Sourcing python-remove-tests-dir-hook
Sourcing python-catch-conflicts-hook.sh
Sourcing python-remove-bin-bytecode-hook.sh
Sourcing python-imports-check-hook.sh
Using pythonImportsCheckPhase
Sourcing python-namespaces-hook
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking sources
unpacking source archive /nix/store/fz7lr5frfac3k7wcvrphrjnjn5x9895r-python3-3.7.11
source root is python3-3.7.11
setting SOURCE_DATE_EPOCH to timestamp 315619200 of file python3-3.7.11/share/man/man1/python3.7.1.gz
@nix { "action": "setPhase", "phase": "patchPhase" }
patching sources
@nix { "action": "setPhase", "phase": "configurePhase" }
configuring
no configure script, doing nothing
@nix { "action": "setPhase", "phase": "buildPhase" }
building
no Makefile, doing nothing
@nix { "action": "setPhase", "phase": "installPhase" }
installing
@nix { "action": "setPhase", "phase": "fixupPhase" }
post-installation fixup
shrinking RPATHs of ELF executables and libraries in /nix/store/q5sq2lmpgz3pp9vhjqgysvd1bl3r0cn4-python3.7-tkinter-3.7.11
shrinking /nix/store/q5sq2lmpgz3pp9vhjqgysvd1bl3r0cn4-python3.7-tkinter-3.7.11/lib/python3.7/site-packages/_tkinter.cpython-37m-x86_64-linux-gnu.so
strip is /nix/store/a4mmjm3bblxwp8h53bcfx3dly80ib0ba-binutils-2.35.1/bin/strip
stripping (with command strip and flags -S) in /nix/store/q5sq2lmpgz3pp9vhjqgysvd1bl3r0cn4-python3.7-tkinter-3.7.11/lib 
patching script interpreter paths in /nix/store/q5sq2lmpgz3pp9vhjqgysvd1bl3r0cn4-python3.7-tkinter-3.7.11
checking for references to /build/ in /nix/store/q5sq2lmpgz3pp9vhjqgysvd1bl3r0cn4-python3.7-tkinter-3.7.11...
Executing pythonRemoveTestsDir
Finished executing pythonRemoveTestsDir
@nix { "action": "setPhase", "phase": "installCheckPhase" }
running install tests
no Makefile or custom installCheckPhase, doing nothing
@nix { "action": "setPhase", "phase": "pythonCatchConflictsPhase" }
pythonCatchConflictsPhase
@nix { "action": "setPhase", "phase": "pythonRemoveBinBytecodePhase" }
pythonRemoveBinBytecodePhase
@nix { "action": "setPhase", "phase": "pythonImportsCheckPhase" }
pythonImportsCheckPhase
Executing pythonImportsCheckPhase