Add more info to Clean() err message.
Add more info to Clean() err message.

csmith-palantir/bosun,seekingalpha/bosun,alienth/bosun,TrentScholl/bosun,bookingcom/bosun,melifaro/bosun,leapar/bosun,jareksm/bosun,noblehng/bosun,seekingalpha/bosun,augporto/bosun,GROpenSourceDev/bosun,augporto/bosun,simnv/bosun,Skyscanner/bosun,bookingcom/bosun,CheRuisiBesares/bosun,augporto/bosun,CheRuisiBesares/bosun,TrentScholl/bosun,seekingalpha/bosun,mhenderson-so/bosun,alienth/bosun,melifaro/bosun,GROpenSourceDev/bosun,noblehng/bosun,mhenderson-so/bosun,CheRuisiBesares/bosun,bosun-monitor/bosun,mhenderson-so/bosun,jareksm/bosun,alienth/bosun,leapar/bosun,melifaro/bosun,seekingalpha/bosun,Skyscanner/bosun,bosun-monitor/bosun,jareksm/bosun,GROpenSourceDev/bosun,augporto/bosun,jareksm/bosun,simnv/bosun,melifaro/bosun,leapar/bosun,simnv/bosun,bookingcom/bosun,mhenderson-so/bosun,seekingalpha/bosun,csmith-palantir/bosun,mhenderson-so/bosun,CheRuisiBesares/bosun,bosun-monitor/bosun,csmith-palantir/bosun,bosun-monitor/bosun,noblehng/bosun,CheRuisiBesares/bosun,TrentScholl/bosun,augporto/bosun,melifaro/bosun,bookingcom/bosun,alienth/bosun,augporto/bosun,GROpenSourceDev/bosun,leapar/bosun,bosun-monitor/bosun,TrentScholl/bosun,GROpenSourceDev/bosun,leapar/bosun,TrentScholl/bosun,seekingalpha/bosun,mhenderson-so/bosun,csmith-palantir/bosun,CheRuisiBesares/bosun,TrentScholl/bosun,jareksm/bosun,melifaro/bosun,noblehng/bosun,simnv/bosun,jareksm/bosun,GROpenSourceDev/bosun,simnv/bosun,bookingcom/bosun,Skyscanner/bosun,alienth/bosun,alienth/bosun,Skyscanner/bosun,simnv/bosun,Skyscanner/bosun,bosun-monitor/bosun,Skyscanner/bosun,bookingcom/bosun,leapar/bosun,noblehng/bosun,noblehng/bosun,csmith-palantir/bosun,csmith-palantir/bosun