Sat Jan 30 00:07:58 UTC 2016

Please run 'apport-collect 1538887' to gather log files about this
issue.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1538887

Title:
  do-release-upgrade Checking for a new Ubuntu release Get:1 Upgrade
  tool signature [198 B]
  Get:2 Upgrade tool [1,214 kB]
  Fetched 1,214 kB in 0s (0 B/s)
  authenticate 'vivid.tar.gz' against 'vivid.tar.gz.gpg'  extracting
  'vivid.tar.gz'  Reading cache  Checking package manager Reading
  package lists... Done Building dependency tree         Reading state
  information... Done Building data structures... Done  Ign
  http://archive.canonical.com trusty InRelease
  Ign http://extras.ubuntu.com trusty InRelease
  Ign http://in.archive.ubuntu.com trusty InRelease
  Hit http://archive.canonical.com trusty Release.gpg
  Get:1 http://extras.ubuntu.com trusty Release.gpg [72 B]
  Hit http://in.archive.ubuntu.com trusty-updates InRelease
  Ign http://dl.google.com stable InRelease
  Hit http://archive.canonical.com trusty Release
  Hit http://in.archive.ubuntu.com trusty-security InRelease
  Hit http://dl.google.com stable Release.gpg
  Hit http://archive.canonical.com trusty/partner Sources
  Hit http://extras.ubuntu.com trusty Release
  Ign http://extras.ubuntu.com trusty Release
  Hit http://in.archive.ubuntu.com trusty-proposed InRelease
  Hit http://archive.canonical.com trusty/partner amd64 Packages
  Ign http://extras.ubuntu.com trusty/main Sources/DiffIndex
  Hit http://in.archive.ubuntu.com trusty Release.gpg
  Hit http://dl.google.com stable Release
  Hit http://archive.canonical.com trusty/partner i386 Packages
  Ign http://extras.ubuntu.com trusty/main amd64 Packages/DiffIndex
  Hit http://in.archive.ubuntu.com trusty-updates/main amd64 Packages
  Err http://archive.canonical.com trusty/partner Translation-en
  Hit http://dl.google.com stable/main amd64 Packages
  Ign http://extras.ubuntu.com trusty/main i386 Packages/DiffIndex
  Hit http://in.archive.ubuntu.com trusty-updates/restricted amd64
  Packages       Err http://archive.canonical.com trusty/partner
  Translation-en
  Err http://extras.ubuntu.com trusty/main Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty-updates/universe amd64
  Packages         Hit http://dl.google.com stable/main i386 Packages
  Ign http://archive.canonical.com trusty/partner Translation-en
  Err http://extras.ubuntu.com trusty/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-updates/multiverse amd64
  Packages       Hit http://extras.ubuntu.com trusty/main Sources
  Hit http://in.archive.ubuntu.com trusty-updates/main i386 Packages
  Err http://dl.google.com stable/main Translation-en_IN
  Hit http://extras.ubuntu.com trusty/main amd64 Packages
  Hit http://in.archive.ubuntu.com trusty-updates/restricted i386
  Packages        Err http://dl.google.com stable/main Translation-en
  Hit http://extras.ubuntu.com trusty/main i386 Packages
  Hit http://in.archive.ubuntu.com trusty-updates/universe i386 Packages
  Err http://extras.ubuntu.com trusty/main Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty-updates/multiverse i386
  Packages        Err http://dl.google.com stable/main Translation-en_IN
  Err http://extras.ubuntu.com trusty/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-updates/main Translation-en
  Err http://extras.ubuntu.com trusty/main Translation-en_IN
  Err http://dl.google.com stable/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-updates/multiverse
  Translation-en       Err http://extras.ubuntu.com trusty/main
  Translation-en
  Hit http://in.archive.ubuntu.com trusty-updates/restricted
  Translation-en       Err http://dl.google.com stable/main Translation-
  en_IN
  Err http://extras.ubuntu.com trusty/main Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty-updates/universe Translation-
  en         Err http://extras.ubuntu.com trusty/main Translation-en
  Err http://dl.google.com stable/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-security/main amd64 Packages
  Ign http://extras.ubuntu.com trusty/main Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty-security/restricted amd64
  Packages      Ign http://extras.ubuntu.com trusty/main Translation-en
  Err http://dl.google.com stable/main Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty-security/universe amd64
  Packages        Err http://dl.google.com stable/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-security/multiverse amd64
  Packages      Hit http://in.archive.ubuntu.com trusty-security/main
  i386 Packages             Ign http://dl.google.com stable/main
  Translation-en_IN                          Hit
  http://in.archive.ubuntu.com trusty-security/restricted i386 Packages
  Hit http://in.archive.ubuntu.com trusty-security/universe i386
  Packages         Ign http://dl.google.com stable/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-security/multiverse i386
  Packages       Hit http://in.archive.ubuntu.com trusty-security/main
  Translation-en            Hit http://in.archive.ubuntu.com trusty-
  security/multiverse Translation-en      Hit
  http://in.archive.ubuntu.com trusty-security/restricted Translation-en
  Hit http://in.archive.ubuntu.com trusty-security/universe Translation-
  en        Hit http://in.archive.ubuntu.com trusty-proposed/restricted
  amd64 Packages      Hit http://in.archive.ubuntu.com trusty-
  proposed/main amd64 Packages            Hit
  http://in.archive.ubuntu.com trusty-proposed/multiverse amd64 Packages
  Hit http://in.archive.ubuntu.com trusty-proposed/universe amd64
  Packages        Hit http://in.archive.ubuntu.com trusty-
  proposed/restricted i386 Packages       Hit
  http://in.archive.ubuntu.com trusty-proposed/main i386 Packages
  Hit http://in.archive.ubuntu.com trusty-proposed/multiverse i386
  Packages       Hit http://in.archive.ubuntu.com trusty-
  proposed/universe i386 Packages         Hit
  http://in.archive.ubuntu.com trusty-proposed/main Translation-en
  Hit http://in.archive.ubuntu.com trusty-proposed/multiverse
  Translation-en      Hit http://in.archive.ubuntu.com trusty-
  proposed/restricted Translation-en      Hit
  http://in.archive.ubuntu.com trusty-proposed/universe Translation-en
  Hit http://in.archive.ubuntu.com trusty Release
  Hit http://in.archive.ubuntu.com trusty/main amd64 Packages
  Hit http://in.archive.ubuntu.com trusty/restricted amd64 Packages
  Hit http://in.archive.ubuntu.com trusty/universe amd64 Packages
  Hit http://in.archive.ubuntu.com trusty/multiverse amd64 Packages
  Hit http://in.archive.ubuntu.com trusty/main i386 Packages
  Hit http://in.archive.ubuntu.com trusty/restricted i386 Packages
  Hit http://in.archive.ubuntu.com trusty/universe i386 Packages
  Hit http://in.archive.ubuntu.com trusty/multiverse i386 Packages
  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty/main Translation-en
  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty/multiverse Translation-en
  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty/restricted Translation-en
  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN
  Hit http://in.archive.ubuntu.com trusty/universe Translation-en
  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN
  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN
  Ign http://in.archive.ubuntu.com trusty/main Translation-en_IN
  Ign http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN
  Ign http://in.archive.ubuntu.com trusty/restricted Translation-en_IN
  Ign http://in.archive.ubuntu.com trusty/universe Translation-en_IN
  Fetched 72 B in 6s (16.0 MB/s)
  Reading package lists... Done     Building dependency tree
  Reading state information... Done Building data structures... Done
  Updating repository information  Third party sources disabled   Some
  third party entries in your sources.list were disabled. You can  re-
  enable them after the upgrade with the 'software-properties' tool  or
  your package manager.   To continue please press [ENTER] 1453955104362
  addons.update-checker   WARN    Update manifest for
  {972ce4c6-7e08-4474-a285-3208198ce6fd} did not contain an updates
  property 1453955104865    addons.update-checker   WARN    Update
  manifest for ubufox at ubuntu.com did not contain an updates property
  Hit http://archive.canonical.com vivid InRelease
  Hit http://in.archive.ubuntu.com vivid InRelease
  Hit http://archive.canonical.com vivid/partner Sources
  Hit http://in.archive.ubuntu.com vivid-updates InRelease
  Hit http://archive.canonical.com vivid/partner amd64 Packages
  Hit http://in.archive.ubuntu.com vivid-security InRelease
  Hit http://archive.canonical.com vivid/partner i386 Packages
  Hit http://in.archive.ubuntu.com vivid-proposed InRelease
  Hit http://archive.canonical.com vivid/partner Translation-en
  Hit http://in.archive.ubuntu.com vivid/main amd64 Packages
  Hit http://in.archive.ubuntu.com vivid/restricted amd64 Packages
  Hit http://in.archive.ubuntu.com vivid/universe amd64 Packages
  Hit http://in.archive.ubuntu.com vivid/multiverse amd64 Packages
  Hit http://in.archive.ubuntu.com vivid/main i386 Packages
  Hit http://in.archive.ubuntu.com vivid/restricted i386 Packages
  Hit http://in.archive.ubuntu.com vivid/universe i386 Packages
  Hit http://in.archive.ubuntu.com vivid/multiverse i386 Packages
  Hit http://in.archive.ubuntu.com vivid/main Translation-en
  Hit http://in.archive.ubuntu.com vivid/multiverse Translation-en
  Hit http://in.archive.ubuntu.com vivid/restricted Translation-en
  Hit http://in.archive.ubuntu.com vivid/universe Translation-en
  Hit http://in.archive.ubuntu.com vivid-updates/main amd64 Packages
  Hit http://in.archive.ubuntu.com vivid-updates/restricted amd64
  Packages        Hit http://in.archive.ubuntu.com vivid-
  updates/universe amd64 Packages          Hit
  http://in.archive.ubuntu.com vivid-updates/multiverse amd64 Packages
  Hit http://in.archive.ubuntu.com vivid-updates/main i386 Packages
  Hit http://in.archive.ubuntu.com vivid-updates/restricted i386
  Packages         Hit http://in.archive.ubuntu.com vivid-
  updates/universe i386 Packages           Hit
  http://in.archive.ubuntu.com vivid-updates/multiverse i386 Packages
  Hit http://in.archive.ubuntu.com vivid-updates/main Translation-en
  Hit http://in.archive.ubuntu.com vivid-updates/multiverse Translation-
  en        Hit http://in.archive.ubuntu.com vivid-updates/restricted
  Translation-en        Hit http://in.archive.ubuntu.com vivid-
  updates/universe Translation-en          Hit
  http://in.archive.ubuntu.com vivid-security/main amd64 Packages
  Hit http://in.archive.ubuntu.com vivid-security/restricted amd64
  Packages       Hit http://in.archive.ubuntu.com vivid-
  security/universe amd64 Packages         Hit
  http://in.archive.ubuntu.com vivid-security/multiverse amd64 Packages
  Hit http://in.archive.ubuntu.com vivid-security/main i386 Packages
  Hit http://in.archive.ubuntu.com vivid-security/restricted i386
  Packages        Hit http://in.archive.ubuntu.com vivid-
  security/universe i386 Packages          Hit
  http://in.archive.ubuntu.com vivid-security/multiverse i386 Packages
  Hit http://in.archive.ubuntu.com vivid-security/main Translation-en
  Hit http://in.archive.ubuntu.com vivid-security/multiverse
  Translation-en       Hit http://in.archive.ubuntu.com vivid-
  security/restricted Translation-en       Hit
  http://in.archive.ubuntu.com vivid-security/universe Translation-en
  Hit http://in.archive.ubuntu.com vivid-proposed/restricted amd64
  Packages       Hit http://in.archive.ubuntu.com vivid-proposed/main
  amd64 Packages             Hit http://in.archive.ubuntu.com vivid-
  proposed/multiverse amd64 Packages       Hit
  http://in.archive.ubuntu.com vivid-proposed/universe amd64 Packages
  Hit http://in.archive.ubuntu.com vivid-proposed/restricted i386
  Packages        Hit http://in.archive.ubuntu.com vivid-proposed/main
  i386 Packages              Hit http://in.archive.ubuntu.com vivid-
  proposed/multiverse i386 Packages        Hit
  http://in.archive.ubuntu.com vivid-proposed/universe i386 Packages
  Hit http://in.archive.ubuntu.com vivid-proposed/main Translation-en
  Hit http://in.archive.ubuntu.com vivid-proposed/multiverse
  Translation-en       Hit http://in.archive.ubuntu.com vivid-
  proposed/restricted Translation-en       Hit
  http://in.archive.ubuntu.com vivid-proposed/universe Translation-en
  Fetched 0 B in 6s (1,565 kB/s)
  Checking package manager Reading package lists... Done     Building
  dependency tree           Reading state information... Done Building
  data structures... Done   Calculating the changes  Calculating the
  changes  Could not calculate the upgrade   An unresolvable problem
  occurred while calculating the upgrade.   This can be caused by:  *
  Upgrading to a pre-release version of Ubuntu  * Running the current
  pre-release version of Ubuntu  * Unofficial software packages not
  provided by Ubuntu   If none of this applies, then please report this
  bug using the  command 'ubuntu-bug ubuntu-release-upgrader-core' in a
  terminal.    Restoring original system state  Aborting Reading package
  lists... Done     Building dependency tree           Reading state
  information... Done Building data structures... Done

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  do-release-upgrade
  Checking for a new Ubuntu release
  Get:1 Upgrade tool signature [198 B]                                           
  Get:2 Upgrade tool [1,214 kB]                                                  
  Fetched 1,214 kB in 0s (0 B/s)                                                 
  authenticate 'vivid.tar.gz' against 'vivid.tar.gz.gpg' 
  extracting 'vivid.tar.gz'

  Reading cache

  Checking package manager
  Reading package lists... Done
  Building dependency tree        
  Reading state information... Done
  Building data structures... Done 
  Ign http://archive.canonical.com trusty InRelease                              
  Ign http://extras.ubuntu.com trusty InRelease                                  
  Ign http://in.archive.ubuntu.com trusty InRelease                              
  Hit http://archive.canonical.com trusty Release.gpg                            
  Get:1 http://extras.ubuntu.com trusty Release.gpg [72 B]                       
  Hit http://in.archive.ubuntu.com trusty-updates InRelease                      
  Ign http://dl.google.com stable InRelease                                      
  Hit http://archive.canonical.com trusty Release                                
  Hit http://in.archive.ubuntu.com trusty-security InRelease                     
  Hit http://dl.google.com stable Release.gpg                                    
  Hit http://archive.canonical.com trusty/partner Sources                        
  Hit http://extras.ubuntu.com trusty Release                                    
  Ign http://extras.ubuntu.com trusty Release                                    
  Hit http://in.archive.ubuntu.com trusty-proposed InRelease                     
  Hit http://archive.canonical.com trusty/partner amd64 Packages                 
  Ign http://extras.ubuntu.com trusty/main Sources/DiffIndex                     
  Hit http://in.archive.ubuntu.com trusty Release.gpg                            
  Hit http://dl.google.com stable Release                                        
  Hit http://archive.canonical.com trusty/partner i386 Packages                  
  Ign http://extras.ubuntu.com trusty/main amd64 Packages/DiffIndex              
  Hit http://in.archive.ubuntu.com trusty-updates/main amd64 Packages            
  Err http://archive.canonical.com trusty/partner Translation-en                 

  Hit http://dl.google.com stable/main amd64 Packages                            
  Ign http://extras.ubuntu.com trusty/main i386 Packages/DiffIndex               
  Hit http://in.archive.ubuntu.com trusty-updates/restricted amd64 Packages      
  Err http://archive.canonical.com trusty/partner Translation-en                 

  Err http://extras.ubuntu.com trusty/main Translation-en_IN                     

  Hit http://in.archive.ubuntu.com trusty-updates/universe amd64 Packages        
  Hit http://dl.google.com stable/main i386 Packages                             
  Ign http://archive.canonical.com trusty/partner Translation-en                 
  Err http://extras.ubuntu.com trusty/main Translation-en                        

  Hit http://in.archive.ubuntu.com trusty-updates/multiverse amd64 Packages      
  Hit http://extras.ubuntu.com trusty/main Sources                               
  Hit http://in.archive.ubuntu.com trusty-updates/main i386 Packages             
  Err http://dl.google.com stable/main Translation-en_IN                         

  Hit http://extras.ubuntu.com trusty/main amd64 Packages                        
  Hit http://in.archive.ubuntu.com trusty-updates/restricted i386 Packages       
  Err http://dl.google.com stable/main Translation-en                            

  Hit http://extras.ubuntu.com trusty/main i386 Packages                         
  Hit http://in.archive.ubuntu.com trusty-updates/universe i386 Packages         
  Err http://extras.ubuntu.com trusty/main Translation-en_IN                     

  Hit http://in.archive.ubuntu.com trusty-updates/multiverse i386 Packages       
  Err http://dl.google.com stable/main Translation-en_IN                         

  Err http://extras.ubuntu.com trusty/main Translation-en                        

  Hit http://in.archive.ubuntu.com trusty-updates/main Translation-en            
  Err http://extras.ubuntu.com trusty/main Translation-en_IN                     

  Err http://dl.google.com stable/main Translation-en                            

  Hit http://in.archive.ubuntu.com trusty-updates/multiverse Translation-en      
  Err http://extras.ubuntu.com trusty/main Translation-en                        

  Hit http://in.archive.ubuntu.com trusty-updates/restricted Translation-en      
  Err http://dl.google.com stable/main Translation-en_IN                         

  Err http://extras.ubuntu.com trusty/main Translation-en_IN                     

  Hit http://in.archive.ubuntu.com trusty-updates/universe Translation-en        
  Err http://extras.ubuntu.com trusty/main Translation-en                        

  Err http://dl.google.com stable/main Translation-en                            

  Hit http://in.archive.ubuntu.com trusty-security/main amd64 Packages           
  Ign http://extras.ubuntu.com trusty/main Translation-en_IN                     
  Hit http://in.archive.ubuntu.com trusty-security/restricted amd64 Packages     
  Ign http://extras.ubuntu.com trusty/main Translation-en                        
  Err http://dl.google.com stable/main Translation-en_IN                         

  Hit http://in.archive.ubuntu.com trusty-security/universe amd64 Packages       
  Err http://dl.google.com stable/main Translation-en                            

  Hit http://in.archive.ubuntu.com trusty-security/multiverse amd64 Packages     
  Hit http://in.archive.ubuntu.com trusty-security/main i386 Packages            
  Ign http://dl.google.com stable/main Translation-en_IN                         
  Hit http://in.archive.ubuntu.com trusty-security/restricted i386 Packages      
  Hit http://in.archive.ubuntu.com trusty-security/universe i386 Packages        
  Ign http://dl.google.com stable/main Translation-en                            
  Hit http://in.archive.ubuntu.com trusty-security/multiverse i386 Packages      
  Hit http://in.archive.ubuntu.com trusty-security/main Translation-en           
  Hit http://in.archive.ubuntu.com trusty-security/multiverse Translation-en     
  Hit http://in.archive.ubuntu.com trusty-security/restricted Translation-en     
  Hit http://in.archive.ubuntu.com trusty-security/universe Translation-en       
  Hit http://in.archive.ubuntu.com trusty-proposed/restricted amd64 Packages     
  Hit http://in.archive.ubuntu.com trusty-proposed/main amd64 Packages           
  Hit http://in.archive.ubuntu.com trusty-proposed/multiverse amd64 Packages     
  Hit http://in.archive.ubuntu.com trusty-proposed/universe amd64 Packages       
  Hit http://in.archive.ubuntu.com trusty-proposed/restricted i386 Packages      
  Hit http://in.archive.ubuntu.com trusty-proposed/main i386 Packages            
  Hit http://in.archive.ubuntu.com trusty-proposed/multiverse i386 Packages      
  Hit http://in.archive.ubuntu.com trusty-proposed/universe i386 Packages        
  Hit http://in.archive.ubuntu.com trusty-proposed/main Translation-en           
  Hit http://in.archive.ubuntu.com trusty-proposed/multiverse Translation-en     
  Hit http://in.archive.ubuntu.com trusty-proposed/restricted Translation-en     
  Hit http://in.archive.ubuntu.com trusty-proposed/universe Translation-en       
  Hit http://in.archive.ubuntu.com trusty Release                                
  Hit http://in.archive.ubuntu.com trusty/main amd64 Packages                    
  Hit http://in.archive.ubuntu.com trusty/restricted amd64 Packages              
  Hit http://in.archive.ubuntu.com trusty/universe amd64 Packages                
  Hit http://in.archive.ubuntu.com trusty/multiverse amd64 Packages              
  Hit http://in.archive.ubuntu.com trusty/main i386 Packages                     
  Hit http://in.archive.ubuntu.com trusty/restricted i386 Packages               
  Hit http://in.archive.ubuntu.com trusty/universe i386 Packages                 
  Hit http://in.archive.ubuntu.com trusty/multiverse i386 Packages               
  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN                 

  Hit http://in.archive.ubuntu.com trusty/main Translation-en                    
  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN           

  Hit http://in.archive.ubuntu.com trusty/multiverse Translation-en              
  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN           

  Hit http://in.archive.ubuntu.com trusty/restricted Translation-en              
  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN             

  Hit http://in.archive.ubuntu.com trusty/universe Translation-en                
  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN                 

  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN           

  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN           

  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN             

  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN                 

  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN           

  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN           

  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN             

  Err http://in.archive.ubuntu.com trusty/main Translation-en_IN                 

  Err http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN           

  Err http://in.archive.ubuntu.com trusty/restricted Translation-en_IN           

  Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN             

  Ign http://in.archive.ubuntu.com trusty/main Translation-en_IN                 
  Ign http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN           
  Ign http://in.archive.ubuntu.com trusty/restricted Translation-en_IN           
  Ign http://in.archive.ubuntu.com trusty/universe Translation-en_IN             
  Fetched 72 B in 6s (16.0 MB/s)                                                 
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 

  Updating repository information

  Third party sources disabled

  Some third party entries in your sources.list were disabled. You can 
  re-enable them after the upgrade with the 'software-properties' tool 
  or your package manager. 

  To continue please press [ENTER]
  1453955104362	addons.update-checker	WARN	Update manifest for {972ce4c6-7e08-4474-a285-3208198ce6fd} did not contain an updates property
  1453955104865	addons.update-checker	WARN	Update manifest for ubufox at ubuntu.com did not contain an updates property

  Hit http://archive.canonical.com vivid InRelease                               
  Hit http://in.archive.ubuntu.com vivid InRelease                               
  Hit http://archive.canonical.com vivid/partner Sources                         
  Hit http://in.archive.ubuntu.com vivid-updates InRelease                       
  Hit http://archive.canonical.com vivid/partner amd64 Packages                  
  Hit http://in.archive.ubuntu.com vivid-security InRelease                      
  Hit http://archive.canonical.com vivid/partner i386 Packages                   
  Hit http://in.archive.ubuntu.com vivid-proposed InRelease                      
  Hit http://archive.canonical.com vivid/partner Translation-en                  
  Hit http://in.archive.ubuntu.com vivid/main amd64 Packages                     
  Hit http://in.archive.ubuntu.com vivid/restricted amd64 Packages               
  Hit http://in.archive.ubuntu.com vivid/universe amd64 Packages                 
  Hit http://in.archive.ubuntu.com vivid/multiverse amd64 Packages               
  Hit http://in.archive.ubuntu.com vivid/main i386 Packages                      
  Hit http://in.archive.ubuntu.com vivid/restricted i386 Packages                
  Hit http://in.archive.ubuntu.com vivid/universe i386 Packages                  
  Hit http://in.archive.ubuntu.com vivid/multiverse i386 Packages                
  Hit http://in.archive.ubuntu.com vivid/main Translation-en                     
  Hit http://in.archive.ubuntu.com vivid/multiverse Translation-en               
  Hit http://in.archive.ubuntu.com vivid/restricted Translation-en               
  Hit http://in.archive.ubuntu.com vivid/universe Translation-en                 
  Hit http://in.archive.ubuntu.com vivid-updates/main amd64 Packages             
  Hit http://in.archive.ubuntu.com vivid-updates/restricted amd64 Packages       
  Hit http://in.archive.ubuntu.com vivid-updates/universe amd64 Packages         
  Hit http://in.archive.ubuntu.com vivid-updates/multiverse amd64 Packages       
  Hit http://in.archive.ubuntu.com vivid-updates/main i386 Packages              
  Hit http://in.archive.ubuntu.com vivid-updates/restricted i386 Packages        
  Hit http://in.archive.ubuntu.com vivid-updates/universe i386 Packages          
  Hit http://in.archive.ubuntu.com vivid-updates/multiverse i386 Packages        
  Hit http://in.archive.ubuntu.com vivid-updates/main Translation-en             
  Hit http://in.archive.ubuntu.com vivid-updates/multiverse Translation-en       
  Hit http://in.archive.ubuntu.com vivid-updates/restricted Translation-en       
  Hit http://in.archive.ubuntu.com vivid-updates/universe Translation-en         
  Hit http://in.archive.ubuntu.com vivid-security/main amd64 Packages            
  Hit http://in.archive.ubuntu.com vivid-security/restricted amd64 Packages      
  Hit http://in.archive.ubuntu.com vivid-security/universe amd64 Packages        
  Hit http://in.archive.ubuntu.com vivid-security/multiverse amd64 Packages      
  Hit http://in.archive.ubuntu.com vivid-security/main i386 Packages             
  Hit http://in.archive.ubuntu.com vivid-security/restricted i386 Packages       
  Hit http://in.archive.ubuntu.com vivid-security/universe i386 Packages         
  Hit http://in.archive.ubuntu.com vivid-security/multiverse i386 Packages       
  Hit http://in.archive.ubuntu.com vivid-security/main Translation-en            
  Hit http://in.archive.ubuntu.com vivid-security/multiverse Translation-en      
  Hit http://in.archive.ubuntu.com vivid-security/restricted Translation-en      
  Hit http://in.archive.ubuntu.com vivid-security/universe Translation-en        
  Hit http://in.archive.ubuntu.com vivid-proposed/restricted amd64 Packages      
  Hit http://in.archive.ubuntu.com vivid-proposed/main amd64 Packages            
  Hit http://in.archive.ubuntu.com vivid-proposed/multiverse amd64 Packages      
  Hit http://in.archive.ubuntu.com vivid-proposed/universe amd64 Packages        
  Hit http://in.archive.ubuntu.com vivid-proposed/restricted i386 Packages       
  Hit http://in.archive.ubuntu.com vivid-proposed/main i386 Packages             
  Hit http://in.archive.ubuntu.com vivid-proposed/multiverse i386 Packages       
  Hit http://in.archive.ubuntu.com vivid-proposed/universe i386 Packages         
  Hit http://in.archive.ubuntu.com vivid-proposed/main Translation-en            
  Hit http://in.archive.ubuntu.com vivid-proposed/multiverse Translation-en      
  Hit http://in.archive.ubuntu.com vivid-proposed/restricted Translation-en      
  Hit http://in.archive.ubuntu.com vivid-proposed/universe Translation-en        
  Fetched 0 B in 6s (1,565 kB/s)                                                 

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 

  Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This can be caused by: 
  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. 

  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1538887/+subscriptions