kube-rs can't use empty user like Go's kubectl can

[aviramha]

Current and expected behavior

When using kube-rs over kubectl proxy kube-rs client doesn't work while kubectl does

kubectl config set-cluster testt --server=http://localhost:8001 --insecure-skip-tls-verify=true
kubectl config set-context testt --cluster=testt
kubectl config use-context testt

then run kubectl get pods (using kube-rs' kubectl example) and it will fail, while official binary works.

Error: Failed to infer configuration: failed to infer config: in-cluster: (failed to read an incluster environment variable: environment variable not found), kubeconfig: (failed to find named user: )

Caused by:
    0: failed to infer config: in-cluster: (failed to read an incluster environment variable: environment variable not found), kubeconfig: (failed to find named user: )
    1: failed to find named user: 

Related - metalbear-co/mirrord#2803

Possible solution

No response

Additional context

No response

Environment

doesn't matter

Configuration and features

No response

Affected crates

kube-client

Would you like to work on fixing this bug?

Yes