this derivation will be built:
  /nix/store/snylz9mn051qalzncg5hsyfg6cwx3bvk-treefmt-check.drv
building '/nix/store/snylz9mn051qalzncg5hsyfg6cwx3bvk-treefmt-check.drv'
treefmt-check> tribuchet: building on eliza
treefmt-check> treefmt v2.5.0traversed 254 files
treefmt-check> emitted 212 files for processing
treefmt-check> formatted 212 files (1 changed) in 8.651s
treefmt-check>  M nixbot_effects/nixbot_effects/tests/test_graph.py
treefmt-check> diff --git a/nixbot_effects/nixbot_effects/tests/test_graph.py b/nixbot_effects/nixbot_effects/tests/test_graph.py
treefmt-check> index 0eea6db..ee92175 100644
treefmt-check> --- a/nixbot_effects/nixbot_effects/tests/test_graph.py
treefmt-check> +++ b/nixbot_effects/nixbot_effects/tests/test_graph.py
treefmt-check> @@ -30,4 +30,3 @@ def test_render_tree_shows_locks_and_nesting() -> None:
treefmt-check>          "    └── deploy-prod [lock: hw-lab]\n"
treefmt-check>          "notify"
treefmt-check>      )
treefmt-check> -
error: Cannot build '/nix/store/snylz9mn051qalzncg5hsyfg6cwx3bvk-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/lpnjf5fnm7qgda0bway88ds1nmbn5i9x-treefmt-check
       Last 14 log lines:
       > tribuchet: building on eliza
       > treefmt v2.5.0traversed 254 files
       > emitted 212 files for processing
       > formatted 212 files (1 changed) in 8.651s
       >  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/snylz9mn051qalzncg5hsyfg6cwx3bvk-treefmt-check.drv