Switch to Mercurial 5.9

Versions older than 5.9.2 cannot be built with pip with
Rust extensions (see mercurial/mercurial-devel@58fe6d127a01).

Closes #541

--HG--
branch : heptapod
13 jobs for !292 with topic/heptapod/hg-5.9 in 43 minutes and 22 seconds (queued for 2 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed rubocop #254354

00:09:52

 
  Test
failed rspec-regular 1/8 #254392

00:15:09

passed rspec-regular 2/8 #254359

00:12:06

passed rspec-regular 3/8 #254360

00:12:41

passed rspec-regular 4/8 #254361

00:16:04

passed rspec-regular 5/8 #254362

00:16:02

passed rspec-regular 6/8 #254363

00:15:39

passed rspec-regular 7/8 #254364

00:18:05

passed rspec-regular 8/8 #254365

00:17:01

passed workhorse:test using go 1.15 #254356

00:13:08

passed workhorse:test using go 1.16 #254357

00:08:16

passed workhorse:verify #254355

00:06:42

canceled rspec-regular 1/8 #254358

00:11:30

 
Name Stage Failure
failed
rspec-regular 1/8 Test

SimpleCov failed with exit 1
Moving new Knapsack timings to shard-specific knapsack/rspec-1-of-8.json
Uploading artifacts for failed job
Uploading artifacts...
knapsack/: found 4 matching files and directories

Uploading artifacts as "archive" to coordinator... ok
id=254392 responseStatus=201 Created token=wUhsWRxY
Cleaning up file based variables
ERROR: Job failed: exit code 1