Many unexpected test timeouts

The overwhelming culprit is zw3rk linux-4, so I have paused that runner and alerted @angerman.

Incidents in the last two weeks:

json->>'id'	json->>'web_url'	json->>'runner.description'	date(json->>'created_at')
1758393	https://gitlab.haskell.org/ghc/ghc/-/jobs/1758393	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1758303	https://gitlab.haskell.org/ghc/ghc/-/jobs/1758303	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1758294	https://gitlab.haskell.org/ghc/ghc/-/jobs/1758294	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1758160	https://gitlab.haskell.org/ghc/ghc/-/jobs/1758160	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1757990	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757990	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1757824	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757824	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1757808	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757808	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-22
1757741	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757741	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-21
1757731	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757731	x86_64-linux-6.zw3rk_x86_64-linux-6_db038e4e1623	2024-01-21
1757668	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757668	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-21
1757655	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757655	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-21
1757477	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757477	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-21
1757474	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757474	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-21
1757469	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757469	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-21
1756592	https://gitlab.haskell.org/ghc/ghc/-/jobs/1756592	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-20
1756583	https://gitlab.haskell.org/ghc/ghc/-/jobs/1756583	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-20
1756128	https://gitlab.haskell.org/ghc/ghc/-/jobs/1756128	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-19
1756117	https://gitlab.haskell.org/ghc/ghc/-/jobs/1756117	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-19
1755896	https://gitlab.haskell.org/ghc/ghc/-/jobs/1755896	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-18
1755698	https://gitlab.haskell.org/ghc/ghc/-/jobs/1755698	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-18
1755343	https://gitlab.haskell.org/ghc/ghc/-/jobs/1755343	x86_64-linux-7.zw3rk_x86_64-linux-7_db038e4e1623	2024-01-18
1755328	https://gitlab.haskell.org/ghc/ghc/-/jobs/1755328	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-18
1755237	https://gitlab.haskell.org/ghc/ghc/-/jobs/1755237	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-17
1754569	https://gitlab.haskell.org/ghc/ghc/-/jobs/1754569	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-17
1754212	https://gitlab.haskell.org/ghc/ghc/-/jobs/1754212	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-17
1754209	https://gitlab.haskell.org/ghc/ghc/-/jobs/1754209	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-17
1754206	https://gitlab.haskell.org/ghc/ghc/-/jobs/1754206	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-17
1754033	https://gitlab.haskell.org/ghc/ghc/-/jobs/1754033	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-17
1753889	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753889	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753888	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753888	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753875	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753875	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753559	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753559	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753534	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753534	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753483	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753483	azure-ghc-ci-linux-2	2024-01-16
1753289	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753289	x86_64-linux-7.zw3rk_x86_64-linux-7_db038e4e1623	2024-01-16
1753248	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753248	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753239	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753239	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753234	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753234	x86_64-linux-5.zw3rk_x86_64-linux-5_db038e4e1623	2024-01-16
1753228	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753228	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753118	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753118	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1753112	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753112	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-16
1752820	https://gitlab.haskell.org/ghc/ghc/-/jobs/1752820	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-15
1752817	https://gitlab.haskell.org/ghc/ghc/-/jobs/1752817	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-15
1752718	https://gitlab.haskell.org/ghc/ghc/-/jobs/1752718	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-15
1752420	https://gitlab.haskell.org/ghc/ghc/-/jobs/1752420	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-15
1752416	https://gitlab.haskell.org/ghc/ghc/-/jobs/1752416	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-15
1751858	https://gitlab.haskell.org/ghc/ghc/-/jobs/1751858	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-14
1751852	https://gitlab.haskell.org/ghc/ghc/-/jobs/1751852	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-14
1751646	https://gitlab.haskell.org/ghc/ghc/-/jobs/1751646	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-14
1751642	https://gitlab.haskell.org/ghc/ghc/-/jobs/1751642	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-14
1751181	https://gitlab.haskell.org/ghc/ghc/-/jobs/1751181	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-13
1751177	https://gitlab.haskell.org/ghc/ghc/-/jobs/1751177	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-13
1750977	https://gitlab.haskell.org/ghc/ghc/-/jobs/1750977	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-12
1750644	https://gitlab.haskell.org/ghc/ghc/-/jobs/1750644	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-12
1750643	https://gitlab.haskell.org/ghc/ghc/-/jobs/1750643	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-12
1750346	https://gitlab.haskell.org/ghc/ghc/-/jobs/1750346	x86_64-linux-7.zw3rk_x86_64-linux-7_db038e4e1623	2024-01-12
1750264	https://gitlab.haskell.org/ghc/ghc/-/jobs/1750264	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-11
1750238	https://gitlab.haskell.org/ghc/ghc/-/jobs/1750238	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-11
1749516	https://gitlab.haskell.org/ghc/ghc/-/jobs/1749516	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-10
1749513	https://gitlab.haskell.org/ghc/ghc/-/jobs/1749513	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-10
1749001	https://gitlab.haskell.org/ghc/ghc/-/jobs/1749001	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-10
1748835	https://gitlab.haskell.org/ghc/ghc/-/jobs/1748835	x86_64-linux-6.zw3rk_x86_64-linux-6_db038e4e1623	2024-01-10
1748634	https://gitlab.haskell.org/ghc/ghc/-/jobs/1748634	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-10
1748455	https://gitlab.haskell.org/ghc/ghc/-/jobs/1748455	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-10
1748087	https://gitlab.haskell.org/ghc/ghc/-/jobs/1748087	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-09
1747940	https://gitlab.haskell.org/ghc/ghc/-/jobs/1747940	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-09
1747936	https://gitlab.haskell.org/ghc/ghc/-/jobs/1747936	x86_64-linux-4.zw3rk_x86_64-linux-4_db038e4e1623	2024-01-09