minor #28965 [Process] pass all output to the wait-until callback (nicolas-grekas)
minor #28965 [Process] pass all output to the wait-until callback (nicolas-grekas)

This PR was merged into the 4.2-dev branch.

Discussion
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[Process] pass all output to the wait-until callback

| Q             | A
| ------------- | ---
| Branch?       | 4.2
| Bug fix?      | yes
| New feature?  |
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Introduced yesterday, my bad.
Should make appveyor green hopefully.

Commits
-------

a320133b1d [Process] pass all output to the wait-until callback

ragboyjr/symfony,curry684/symfony,hhamon/symfony,localheinz/symfony,alekitto/symfony,kbond/symfony,frankdejonge/symfony,andrerom/symfony,OskarStark/symfony,hhamon/symfony,jvasseur/symfony,damienalexandre/symfony,ogizanagi/symfony,curry684/symfony,gonzalovilaseca/symfony,gnat42/symfony,ogizanagi/symfony,derrabus/symfony,Slamdunk/symfony,oleg-andreyev/symfony,lstrojny/symfony,yceruto/symfony,mweimerskirch/symfony,zcodes/symfony,chalasr/symfony,curry684/symfony,teohhanhui/symfony,andreia/symfony,1ed/symfony,stof/symfony,mnapoli/symfony,gonzalovilaseca/symfony,zcodes/symfony,jderusse/symfony,zorn-v/symfony,xabbuh/symfony,fabpot/symfony,gnat42/symfony,lyrixx/symfony,jvasseur/symfony,OskarStark/symfony,andreia/symfony,Deamon/symfony,Slamdunk/symfony,ro0NL/symfony,MatTheCat/symfony,pierredup/symfony,xabbuh/symfony,sroze/symfony,andreia/symfony,romaricdrigon/symfony,deguif/symfony,dmaicher/symfony,Nyholm/symfony,shieldo/symfony,ajgarlag/symfony,Koc/symfony,gnat42/symfony,mpdude/symfony,Simperfit/symfony,Deamon/symfony,Taluu/symfony,fabpot/symfony,ragboyjr/symfony,dmaicher/symfony,sgehrig/symfony,Koc/symfony,teohhanhui/symfony,mweimerskirch/symfony,joelwurtz/symfony,kbond/symfony,arjenm/symfony,dmaicher/symfony,Simperfit/symfony,paradajozsef/symfony,mpdude/symfony,damienalexandre/symfony,symfony/symfony,mweimerskirch/symfony,Tobion/symfony,damienalexandre/symfony,jderusse/symfony,jakzal/symfony,Simperfit/symfony,lstrojny/symfony,phramz/symfony,sroze/symfony,romaricdrigon/symfony,ogizanagi/symfony,mnapoli/symfony,pyrech/symfony,HeahDude/symfony,ajgarlag/symfony,jderusse/symfony,joelwurtz/symfony,frankdejonge/symfony,garak/symfony,vincentaubert/symfony,smatyas/symfony,Nyholm/symfony,shieldo/symfony,teohhanhui/symfony,Taluu/symfony,frankdejonge/symfony,yceruto/symfony,deguif/symfony,frankdejonge/symfony,kbond/symfony,oleg-andreyev/symfony,mweimerskirch/symfony,alekitto/symfony,teohhanhui/symfony,maidmaid/symfony,ro0NL/symfony,pierredup/symfony,mpdude/symfony,zorn-v/symfony,nicolas-grekas/symfony,nicolas-grekas/symfony,shieldo/symfony,bendavies/symfony,ragboyjr/symfony,chalasr/symfony,chalasr/symfony,phramz/symfony,sroze/symfony,damienalexandre/symfony,andrerom/symfony,smatyas/symfony,derrabus/symfony,Slamdunk/symfony,ro0NL/symfony,arjenm/symfony,localheinz/symfony,dmaicher/symfony,andrerom/symfony,garak/symfony,jakzal/symfony,Tobion/symfony,docteurklein/symfony,bendavies/symfony,joelwurtz/symfony,deguif/symfony,ajgarlag/symfony,mnapoli/symfony,1ed/symfony,Taluu/symfony,mnapoli/symfony,romaricdrigon/symfony,lyrixx/symfony,zcodes/symfony,ro0NL/symfony,sgehrig/symfony,oleg-andreyev/symfony,Tobion/symfony,d-ph/symfony,jakzal/symfony,HeahDude/symfony,maidmaid/symfony,jderusse/symfony,tucksaun/symfony,tgalopin/symfony,lyrixx/symfony,pyrech/symfony,stof/symfony,maidmaid/symfony,joelwurtz/symfony,smatyas/symfony,sgehrig/symfony,sgehrig/symfony,HeahDude/symfony,derrabus/symfony,phramz/symfony,kbond/symfony,paradajozsef/symfony,d-ph/symfony,d-ph/symfony,Deamon/symfony,xabbuh/symfony,derrabus/symfony,d-ph/symfony,yceruto/symfony,maidmaid/symfony,Simperfit/symfony,mweimerskirch/symfony,gnat42/symfony,docteurklein/symfony,hhamon/symfony,arjenm/symfony,Deamon/symfony,Nyholm/symfony,yceruto/symfony,sroze/symfony,andreia/symfony,romaricdrigon/symfony,docteurklein/symfony,voronkovich/symfony,zorn-v/symfony,lstrojny/symfony,vincentaubert/symfony,ajgarlag/symfony,ragboyjr/symfony,symfony/symfony,MatTheCat/symfony,1ed/symfony,garak/symfony,bendavies/symfony,OskarStark/symfony,paradajozsef/symfony,curry684/symfony,Koc/symfony,Taluu/symfony,pyrech/symfony,symfony/symfony,garak/symfony,pyrech/symfony,MatTheCat/symfony,phramz/symfony,Koc/symfony,deguif/symfony,zerkms/symfony,stof/symfony,pierredup/symfony,arjenm/symfony,oleg-andreyev/symfony,stof/symfony,fabpot/symfony,localheinz/symfony,gonzalovilaseca/symfony,HeahDude/symfony,tgalopin/symfony,zcodes/symfony,OskarStark/symfony,bendavies/symfony,lyrixx/symfony,ogizanagi/symfony,pierredup/symfony,Deamon/symfony,smatyas/symfony,alekitto/symfony,localheinz/symfony,hhamon/symfony,zorn-v/symfony,Simperfit/symfony,tucksaun/symfony,andrerom/symfony,nicolas-grekas/symfony,jvasseur/symfony,MatTheCat/symfony,zerkms/symfony,Slamdunk/symfony,paradajozsef/symfony,vincentaubert/symfony,voronkovich/symfony,jakzal/symfony,gonzalovilaseca/symfony,jvasseur/symfony,tgalopin/symfony,alekitto/symfony,symfony/symfony,shieldo/symfony,docteurklein/symfony,chalasr/symfony,mpdude/symfony,vincentaubert/symfony,zerkms/symfony,voronkovich/symfony,nicolas-grekas/symfony,voronkovich/symfony,zerkms/symfony,1ed/symfony,mnapoli/symfony,docteurklein/symfony,Nyholm/symfony,tgalopin/symfony,tucksaun/symfony,tucksaun/symfony,smatyas/symfony,Tobion/symfony,xabbuh/symfony,fabpot/symfony