psc-spack-ubuntu-20.04: yet more diagnostics

last one seemed to indicate that it was bzip2 again

Author: JamesMcClung

docker/psc-spack-ubuntu-20.04/Dockerfile

@@ -44,7 +44,7 @@ RUN spack config --scope system add "packages:all:target: [haswell]" \
 # spack spec and the -d flag are purely for diagnostic purposes
 RUN spack env create -d psc-env && \
     spack env activate psc-env && spack add adios2 \
-    && spack install --show-log-on-error && spack clean -a
+    && spack install --show-log-on-error --include-build-deps -v && spack clean -a
 
 COPY spack/ spack