this derivation will be built:
  /nix/store/mw1i78cv7ia90nynlclvi2ykrq41362g-nix-shell.drv
this path will be fetched (8.2 MiB download, 68.6 MiB unpacked):
  /nix/store/b3g622hyfcczd99fpghjlrk37fflx2xr-rust-lib-src
building '/nix/store/mw1i78cv7ia90nynlclvi2ykrq41362g-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=20&system=aarch64-darwin'
building '/nix/store/mw1i78cv7ia90nynlclvi2ykrq41362g-nix-shell.drv' on farm.numtide.com:50051
nix-shell> mac02: building mw1i78cv7ia90nynlclvi2ykrq41362g-nix-shell.drv
nix-shell> Running phase: buildPhase

upload niks3: ok