these 3 derivations will be built:
  /nix/store/cy21ybbgyacws1vpnq6p1hiilg64i7id-treefmt.toml.drv
  /nix/store/cnckkfzsplm0jzd7f44lbb87q9b291hr-treefmt.drv
  /nix/store/igxklhh62rf928fxlyh59lid85jrjrq3-treefmt-check.drv
this path will be fetched (1.3 MiB download, 3.0 MiB unpacked):
  /nix/store/qjl74wm724zh81jsjsvgsw2bslwwinl7-gofumpt-0.12.0