>>> libebml 1.4.2 Downloading
wget --passive-ftp -nd -t 3 --no-check-certificate -O '/tmp/instance-0/output-1/build/.libebml-1.4.2.tar.xz.vjk1Yf/output' 'http://dl.matroska.org/downloads/libebml/libebml-1.4.2.tar.xz' 
URL transformed to HTTPS due to an HSTS policy
--2021-08-07 19:07:21--  https://dl.matroska.org/downloads/libebml/libebml-1.4.2.tar.xz
Resolving dl.matroska.org (dl.matroska.org)... 2a01:4f8:200:144f::101:1, 144.76.140.85
Connecting to dl.matroska.org (dl.matroska.org)|2a01:4f8:200:144f::101:1|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 70484 (69K) [application/octet-stream]
Saving to: '/tmp/instance-0/output-1/build/.libebml-1.4.2.tar.xz.vjk1Yf/output'

     0K .......... .......... .......... .......... .......... 72% 3.71M 0s
    50K .......... ........                                   100%  258M=0.01s

2021-08-07 19:07:21 (5.08 MB/s) - '/tmp/instance-0/output-1/build/.libebml-1.4.2.tar.xz.vjk1Yf/output' saved [70484/70484]

libebml-1.4.2.tar.xz: OK (sha256: 41c7237ce05828fb220f62086018b080af4db4bb142f31bec0022c925889b9f2)
>>> libebml 1.4.2 Extracting
xzcat /tmp/instance-0/dl/libebml/libebml-1.4.2.tar.xz | tar --strip-components=1 -C /tmp/instance-0/output-1/build/libebml-1.4.2   -xf -
>>> libebml 1.4.2 Patching

Applying 0001-include-appropriate-header-files-for-std-numeric_limits.patch using patch: 
patching file ChangeLog
Hunk #1 FAILED at 1.
1 out of 1 hunk FAILED -- saving rejects to file ChangeLog.rej
patching file src/EbmlString.cpp
patching file src/EbmlUnicodeString.cpp
make: *** [package/pkg-generic.mk:227: /tmp/instance-0/output-1/build/libebml-1.4.2/.stamp_patched] Error 1
make: Leaving directory '/tmp/instance-0/buildroot'