these 3 derivations will be built:
  /nix/store/5vhj17zi0s8j6yn5z55bcznb84dr670w-treefmt.toml.drv
  /nix/store/fpavznvx0z8i373793gvl0k5hcx8f954-treefmt.drv
  /nix/store/0ld1ljm864d5abn0zx01lljkq9c21ivv-nix-shell.drv
building '/nix/store/5vhj17zi0s8j6yn5z55bcznb84dr670w-treefmt.toml.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=21&system=aarch64-darwin'
building '/nix/store/5vhj17zi0s8j6yn5z55bcznb84dr670w-treefmt.toml.drv' on farm.numtide.com:50051
treefmt.toml> mac02: building 5vhj17zi0s8j6yn5z55bcznb84dr670w-treefmt.toml.drv
treefmt.toml> structuredAttrs is enabled
building '/nix/store/fpavznvx0z8i373793gvl0k5hcx8f954-treefmt.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=21&system=aarch64-darwin'
building '/nix/store/fpavznvx0z8i373793gvl0k5hcx8f954-treefmt.drv' on farm.numtide.com:50051
treefmt> mac02: building fpavznvx0z8i373793gvl0k5hcx8f954-treefmt.drv
treefmt> structuredAttrs is enabled
building '/nix/store/0ld1ljm864d5abn0zx01lljkq9c21ivv-nix-shell.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=21&system=aarch64-darwin'
building '/nix/store/0ld1ljm864d5abn0zx01lljkq9c21ivv-nix-shell.drv' on farm.numtide.com:50051
nix-shell> mac02: building 0ld1ljm864d5abn0zx01lljkq9c21ivv-nix-shell.drv
nix-shell> Sourcing python-remove-tests-dir-hook
nix-shell> Sourcing python-catch-conflicts-hook.sh
nix-shell> Sourcing python-remove-bin-bytecode-hook.sh
nix-shell> Sourcing pypa-build-hook
nix-shell> Sourcing python-runtime-deps-check-hook
nix-shell> Using pythonRuntimeDepsCheckHook
nix-shell> Sourcing pypa-install-hook
nix-shell> Using pypaInstallPhase
nix-shell> Sourcing python-imports-check-hook.sh
nix-shell> Using pythonImportsCheckPhase
nix-shell> Sourcing python-namespaces-hook
nix-shell> Sourcing python-catch-conflicts-hook.sh
nix-shell> Running phase: buildPhase

upload niks3: ok