Bug#877131: lua-torch-image: FTBFS: ./image.lua:156: [read_png] Error during init_io: IDAT: chunk data is too large

[Andreas Beckmann]

Source: lua-torch-image
Version: 0~20170420-g5aa1881-2
Severity: serious
Justification: fails to build from source (but built successfully in the past)

Hi,

lua-torch-image FTBFS for me in a sid/experimental amd64 pbuilder chroot
with some test failures:

[...]
luajit: /usr/share/lua/5.1/torch/Tester.lua:363: An error was found while running tests!
stack traceback:
        [C]: in function 'assert'
        /usr/share/lua/5.1/torch/Tester.lua:363: in function 'run'
        ./image/test.lua:708: in function 'test'
        (command line):1: in main chunk
        [C]: at 0x5617972f11d0
Completed 74 asserts in 41 tests with ESC[0;32m0 failuresESC[0m and ESC[0;35m2 errorsESC[0m
--------------------------------------------------------------------------------
LoadPNG
 Function call failed
./image.lua:156: [read_png] Error during init_io: IDAT: chunk data is too large
stack traceback:
        [C]: in function 'load'
        ./image.lua:156: in function 'loader'
        ./image.lua:388: in function 'load'
        ./image/test.lua:538: in function 'checkPNG'
        ./image/test.lua:549: in function <./image/test.lua:546>
        [C]: in function 'xpcall'
        /usr/share/lua/5.1/torch/Tester.lua:477: in function '_pcall'
        /usr/share/lua/5.1/torch/Tester.lua:436: in function '_run'
        /usr/share/lua/5.1/torch/Tester.lua:355: in function 'run'
        ./image/test.lua:708: in function 'test'
        (command line):1: in main chunk
        [C]: at 0x5617972f11d0

--------------------------------------------------------------------------------
DecompressPNG
 Function call failed
./image.lua:156: [read_png] Error during init_io: IDAT: chunk data is too large
stack traceback:
        [C]: in function 'load'
        ./image.lua:156: in function 'loader'
        ./image.lua:388: in function 'load'
        ./image/test.lua:578: in function <./image/test.lua:576>
        [C]: in function 'xpcall'
        /usr/share/lua/5.1/torch/Tester.lua:477: in function '_pcall'
        /usr/share/lua/5.1/torch/Tester.lua:436: in function '_run'
        /usr/share/lua/5.1/torch/Tester.lua:355: in function 'run'
        ./image/test.lua:708: in function 'test'
        (command line):1: in main chunk
        [C]: at 0x5617972f11d0

--------------------------------------------------------------------------------
debian/rules:14: recipe for target 'override_dh_auto_test' failed
make[1]: *** [override_dh_auto_test] Error 1

full log attached


Andreas
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