these 4 derivations will be built:
  /nix/store/lj94q85dvlnpfp6y4i1m7654iyrpjjq3-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/vi07mz2z5kls6c2zrnv26m4350whz4ib-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/p6v4yb6avjzi3yyz1mh4nvag1lks6hq0-iets-release-0.2.0.drv
  /nix/store/avxmfwxr7c1jylfn4hxbv40i5p75ck5r-inputDerivation-effect-release.drv
building '/nix/store/vi07mz2z5kls6c2zrnv26m4350whz4ib-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/lj94q85dvlnpfp6y4i1m7654iyrpjjq3-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/s30a8274jn4gqxy511blrm9b8m7s3jsa-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/vi07mz2z5kls6c2zrnv26m4350whz4ib-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/vi07mz2z5kls6c2zrnv26m4350whz4ib-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/dv71xli8kbsn4c1cqbbwbn9s8fz6b5zr-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/p6v4yb6avjzi3yyz1mh4nvag1lks6hq0-iets-release-0.2.0.drv'...
building '/nix/store/avxmfwxr7c1jylfn4hxbv40i5p75ck5r-inputDerivation-effect-release.drv'...