Test suite logs aren't printed on failure during package build

> make[4]: *** [Makefile:6303: tests/publish.log] Error 134

> make[4]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

> make[3]: *** [Makefile:6285: check-TESTS] Error 2

> make[3]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

> make[2]: *** [Makefile:6533: check-am] Error 2

> make[2]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

> make[1]: *** [Makefile:6062: check-recursive] Error 1

> make[1]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

> make: *** [Makefile:6535: check] Error 2

>

> Test suite failed, dumping logs.

> error: in phase 'check': uncaught exception:

> %exception #<&invoke-error program: "make" arguments: ("check") exit-status: 2 term-signal: #f stop-signal: #f>

> phase `check' failed after 358.4 seconds

> command "make" "check" failed with status 2

> builder for `/gnu/store/aw8li62xps10cz32crrxvm18ccafvzh0-guix-1.4.0-8.0e6215a.drv' failed with exit code 1

> @ build-failed /gnu/store/aw8li62xps10cz32crrxvm18ccafvzh0-guix-1.4.0-8.0e6215a.drv - 1 builder for `/gnu/store/aw8li62xps10cz32crrxvm18ccafvzh0-guix-1.4.0-8.0e6215a.drv' failed with exit code 1

> cannot build derivation `/gnu/store/dhf0chl41bj37a20c7bwdqnbjjgsc1i0-gwl-0.5.1.drv': 1 dependencies couldn't be built

> From https://ci.guix.gnu.org/build/1865837/log/raw:

>

>> make[4]: *** [Makefile:6303: tests/publish.log] Error 134

>> make[4]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

>> make[3]: *** [Makefile:6285: check-TESTS] Error 2

>> make[3]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

>> make[2]: *** [Makefile:6533: check-am] Error 2

>> make[2]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

>> make[1]: *** [Makefile:6062: check-recursive] Error 1

>> make[1]: Leaving directory '/tmp/guix-build-guix-1.4.0-8.0e6215a.drv-0/source'

>> make: *** [Makefile:6535: check] Error 2

>> Test suite failed, dumping logs.

>> error: in phase 'check': uncaught exception:

>> %exception #<&invoke-error program: "make" arguments: ("check")

>> exit-status: 2 term-signal: #f stop-signal: #f> phase `check' failed

>> after 358.4 seconds

>> command "make" "check" failed with status 2

>> builder for

>> `/gnu/store/aw8li62xps10cz32crrxvm18ccafvzh0-guix-1.4.0-8.0e6215a.drv'

>> failed with exit code 1

>> @ build-failed

>> /gnu/store/aw8li62xps10cz32crrxvm18ccafvzh0-guix-1.4.0-8.0e6215a.drv

>> - 1 builder for

>> `/gnu/store/aw8li62xps10cz32crrxvm18ccafvzh0-guix-1.4.0-8.0e6215a.drv'

>> failed with exit code 1

>> cannot build derivation

>> `/gnu/store/dhf0chl41bj37a20c7bwdqnbjjgsc1i0-gwl-0.5.1.drv': 1

>> dependencies couldn't be built

>

> Sure, the log has been dumped somewhere, but it's dumped in the build

> directory instead of the build log of the Guix package. It would be

> quite convenient if there were some kind of flag or something (that is

> enabled in the package definition) to dump dump it to stderr. Or just

> some ad-hoc:

>

>

> (guard (c ((invoke-error? c)

> [copy all tests/*.log to stderr]

> (raise-continuable c)))

> [run tests]).