these 3 derivations will be built:
  /nix/store/j5vjk3csm2rywn5shvkzy930yaz460zh-treefmt.toml.drv
  /nix/store/3yysqf4czrz4msk2c3z59q9vdsbz4xyf-treefmt.drv
  /nix/store/ajjw9rcr4m8ml5mfxkis014r0izsipd1-treefmt-check.drv
this path will be fetched (1.5 MiB download, 9.6 MiB unpacked):
  /nix/store/b5ax4z2bd2xcg3vrxh0w5n9kbzj5yh5v-prettier-3.9.6
building '/nix/store/j5vjk3csm2rywn5shvkzy930yaz460zh-treefmt.toml.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/j5vjk3csm2rywn5shvkzy930yaz460zh-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/3yysqf4czrz4msk2c3z59q9vdsbz4xyf-treefmt.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/3yysqf4czrz4msk2c3z59q9vdsbz4xyf-treefmt.drv'
building '/nix/store/ajjw9rcr4m8ml5mfxkis014r0izsipd1-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/ajjw9rcr4m8ml5mfxkis014r0izsipd1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 12 files
treefmt-check> emitted 8 files for processing
treefmt-check> formatted 8 files (0 changed) in 286ms

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