Using gem_plugin (0.2.3) from bundler gems
Installing mongrel (1.1.5) from .gem files at /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/cache with native extensions /home/christian/.rvm/rubies/ruby-1.9.2-preview3/lib/ruby/1.9.1/rubygems/installer.rb:483:in `rescue in block in build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/home/christian/.rvm/rubies/ruby-1.9.2-preview3/bin/ruby extconf.rb
checking for main() in -lc... yes
creating Makefile

make
gcc -I. -I/home/christian/.rvm/rubies/ruby-1.9.2-preview3/include/ruby-1.9.1/x86_64-linux -I/home/christian/.rvm/rubies/ruby-1.9.2-preview3/include/ruby-1.9.1/ruby/backward -I/home/christian/.rvm/rubies/ruby-1.9.2-preview3/include/ruby-1.9.1 -I.   -fPIC -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long  -o http11_parser.o -c http11_parser.c
http11_parser.rl: In function ‘http_parser_execute’:
http11_parser.rl:105: warning: comparison between signed and unsigned integer expressions
gcc -I. -I/home/christian/.rvm/rubies/ruby-1.9.2-preview3/include/ruby-1.9.1/x86_64-linux -I/home/christian/.rvm/rubies/ruby-1.9.2-preview3/include/ruby-1.9.1/ruby/backward -I/home/christian/.rvm/rubies/ruby-1.9.2-preview3/include/ruby-1.9.1 -I.   -fPIC -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long  -o http11.o -c http11.c
http11.c: In function ‘http_field’:
http11.c:70: warning: format not a string literal and no format arguments
http11.c:71: warning: format not a string literal and no format arguments
http11.c:77: error: ‘struct RString’ has no member named ‘ptr’
http11.c:77: error: ‘struct RString’ has no member named ‘len’
http11.c: In function ‘request_uri’:
http11.c:102: warning: format not a string literal and no format arguments
http11.c: In function ‘fragment’:
http11.c:113: warning: format not a string literal and no format arguments
http11.c: In function ‘request_path’:
http11.c:124: warning: format not a string literal and no format arguments
http11.c: In function ‘query_string’:
http11.c:135: warning: format not a string literal and no format arguments
http11.c: In function ‘header_done’:
http11.c:172: error: ‘struct RString’ has no member named ‘ptr’
http11.c:172: error: ‘struct RString’ has no member named ‘ptr’
http11.c:172: error: ‘struct RString’ has no member named ‘ptr’
http11.c:174: error: ‘struct RString’ has no member named ‘ptr’
http11.c:176: error: ‘struct RString’ has no member named ‘ptr’
http11.c:177: error: ‘struct RString’ has no member named ‘len’
http11.c: In function ‘HttpParser_execute’:
http11.c:298: error: ‘struct RString’ has no member named ‘ptr’
http11.c:299: error: ‘struct RString’ has no member named ‘len’
http11.c:307: warning: format not a string literal and no format arguments
make: *** [http11.o] Fehler 1


Gem files will remain installed in /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/mongrel-1.1.5 for inspection.
Results logged to /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/mongrel-1.1.5/ext/http11/gem_make.out
	from /home/christian/.rvm/rubies/ruby-1.9.2-preview3/lib/ruby/1.9.1/rubygems/installer.rb:486:in `block in build_extensions'
	from /home/christian/.rvm/rubies/ruby-1.9.2-preview3/lib/ruby/1.9.1/rubygems/installer.rb:446:in `each'
	from /home/christian/.rvm/rubies/ruby-1.9.2-preview3/lib/ruby/1.9.1/rubygems/installer.rb:446:in `build_extensions'
	from /home/christian/.rvm/rubies/ruby-1.9.2-preview3/lib/ruby/1.9.1/rubygems/installer.rb:198:in `install'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/source.rb:170:in `install'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/installer.rb:34:in `block in run'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/spec_set.rb:12:in `block in each'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/spec_set.rb:12:in `each'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/spec_set.rb:12:in `each'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/installer.rb:21:in `run'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/installer.rb:6:in `install'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/cli.rb:91:in `install'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor/task.rb:33:in `run'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor/invocation.rb:109:in `block in invoke'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor/invocation.rb:116:in `call'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor/invocation.rb:116:in `invoke'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor.rb:137:in `block in start'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor/base.rb:378:in `start'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/lib/bundler/vendor/thor.rb:124:in `start'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/gems/bundler-0.9.26/bin/bundle:13:in `<top (required)>'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/bin/bundle:19:in `load'
	from /home/christian/.rvm/gems/ruby-1.9.2-preview3@rails3/bin/bundle:19:in `<main>'