cargo rustc --release --features "datagen" -- -C target-cpu=native --emit link=Anura-B915D509 Updating crates.io index Updating git repository `https://github.com/official-monty/montyformat.git` warning: spurious network error (3 tries remaining): failed to connect to github.com: Connection timed out; class=Os (2) error: failed to get `montyformat` as a dependency of package `anura v0.2.0 (/tmp/tmpwed95der/Anura/Anura-tmp)` Caused by: failed to load source for dependency `montyformat` Caused by: Unable to update https://github.com/official-monty/montyformat.git?tag=v0.7.0#090d6481 Caused by: failed to clone into: /home/fishtest/.cargo/git/db/montyformat-4a22219da366b131 Caused by: network failure seems to have happened if a proxy or similar is necessary `net.git-fetch-with-cli` may help here https://doc.rust-lang.org/cargo/reference/config.html#netgit-fetch-with-cli Caused by: SSL error: unknown error; class=Ssl (16) make: *** [makefile:14: all] Error 101