Print the full log on travis.

Use EXTRA_TEST_ARGS in the Makefile to pass in --logtostderr when
running on travis.

.travis.yml

@@ -12,7 +12,7 @@ install:
  - travis_retry make install_coverage_deps
 
 # Run all tests, under race detector.
-script: make testrace
+script: make testrace EXTRA_TEST_ARGS=--logtostderr
 
 # If the full suite passes, run again to collect coverage, merge all of the
 # packages reports, and send to coveralls.io.

Makefile

@@ -63,23 +63,23 @@ emgen/emgen: emgen/emgen.go
 
 .PHONY: test
 test: $(GOFILES) $(GOTESTFILES) mtail
-	go test -v -timeout 60s ./...
+	go test -v -timeout 60s ./... $(EXTRA_TEST_ARGS)
 
 .PHONY: testrace
 testrace: $(GOFILES) $(GOTESTFILES) mtail
-	go test -v -timeout 5m -race ./...
+	go test -v -timeout 5m -race ./... $(EXTRA_TEST_ARGS)
 
 .PHONY: smoke
 smoke: $(GOFILES) $(GOTESTFILES) mtail
-	go test -v -timeout 10s -test.short ./...
+	go test -v -timeout 10s -test.short ./... $(EXTRA_TEST_ARGS)
 
 .PHONY: bench
 bench: $(GOFILES) $(GOTESTFILES)
-	go test -bench=. -timeout 60s -run=XXX ./...
+	go test -bench=. -timeout 60s -run=XXX ./... $(EXTRA_TEST_ARGS)
 
 .PHONY: recbench
 recbench: $(GOFILES) $(GOTESTFILES)
-	go test -bench=. -run=XXX --record_benchmark ./...
+	go test -bench=. -run=XXX --record_benchmark ./... $(EXTRA_TEST_ARGS)
 
 .PHONY: coverage
 coverage: gover.coverprofile