lens-4.15.1 doctest failure

[peti]

Dependency HUnit >=1.2: using HUnit-1.5.0.0
Dependency QuickCheck >=2.4: using QuickCheck-2.9.2
Dependency array >=0.3.0.2 && <0.6: using array-0.5.1.1
Dependency base >=4.5 && <5: using base-4.9.1.0
Dependency base-orphans >=0.5.2 && <1: using base-orphans-0.5.4
Dependency bifunctors ==5.*: using bifunctors-5.4.1
Dependency bytestring >=0.9.1.10 && <0.11: using bytestring-0.10.8.1
Dependency comonad >=4 && <6: using comonad-5
Dependency containers >=0.4.0 && <0.5.9: using containers-0.5.7.1
Dependency contravariant >=1.3 && <2: using contravariant-1.4
Dependency deepseq -any: using deepseq-1.4.2.0
Dependency directory >=1.0: using directory-1.3.0.0
Dependency distributive >=0.3 && <1: using distributive-0.5.2
Dependency doctest >=0.9.1: using doctest-0.11.1
Dependency exceptions >=0.1.1 && <1: using exceptions-0.8.3
Dependency filepath >=1.2.0.0 && <1.5: using filepath-1.4.1.1
Dependency free ==4.*: using free-4.12.4
Dependency generic-deriving -any: using generic-deriving-1.11.1
Dependency ghc-prim -any: using ghc-prim-0.5.0.0
Dependency hashable >=1.1.2.3 && <1.3: using hashable-1.2.5.0
Dependency hlint >=1.9.27: using hlint-1.9.41
Dependency kan-extensions ==5.*: using kan-extensions-5.0.1
Dependency lens -any: using lens-4.15.1
Dependency mtl >=2.0.1 && <2.3: using mtl-2.2.1
Dependency nats -any: using nats-1.1.1
Dependency parallel >=3.1.0.1 && <3.3: using parallel-3.2.1.0
Dependency profunctors ==5.*: using profunctors-5.2
Dependency reflection >=2.1 && <3: using reflection-2.1.2
Dependency semigroupoids ==5.*: using semigroupoids-5.1
Dependency semigroups >=0.9 && <1: using semigroups-0.18.2
Dependency simple-reflect >=0.3.1: using simple-reflect-0.3.2
Dependency tagged >=0.4.4 && <1: using tagged-0.8.5
Dependency template-haskell >=2.4 && <2.12: using template-haskell-2.11.1.0
Dependency test-framework >=0.6: using test-framework-0.8.1.1
Dependency test-framework-hunit >=0.2: using test-framework-hunit-0.3.0.2
Dependency test-framework-quickcheck2 >=0.2: using
test-framework-quickcheck2-0.3.0.3
Dependency test-framework-th >=0.2: using test-framework-th-0.2.4
Dependency text >=0.11 && <1.3: using text-1.2.2.1
Dependency transformers >=0.2 && <0.6: using transformers-0.5.2.0
Dependency transformers-compat >=0.4 && <1: using transformers-compat-0.5.1.4
Dependency unordered-containers >=0.2.4 && <0.3: using
unordered-containers-0.2.7.2
Dependency vector >=0.9 && <0.13: using vector-0.11.0.0
Dependency void >=0.5 && <1: using void-0.7.1
[...]
### Failure in src/Data/ByteString/Strict/Lens.hs:133: expression `anyOf chars (== 'h') "hello"'
expected: True
 but got: 
          <interactive>:701:22: error:
              • Couldn't match expected type ‘ByteString’
                            with actual type ‘[Char]’
              • In the third argument of ‘anyOf’, namely ‘"hello"’
                In the expression: anyOf chars (== 'h') "hello"
                In an equation for ‘it’: it = anyOf chars (== 'h') "hello"
Examples: 841  Tried: 841  Errors: 0  Failures: 1
Test suite doctests: FAIL

[RyanGlScott]

This was fixed in HEAD in e56dc4b, FWIW.