this derivation will be built:
  /nix/store/7ag7hb803m56qkm57zlz2z7id691lm9x-treefmt-check.drv
building '/nix/store/7ag7hb803m56qkm57zlz2z7id691lm9x-treefmt-check.drv'
treefmt-check> ERROR: Unable to locate the projectRootFile (flake.nix) in any of: '/build' '/'
treefmt-check> treefmt 0.5.0
treefmt-check> hint: Using 'master' as the name for the initial branch. This default branch name
treefmt-check> hint: is subject to change. To configure the initial branch name to use in all
treefmt-check> hint: of your new repositories, which will suppress this warning, call:
treefmt-check> hint: 
treefmt-check> hint: 	git config --global init.defaultBranch <name>
treefmt-check> hint: 
treefmt-check> hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
treefmt-check> hint: 'development'. The just-created branch can be renamed via this command:
treefmt-check> hint: 
treefmt-check> hint: 	git branch -m <name>
treefmt-check> Initialized empty Git repository in /build/project/.git/
treefmt-check> [master (root-commit) 8a3294c] init
treefmt-check>  5 files changed, 323 insertions(+)
treefmt-check>  create mode 100644 LICENSE
treefmt-check>  create mode 100644 README.md
treefmt-check>  create mode 100644 flake.lock
treefmt-check>  create mode 100644 flake.nix
treefmt-check>  create mode 100644 go.mod
treefmt-check> [INFO]: #nixpkgs-fmt: 1 files processed in 25.08ms
treefmt-check> 
treefmt-check> traversed 5 files
treefmt-check> matched 1 files to formatters
treefmt-check> left with 1 files after cache
treefmt-check> of whom 0 files were re-formatted
treefmt-check> all of this in 36ms
treefmt-check>         
treefmt-check> On branch master
treefmt-check> nothing to commit, working tree clean

upload niks3: ok