this derivation will be built:
  /nix/store/j319r9mhbn8n0kjq8vbjjz7adj3lpjha-treefmt-check.drv
building '/nix/store/j319r9mhbn8n0kjq8vbjjz7adj3lpjha-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.5.0traversed 98 files
treefmt-check> emitted 90 files for processing
treefmt-check> formatted 90 files (0 changed) in 9.791s

post-build step Upload coverage to codecov: ok
Skipping codecov: project=nix-community/buildbot-nix attr=default.checks.treefmt