Docker build error macos
```
$ docker build -t cpuminer-multi .
Sending build context to Docker daemon 1.572 MB
Step 1 : FROM ubuntu:12.10
 ---> 3e314f95dcac
Step 2 : MAINTAINER Guillaume J. Charmes <guillaume@charmes.net>
 ---> Using cache
 ---> 68ac2fb9f3ce
Step 3 : RUN apt-get update -qq
 ---> Running in 9c77c5bfdd64
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/main/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/restricted/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/universe/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/main/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/restricted/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/universe/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/main/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/restricted/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/universe/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/main/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/restricted/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/universe/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-security/main/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-security/restricted/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-security/universe/source/Sources  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-security/main/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-security/restricted/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-security/universe/binary-amd64/Packages  404  Not Found [IP: 91.189.88.149 80]

E: Some index files failed to download. They have been ignored, or old ones used instead.
The command '/bin/sh -c apt-get update -qq' returned a non-zero code: 100
```
