these 3 derivations will be built:
  /nix/store/h0bm4xvfqi3kvw2qfrwl99gd82n1ssqk-treefmt.toml.drv
  /nix/store/l6m2jzhksn8rira6qzxi4qlavq2mphr4-treefmt.drv
  /nix/store/0xzzwygccm7g3bngwilbv82ggqwpj2pd-treefmt-check.drv
building '/nix/store/h0bm4xvfqi3kvw2qfrwl99gd82n1ssqk-treefmt.toml.drv'
treefmt.toml> tribuchet: building on jamie
treefmt.toml> structuredAttrs is enabled
building '/nix/store/l6m2jzhksn8rira6qzxi4qlavq2mphr4-treefmt.drv'
treefmt> tribuchet: building on jamie
treefmt> structuredAttrs is enabled
building '/nix/store/0xzzwygccm7g3bngwilbv82ggqwpj2pd-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.6.0traversed 55 files
treefmt-check> emitted 41 files for processing
treefmt-check> formatted 41 files (0 changed) in 188ms

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/nix-fast-build attr=checks.x86_64-linux.treefmt