these 3 derivations will be built:
  /nix/store/dn9bgs53ihwaz43kbwlgdc66lw2q6y23-treefmt.toml.drv
  /nix/store/vkfvqi4nlh783hhdbyfkp8zxihp6vzzr-treefmt-with-config-2.6.0.drv
  /nix/store/4n48fxjzbp0pa6jqgv2kfkka8d0hxb16-treefmt-with-config-check.drv
this path will be fetched (1.1 MiB download, 2.8 MiB unpacked):
  /nix/store/mb46b64cifxnfwlafy424qcp20v7zb6w-nixfmt-rs-0.5.3
building '/nix/store/dn9bgs53ihwaz43kbwlgdc66lw2q6y23-treefmt.toml.drv'
treefmt.toml> tribuchet: building on jamie
treefmt.toml> structuredAttrs is enabled
building '/nix/store/vkfvqi4nlh783hhdbyfkp8zxihp6vzzr-treefmt-with-config-2.6.0.drv'
treefmt-with-config-2.6.0> tribuchet: building on jamie
building '/nix/store/4n48fxjzbp0pa6jqgv2kfkka8d0hxb16-treefmt-with-config-check.drv'
treefmt-with-config-check> tribuchet: building on jamie
treefmt-with-config-check> structuredAttrs is enabled
treefmt-with-config-check> Initialized empty Git repository in /build/project/.git/
treefmt-with-config-check> treefmt v2.6.0traversed 342 files
treefmt-with-config-check> emitted 273 files for processing
treefmt-with-config-check> formatted 273 files (0 changed) in 705ms
treefmt-with-config-check> On branch main
treefmt-with-config-check> nothing to commit, working tree clean

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