these 4 derivations will be built:
  /nix/store/bjcyrws5yjnfz8xa94mwpdrrpqnh6g8v-iets-static-aarch64-unknown-linux-musl-0.1.0.drv
  /nix/store/m01hz1h0yrgk1g5w0dclsidb12pmjk9k-iets-static-x86_64-unknown-linux-musl-0.1.0.drv
  /nix/store/jvkz3vv1lnhypqr04x8f5hrzgam0ikdw-iets-release-0.1.0.drv
  /nix/store/a1gzd9x7dkc6zch714k0iacyx1lbqjni-inputDerivation-effect-release.drv
building '/nix/store/bjcyrws5yjnfz8xa94mwpdrrpqnh6g8v-iets-static-aarch64-unknown-linux-musl-0.1.0.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-linux'...
building '/nix/store/m01hz1h0yrgk1g5w0dclsidb12pmjk9k-iets-static-x86_64-unknown-linux-musl-0.1.0.drv'...
copying 1 paths...
copying path '/nix/store/g5i3jrn93hvfxl9ggzskzw1lmzh4ndbz-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/bjcyrws5yjnfz8xa94mwpdrrpqnh6g8v-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/bjcyrws5yjnfz8xa94mwpdrrpqnh6g8v-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/kf4f0msc85l8li86zynpgmgz1qk4my0m-iets-static-aarch64-unknown-linux-musl-0.1.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/jvkz3vv1lnhypqr04x8f5hrzgam0ikdw-iets-release-0.1.0.drv'...
building '/nix/store/a1gzd9x7dkc6zch714k0iacyx1lbqjni-inputDerivation-effect-release.drv'...