200
treefmt-check>          # "Code Review" (was index 1) now renders before "Backend Development"
treefmt-check> -        assert resp.data.index(b"Code Review") < resp.data.index(
treefmt-check> -            b"Backend Development"
treefmt-check> -        )
treefmt-check> +        assert resp.data.index(b"Code Review") < resp.data.index(b"Backend Development")
treefmt-check>  
treefmt-check>      def test_reorder_is_undoable(self, client: FlaskClient) -> None:
treefmt-check>          client.post("/lines/reorder", data={"order": "1,0"})
treefmt-check>          resp = client.post("/lines/undo")
treefmt-check> -        assert resp.data.index(b"Backend Development") < resp.data.index(
treefmt-check> -            b"Code Review"
treefmt-check> -        )
treefmt-check> +        assert resp.data.index(b"Backend Development") < resp.data.index(b"Code Review")
treefmt-check>  
treefmt-check>      def test_incomplete_or_bad_order_ignored(self, client: FlaskClient) -> None:
treefmt-check>          for bad in ("0", "0,0", "0,2", "a,b", ""):
error: build of '/nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one' failed: Cannot build '/nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/s8ychi1gsjvqi2cw3jqyiwfsd7lj274a-treefmt-check
       Last 25 log lines:
       > formatted 93 files (1 changed) in 1.884s
       >  M packages/harvest-invoicer/tests/test_app.py
       > diff --git a/packages/harvest-invoicer/tests/test_app.py b/packages/harvest-invoicer/tests/test_app.py
       > index 5630e1d..50c2830 100644
       > --- a/packages/harvest-invoicer/tests/test_app.py
       > +++ b/packages/harvest-invoicer/tests/test_app.py
       > @@ -1144,16 +1144,12 @@ class TestReorder:
       >          resp = client.post("/lines/reorder", data={"order": "1,0"})
       >          assert resp.status_code == 200
       >          # "Code Review" (was index 1) now renders before "Backend Development"
       > -        assert resp.data.index(b"Code Review") < resp.data.index(
       > -            b"Backend Development"
       > -        )
       > +        assert resp.data.index(b"Code Review") < resp.data.index(b"Backend Development")
       >  
       >      def test_reorder_is_undoable(self, client: FlaskClient) -> None:
       >          client.post("/lines/reorder", data={"order": "1,0"})
       >          resp = client.post("/lines/undo")
       > -        assert resp.data.index(b"Backend Development") < resp.data.index(
       > -            b"Code Review"
       > -        )
       > +        assert resp.data.index(b"Backend Development") < resp.data.index(b"Code Review")
       >  
       >      def test_incomplete_or_bad_order_ignored(self, client: FlaskClient) -> None:
       >          for bad in ("0", "0,0", "0,2", "a,b", ""):
       For full logs, run:
         nix log /nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv
error: Cannot build '/nix/store/4rgf3kmsd43vnp3vizhnspzj0418qkaj-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/s8ychi1gsjvqi2cw3jqyiwfsd7lj274a-treefmt-check