Resolving dependencies...
Starting     tagged-0.8.8
Building     tagged-0.8.8
Completed    tagged-0.8.8
Starting     foldable1-classes-compat-0.1
Building     foldable1-classes-compat-0.1
Completed    foldable1-classes-compat-0.1
Starting     indexed-traversable-0.1.3
Building     indexed-traversable-0.1.3
Completed    indexed-traversable-0.1.3
Downloading  deep-map-0.2.0
Downloaded   deep-map-0.2.0
Starting     deep-map-0.2.0
Building     deep-map-0.2.0
Failed to install deep-map-0.2.0
Build log ( /home/builder/.cabal/logs/ghc-9.2.4/deep-map-0.2.0-EZ2Sj6OgkhDFBPwbi1M32r.log ):
cabal: Entering directory '/tmp/cabal-tmp-2053111/deep-map-0.2.0'
Configuring deep-map-0.2.0...
Preprocessing library for deep-map-0.2.0..
Building library for deep-map-0.2.0..
[1 of 1] Compiling Data.Map.Deep    ( src/Data/Map/Deep.hs, dist/build/Data/Map/Deep.o, dist/build/Data/Map/Deep.dyn_o )

src/Data/Map/Deep.hs:1344:18: error: parse error on input ->
     |
1344 |   (Deep1 k ks) m -> case m @? k of
     |                  ^^
cabal: Leaving directory '/tmp/cabal-tmp-2053111/deep-map-0.2.0'
Error: cabal: Some packages failed to install:
deep-map-0.2.0-EZ2Sj6OgkhDFBPwbi1M32r failed during the building phase. The
exception was:
ExitFailure 1