ContractViolation: 
Postcondition violation!
error in png_read_row(): Read Error
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/png.cxx:389)

caught exception: 
Postcondition violation!
error in png_read_row(): Read Error
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/png.cxx:389)

convert: unable to open image `/tmp/frame-052-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-052.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-052-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-063-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-063.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-063-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-064-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-064.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-064-0000.tif’: No such file or directory
ContractViolation: 
Postcondition violation!
error in png_read_row(): Read Error
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/png.cxx:389)

caught exception: 
Postcondition violation!
error in png_read_row(): Read Error
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/png.cxx:389)

convert: unable to open image `/tmp/frame-062-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-062.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-062-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-065-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-065.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-065-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-066-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-066.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-066-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-067-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-067.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-067-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-068-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-068.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-068-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-069-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-069.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-069-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-070-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-070.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-070-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-071-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-071.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-071-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-072-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-072.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-072-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-073-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-073.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-073-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-074-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-074.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-074-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-075-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-075.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-075-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-077-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-077.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-077-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-076-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-076.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-076-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-078-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-078.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-078-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-079-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-079.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-079-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-080-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-080.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-080-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-081-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-081.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-081-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-082-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-082.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-082-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-083-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-083.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-083-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-084-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-084.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-084-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-085-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-085.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-085-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-086-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-086.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-086-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-087-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-087.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-087-0000.tif’: No such file or directory
ContractViolation: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

caught exception: 
Precondition violation!
did not find a matching file type.
(/build/buildd/hugin-2014.0.0+dfsg/src/foreign/vigra/vigra_impex/codecmanager.cxx:240)

convert: unable to open image `/tmp/frame-088-0000.tif': No such file or directory @ error/blob.c/OpenBlob/2709.
convert: no images defined `frame-088.png' @ error/convert.c/ConvertImageCommand/3210.
rm: cannot remove ‘/tmp/frame-088-0000.tif’: No such file or directory