bug#49157: castor-0.8.16 fails to build

[bdju]

running Guix System
guix (GNU Guix) a7495b04b5c606c900ceb76202fdeb5785dea0f7
full log here: http://ix.io/3qEz
error: failed to run custom build command for `openssl-sys v0.9.60`
>This crate is only compatible with OpenSSL 1.0.1 through 1.1.1, or
>LibreSSL 2.5
>through 3.3.1, but a different version of OpenSSL was found. The build
>is now aborting
>due to this version mismatch.