these 3 derivations will be built:
  /nix/store/ynlw4mkrq7s61j22fmkgdlg5yq922x31-treefmt.toml.drv
  /nix/store/zr57486b842d99aiyw7aan89aizyigqz-treefmt.drv
  /nix/store/4cnc2la423r3da4p9nyjvjwvpx1iwjmn-treefmt-check.drv
these 2 paths will be fetched (14.5 MiB download, 71.0 MiB unpacked):
  /nix/store/m7qns7c685ipighxx60bry03pz27kll7-nixfmt-rs-0.5.3
  /nix/store/802sq8z3s7qwbh0f6z3bwyawsllyqkv4-python3.14-mypy-2.1.0
building '/nix/store/ynlw4mkrq7s61j22fmkgdlg5yq922x31-treefmt.toml.drv'
treefmt.toml> tribuchet: building on mac02
treefmt.toml> structuredAttrs is enabled
building '/nix/store/zr57486b842d99aiyw7aan89aizyigqz-treefmt.drv'
treefmt> tribuchet: building on mac02
treefmt> structuredAttrs is enabled
building '/nix/store/4cnc2la423r3da4p9nyjvjwvpx1iwjmn-treefmt-check.drv'
treefmt-check> tribuchet: building on mac02
treefmt-check> treefmt v2.6.0traversed 55 files
treefmt-check> emitted 41 files for processing
treefmt-check> formatted 41 files (0 changed) in 1.944s

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/nix-fast-build attr=checks.aarch64-darwin.treefmt