Upload the streamed-out file without compressing [#79966200]

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Cleanup executor workdir on startup

[#76625036]

Signed-off-by: Abhijit Hiremagalur <abhi@pivotal.io>
Switch to ginkomon

[#76625036]

Signed-off-by: Ted Young <tyoung@pivotallabs.com>
go fmt ./...

Signed-off-by: Johannes Petzold <jpetzold@pivotallabs.com>
Test errors in upload step more thoroughly [#79966200]

Signed-off-by: Johannes Petzold <jpetzold@pivotallabs.com>
Remove extra logging

[#79834208]

Signed-off-by: Nick Wade <nwade@pivotal.io>
stop logging upload/download urls

...as they may contain credentials

[finishes #79557732]
use ginkgomon.Invoke to check for start failure
Follow convention for main tests [#79218040]

Signed-off-by: Abhijit Hiremagalur <abhi@pivotal.io>
wip download step extracting in memory

Signed-off-by: Johannes Petzold <jpetzold@pivotal.io>