Do not ask to install pin-depends twice #4054

Job	Run time
Analyse	4s
Cygwin	4s
Build-macOS (4.14.2)	3m 1s
Build-Linux (4.08.1)	2m 40s
Build-macOS (5.3.0)	3m 41s
Build-Linux (4.09.1)	2m 25s
Test-macOS (4.14.2)	34m 21s
Hygiene	23s
Build-Linux (4.10.2)	2m 23s
Test-macOS (5.3.0)	25m 28s
Build-Linux (4.11.2)	2m 40s
Build-Linux (4.12.1)	2m 29s
Build-Linux (4.13.1)	2m 25s
Build-Linux (5.0.0)	2m 59s
Build-Linux (5.1.1)	2m 26s
Build-Linux (5.2.1)	3m 3s
Build-Linux (4.14.2)	2m 41s
Build-Linux (5.3.0)	2m 32s
Build-Windows (x86_64-pc-cygwin, x86_64-pc-cygwin, 4.14.2)	36m 28s
Build-Windows (i686-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	41m 8s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 4.14.2)	43m 37s
Build-Windows (i686-pc-windows, x86_64-pc-cygwin, 4.14.2)	44m 51s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 4.14.2)	44m 31s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 5.3.0)	41m 23s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 5.3.0)	41m 38s
Cold-Linux	5m 25s
Test-Linux (4.14.2)	10m 55s
Doc-Linux (4.14.2)	1m 7s
Solvers-Linux (z3, 4.14.2)	52s
Test-Linux (5.3.0)	9m 27s
Upgrade-Linux (4.14.2)	1m 24s
Doc-Linux (5.3.0)	1m 18s
Solvers-Linux (z3, 5.3.0)	53s
Upgrade-Linux (5.3.0)	1m 20s
Solvers-Linux (0install, 4.14.2)	1m 22s
Solvers-Linux (0install, 5.3.0)	1m 36s
Upgrade-macOS (4.14.2)	1m 43s
Solvers-macOS (z3, 4.14.2)	1m 48s
Upgrade-macOS (5.3.0)	1m 54s
Solvers-macOS (z3, 5.3.0)	1m 40s
Solvers-macOS (0install, 4.14.2)	1m 36s
Solvers-macOS (0install, 5.3.0)	1m 22s
	7h 15m 3s

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