RIP travis, hits timeout of course

.travis.yml

@@ -1,3 +1,7 @@
+# This was a noble attempt, but it hits the current 50 minute job timeout :-)
+# https://travis-ci.org/cirosantilli/linux-kernel-module-cheat/builds/296454523
+# I bet it would likely hit a disk maxout either way if it went on.
+
 language: cpp
 
 sudo: required
@@ -8,5 +12,13 @@ install: |
 
 script: |
   cd "$TRAVIS_BUILD_DIR"
+  # -j: I'm unable to install nproc on Travis.
+  # TODO why? Is part of coreutils in Ubuntu 16.04:
+  # http://manpages.ubuntu.com/manpages/trusty/man1/nproc.1.html
+  # which ./configure is installing.
+  #
+  # awk: without it, too much stdout (4Mb max)
+  # If we ignore stdout: Travis kills job because it spent
+  # too long without any new stdout.
   bash -x ./build -j 16 |& awk 'NR % 1000 == 0'
   bash -x ./run -e 'init=/poweroff.out' -n