this derivation will be built:
  /nix/store/jnvrk8y0gni9r22jam3i103shcmsb5jw-treefmt-check.drv
building '/nix/store/jnvrk8y0gni9r22jam3i103shcmsb5jw-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=23&system=aarch64-darwin'
building '/nix/store/jnvrk8y0gni9r22jam3i103shcmsb5jw-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building jnvrk8y0gni9r22jam3i103shcmsb5jw-treefmt-check.drv
treefmt-check> traversed 549 files
treefmt-check> emitted 372 files for processing
treefmt-check> formatted 372 files (0 changed) in 4.273s
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok