headless version won't boot up. I tried clean download without any settings or configuration on multiple servers. No mods, no config files (example config doesn't help).
Ubuntu 14.04
Version 0.14.23 on same server works. I tried it on instances provided by AWS and scaleway.com~/newest/factorio/bin/x64$ ./factorio --start-server test.zip
0.000 2017-04-24 17:28:25; Factorio 0.15.0 (build 29027, linux64, headless)
0.036 Operating system: Linux (Ubuntu 14.04)
0.036 Not rotating logs.
0.036 Program arguments: "./factorio" "--start-server" "test.zip"
0.036 Read data path: /home/factorio/newest/factorio/data
0.036 Write data path: /home/factorio/newest/factorio
0.036 Binaries path: /home/factorio/newest/factorio/bin
0.044 System info: [CPU: Intel(R) Xeon(R) CPU E5-2676 v3 @ 2.40GHz, 1 core, RAM: 992MB]
0.044 Running in headless mode
0.049 Loading mod core 0.0.0 (data.lua)
0.054 Loading mod base 0.15.0 (data.lua)
0.155 Loading mod base 0.15.0 (data-updates.lua)
0.223 Checksum for core: 3378387764
0.223 Checksum of base: 2731413614
0.353 Info PlayerData.cpp:57: Local player-data.json unavailable
0.354 Info PlayerData.cpp:62: Cloud player-data.json unavailable
0.354 Info GlobalContext.cpp:851: Resetting config.
0.355 Custom inputs active: 0
0.355 Factorio initialised
0.356 Info ServerMultiplayerManager.cpp:139: Quitting multiplayer connection.
0.356 Info ServerMultiplayerManager.cpp:663: mapTick(-1) changing state from(Ready) to(Closed)
0.364 Goodbye
0.000 Error Util.cpp:58: Invalid value
Ubuntu 16.10 has the same issue
~/factorio$ bin/x64/factorio --start-server test.zip
0.000 2017-04-24 17:22:45; Factorio 0.15.0 (build 29027, linux64, headless)
0.131 Operating system: Linux (Ubuntu 16.10)
0.132 Program arguments: "bin/x64/factorio" "--start-server" "test.zip"
0.132 Read data path: /home/factorio/factorio/data
0.132 Write data path: /home/factorio/factorio
0.132 Binaries path: /home/factorio/factorio/bin
0.153 System info: [CPU: Intel(R) Atom(TM) CPU C2750 @ 2.40GHz, 4 cores, RAM: 3951MB]
0.153 Running in headless mode
0.165 Loading mod core 0.0.0 (data.lua)
0.178 Loading mod base 0.15.0 (data.lua)
0.439 Loading mod base 0.15.0 (data-updates.lua)
0.625 Checksum for core: 3378387764
0.625 Checksum of base: 2731413614
1.041 Info PlayerData.cpp:55: Local player-data.json available, timestamp 1493054529
1.041 Info PlayerData.cpp:62: Cloud player-data.json unavailable
1.044 Custom inputs active: 0
1.046 Factorio initialised
1.047 Info ServerMultiplayerManager.cpp:139: Quitting multiplayer connection.
1.047 Info ServerMultiplayerManager.cpp:663: mapTick(-1) changing state from(Ready) to(Closed)
1.068 Goodbye
0.000 Error Util.cpp:58: Invalid value