pin
I made sure I pulled down the latest wip before posting that comment....
$ cd pkgsrc/wip && git pull -r
Already up to date.
$ cat pkgsrc/wip/rust/distinfo
...
BLAKE2s (rust-1.55.0-aarch64-unknown-netbsd.tar.gz) = 034fd6c1c0c88ad8e9c6e769c3e0b9d5f9c493e994abf73cb9943510dcbf9870
SHA512 (rust-1.55.0-aarch64-unknown-netbsd.tar.gz) = aad82847c5625893c6e4dda58cb96061df724963648f4d1f5d5953cc79c22fbccef614dc197028100e0f64dc55e92b068610860d85e13abfe35abd41a21dd5a6
Size (rust-1.55.0-aarch64-unknown-netbsd.tar.gz) = 235786139 bytes
BLAKE2s (rust-1.55.0-aarch64_be-unknown-netbsd.tar.gz) = 54893db0f58f2802ac29573118270ccb95d96f6b3ce447cf70f721a33fc86529
SHA512 (rust-1.55.0-aarch64_be-unknown-netbsd.tar.gz) = bf0597cf3d3c58e72c38b159c8192ea354b8ada1dc3e539d193414bda3b7eff2a33ed998d75d9fac8db86ed1e6427f6b1da562b833bd3657fc707271e6e71226
Size (rust-1.55.0-aarch64_be-unknown-netbsd.tar.gz) = 239876743 bytes
...
~ $ grep rust-1.56 pkgsrc/wip/rust/distinfo
~ $ grep rustc-1.56 pkgsrc/wip/rust/distinfo
BLAKE2s (rustc-1.56.1-src.tar.gz) = 73705e205c841547fa3549070c7b76ab70c7c95db121124eafed21819e5672d4
SHA512 (rustc-1.56.1-src.tar.gz) = 0bd2980ae7cca126c6f045905100550c056a1c1cb91e0b79efab85f3f134f34ee9d286c51328976192799d44ff4323640c828bb984c59b332eaf861feb8ea722
Size (rustc-1.56.1-src.tar.gz) = 179961977 bytes
&
$ cd pkgsrc && cvs up -dP
...
$ grep rust-1.56 pkgsrc/lang/rust/distinfo
$
So I'm guessing that it's the rustc
version I'm looking for?