moby: COPY / The system cannot find the file specified.

I can’t build image Always this error, and if I call docker-compose same.

docker build -t tagname .

Sending build context to Docker daemon  3.584kB
Step 1/6 : FROM microsoft/aspnetcore:2.0
 ---> 7789f525cb73
Step 2/6 : ARG source
 ---> Using cache
 ---> 9072545d21be
Step 3/6 : WORKDIR /app
 ---> Using cache
 ---> 1d8395c9a508
Step 4/6 : EXPOSE 80
 ---> Using cache
 ---> 748b65344910
**Step 5/6 : COPY ${source:-obj/Docker/publish} .
COPY failed: GetFileAttributesEx \\?\C:\Windows\TEMP\docker-builder460102490\obj\Docker\publish: The system cannot find the file specified.**

DockerFile
FROM microsoft/aspnetcore:2.0
ARG source
WORKDIR /app
EXPOSE 80
COPY ${source:-obj/Docker/publish} .
ENTRYPOINT ["dotnet", "docker-example.dll"]

docker version
Client:
 Version:      17.06.2-ce
 API version:  1.30
 Go version:   go1.8.3
 Git commit:   cec0b72
 Built:        Tue Sep  5 19:57:19 2017
 OS/Arch:      windows/amd64

Server:
 Version:      17.06.2-ce
 API version:  1.30 (minimum version 1.24)
 Go version:   go1.8.3
 Git commit:   cec0b72
 Built:        Tue Sep  5 19:59:47 2017
 OS/Arch:      windows/amd64
 Experimental: true

docker version

Client:
 Version:      17.06.2-ce
 API version:  1.30
 Go version:   go1.8.3
 Git commit:   cec0b72
 Built:        Tue Sep  5 19:57:19 2017
 OS/Arch:      windows/amd64

Server:
 Version:      17.06.2-ce
 API version:  1.30 (minimum version 1.24)
 Go version:   go1.8.3
 Git commit:   cec0b72
 Built:        Tue Sep  5 19:59:47 2017
 OS/Arch:      windows/amd64
 Experimental: true

D:\docker-example\docker-example>docker info
Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 5
Server Version: 17.06.2-ce
Storage Driver: windowsfilter
 Windows:
Logging Driver: json-file
Plugins:
 Volume: local
 Network: l2bridge l2tunnel nat null overlay transparent
 Log: awslogs etwlogs fluentd json-file logentries splunk syslog
Swarm: inactive
Default Isolation: hyperv
Kernel Version: 10.0 15063 (15063.0.amd64fre.rs2_release.170317-1834)
Operating System: Windows 10 Pro
OSType: windows
Architecture: x86_64
CPUs: 12
Total Memory: 15.95GiB
Name: A-STARKOU
ID: 5LPB:CED6:FAN5:OYGT:6GTO:ZA3T:F2XQ:DNIS:KAIJ:LXCI:S26L:DB3N
Docker Root Dir: C:\ProgramData\Docker
Debug Mode (client): false
Debug Mode (server): true
 File Descriptors: -1
 Goroutines: 24
 System Time: 2017-09-19T17:39:08.3799151+03:00
 EventsListeners: 0
Registry: https://index.docker.io/v1/
Experimental: true
Insecure Registries:
 127.0.0.0/8
Live Restore Enabled: false