minio auth failed

[clojurians-org]

i start a minio server, and use rusoto to call it, it response 403.

[hadoop@apex-dev-dcme-01 data-engine-0.2.0-bin]$ export MINIO_ACCESS_KEY=chinapex
[hadoop@apex-dev-dcme-01 data-engine-0.2.0-bin]$ export MINIO_SECRET_KEY=chinapex
[hadoop@apex-dev-dcme-01 data-engine-0.2.0-bin]$ ../back-end-data-serv-static/linux/minio-20210116  server .

┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ You are running an older version of MinIO released 11 months ago ┃
┃ Update: Run `mc admin update`                                    ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛

Endpoint: http://10.25.21.40:9000  http://172.17.0.1:9000  http://172.18.0.1:9000  http://127.0.0.1:9000
RootUser: chinapex
RootPass: chinapex

Browser Access:
   http://10.25.21.40:9000  http://172.17.0.1:9000  http://172.18.0.1:9000  http://127.0.0.1:9000

Command-line Access: https://docs.min.io/docs/minio-client-quickstart-guide
   $ mc alias set myminio http://10.25.21.40:9000 chinapex chinapex

Object API (Amazon S3 compatible):
   Go:         https://docs.min.io/docs/golang-client-quickstart-guide
   Java:       https://docs.min.io/docs/java-client-quickstart-guide
   Python:     https://docs.min.io/docs/python-client-quickstart-guide
   JavaScript: https://docs.min.io/docs/javascript-client-quickstart-guide
   .NET:       https://docs.min.io/docs/dotnet-client-quickstart-guide

use rusoto_s3::{S3Client, S3, HeadBucketRequest} ;
use rusoto_core::Region ;
use rusoto_credential::{AwsCredentials, StaticProvider} ;

#[tokio::main]
async fn main() {
    let client = rusoto_core::request::HttpClient::new().expect("Failed to creat HTTP client") ;
    let region =  Region::Custom {
        name: "us-east-1".to_string(),
        endpoint: "http://10.25.21.40:9000".to_string()
    } ;
    let creds = StaticProvider::new_minimal("chinapex".to_string(), "chinapex".to_string()) ;
    let client = S3Client::new_with(client, creds, region) ;
    let resp = client
        .head_bucket(HeadBucketRequest {
            bucket: "larluo".to_string(),
            expected_bucket_owner: None,
        }).await ;
    println!("return: {:?}", resp) ;
    println!("finished!");
}

[larluo@larluo-centos8 minio-client-rust]$ cargo run
   Compiling minio-client-rust v0.1.0 (/home/larluo/my-work/my-repo/back-end-data-serv/data-client/proxy-client-http/minio-client-rust)
warning: unused import: `AwsCredentials`
 --> src/main.rs:4:25
  |
4 | use rusoto_credential::{AwsCredentials, StaticProvider} ;
  |                         ^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: 1 warning emitted

    Finished dev [unoptimized + debuginfo] target(s) in 5.64s
     Running `target/debug/minio-client-rust`
return: Err(Unknown(BufferedHttpResponse {status: 403, body: "", headers: {"accept-ranges": "bytes", "content-length": "289", "content-type": "
application/xml", "server": "MinIO", "vary": "Origin", "date": "Wed, 12 Jan 2022 10:00:43 GMT"} }))
finished!

[boul2gom]

I got exactly the same error, in same context but with a 400 instead of 403 response code. Btw I think MinIO simply doesnt support head bucket/objects requests, like said here