Ensure busy turns to false when an exception is raised, rather than catching the exception. Moved the ensure within the synchronize block so its protected by the mutex.
Ensure busy turns to false when an exception is raised, rather than catching the exception. Moved the ensure within the synchronize block so its protected by the mutex.

petems/vagrant,taliesins/vagrant,juiceinc/vagrant,jberends/vagrant,legal90/vagrant,tomfanning/vagrant,genome21/vagrant,krig/vagrant,denisbr/vagrant,stephancom/vagrant,lonniev/vagrant,gitebra/vagrant,tknerr/vagrant,tomfanning/vagrant,ferventcoder/vagrant,blueyed/vagrant,glensc/vagrant,apertoso/vagrant,Chhunlong/vagrant,miguel250/vagrant,obnoxxx/vagrant,fnewberg/vagrant,blueyed/vagrant,legal90/vagrant,johntron/vagrant,aneeshusa/vagrant,chrisvire/vagrant,BlakeMesdag/vagrant,ferventcoder/vagrant,clinstid/vagrant,mkuzmin/vagrant,bshurts/vagrant,tbriggs-curse/vagrant,Chhunlong/vagrant,modulexcite/vagrant,janek-warchol/vagrant,p0deje/vagrant,kamazee/vagrant,simonsd/vagrant,modulexcite/vagrant,kalabiyau/vagrant,marxarelli/vagrant,theist/vagrant,miguel250/vagrant,nickryand/vagrant,jean/vagrant,kamigerami/vagrant,jtopper/vagrant,Endika/vagrant,apertoso/vagrant,gajdaw/vagrant,mitchellh/vagrant,krig/vagrant,sideci-sample/sideci-sample-vagrant,dhoer/vagrant,tbriggs-curse/vagrant,muhanadra/vagrant,mkuzmin/vagrant,bryson/vagrant,p0deje/vagrant,dustymabe/vagrant,loren-osborn/vagrant,tjanez/vagrant,krig/vagrant,pwnall/vagrant,aaam/vagrant,wangfakang/vagrant,Sgoettschkes/vagrant,stephancom/vagrant,samphippen/vagrant,senglin/vagrant,petems/vagrant,dharmab/vagrant,mwarren/vagrant,gbarberi/vagrant,johntron/vagrant,brianloveswords/vagrant,msabramo/vagrant,jmanero/vagrant,kamigerami/vagrant,gbarberi/vagrant,aaam/vagrant,gitebra/vagrant,miguel250/vagrant,Chhed13/vagrant,gpkfr/vagrant,justincampbell/vagrant,shtouff/vagrant,PatOShea/vagrant,aneeshusa/vagrant,tjanez/vagrant,bheuvel/vagrant,bdwyertech/vagrant,evverx/vagrant,webcoyote/vagrant,webcoyote/vagrant,ArloL/vagrant,theist/vagrant,loren-osborn/vagrant,sax/vagrant,sax/vagrant,gbarberi/vagrant,wkolean/vagrant,jkburges/vagrant,kamazee/vagrant,jean/vagrant,apertoso/vagrant,kamigerami/vagrant,benh57/vagrant,rivy/vagrant,philoserf/vagrant,genome21/vagrant,chrisroberts/vagrant,dharmab/vagrant,vamegh/vagrant,genome21/vagrant,wangfakang/vagrant,Chhunlong/vagrant,chrisvire/vagrant,BlakeMesdag/vagrant,dhoer/vagrant,PatOShea/vagrant,iNecas/vagrant,PatOShea/vagrant,juiceinc/vagrant,carlosefr/vagrant,webcoyote/vagrant,jtopper/vagrant,nickryand/vagrant,janek-warchol/vagrant,muhanadra/vagrant,bshurts/vagrant,jkburges/vagrant,theist/vagrant,wangfakang/vagrant,janek-warchol/vagrant,justincampbell/vagrant,Sgoettschkes/vagrant,denisbr/vagrant,dharmab/vagrant,carlosefr/vagrant,msabramo/vagrant,dustymabe/vagrant,bheuvel/vagrant,samphippen/vagrant,clinstid/vagrant,aaam/vagrant,teotihuacanada/vagrant,obnoxxx/vagrant,gpkfr/vagrant,clinstid/vagrant,benizi/vagrant,MiLk/vagrant,BlakeMesdag/vagrant,lukebakken/vagrant,samphippen/vagrant,jean/vagrant,tknerr/vagrant,otagi/vagrant,ianmiell/vagrant,mpoeter/vagrant,ianmiell/vagrant,blueyed/vagrant,taliesins/vagrant,iNecas/vagrant,patrys/vagrant,otagi/vagrant,tschortsch/vagrant,jhoblitt/vagrant,invernizzi-at-google/vagrant,evverx/vagrant,kamazee/vagrant,tknerr/vagrant,PatrickLang/vagrant,obnoxxx/vagrant,myrjola/vagrant,cgvarela/vagrant,darkn3rd/vagrant,jberends/vagrant,shtouff/vagrant,crashlytics/vagrant,gajdaw/vagrant,bshurts/vagrant,Endika/vagrant,lukebakken/vagrant,chrisvire/vagrant,fnewberg/vagrant,tbriggs-curse/vagrant,genome21/vagrant,bheuvel/vagrant,vamegh/vagrant,loren-osborn/vagrant,jhoblitt/vagrant,denisbr/vagrant,TheBigBear/vagrant,bryson/vagrant,TheBigBear/vagrant,doy/vagrant,aneeshusa/vagrant,sferik/vagrant,theist/vagrant,philwrenn/vagrant,h4ck3rm1k3/vagrant,MiLk/vagrant,otagi/vagrant,jberends/vagrant,p0deje/vagrant,gajdaw/vagrant,philwrenn/vagrant,mwarren/vagrant,myrjola/vagrant,mitchellh/vagrant,philwrenn/vagrant,mwrock/vagrant,tbarrongh/vagrant,sni/vagrant,carlosefr/vagrant,evverx/vagrant,aaam/vagrant,patrys/vagrant,lonniev/vagrant,channui/vagrant,bdwyertech/vagrant,sni/vagrant,denisbr/vagrant,senglin/vagrant,Avira/vagrant,philoserf/vagrant,lonniev/vagrant,MiLk/vagrant,petems/vagrant,legal90/vagrant,dhoer/vagrant,bmhatfield/vagrant,senglin/vagrant,marxarelli/vagrant,chrisroberts/vagrant,jberends/vagrant,doy/vagrant,invernizzi-at-google/vagrant,jfchevrette/vagrant,Avira/vagrant,fnewberg/vagrant,kamigerami/vagrant,h4ck3rm1k3/vagrant,pwnall/vagrant,dharmab/vagrant,mpoeter/vagrant,crashlytics/vagrant,wkolean/vagrant,bmhatfield/vagrant,jfchevrette/vagrant,rivy/vagrant,sax/vagrant,sideci-sample/sideci-sample-vagrant,marxarelli/vagrant,philwrenn/vagrant,myrjola/vagrant,doy/vagrant,channui/vagrant,tschortsch/vagrant,carlosefr/vagrant,miguel250/vagrant,tbarrongh/vagrant,juiceinc/vagrant,darkn3rd/vagrant,chrisroberts/vagrant,Avira/vagrant,PatrickLang/vagrant,jkburges/vagrant,teotihuacanada/vagrant,tjanez/vagrant,jtopper/vagrant,bryson/vagrant,benizi/vagrant,sferik/vagrant,mwarren/vagrant,philoserf/vagrant,jfchevrette/vagrant,msabramo/vagrant,kalabiyau/vagrant,mwrock/vagrant,mpoeter/vagrant,stephancom/vagrant,marxarelli/vagrant,dustymabe/vagrant,Sgoettschkes/vagrant,benizi/vagrant,sferik/vagrant,tbarrongh/vagrant,cgvarela/vagrant,signed8bit/vagrant,nickryand/vagrant,petems/vagrant,Endika/vagrant,ferventcoder/vagrant,iNecas/vagrant,signed8bit/vagrant,lukebakken/vagrant,kalabiyau/vagrant,tschortsch/vagrant,gitebra/vagrant,cgvarela/vagrant,jhoblitt/vagrant,vamegh/vagrant,jmanero/vagrant,blueyed/vagrant,bdwyertech/vagrant,Endika/vagrant,tknerr/vagrant,TheBigBear/vagrant,jmanero/vagrant,mkuzmin/vagrant,bdwyertech/vagrant,mkuzmin/vagrant,chrisroberts/vagrant,mephaust/vagrant,crashlytics/vagrant,chrisvire/vagrant,teotihuacanada/vagrant,PatrickLang/vagrant,krig/vagrant,bheuvel/vagrant,ianmiell/vagrant,rivy/vagrant,dustymabe/vagrant,tbarrongh/vagrant,tomfanning/vagrant,tomfanning/vagrant,muhanadra/vagrant,mephaust/vagrant,zsjohny/vagrant,taliesins/vagrant,sni/vagrant,mitchellh/vagrant,janek-warchol/vagrant,johntron/vagrant,philoserf/vagrant,Chhed13/vagrant,senglin/vagrant,lukebakken/vagrant,Sgoettschkes/vagrant,PatrickLang/vagrant,vamegh/vagrant,signed8bit/vagrant,ArloL/vagrant,PatOShea/vagrant,lonniev/vagrant,darkn3rd/vagrant,mpoeter/vagrant,justincampbell/vagrant,taliesins/vagrant,mephaust/vagrant,patrys/vagrant,tbriggs-curse/vagrant,samphippen/vagrant,benizi/vagrant,Ninir/vagrant,invernizzi-at-google/vagrant,modulexcite/vagrant,darkn3rd/vagrant,wangfakang/vagrant,mwarren/vagrant,apertoso/vagrant,cgvarela/vagrant,gpkfr/vagrant,mitchellh/vagrant,jfchevrette/vagrant,johntron/vagrant,zsjohny/vagrant,Chhed13/vagrant,ArloL/vagrant,Ninir/vagrant,jhoblitt/vagrant,gbarberi/vagrant,doy/vagrant,invernizzi-at-google/vagrant,benh57/vagrant,ianmiell/vagrant,msabramo/vagrant,TheBigBear/vagrant,modulexcite/vagrant,loren-osborn/vagrant,muhanadra/vagrant,Avira/vagrant,zsjohny/vagrant,kamazee/vagrant,sni/vagrant,bmhatfield/vagrant,wkolean/vagrant,shtouff/vagrant,pwnall/vagrant,crashlytics/vagrant,jtopper/vagrant,teotihuacanada/vagrant,bryson/vagrant,jkburges/vagrant,webcoyote/vagrant,mwrock/vagrant,mwrock/vagrant,myrjola/vagrant,nickryand/vagrant,Chhed13/vagrant,wkolean/vagrant,Ninir/vagrant,otagi/vagrant,pwnall/vagrant,signed8bit/vagrant,benh57/vagrant,jmanero/vagrant,tschortsch/vagrant,patrys/vagrant,kalabiyau/vagrant,gitebra/vagrant,ArloL/vagrant,ferventcoder/vagrant,bshurts/vagrant,sax/vagrant,dhoer/vagrant,mephaust/vagrant,rivy/vagrant,justincampbell/vagrant,juiceinc/vagrant,fnewberg/vagrant,h4ck3rm1k3/vagrant,tjanez/vagrant,benh57/vagrant,sideci-sample/sideci-sample-vagrant,gpkfr/vagrant,aneeshusa/vagrant,jean/vagrant,shtouff/vagrant,glensc/vagrant,stephancom/vagrant,h4ck3rm1k3/vagrant,zsjohny/vagrant,channui/vagrant,Chhunlong/vagrant,legal90/vagrant