this derivation will be built:
  /nix/store/6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv
building '/nix/store/6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-darwin'
6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv: mac02: not scheduled here: 6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv, asking the scheduler again
building '/nix/store/6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building 6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 491 files
treefmt-check> emitted 303 files for processing
treefmt-check> formatted 303 files (0 changed) in 402ms

upload niks3: ok