these 4 derivations will be built:
  /nix/store/ppcjzfw8p65wn6x7hd7km3gg0bkk8vq4-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/vqsir8mjpxgmygqs7rz6mzjaj9rkxm1x-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/c18rnwhppsghnqslvv1s53kwzdksw0pl-iets-release-0.2.0.drv
  /nix/store/lv71njpv3iy7arv8i9107ihns7w1rby1-inputDerivation-effect-release.drv
building '/nix/store/vqsir8mjpxgmygqs7rz6mzjaj9rkxm1x-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/ppcjzfw8p65wn6x7hd7km3gg0bkk8vq4-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/pawxkv67zdp66a4ldblwi4p3gvwpxfzh-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/vqsir8mjpxgmygqs7rz6mzjaj9rkxm1x-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/vqsir8mjpxgmygqs7rz6mzjaj9rkxm1x-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/7hx26q7m6gqwdmmq89dzhr2pdyqmkpdj-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/c18rnwhppsghnqslvv1s53kwzdksw0pl-iets-release-0.2.0.drv'...
building '/nix/store/lv71njpv3iy7arv8i9107ihns7w1rby1-inputDerivation-effect-release.drv'...