GitClones throws "Method has no body"

[pleonex]

Running the following task throws an exception BadImageFormatException: Method has no body:

Task("CloneTest")
    .Does(() =>
{
    GitClone("https://github.com/cake-build/cake.git", "/tmp/cake");
});

I am using Fedora 28 with Mono 5.14 and Cake 0.30.

Error: System.AggregateException: One or more errors occurred. ---> System.BadImageFormatException: Method has no body
  at LibGit2Sharp.Core.Proxy.git_clone (System.String url, System.String workdir, LibGit2Sharp.Core.GitCloneOptions& opts) [0x00009] in <b59d5da32f8541b2a767004d8bddc22b>:0
  at LibGit2Sharp.Repository.Clone (System.String sourceUrl, System.StringworkdirPath, LibGit2Sharp.CloneOptions options) [0x000d3] in <b59d5da32f8541b2a767004d8bddc22b>:0
  at LibGit2Sharp.Repository.Clone (System.String sourceUrl, System.StringworkdirPath) [0x00000] in <b59d5da32f8541b2a767004d8bddc22b>:0
  at Cake.Git.GitAliases.GitClone (Cake.Core.ICakeContext context, System.String sourceUrl, Cake.Core.IO.DirectoryPath workDirectoryPath) [0x000d2] in <7958095920474dc68d0a782f46e32170>:0
  at Submission#0.GitClone (System.String sourceUrl, Cake.Core.IO.DirectoryPath workDirectoryPath) [0x0000c] in <206e5fefce8d49f39d9236778bce09b0>:0
  at Submission#0.<<Initialize>>b__0_4 () [0x00011] in <206e5fefce8d49f39d9236778bce09b0>:0
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass17_0.<Does>b__0 (Cake.Core.ICakeContext context) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass20_0.<Does>b__0 (Cake.Core.ICakeContext x) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Cake.Core.CakeTask+<Execute>d__43.MoveNext () [0x00066] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.DefaultExecutionStrategy+<ExecuteAsync>d__4.MoveNext () [0x000ee] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.CakeEngine+<ExecuteTaskAsync>d__31.MoveNext () [0x00131] in<1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.CakeEngine+<RunTask>d__28.MoveNext () [0x00124] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.CakeEngine+<RunTargetAsync>d__27.MoveNext () [0x00338] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Scripting.BuildScriptHost+<RunTargetAsync>d__3.MoveNext () [0x0009f] in <52bc22bce5254240ba373b3cf23da1ab>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.Scripting.ScriptHost.RunTarget (System.String target) [0x0000d] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Submission#0+<<Initialize>>d__0.MoveNext () [0x00195] in <206e5fefce8d49f39d9236778bce09b0>:0
--- End of stack trace from previous location where exception was thrown ---
  at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState+<RunSubmissionsAsync>d__9`1[TResult].MoveNext () [0x00186] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0
--- End of stack trace from previous location where exception was thrown ---
  at Microsoft.CodeAnalysis.Scripting.Script`1+<RunSubmissionsAsync>d__21[T].MoveNext () [0x000a8] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <b78dcefd6c184245be8bf4a1e52466d9>:0
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <b78dcefd6c184245be8bf4a1e52466d9>:0
  at System.Threading.Tasks.Task.Wait () [0x00000] in <b78dcefd6c184245be8bf4a1e52466d9>:0
  at Cake.Scripting.Roslyn.RoslynScriptSession.Execute (Cake.Core.Scripting.Script script) [0x001a7] in <52bc22bce5254240ba373b3cf23da1ab>:0
  at Cake.Core.Scripting.ScriptRunner.Run (Cake.Core.Scripting.IScriptHosthost, Cake.Core.IO.FilePath scriptPath, System.Collections.Generic.IDictionary`2[TKey,TValue] arguments) [0x00358] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Cake.Commands.BuildCommand.Execute (Cake.CakeOptions options) [0x0003f] in <52bc22bce5254240ba373b3cf23da1ab>:0
  at Cake.CakeApplication.Run (Cake.CakeOptions options) [0x00015] in <52bc22bce5254240ba373b3cf23da1ab>:0
  at Cake.Program.Main () [0x000d1] in <52bc22bce5254240ba373b3cf23da1ab>:0
---> (Inner Exception #0) System.BadImageFormatException: Method has no body
File name: 'LibGit2Sharp'
  at LibGit2Sharp.Core.Proxy.git_clone (System.String url, System.String workdir, LibGit2Sharp.Core.GitCloneOptions& opts) [0x00009] in <b59d5da32f8541b2a767004d8bddc22b>:0
  at LibGit2Sharp.Repository.Clone (System.String sourceUrl, System.StringworkdirPath, LibGit2Sharp.CloneOptions options) [0x000d3] in <b59d5da32f8541b2a767004d8bddc22b>:0
  at LibGit2Sharp.Repository.Clone (System.String sourceUrl, System.StringworkdirPath) [0x00000] in <b59d5da32f8541b2a767004d8bddc22b>:0
  at Cake.Git.GitAliases.GitClone (Cake.Core.ICakeContext context, System.String sourceUrl, Cake.Core.IO.DirectoryPath workDirectoryPath) [0x000d2] in <7958095920474dc68d0a782f46e32170>:0
  at Submission#0.GitClone (System.String sourceUrl, Cake.Core.IO.DirectoryPath workDirectoryPath) [0x0000c] in <206e5fefce8d49f39d9236778bce09b0>:0
  at Submission#0.<<Initialize>>b__0_4 () [0x00011] in <206e5fefce8d49f39d9236778bce09b0>:0
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass17_0.<Does>b__0 (Cake.Core.ICakeContext context) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass20_0.<Does>b__0 (Cake.Core.ICakeContext x) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Cake.Core.CakeTask+<Execute>d__43.MoveNext () [0x00066] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.DefaultExecutionStrategy+<ExecuteAsync>d__4.MoveNext () [0x000ee] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.CakeEngine+<ExecuteTaskAsync>d__31.MoveNext () [0x00131] in<1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.CakeEngine+<RunTask>d__28.MoveNext () [0x00124] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.CakeEngine+<RunTargetAsync>d__27.MoveNext () [0x00338] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Scripting.BuildScriptHost+<RunTargetAsync>d__3.MoveNext () [0x0009f] in <52bc22bce5254240ba373b3cf23da1ab>:0
--- End of stack trace from previous location where exception was thrown ---
  at Cake.Core.Scripting.ScriptHost.RunTarget (System.String target) [0x0000d] in <1a12afcf649f4de8ab5d15d82d4f6310>:0
  at Submission#0+<<Initialize>>d__0.MoveNext () [0x00195] in <206e5fefce8d49f39d9236778bce09b0>:0
--- End of stack trace from previous location where exception was thrown ---
  at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState+<RunSubmissionsAsync>d__9`1[TResult].MoveNext () [0x00186] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0
--- End of stack trace from previous location where exception was thrown ---
  at Microsoft.CodeAnalysis.Scripting.Script`1+<RunSubmissionsAsync>d__21[T].MoveNext () [0x000a8] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0 <---

[t081as]

I'm encountering the same issue using Cake 0.30.0 / Cake.Git 0.19.0. Seems to be a problem in LibGit2Sharp: https://github.com/libgit2/libgit2sharp/issues/1637