Heroku push causes a timeout error in the slug compiler for django

I have two heroku applications, staging and production. I can push my last code to the intermediate server without problems, however, when I try to bring my last code to production, I get a timeout error.

Looking at similar errors that people had, it looks like this could be a problem with the doc requirements or one of the packages. But I'm not sure how to start this debugging. We use many external packages. And the fact that it works in one heroku application, but not in another, makes one wonder how truly this previous application is.

It seems like a timeout at different times during the process without any other errors from what I can say. The first time it was installed after installing psycopg2, however, the last time it passed psycopg2 and then was installed on the gevent installation.

I am at a loss and this is the first time I have ever encountered this problem, and this assembly should exit as soon as possible. Does anyone have any ideas?

Here is a log like stackoverflow that allows me to post:

Running setup.py install for django-extensions Running setup.py install for dj-database-url Running setup.py install for django-grappelli Running setup.py develop for ckeditor Creating /app/.heroku/python/lib/python2.7/site-packages/django-ckeditor.egg-link (link to .) Adding django-ckeditor 3.6.2 to easy-install.pth file Installed /app/.heroku/src/ckeditor Running setup.py install for django-heroku-memcacheify Running setup.py install for django-tastypie Running setup.py install for boto package init file 'tests/db/__init__.py' not found (or not a regular file) package init file 'tests/ec2/elb/__init__.py' not found (or not a regular file) package init file 'tests/utils/__init__.py' not found (or not a regular file) package init file 'boto/emr/tests/__init__.py' not found (or not a regular file) changing mode of build/scripts-2.7/sdbadmin from 600 to 755 changing mode of build/scripts-2.7/elbadmin from 600 to 755 changing mode of build/scripts-2.7/cfadmin from 600 to 755 changing mode of build/scripts-2.7/s3put from 600 to 755 changing mode of build/scripts-2.7/fetch_file from 600 to 755 changing mode of build/scripts-2.7/launch_instance from 600 to 755 changing mode of build/scripts-2.7/list_instances from 600 to 755 changing mode of build/scripts-2.7/taskadmin from 600 to 755 changing mode of build/scripts-2.7/kill_instance from 600 to 755 changing mode of build/scripts-2.7/bundle_image from 600 to 755 changing mode of build/scripts-2.7/pyami_sendmail from 600 to 755 changing mode of build/scripts-2.7/lss3 from 600 to 755 changing mode of build/scripts-2.7/cq from 600 to 755 changing mode of build/scripts-2.7/route53 from 600 to 755 changing mode of build/scripts-2.7/s3multiput from 600 to 755 changing mode of build/scripts-2.7/cwutil from 600 to 755 changing mode of build/scripts-2.7/instance_events from 600 to 755 changing mode of build/scripts-2.7/asadmin from 600 to 755 changing mode of /app/.heroku/python/bin/sdbadmin to 755 changing mode of /app/.heroku/python/bin/taskadmin to 755 changing mode of /app/.heroku/python/bin/lss3 to 755 changing mode of /app/.heroku/python/bin/cq to 755 changing mode of /app/.heroku/python/bin/route53 to 755 changing mode of /app/.heroku/python/bin/cwutil to 755 changing mode of /app/.heroku/python/bin/pyami_sendmail to 755 changing mode of /app/.heroku/python/bin/instance_events to 755 changing mode of /app/.heroku/python/bin/s3multiput to 755 changing mode of /app/.heroku/python/bin/launch_instance to 755 changing mode of /app/.heroku/python/bin/s3put to 755 changing mode of /app/.heroku/python/bin/list_instances to 755 changing mode of /app/.heroku/python/bin/bundle_image to 755 changing mode of /app/.heroku/python/bin/kill_instance to 755 changing mode of /app/.heroku/python/bin/elbadmin to 755 changing mode of /app/.heroku/python/bin/fetch_file to 755 changing mode of /app/.heroku/python/bin/cfadmin to 755 changing mode of /app/.heroku/python/bin/asadmin to 755 Running setup.py install for django-storages Running setup.py install for psycopg2 building 'psycopg2._psycopg' extension gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/psycopgmodule.c -o build/temp.linux-x86_64-2.7/psycopg/psycopgmodule.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/green.c -o build/temp.linux-x86_64-2.7/psycopg/green.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/pqpath.c -o build/temp.linux-x86_64-2.7/psycopg/pqpath.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/utils.c -o build/temp.linux-x86_64-2.7/psycopg/utils.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/bytes_format.c -o build/temp.linux-x86_64-2.7/psycopg/bytes_format.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/connection_int.c -o build/temp.linux-x86_64-2.7/psycopg/connection_int.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/connection_type.c -o build/temp.linux-x86_64-2.7/psycopg/connection_type.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/cursor_int.c -o build/temp.linux-x86_64-2.7/psycopg/cursor_int.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/cursor_type.c -o build/temp.linux-x86_64-2.7/psycopg/cursor_type.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/lobject_int.c -o build/temp.linux-x86_64-2.7/psycopg/lobject_int.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/lobject_type.c -o build/temp.linux-x86_64-2.7/psycopg/lobject_type.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/notify_type.c -o build/temp.linux-x86_64-2.7/psycopg/notify_type.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/xid_type.c -o build/temp.linux-x86_64-2.7/psycopg/xid_type.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_asis.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_asis.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_binary.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_binary.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_datetime.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_datetime.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_list.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_list.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_pboolean.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_pboolean.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_pdecimal.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_pdecimal.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_pint.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_pint.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_pfloat.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_pfloat.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/adapter_qstring.c -o build/temp.linux-x86_64-2.7/psycopg/adapter_qstring.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/microprotocols.c -o build/temp.linux-x86_64-2.7/psycopg/microprotocols.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/microprotocols_proto.c -o build/temp.linux-x86_64-2.7/psycopg/microprotocols_proto.o -Wdeclaration-after-statement gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.4.6 (dt dec pq3 ext)" -DPG_VERSION_HEX=0x080409 -DPSYCOPG_EXTENSIONS=1 -DPSYCOPG_NEW_BOOLEAN=1 -DHAVE_PQFREEMEM=1 -I/app/.heroku/python/include/python2.7 -I. -I/usr/include/postgresql -I/usr/include/postgresql/8.4/server -c psycopg/typecast.c -o build/temp.linux-x86_64-2.7/psycopg/typecast.o -Wdeclaration-after-statement gcc -pthread -shared build/temp.linux-x86_64-2.7/psycopg/psycopgmodule.o build/temp.linux-x86_64-2.7/psycopg/green.o build/temp.linux-x86_64-2.7/psycopg/pqpath.o build/temp.linux-x86_64-2.7/psycopg/utils.o build/temp.linux-x86_64-2.7/psycopg/bytes_format.o build/temp.linux-x86_64-2.7/psycopg/connection_int.o build/temp.linux-x86_64-2.7/psycopg/connection_type.o build/temp.linux-x86_64-2.7/psycopg/cursor_int.o build/temp.linux-x86_64-2.7/psycopg/cursor_type.o build/temp.linux-x86_64-2.7/psycopg/lobject_int.o build/temp.linux-x86_64-2.7/psycopg/lobject_type.o build/temp.linux-x86_64-2.7/psycopg/notify_type.o build/temp.linux-x86_64-2.7/psycopg/xid_type.o build/temp.linux-x86_64-2.7/psycopg/adapter_asis.o build/temp.linux-x86_64-2.7/psycopg/adapter_binary.o build/temp.linux-x86_64-2.7/psycopg/adapter_datetime.o build/temp.linux-x86_64-2.7/psycopg/adapter_list.o build/temp.linux-x86_64-2.7/psycopg/adapter_pboolean.o build/temp.linux-x86_64-2.7/psycopg/adapter_pdecimal.o build/temp.linux-x86_64-2.7/psycopg/adapter_pint.o build/temp.linux-x86_64-2.7/psycopg/adapter_pfloat.o build/temp.linux-x86_64-2.7/psycopg/adapter_qstring.o build/temp.linux-x86_64-2.7/psycopg/microprotocols.o build/temp.linux-x86_64-2.7/psycopg/microprotocols_proto.o build/temp.linux-x86_64-2.7/psycopg/typecast.o -L/usr/lib -lpq -o build/lib.linux-x86_64-2.7/psycopg2/_psycopg.so /app/slug-compiler/lib/utils.rb:66:in `block (2 levels) in spawn': command='/app/slug-compiler/lib/../../tmp/buildpacks/python/bin/compile /tmp/build_2ptirkdt1juhy /app/tmp/repo.git/.cache' exit_status=0 out='' at=timeout elapsed=900.018394947052 (Utils::TimeoutError) from /app/slug-compiler/lib/utils.rb:52:in `loop' from /app/slug-compiler/lib/utils.rb:52:in `block in spawn' from /app/slug-compiler/lib/utils.rb:47:in `popen' from /app/slug-compiler/lib/utils.rb:47:in `spawn' from /app/slug-compiler/lib/buildpack.rb:37:in `block in compile' from /app/slug-compiler/lib/buildpack.rb:35:in `fork' from /app/slug-compiler/lib/buildpack.rb:35:in `compile' from /app/slug-compiler/lib/slug.rb:497:in `block in run_buildpack' from /app/slug-compiler/lib/utils.rb:121:in `log' from /app/slug-compiler/lib/slug.rb:748:in `log' from /app/slug-compiler/lib/slug.rb:496:in `run_buildpack' from /app/slug-compiler/lib/slug.rb:125:in `block (2 levels) in compile' from /app/slug-compiler/lib/utils.rb:102:in `block in timeout' from /usr/local/lib/ruby/1.9.1/timeout.rb:58:in `timeout' from /app/slug-compiler/lib/utils.rb:102:in `rescue in timeout' from /app/slug-compiler/lib/utils.rb:97:in `timeout' from /app/slug-compiler/lib/slug.rb:114:in `block in compile' from /app/slug-compiler/lib/utils.rb:121:in `log' from /app/slug-compiler/lib/slug.rb:748:in `log' from /app/slug-compiler/lib/slug.rb:113:in `compile' from /app/slug-compiler/bin/slugc:85:in `block in <main>' from /app/slug-compiler/lib/slug.rb:505:in `block in lock' from /app/slug-compiler/lib/repo_lock.rb:44:in `call' from /app/slug-compiler/lib/repo_lock.rb:44:in `run' from /app/slug-compiler/lib/slug.rb:505:in `lock' from /app/slug-compiler/bin/slugc:66:in `<main>' ! Heroku push rejected, failed to compile Python app Auto packing the repository for optimum performance. Connection to 10.217.65.204 closed by remote host. To git@heroku.com :belo.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to ' git@heroku.com :belo.git' Completed with errors, see above 
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Now there is a correct but undocumented solution to this problem (the github history shows that it was implemented in February 2013): the COMPILE_TIMEOUT environment COMPILE_TIMEOUT . Set it the same way as for the 50-minute timeout (the default is “900” or 15 minutes):

 $ heroku config:set COMPILE_TIMEOUT=3000 

(note: you need user-env-compile to enable this function)

Update: Please read the comments of this answer for an important update - a short story, Heroku recommends contacting the support service directly at these and COMPILE_TIMEOUT either no longer works or has never worked as a solution to this particular problem.

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I heard from the support of Geroku. In my particular case, the problem was that we just have too many dependencies in the requirements. This is a very large project, and we use many third-party modules, and it just took too long to install and create a bullet.

The solution was to comment on half of our requirements and click, then cancel the comments and click again.

Here is the answer from Heroku:

This is a lot of addictions!

I would recommend clicking once with only half of your dependencies, and then with all of them all. Then you do not press the timeout.

Once installed, they are cached, so you should not run this again.

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