these 4 derivations will be built:
  /nix/store/99b0255vj667gs0wym3zm62zpwnnmrq9-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/v4y265c1sdrhhacjiz6whdwy7n55yz8b-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/zm0x5mpg9y9wm7xxx5dx4c9bpcrz1x3s-iets-release-0.2.0.drv
  /nix/store/rahrcb12z2lhpmv6mpynfgngwvw3f1ny-inputDerivation-effect-release.drv
building '/nix/store/99b0255vj667gs0wym3zm62zpwnnmrq9-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
building '/nix/store/v4y265c1sdrhhacjiz6whdwy7n55yz8b-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
copying 1 paths...
copying path '/nix/store/acpbxz0ckf8br4wvx1mzhnwpyyf3jyn7-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/v4y265c1sdrhhacjiz6whdwy7n55yz8b-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/v4y265c1sdrhhacjiz6whdwy7n55yz8b-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/mb7ab9gr5z2vxw2fp57mxx49mxvizl9g-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/zm0x5mpg9y9wm7xxx5dx4c9bpcrz1x3s-iets-release-0.2.0.drv'...
building '/nix/store/rahrcb12z2lhpmv6mpynfgngwvw3f1ny-inputDerivation-effect-release.drv'...