Bug#963712: haskell-aeson: FTBFS ON armel, armhf, i386, s390x

[Sebastian Ramacher]

Source: haskell-aeson
Version: 1.4.7.-1
Severity: serious
Tags: ftbfs sid bullseye
Justification: fails to build from source (but built successfully in the past)

haskell-aeson fails to build on multiple architectures with test
failures:
|     ErrorMessages
|       simple:                                               OK
|       generic:                                              FAIL
|             OneConstructor
|             Error in $: parsing Types.OneConstructor(OneConstructor) failed, expected Array, but encountered String
|             Error in $: parsing Types.OneConstructor(OneConstructor) failed, expected an empty Array, but encountered an Array of length 1
|             Nullary
|             Error in $: parsing Types.Nullary failed, expected one of the tags ["C1","C2","C3"], but found tag "X"
|             Error in $: parsing Types.Nullary failed, expected String, but encountered Array
|             SomeType (tagged)
|             Error in $.contents: parsing Int failed, expected Number, but encountered Boolean
|             Error in $: parsing Types.SomeType(Unary) failed, key "contents" not found
|             Error in $: parsing Types.SomeType(Record) failed, key "testone" not found
|             Error in $.testone: parsing Double failed, unexpected Boolean
|             Error in $.tag: parsing Types.SomeType failed, expected tag field to be one of ["nullary","unary","product","record","list"], but found tag "X"
|             Error in $: parsing Types.SomeType failed, expected Object with key "tag" containing one of ["nullary","unary","product","record","list"], key "tag" not found
|             Error in $: parsing Types.SomeType failed, expected Object, but encountered Array
|             SomeType (single-field)
|             Error in $.unary: parsing Int failed, expected Number, but encountered Object
|             Error in $.unary: parsing Int failed, expected Number, but encountered Array
|             Error in $: parsing Types.SomeType failed, expected an Object with a single pair where the tag is one of ["nullary","unary","product","record","list"], but found tag "X"
|             Error in $: parsing Types.SomeType failed, expected an Object with a single pair, but found 2 pairs
|             Error in $: parsing Types.SomeType failed, expected an Object with a single pair, but found 0 pairs
|             Error in $: parsing Types.SomeType failed, expected Object, but encountered Array
|             Error in $: not enough input. Expecting ':'
|             Error in $: not enough input. Expecting object value
|             Error in $: not enough input. Expecting ',' or '}'
|             SomeType (two-element array)
|             Error in $[1]: parsing Int failed, expected Number, but encountered Boolean
|             Error in $[1]: parsing Types.SomeType(Record) failed, expected Object, but encountered Null
|             Error in $[0]: parsing Types.SomeType failed, expected tag of the 2-element Array to be one of ["nullary","unary","product","record","list"], but found tag "X"
|             Error in $[0]: parsing Types.SomeType failed, tag element is not a String
|             Error in $: parsing Types.SomeType failed, expected a 2-element Array, but encountered an Array of length 0
|             Error in $: parsing Types.SomeType failed, expected Array, but encountered Object
|             Error in $: not enough input. Expecting ',' or ']'
|             Error in $: not enough input. Expecting json list value
|             SomeType (reject unknown fields)
|             Error in $: parsing Types.SomeType(Record) failed, unknown fields: ["testZero"]
|             Error in $: parsing Types.SomeType failed, expected Object with key "tag" containing one of ["nullary","unary","product","record","list"], key "tag" not found
|         --- Error in $: parsing Types.SomeType(Record) failed, unknown fields: ["testtwo","testone","testthree"]
|         +++ Error in $: parsing Types.SomeType(Record) failed, unknown fields: ["testthree","testtwo","testone"]
|             Foo (reject unknown fields)
|             Error in $: parsing Types.Foo(Foo) failed, unknown fields: ["tag"]
|             Foo (reject unknown fields, tagged single)
|             Error in $: parsing Types.Foo(Foo) failed, unknown fields: ["unknownField"]
|             EitherTextInt
|             Error in $: parsing Types.EitherTextInt(NoneNullary) failed, expected tag "nonenullary", but found tag "X"
|             Error in $: parsing Types.EitherTextInt(NoneNullary) failed, expected String, but encountered Array
|             Product2 Int Bool
|             Error in $[1]: expected Bool, but encountered Null
|             Error in $: parsing Types.Product2(Product2) failed, expected an Array of length 2, but encountered an Array of length 0
|             Error in $: parsing Types.Product2(Product2) failed, expected Array, but encountered Object

See for example
https://buildd.debian.org/status/fetch.php?pkg=haskell-aeson&arch=i386&ver=1.4.7.1-1&stamp=1591434445&raw=0

Cheers
-- 
Sebastian Ramacher
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