$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-serde.git /var/lib/mock/f40-build-2249446-53997/root/chroot_tmpdir/scmroot/rust-tokio-serde
Cloning into '/var/lib/mock/f40-build-2249446-53997/root/chroot_tmpdir/scmroot/rust-tokio-serde'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/rust-tokio-serde.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443