Starting download of /gnu/store/7pnr4fr5lnrwnxas3vj6a5qiwqrazlf6-rust-error-chain-0.12.2.tar.gz From https://crates.io/api/v1/crates/error-chain/0.12.2/download... following redirection to `https://static.crates.io/crates/error-chain/error-chain-0.12.2.crate'...  download 29KiB +nan.0TiB/s 00:00 [ ] 0.0%  download 29KiB 2.8MiB/s 00:00 [##################] 100.0%  download 29KiB 2.8MiB/s 00:00 [##################] 100.0%