Fixed Docker build. #4

Job	Run time
Building tools for aarch64-unknown-linux-gnu on ubuntu20.04	1h 22m 32s
Building tools for aarch64-unknown-linux-gnu on ubuntu20.04	1h 22m 32s
Building tools for aarch64-unknown-linux-gnu on ubuntu20.04	1h 22m 32s
Build Docker image for linux/amd64	19m 29s
Build Docker image for linux/amd64	19m 29s
Build Docker image for linux/amd64	19m 29s
Build Docker image for linux/arm64	6h 0m 8s
Build Docker image for linux/arm64	6h 0m 7s
Build Docker image for linux/arm64	5h 47m 31s
Building for aarch64-unknown-linux-gnu on ubuntu20.04	3h 41m 44s
Building for aarch64-unknown-linux-gnu on ubuntu20.04	3h 41m 44s
Building for aarch64-unknown-linux-gnu on ubuntu20.04	3h 41m 44s
Building for x86_64-unknown-linux-gnu on ubuntu-20.04	28m 3s
Building for x86_64-unknown-linux-gnu on ubuntu-20.04	28m 3s
Building for x86_64-unknown-linux-gnu on ubuntu-20.04	28m 3s
Building for x86_64-apple-darwin on macos-latest	45m 19s
Building for x86_64-apple-darwin on macos-latest	45m 19s
Building for x86_64-apple-darwin on macos-latest	45m 19s
Building for x86_64-pc-windows-msvc on windows-2022	44m 12s
Building for x86_64-pc-windows-msvc on windows-2022	44m 12s
Building for x86_64-pc-windows-msvc on windows-2022	44m 12s
Merge and push Docker manifest	0s
Merge and push Docker manifest	0s
Merge and push Docker manifest	16s
	1d 15h 51m 59s

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