==> Downloading https://homebrew.bintray.com/bottles-portable/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz
Already downloaded: /Users/XXXXXXXXXX/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz
SHA.c: loadable library and perl binaries are mismatched (got handshake key 0xd880080, needed 0xdb00080)
Error: Checksum mismatch.
Expected: 34ce9e4c9c1be28db564d744165aa29291426f8a3d2ef806ba4f0b9175aedb2b
Actual:
Archive: /Users/XXXXXXXXXX/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz
To retry an incomplete download, remove the file above.
Error: Failed to install vendor Ruby.
/Users/XXXXXXXXXX/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gzを削除しても解消しない。
追記
dyld: lazy symbol binding failed: Symbol not found: _Perl_xs_handshake
Referenced from: /Users/xxxxxxxxx/perl5/lib/perl5/darwin-thread-multi-2level/auto/Digest/SHA/SHA.bundle
Expected in: flat namespacedyld: Symbol not found: _Perl_xs_handshake
Referenced from: /Users/xxxxxxxx/perl5/lib/perl5/darwin-thread-multi-2level/auto/Digest/SHA/SHA.bundle
Expected in: flat namespace
追記 2017/12/08
下記URLを参考に解消しました
https://blog.kazu69.net/2017/10/20/filter_environment_variables_brew/