'!bundle.js.prod' errored after 17 ms
[12:51:37] TypeError: document.getElementsByTagName is not a function
    at /Users/robertferentz/Work/angular/node_modules/systemjs-builder/node_modules/systemjs/dist/system.src.js:2332:28
    at /Users/robertferentz/Work/angular/node_modules/systemjs-builder/node_modules/systemjs/dist/system.src.js:2403:3
    at Object.<anonymous> (/Users/robertferentz/Work/angular/node_modules/systemjs-builder/node_modules/systemjs/dist/system.src.js:2405:3)
    at Module._compile (module.js:397:26)
    at Object.Module._extensions..js (module.js:404:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (/Users/robertferentz/Work/angular/node_modules/systemjs-builder/lib/builder.js:2:14)
[12:51:37] 'build.dart' errored after 2.32 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build/packages.dart' errored after 2.32 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build.js.dev' errored after 2.28 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build/tree.dart' errored after 2.22 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build/tree.dart' errored after 2.22 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build.js.dev' errored after 2.28 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build/tree.dart' errored after 2.22 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build/packages.dart' errored after 2.32 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build.js.dev' errored after 2.28 min
[12:51:37] Error: build sequence failed
[12:51:37] 'build/tree.dart' errored after 2.22 min
[12:51:37] Error: build sequence failed
[12:51:39] Finished 'build.css.material' after 2.19 s
[12:51:40] Finished 'benchpress.bundle' after 50 s