these 4 derivations will be built:
  /nix/store/1klhfrar2gpysa056agsvhj5yy1rd7nz-mdsh.drv
  /nix/store/mbnab8s2nk2xclhm98lcj9m0knms02af-treefmt.toml.drv
  /nix/store/mrw9fs4lfc1a9mc814az68yfrrk7q3gy-treefmt.drv
  /nix/store/zm2i2pbv0sl31n7wcyfbha7ilmlaq2fs-treefmt-check.drv
these 2 paths will be fetched (2.6 MiB download, 12.9 MiB unpacked):
  /nix/store/v3z2r0hd15njdk2s7lp8dgk8xj98b9pq-mdsh-0.9.2
  /nix/store/adglp5sp9z99rvk57bp9fn5k3ha7pq42-prettier-3.9.6
building '/nix/store/1klhfrar2gpysa056agsvhj5yy1rd7nz-mdsh.drv'
mdsh> tribuchet: building on jamie
building '/nix/store/mbnab8s2nk2xclhm98lcj9m0knms02af-treefmt.toml.drv'
treefmt.toml> tribuchet: building on jamie
treefmt.toml> structuredAttrs is enabled
building '/nix/store/mrw9fs4lfc1a9mc814az68yfrrk7q3gy-treefmt.drv'
treefmt> tribuchet: building on jamie
building '/nix/store/zm2i2pbv0sl31n7wcyfbha7ilmlaq2fs-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.5.0traversed 12 files
treefmt-check> emitted 8 files for processing
treefmt-check> formatted 8 files (0 changed) in 237ms

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