$ curl -s "https://code.call-cc.org/egg-tarballs/6/feathers/feathers-0.1.tar.gz" | tar zxf -
$ cd feathers-0.1 
$ chicken-install -no-install

Warning (/tmp/feathers/feathers-0.1/feathers.egg): property `source' invalid or in wrong context (data/include)


Warning: target has no files: lib
building feathers
   sh /tmp/feathers/feathers-0.1/build -setup-mode -host -I /tmp/feathers/feathers-0.1 -C -I/tmp/feathers/feathers-0.1 -O2 -d1 feathers.scm -o /tmp/feathers/feathers-0.1/feathers

$ chicken-install            

Warning (/tmp/feathers/feathers-0.1/feathers.egg): property `source' invalid or in wrong context (data/include)


Warning: target has no files: lib
building feathers
feathers.scm: No such file or directory

Error: shell command terminated with nonzero exit code
256
"sh /tmp/feathers/feathers-0.1/feathers.build.sh"

	Call history:

	egg-compile.scm:1183: ##sys#print	  
	egg-compile.scm:1183: ##sys#print	  
	egg-compile.scm:1183: ##sys#print	  
	egg-compile.scm:1183: ##sys#print	  
	egg-compile.scm:1183: ##sys#print	  
	egg-compile.scm:1183: ##sys#write-char-0	  
	chicken-install.scm:887: chicken.base#print	  
	chicken-install.scm:888: run-script	  
	chicken-install.scm:959: ##sys#get-keyword	  
	chicken-install.scm:960: d	  
	chicken-install.scm:967: chicken.platform#software-version	  
	chicken-install.scm:963: scheme#string-append	  
	chicken-install.scm:978: d	  
	chicken-install.scm:979: system+	  
	egg-compile.scm:1203: chicken.process#system	  
	chicken-install.scm:982: chicken.base#error	  	<--