Description of problem:
for some applications, osc build-logs reports "error: error streaming logs: unexpected EOF", also the build status is  Complete

Version-Release number of selected component (if applicable):
[beta4/2015-06-04.2]

How reproducible:
100%

Steps to Reproduce:
1. osc new-app https://github.com/anpingli/example-perl
2. osc start-build example-perl
3. osc build-logs example-perl-1
4. osc get build



Actual results:
For step 3.
osc build-logs example-perl-1
<---snip--->
Removing intermediate container 4b21daa529ad
Step 5 : ENV OPENSHIFT_BUILD_SOURCE "https://github.com/anpingli/example-perl" OPENSHIFT_BUILD_NAME "example-perl-1" OPENSHIFT_BUILD_NAMESPACE "p2"
 ---> Running in 5e9a35b5a089
 ---> 729825eddfd7
Removing intermediate container 5e9a35b5a089
Successfully built 729825eddfd7
I0607 09:38:24.569588       1 cfg.go:50] Problem accessing /root/.dockercfg: stat /root/.dockercfg: no such file or directory
I0607 09:38:24.569643       1 docker.go:91] Pushing 172.30.134.207:5000/p2/example-perl:latest image ...
error: error streaming logs: unexpected EOF
[joe@master ~]$ echo $?
1

For step 4:
[joe@master ~]$ osc get build
NAME             TYPE      STATUS     POD
example-perl-1   Docker    Complete   example-perl-1-build



Expected results:
osc build-logs shouldn't end with  unexpected EOF

Additional info: