Cache check output is sometimes mingled

[dgageot]

Quite rare but the codebase clearly runs check in parallel without synchronising the output:

skaffold build
Generating tags...
 - emailservice -> emailservice:8f26719
 - productcatalogservice -> productcatalogservice:8f26719
 - recommendationservice -> recommendationservice:8f26719
 - shippingservice -> shippingservice:8f26719
 - checkoutservice -> checkoutservice:8f26719
 - paymentservice -> paymentservice:8f26719
 - currencyservice -> currencyservice:8f26719
 - cartservice -> cartservice:8f26719
 - frontend -> frontend:8f26719
 - loadgenerator -> loadgenerator:8f26719
 - adservice -> adservice:8f26719
Tags generated in 511.979445ms
Checking cache...
 - loadgenerator: Found
 - emailservice: Found
 - paymentservice: Found
 - productcatalogservice: Found
 - shippingservice: Found - currencyservice:
Found
 - checkoutservice: Found
 - recommendationservice: Found
 - cartservice: Found
 - adservice: Found
 - frontend: Found
Cache check complete in 57.370819ms
Starting test...
Test complete in 14.535µs