what is even happening

```console
root@605687f28521:/work/sysroots/x86_64-ostl_sdk-linux/usr/bin# /lib64/ld-linux-x86-64.so.2 ./rustc  --print target-list
error: Error loading target specification: Could not find specification for target "x86_64-ostl_sdk-linux-gnu". Run `rustc --print target-list` for a list of built-in targets
```