[news.eclipse.technology.buckminster] error installing headless buckmins

[Edwin Park <esp1@xxxxxxxxxxx>]

I downloaded the latest headless buckminster: 
http://www.eclipse.org/downloads/download.php?file=/technology/buckminster/0.3milestones/products/buckminster.product-0.3.0.r07406_incubation.zip

And then tried to install the core headless feature, but got the error 
below:

$ buckminster listsite 
http://download.eclipse.org/technology/buckminster/updates/headless-site.xml 

Features:
  org.eclipse.buckminster.core.headless.feature_0.3.0.r07954 
(Buckminster - Core Headless (Incubation))
  org.eclipse.buckminster.cvs.headless.feature_0.3.0.r07207 
(Buckminster - CVS support for headless operation (Incubation))
  org.eclipse.buckminster.maven.feature_0.3.0.r07955 (Buckminster - 
Maven support (Incubation))
  org.eclipse.buckminster.p4.headless.feature_0.3.0.r07955 (Buckminster 
- Perforce support for headless operation (Incubation))
  org.eclipse.buckminster.pde.headless.feature_0.3.0.r07796 
(Buckminster - PDE support for headless operation (Incubation))
  org.eclipse.buckminster.subclipse.headless.feature_0.3.0.r07796 
(Buckminster - Subclipse based SVN support for headless operation 
(Incubation))
  org.eclipse.buckminster.subversive.headless.feature_0.3.0.r07795 
(Buckminster - Subversive based SVN support for headless operation 
(Incubation))
  org.eclipse.buckminster.test.headless.feature_0.3.0 (Feature Feature)


$ buckminster install 
http://download.eclipse.org/technology/buckminster/updates/headless-site.xml 
org.eclipse.buckminster.core.headless.feature
Unable to complete action for feature "Buckminster - Core Headless 
(Incubation)" due to errors.
Caused by: Error retrieving "plugins/org.apache.ant_0.0.0.jar". [Server 
returned HTTP response code: "404 Not Found" for URL: 
http://download.eclipse.org/technology/buckminster/updates/plugins/org.apache.ant_0.0.0.jar.]
Caused by: org.eclipse.update.internal.core.FatalIOException: Server 
returned HTTP response code: "404 Not Found" for URL: 
http://download.eclipse.org/technology/buckminster/updates/plugins/org.apache.ant_0.0.0.jar.
[0]Error retrieving "plugins/org.apache.ant_0.0.0.jar". [Server returned 
HTTP response code: "404 Not Found" for URL: 
http://download.eclipse.org/technology/buckminster/updates/plugins/org.apache.ant_0.0.0.jar.]
Caused by: [0]org.eclipse.update.internal.core.FatalIOException: Server 
returned HTTP response code: "404 Not Found" for URL: 
http://download.eclipse.org/technology/buckminster/updates/plugins/org.apache.ant_0.0.0.jar.