check flags:    
building check-recursive
Making check in lib
make[1]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/lib'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/lib'
Making check in utils
make[1]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils'
building check-recursive
Making check in lift-error
make[2]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lift-error'
building check-am
make  check-TESTS
make[3]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lift-error'
building example.sh
building check-TESTS
PASS: example.sh
==================
All 1 tests passed
==================
make[3]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lift-error'
make[2]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lift-error'
Making check in lower-error
make[2]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lower-error'
building check-am
make  check-TESTS
make[3]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lower-error'
building example.sh
building check-TESTS
PASS: example.sh
==================
All 1 tests passed
==================
make[3]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lower-error'
make[2]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/lower-error'
Making check in error-diff
make[2]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/error-diff'
make[2]: Nothing to be done for `check'.
make[2]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils/error-diff'
make[2]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils'
make[2]: Nothing to be done for `check-am'.
make[2]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils'
make[1]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/utils'
Making check in doc
make[1]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/doc'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6/doc'
make[1]: Entering directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6'
make[1]: Nothing to be done for `check-am'.
make[1]: Leaving directory `/tmp/nix-build-cf39v0k6vg5bxndy8zwp5hr29l3by1jp-error-support.drv-0/error-support-1.6'