this derivation will be built:
  /nix/store/qgxjrhij8gs92fidfy3jka4csbixj2dk-treefmt-check.drv
error: build of '/nix/store/qgxjrhij8gs92fidfy3jka4csbixj2dk-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/qgxjrhij8gs92fidfy3jka4csbixj2dk-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/b4y9649b9d3k7mkv293r43rha6s9c0j4-treefmt-check
       Last 13 log lines:
       > treefmt v2.5.0traversed 254 files
       > emitted 212 files for processing
       > formatted 212 files (1 changed) in 6.031s
       >  M nixbot_effects/nixbot_effects/tests/test_graph.py
       > diff --git a/nixbot_effects/nixbot_effects/tests/test_graph.py b/nixbot_effects/nixbot_effects/tests/test_graph.py
       > index 0eea6db..ee92175 100644
       > --- a/nixbot_effects/nixbot_effects/tests/test_graph.py
       > +++ b/nixbot_effects/nixbot_effects/tests/test_graph.py
       > @@ -30,4 +30,3 @@ def test_render_tree_shows_locks_and_nesting() -> None:
       >          "    └── deploy-prod [lock: hw-lab]\n"
       >          "notify"
       >      )
       > -
       For full logs, run:
         nix log /nix/store/qgxjrhij8gs92fidfy3jka4csbixj2dk-treefmt-check.drv
error: Cannot build '/nix/store/qgxjrhij8gs92fidfy3jka4csbixj2dk-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/b4y9649b9d3k7mkv293r43rha6s9c0j4-treefmt-check