Merge pull request #6331 from kit-ty-kate/fix-admin-check-installability #3958

Job	Run time
Analyse	4s
Cygwin	4s
Hygiene	24s
Build-Linux (4.08.1)	2m 25s
Build-macOS (4.14.2)	2m 35s
Build-Linux (4.09.1)	2m 22s
Test-macOS (4.14.2)	24m 53s
Build-macOS (5.2.0)	3m 27s
Build-Linux (4.10.2)	2m 4s
Test-macOS (5.2.0)	23m 31s
Build-Linux (4.11.2)	2m 15s
Build-Linux (4.12.1)	2m 12s
Build-Linux (4.13.1)	2m 4s
Build-Linux (5.0.0)	2m 24s
Build-Linux (5.1.1)	1m 59s
Build-Linux (4.14.2)	1m 59s
Build-Linux (5.2.0)	2m 7s
Build-Windows (x86_64-pc-cygwin, x86_64-pc-cygwin, 4.14.2)	34m 58s
Build-Windows (i686-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	39m 7s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	39m 52s
Build-Windows (i686-pc-windows, x86_64-pc-cygwin, 4.14.2)	43m 11s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 4.14.2)	41m 58s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 5.2.0)	39m 33s
Cold-Linux	4m 47s
Solvers-Linux (z3, 4.14.2)	1m 1s
Doc-Linux (4.14.2)	1m 15s
Solvers-Linux (z3, 5.2.0)	1m 3s
Test-Linux (4.14.2)	11m 28s
Upgrade-Linux (4.14.2)	1m 32s
Test-Linux (5.2.0)	9m 37s
Solvers-Linux (0install, 4.14.2)	1m 19s
Doc-Linux (5.2.0)	1m 4s
Upgrade-Linux (5.2.0)	1m 19s
Solvers-Linux (0install, 5.2.0)	1m 23s
Upgrade-macOS (4.14.2)	2m 26s
Solvers-macOS (z3, 4.14.2)	14m 40s
Upgrade-macOS (5.2.0)	2m 42s
Solvers-macOS (z3, 5.2.0)	13m 56s
Solvers-macOS (0install, 4.14.2)	1m 36s
Solvers-macOS (0install, 5.2.0)	1m 21s
	6h 27m 57s

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