Blockchain General State Tests are broken

[jwasinger]

TAP version 13
# BlockchainTests
# file: ContractCreationSpam_d0g0v0 test: ContractCreationSpam_d0g0v0_EIP158
ok 1 correct pre stateRoot
ok 2 correct genesis RLP
ok 3 last block hash
ok 4 correct header block
# file: badOpcodes_d0g0v0 test: badOpcodes_d0g0v0_EIP158
ok 5 correct pre stateRoot
ok 6 correct genesis RLP
/ethereum/ethereumjs-vm/node_modules/ethereumjs-blockchain/index.js:256
      self.meta.rawHead = blockHashHexString
                        ^

TypeError: Cannot set property 'rawHead' of null
    at rebuildInfo (/ethereum/ethereumjs-vm/node_modules/ethereumjs-blockchain/index.js:256:25)
    at /ethereum/ethereumjs-vm/node_modules/async/dist/async.js:3853:24
    at replenish (/ethereum/ethereumjs-vm/node_modules/async/dist/async.js:946:17)
    at iterateeCallback (/ethereum/ethereumjs-vm/node_modules/async/dist/async.js:931:17)
    at /ethereum/ethereumjs-vm/node_modules/async/dist/async.js:906:16
    at /ethereum/ethereumjs-vm/node_modules/async/dist/async.js:3858:13
    at lookupParentBlock (/ethereum/ethereumjs-vm/node_modules/ethereumjs-blockchain/index.js:202:27)

Reproduce by running blockchain tests in ethereumjs-vm, using the master branch of this repository as a dependency.