Go functions fails to build using S2I on Windows

[jrangelramos]

I'm unable to build a Go functions using S2I on a Windows machine.

The following error is reported during build process

PS C:\Users\hudson\git\kn-func-plugin\gofn> kn func build -v
Building function image
Step 1/9 : FROM registry.access.redhat.com/ubi8/go-toolset
latest: Pulling from ubi8/go-toolset
Digest: sha256:6626052118c5fa2f8ff7dcf80508f4347a6dc0f00ed67a4674ebaed427fff82a
Status: Image is up to date for registry.access.redhat.com/ubi8/go-toolset:latest
 ---> e60e55932f56
Step 2/9 : LABEL "io.k8s.display-name"="image-registry.openshift-image-registry.svc:5000/default/gofn:latest"       "io.openshift.s2i.build.image"="registry.access.redhat.com/ubi8/go-toolset"       "io.openshift.s2i.build.source-location"="C:\\Users\\hudson\\git\\kn-func-plugin\\gofn"
 ---> Running in 9a3d32509e72
 ---> 9a99ce0a2fd2
Step 3/9 : USER root
 ---> Running in 7079d10d11b2
 ---> e4447d999d92
Step 4/9 : COPY upload/scripts /tmp/scripts
 ---> 70f69f38ab44
Step 5/9 : COPY upload/src /tmp/src
 ---> a399a11f43a1
Step 6/9 : RUN chown -R 1001:0 /tmp/scripts /tmp/src
 ---> Running in 182aa2564376
 ---> 65fa340dbd62
Step 7/9 : USER 1001
 ---> Running in 1e09dae6590d
 ---> f23dfd3ea3af
Step 8/9 : RUN /tmp/scripts/assemble
 ---> Running in ab2e96c4e0b4
/tmp/src ~
/tmp/src/.s2i/builds/last /tmp/src ~
go: f@v0.0.0-00010101000000-000000000000 (replaced by ./f): reading f/go.mod: open /tmp/src/.s2i/builds/last/f/go.mod: no such file or directory
Error: The command '/bin/sh -c /tmp/scripts/assemble' returned a non-zero code: 1