this derivation will be built:
  /nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv
building '/nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 241 files
treefmt-check> emitted 201 files for processing
treefmt-check> formatted 201 files (1 changed) in 730ms
treefmt-check>  M nixbot/nixbot/tests/test_executor.py
treefmt-check> diff --git a/nixbot/nixbot/tests/test_executor.py b/nixbot/nixbot/tests/test_executor.py
treefmt-check> index 78ea11d..ca233e0 100644
treefmt-check> --- a/nixbot/nixbot/tests/test_executor.py
treefmt-check> +++ b/nixbot/nixbot/tests/test_executor.py
treefmt-check> @@ -16,6 +16,7 @@ from typing import TYPE_CHECKING
treefmt-check>  import pytest
treefmt-check>  
treefmt-check>  import nixbot.executor as executor_mod
treefmt-check> +from nixbot.ansi import strip_ansi
treefmt-check>  from nixbot.build_scheduler import BuildOutcome
treefmt-check>  from nixbot.executor import (
treefmt-check>      FRAME_FLUSH_THRESHOLD,
treefmt-check> @@ -31,7 +32,6 @@ from nixbot.executor import (
treefmt-check>      read_log,
treefmt-check>      render_log_event,
treefmt-check>  )
treefmt-check> -from nixbot.ansi import strip_ansi
treefmt-check>  
treefmt-check>  from .support import mk_job
treefmt-check>  
error: build of '/nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vl8vfydy0q3wv96aqprm2va06li3hy25-treefmt-check
       Last 24 log lines:
       > treefmt v2.5.0traversed 241 files
       > emitted 201 files for processing
       > formatted 201 files (1 changed) in 730ms
       >  M nixbot/nixbot/tests/test_executor.py
       > diff --git a/nixbot/nixbot/tests/test_executor.py b/nixbot/nixbot/tests/test_executor.py
       > index 78ea11d..ca233e0 100644
       > --- a/nixbot/nixbot/tests/test_executor.py
       > +++ b/nixbot/nixbot/tests/test_executor.py
       > @@ -16,6 +16,7 @@ from typing import TYPE_CHECKING
       >  import pytest
       >  
       >  import nixbot.executor as executor_mod
       > +from nixbot.ansi import strip_ansi
       >  from nixbot.build_scheduler import BuildOutcome
       >  from nixbot.executor import (
       >      FRAME_FLUSH_THRESHOLD,
       > @@ -31,7 +32,6 @@ from nixbot.executor import (
       >      read_log,
       >      render_log_event,
       >  )
       > -from nixbot.ansi import strip_ansi
       >  
       >  from .support import mk_job
       >  
       For full logs, run:
         nix log /nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv
error: Cannot build '/nix/store/vb1ljahd12abmg7hilaa0gya2yb73z61-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vl8vfydy0q3wv96aqprm2va06li3hy25-treefmt-check