Docker build fails with volume mount error on Windows host when buildKit is enabled.

[pratiksanglikar]

Description

docker build command fails with volume mount error output when buildKit is enabled.

Steps to reproduce the issue:

1. Make sure to have Docker version >= 19.03
2. Enable BuildKit by setting environment variable - DOCKER_BUILDKIT=1
3. Create a ASP.NET project with docker support through visual studio (Or download Sample repro project
4. Run command docker build -f "D:\source\repos\WebApplication4\WebApplication4\Dockerfile" --force-rm -t webapplication4:dev --target base "D:\source\repos\WebApplication4".
5. Check the output of the build command.

Describe the results you received:

PS C:\Users\prsangli\source\repos\WebApplication4> docker build -f "C:\Users\prsangli\source\repos\WebApplication4\WebApplication4\Dockerfile" --force-rm -t webapplication4:dev --target base  "C:\Users\prsangli\source\repos\WebApplication4"                                                                                                                                                                                                            [+] Building 0.0s (2/2) FINISHED
 => [internal] load build definition from Dockerfile                                                                                                                                                                     0.0s
 => => transferring dockerfile: 32B                                                                                                                                                                                      0.0s
 => [internal] load .dockerignore                                                                                                                                                                                        0.0s
 => => transferring context: 35B                                                                                                                                                                                         0.0s
failed to solve with frontend dockerfile.v0: failed to read dockerfile: failed to mount C:\ProgramData\Docker\tmp\buildkit-mount414087051: [{Type:bind Source:C:\ProgramData\Docker\windowsfilter\lsbbs5t6dnt8eqc4ehyv38igy Options:[rbind ro]}]: invalid windows mount type: 'bind'

Describe the results you expected:
The project builds successfully.

Additional information you deem important (e.g. issue happens only occasionally):

Output of docker version:

Client: Docker Engine - Community
 Version:           19.03.2
 API version:       1.40
 Go version:        go1.12.8
 Git commit:        6a30dfc
 Built:             Thu Aug 29 05:26:49 2019
 OS/Arch:           windows/amd64
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          19.03.2
  API version:      1.40 (minimum version 1.24)
  Go version:       go1.12.8
  Git commit:       6a30dfc
  Built:            Thu Aug 29 05:39:49 2019
  OS/Arch:          windows/amd64
  Experimental:     true

Output of docker info:

Client:
 Debug Mode: false
 Plugins:
  buildx: Build with BuildKit (Docker Inc., v0.3.0-5-g5b97415-tp-docker)
  app: Docker Application (Docker Inc., v0.8.0)

Server:
 Containers: 0
  Running: 0
  Paused: 0
  Stopped: 0
 Images: 116
 Server Version: 19.03.2
 Storage Driver: windowsfilter (windows) lcow (linux)
  Windows:
  LCOW:
 Logging Driver: json-file
 Plugins:
  Volume: local
  Network: ics l2bridge l2tunnel nat null overlay transparent
  Log: awslogs etwlogs fluentd gcplogs gelf json-file local logentries splunk syslog
 Swarm: inactive
 Default Isolation: hyperv
 Kernel Version: 10.0 18362 (18362.1.amd64fre.19h1_release.190318-1202)
 Operating System: Windows 10 Enterprise Version 1903 (OS Build 18362.418)
 OSType: windows
 Architecture: x86_64
 CPUs: 12
 Total Memory: 31.85GiB
 Name: PRSANGLI-D1
 ID: N5KU:KGSR:E2K5:YXJ5:PXT4:CJ4D:PGLN:UWEE:7EPU:ONVV:VXDY:QT4M
 Docker Root Dir: C:\ProgramData\Docker
 Debug Mode: true
  File Descriptors: -1
  Goroutines: 72
  System Time: 2019-11-12T16:21:17.2515085-08:00
  EventsListeners: 3
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: true
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false
 Product License: Community Engine

Additional environment details (AWS, VirtualBox, physical, etc.):
Physical machine.
Running docker commands through Containers Tools for Visual Studio.

[AkihiroSuda]

Windows is not supported currently