these 3 derivations will be built:
  /nix/store/2ph0f549mczfs1aix3mwkfc1x14nsx3a-treefmt.toml.drv
  /nix/store/2l60msfd226flz1xk85mrfhwk0gg7fyy-treefmt.drv
  /nix/store/vywq7q62lihqn8hnvjmrhbc56zynjdag-treefmt-check.drv
building '/nix/store/2ph0f549mczfs1aix3mwkfc1x14nsx3a-treefmt.toml.drv'
treefmt.toml> tribuchet: building on mac02
treefmt.toml> structuredAttrs is enabled
building '/nix/store/2l60msfd226flz1xk85mrfhwk0gg7fyy-treefmt.drv'
treefmt> tribuchet: building on mac02
treefmt> structuredAttrs is enabled
building '/nix/store/vywq7q62lihqn8hnvjmrhbc56zynjdag-treefmt-check.drv'
treefmt-check> tribuchet: building on mac02
treefmt-check> treefmt v2.6.0traversed 55 files
treefmt-check> emitted 32 files for processing
treefmt-check> formatted 32 files (0 changed) in 1.585s

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