replacing old 'openra-dr-245'
installing 'openra-dr-247'
these derivations will be built:
  /nix/store/wfln36kx5ird6bnzgz9zklhvh90ng5r7-openra-dr-247.drv
building '/nix/store/wfln36kx5ird6bnzgz9zklhvh90ng5r7-openra-dr-247.drv'...
unpacking sources
unpacking source archive /nix/store/dlzzf1a21bqwrcvnnv4li59hhm970a5i-source
unpacking source archive /nix/store/xxi88h2r10ycb1f0m24nqw2fnjg973wi-engine
source root is .
patching sources
dos2unix: converting file CODE_OF_CONDUCT.md to Unix format...
dos2unix: converting file CONTRIBUTING.md to Unix format...
dos2unix: converting file README.md to Unix format...
configuring
Version changed to 247.
make: Entering directory '/build/source/engine'
make: Leaving directory '/build/source/engine'
building
build flags: SHELL=/nix/store/vs6d2fjkl4kb3jb7rwibsd76k9v2n4xy-bash-4.4-p23/bin/bash prefix=\$\(out\)
make[1]: Entering directory '/build/source/engine'
Detected Lua 5.1 library at /nix/store/0yxc4p8qh8rwl8b4y7jyzs1xdywcf0x9-lua-5.1.5/lib/liblua.so.5.1.5
Eluant.dll.config has been created successfully.
CSC fixheader.exe
CSC OpenRA.Game.exe
CSC OpenRA.Platforms.Default.dll
CSC mods/common/OpenRA.Mods.Common.dll
CSC mods/common/OpenRA.Mods.Cnc.dll
CSC mods/d2k/OpenRA.Mods.D2k.dll
CSC OpenRA.Utility.exe
CSC OpenRA.Server.exe
make[1]: Leaving directory '/build/source/engine'
SpriteLoaders/DrCrsLoader.cs(22,29): error CS0535: 'DrCrsLoader' does not implement interface member 'ISpriteLoader.TryParseSprite(Stream, out ISpriteFrame[])'
SpriteLoaders/DrTilLoader.cs(21,29): error CS0535: 'DrTilLoader' does not implement interface member 'ISpriteLoader.TryParseSprite(Stream, out ISpriteFrame[])'
SpriteLoaders/DrSprLoader.cs(21,29): error CS0535: 'DrSprLoader' does not implement interface member 'ISpriteLoader.TryParseSprite(Stream, out ISpriteFrame[])'
Traits/World/PaletteFromDrFile.cs(24,44): error CS0246: The type or namespace name 'IProvidesCursorPaletteInfo' could not be found (are you missing a using directive or an assembly reference?)
Traits/World/PaletteFromDrFile.cs(47,16): error CS0246: The type or namespace name 'IProvidesCursorPaletteInfo' could not be found (are you missing a using directive or an assembly reference?)
Traits/World/PaletteFromDrFile.cs(47,16): error CS0538: 'IProvidesCursorPaletteInfo' in explicit interface declaration is not an interface
Traits/World/PaletteFromDrFile.cs(49,26): error CS0246: The type or namespace name 'IProvidesCursorPaletteInfo' could not be found (are you missing a using directive or an assembly reference?)
Traits/World/PaletteFromDrFile.cs(49,26): error CS0538: 'IProvidesCursorPaletteInfo' in explicit interface declaration is not an interface
running tests
check flags: SHELL=/nix/store/vs6d2fjkl4kb3jb7rwibsd76k9v2n4xy-bash-4.4-p23/bin/bash prefix=\$\(out\) VERBOSE=y test
make[1]: Entering directory '/build/source/engine'
CSC OpenRA.Platforms.Default.dll
CSC mods/common/OpenRA.Mods.Common.dll
CSC mods/common/OpenRA.Mods.Cnc.dll
CSC mods/d2k/OpenRA.Mods.D2k.dll
CSC OpenRA.Utility.exe
CSC OpenRA.Server.exe
make[1]: Leaving directory '/build/source/engine'
Testing dr mod MiniYAML...
Fontconfig error: Cannot load default config file

Unhandled Exception:
System.IO.FileNotFoundException: Assembly `dr|OpenRA.Mods.Dr.dll` not found.
  at OpenRA.ObjectCreator..ctor (OpenRA.Manifest manifest, OpenRA.InstalledMods mods) [0x00137] in /build/source/engine/OpenRA.Game/ObjectCreator.cs:63
  at OpenRA.ModData..ctor (OpenRA.Manifest mod, OpenRA.InstalledMods mods, System.Boolean useLoadScreen) [0x0002c] in /build/source/engine/OpenRA.Game/ModData.cs:55
  at OpenRA.Program.Main (System.String[] args) [0x000e9] in /build/source/engine/OpenRA.Utility/Program.cs:74
[ERROR] FATAL UNHANDLED EXCEPTION: System.IO.FileNotFoundException: Assembly `dr|OpenRA.Mods.Dr.dll` not found.
  at OpenRA.ObjectCreator..ctor (OpenRA.Manifest manifest, OpenRA.InstalledMods mods) [0x00137] in /build/source/engine/OpenRA.Game/ObjectCreator.cs:63
  at OpenRA.ModData..ctor (OpenRA.Manifest mod, OpenRA.InstalledMods mods, System.Boolean useLoadScreen) [0x0002c] in /build/source/engine/OpenRA.Game/ModData.cs:55
  at OpenRA.Program.Main (System.String[] args) [0x000e9] in /build/source/engine/OpenRA.Utility/Program.cs:74
make: *** [Makefile:149: test] Error 1
builder for '/nix/store/wfln36kx5ird6bnzgz9zklhvh90ng5r7-openra-dr-247.drv' failed with exit code 2
error: build of '/nix/store/wfln36kx5ird6bnzgz9zklhvh90ng5r7-openra-dr-247.drv' failed