this derivation will be built:
  /nix/store/l4h8a3pshp8v74yfg43h0k7b5szi1hxx-treefmt-check.drv
building '/nix/store/l4h8a3pshp8v74yfg43h0k7b5szi1hxx-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.5.0traversed 64 files
treefmt-check> emitted 54 files for processing
treefmt-check> formatted 54 files (0 changed) in 242ms

post-build step Upload coverage to codecov: ok
Skipping codecov: project=NixOS/nix-eval-jobs attr=checks.x86_64-linux.treefmt