this derivation will be built:
  /nix/store/sl28mr835ilf5ws6y27lbws6hcx2943s-treefmt-check.drv
building '/nix/store/sl28mr835ilf5ws6y27lbws6hcx2943s-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/sl28mr835ilf5ws6y27lbws6hcx2943s-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-2c14001d: building sl28mr835ilf5ws6y27lbws6hcx2943s-treefmt-check.drv
treefmt-check> traversed 582 files
treefmt-check> emitted 389 files for processing
treefmt-check> formatted 389 files (0 changed) in 12.4s