I'm getting this test failure, presumably because of a version bump in containers. I think this is a clean build from scratch. Could someone have forgotten to update a test file? Simon =====> package01e(normal) 1 of 1 [0, 0, 0] cd "./package01e.run" && "/5playpen/simonpj/HEAD-5/inplace/test spaces/ghc-stage2" -c package01e.hs -dcore-lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret -dno-debug-output -hide-all-packages -XNoImplicitPrelude -package "containers (Data.Map as Map, Data.Set)" Actual stderr output differs from expected: diff -uw "./package01e.run/package01e.stderr.normalised" "./package01e.run/package01e.comp.stderr.normalised" --- ./package01e.run/package01e.stderr.normalised 2018-02-07 09:52:44.562487065 +0000 +++ ./package01e.run/package01e.comp.stderr.normalised 2018-02-07 09:52:44.562487065 +0000 @@ -2,9 +2,11 @@ package01e.hs:2:1: Could not find module 'Data.Map' It is a member of the hidden package 'containers-0.5.11.0'. + It is a member of the hidden package 'containers-0.5.10.2'. Use -v to see a list of the files searched for. package01e.hs:3:1: Could not find module 'Data.IntMap' It is a member of the hidden package 'containers-0.5.11.0'. + It is a member of the hidden package 'containers-0.5.10.2'. Use -v to see a list of the files searched for. *** unexpected failure for package01e(normal)