cannot run examples/dockerfile2llb/main.go with http registry.

[XenoAmess]

sudo vim ~/.config/buildkit/buildkitd.toml

[worker.oci]
  env = [
    "HTTP_PROXY=http://192.168.8.9:10809",
    "HTTPS_PROXY=http://192.168.8.9:10809",
    "NO_PROXY=localhost,127.0.0.1,.internal,192.168.8.9"
  ]
[registry."192.168.8.9:8911"]
  http = true

FROM  192.168.8.9:8911/nginx:latest
COPY /gop-frontend/dist /usr/share/nginx/html
COPY docs/ /usr/share/nginx/html/gop/gop-helpdoc/
EXPOSE 80

then run examples/dockerfile2llb/main.go

error:

GOROOT=/usr/lib/go-1.24 #gosetup
GOPATH=/home/xenoamess/go #gosetup
GONOPROXY= #gosetup
/usr/lib/go-1.24/bin/go build -o /home/xenoamess/.cache/JetBrains/GoLand2025.1/tmp/GoLand/___1go_build_main_go__1_ /home/xenoamess/workspace/buildkit/examples/dockerfile2llb/main.go #gosetup
/home/xenoamess/.cache/JetBrains/GoLand2025.1/tmp/GoLand/___1go_build_main_go__1_ #gosetup
time="2025-08-05T16:07:02+08:00" level=info msg="fetch failed" error="failed to do request: Head \"https://192.168.8.9:8911/v2/nginx/manifests/latest\": http: server gave HTTP response to HTTPS client" span="resolving 192.168.8.9:8911/nginx:latest"
time="2025-08-05T16:07:02+08:00" level=fatal msg="192.168.8.9:8911/nginx:latest: failed to do request: Head \"https://192.168.8.9:8911/v2/nginx/manifests/latest\": http: server gave HTTP response to HTTPS client"