Check faccessat #469

Job	Run time
Analyse	4s
Build-macOS (4.14.1)	2m 11s
Test-macOS (4.14.1)	26m 33s
Cygwin	4s
Build-Linux (4.08.1)	1m 51s
Hygiene	51s
Build-Linux (4.09.1)	2m 5s
Build-Linux (4.10.2)	1m 47s
Build-Linux (4.11.2)	1m 59s
Build-Linux (4.12.1)	1m 44s
Build-Linux (4.13.1)	1m 47s
Build-Linux (5.0.0)	1m 54s
Build-Linux (5.1.1)	1m 51s
Build-Linux (4.14.1)	1m 50s
Build-Windows (x86_64-pc-cygwin, x86_64-pc-cygwin, 4.14.1)	34m 39s
Build-Windows (i686-w64-mingw32, x86_64-pc-cygwin, 4.14.1)	42m 40s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 4.14.1)	43m 0s
Build-Windows (i686-pc-windows, x86_64-pc-cygwin, 4.14.1)	45m 31s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 4.14.1)	46m 56s
Upgrade-Linux (4.14.1)	1m 2s
Test-Linux (4.14.1)	15m 58s
Solvers-Linux (z3, 4.14.1)	16m 38s
Cold-Linux	4m 56s
Solvers-Linux (0install, 4.14.1)	5m 43s
Solvers-macOS (z3, 4.14.1)	1m 11s
Solvers-macOS (0install, 4.14.1)	1m 10s
Upgrade-macOS (4.14.1)	1m 49s
	5h 7m 44s

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