cargo rustc --release --features "datagen" -- -C target-cpu=native --emit link=Anura-B915D509 Downloading crates ... warning: spurious network error (3 tries remaining): [28] Timeout was reached (failed to download any data for `libc v0.2.174` within 30s) warning: spurious network error (2 tries remaining): [28] Timeout was reached (failed to download any data for `libc v0.2.174` within 30s) warning: spurious network error (1 tries remaining): [28] Timeout was reached (failed to download any data for `libc v0.2.174` within 30s) error: failed to download from `https://static.crates.io/crates/libc/0.2.174/download` Caused by: [28] Timeout was reached (failed to download any data for `libc v0.2.174` within 30s) make: *** [makefile:14: all] Error 101