kpack with cache fails - Error: failed to restore: open ... f-operator@v0.4.0/.dockerignore: permission denied

[drnic]

Try to reproduce and raise upstream bug with kpack, go-mod-cnb, or cf-operator project:

[creds-init] {"level":"info","ts":1571606711.5762007,"logger":"fallback-logger","caller":"creds-init/main.go:40","msg":"Credentials initialized.","commit":"002a41a"}
[source-init] source-init:git.go:37: Successfully cloned "https://github.com/drnic/eirinix-pancake.git" @ "8f69c654b045f7cf94802bbc120c07fc28f1417a" in path "/workspace"
[detect] ======== Results ========
[detect] skip: org.cloudfoundry.archiveexpanding@v1.0.71
...
[detect] ======== Results ========
[detect] pass: org.cloudfoundry.go-compiler@0.0.29
[detect] pass: org.cloudfoundry.go-mod@0.0.29
[detect] Resolving plan... (try #1)
[detect] Success! (2)
[restore] Restoring cached layer 'org.cloudfoundry.go-compiler:68a2297eb099d1a76097905a2ce334e3155004ec08cdea85f24527be3c48e856'
[restore] Restoring cached layer 'org.cloudfoundry.go-compiler:go'
[restore] Restoring cached layer 'org.cloudfoundry.go-mod:go-mod'
[restore] Error: failed to restore: open /layers/org.cloudfoundry.go-mod/go-mod/pkg/mod/code.cloudfoundry.org/cf-operator@v0.4.0/.dockerignore: permission denied

[drnic]

Possible related to buildpacks/lifecycle#178