bug#27250: [PATCH] gnu: crawl: Update to 0.20.0.

[Arun Isaac <arunisaac@systemreboot.net>]

Leo Famulari writes:

> Generally, I think it's fine if the patches we include contain
> whitespace issues.

Ok, I'll ignore the whitespace issues.

@nee:

For some reason, the `check' phase of `crawl' seems to be failing on my
machine. Did the build complete successfully on yours?

[C], function generate_level, line -1
unique.lua, function test_uniques, line 5
unique.lua, function test_uniques_blank, line 26
unique.lua, function run_unique_tests, line 65
unique.lua, function (null), line 73

Lua persistent data:
<<<<<<<<<<<<<<<<<<<<<<
bailey_type: bailey_axe
ice_cave_hard: false
tomb_guardian_sets:
    1: 3
    2: 3
    3: 4
    4: 3
    5: 4
    6: 3

aquarium_serial_pool_size: 1
grunt_iron_hall_animated: false
>>>>>>>>>>>>>>>>>>>>>>

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>
make: *** [Makefile:1767: test-test] Error 124
make: Leaving directory '/tmp/guix-build-crawl-0.20.0.drv-0/stone_soup-0.20.0/source'
phase `check' failed after 1291.6 seconds
builder for `/gnu/store/66h101ccsvhv6nkj4w444ks59kanbjaq-crawl-0.20.0.drv' failed with exit code 1
@ build-failed /gnu/store/66h101ccsvhv6nkj4w444ks59kanbjaq-crawl-0.20.0.drv - 1 builder for `/gnu/store/66h101ccsvhv6nkj4w444ks59kanb
jaq-crawl-0.20.0.drv' failed with exit code 1
guix build: error: build failed: build of `/gnu/store/66h101ccsvhv6nkj4w444ks59kanbjaq-crawl-0.20.0.drv' failed