don't know how to build these paths:
  /nix/store/cz4xk3ivxvwls6yl213dg5k6n4a6rq1c-check-showboat.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/x4b6zgknj7djvwqyd3pj6ccrccnbj6sk-showboat-0.6.1.drv' on farm.numtide.com:50051
showboat-0.6.1> bld1: building x4b6zgknj7djvwqyd3pj6ccrccnbj6sk-showboat-0.6.1.drv
showboat-0.6.1> Using versionCheckHook
showboat-0.6.1> Running phase: unpackPhase
showboat-0.6.1> unpacking source archive /nix/store/az454n5bq53dk66jaw32g85gbdb4gvyk-source
showboat-0.6.1> source root is source
showboat-0.6.1> Running phase: patchPhase
showboat-0.6.1> Running phase: updateAutotoolsGnuConfigScriptsPhase
showboat-0.6.1> Running phase: configurePhase
showboat-0.6.1> Running phase: buildPhase
showboat-0.6.1> Building subPackage ./.
showboat-0.6.1> Running phase: installPhase
showboat-0.6.1> Running phase: fixupPhase
showboat-0.6.1> shrinking RPATHs of ELF executables and libraries in /nix/store/hhri9kimlx9zs4q7pqf3m1rjp88913bg-showboat-0.6.1
showboat-0.6.1> shrinking /nix/store/hhri9kimlx9zs4q7pqf3m1rjp88913bg-showboat-0.6.1/bin/showboat
showboat-0.6.1> checking for references to /build/ in /nix/store/hhri9kimlx9zs4q7pqf3m1rjp88913bg-showboat-0.6.1...
showboat-0.6.1> patching script interpreter paths in /nix/store/hhri9kimlx9zs4q7pqf3m1rjp88913bg-showboat-0.6.1
showboat-0.6.1> stripping (with command strip and flags -S -p) in /nix/store/hhri9kimlx9zs4q7pqf3m1rjp88913bg-showboat-0.6.1/bin
showboat-0.6.1> Running phase: installCheckPhase
showboat-0.6.1> Executing versionCheckPhase
showboat-0.6.1> Successfully managed to find version 0.6.1 in the output of the command /nix/store/hhri9kimlx9zs4q7pqf3m1rjp88913bg-showboat-0.6.1/bin/showboat --version
showboat-0.6.1> 0.6.1
showboat-0.6.1> Finished versionCheckPhase
showboat-0.6.1> no Makefile or custom installCheckPhase, doing nothing
building '/nix/store/cz4xk3ivxvwls6yl213dg5k6n4a6rq1c-check-showboat.drv' on farm.numtide.com:50051
check-showboat> bld1: building cz4xk3ivxvwls6yl213dg5k6n4a6rq1c-check-showboat.drv