error: unknown print request `host-tuple`. Valid print requests are: `crate-name`, `file-names`, `sysroot`, `target-libdir`, `cfg`, `calling-conventions`, `target-list`, `target-cpus`, `target-features`, `relocation-models`, `code-models`, `tls-models`, `native-static-libs`, `stack-protector-strategies`, `target-spec-json`, `all-target-specs-json`, `link-args`, `split-debuginfo`, `deployment-target` cargo rustc --release -- -C target-cpu=native --emit link=Anura-37795E83 Updating git repository `https://github.com/official-monty/montyformat.git` error: failed to get `montyformat` as a dependency of package `anura v0.2.0 (/tmp/tmpj1zh6f5w/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 fetch 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:17: all] Error 101