Can't pub activate as of 2.0.0-dev.61 w/ --preview-dart-2

[chalin]

> export DART_VM_OPTIONS=--preview-dart-2
> pub global activate linkcheck
Package linkcheck is currently active at version 1.0.6.
Resolving dependencies... (2.0s)
+ args 0.13.7 (1.4.3 available)
+ async 2.0.7
+ charcode 1.1.1
+ collection 1.14.9
+ console 2.2.4
...
+ vector_math 1.4.7 (2.0.7 available)
Precompiling executables... (1.1s)
Failed to precompile linkcheck:linkcheck:
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/src/base.dart:216:40: Error: A value of type 'dart.core::List<dynamic>' can't be assigned to a variable of type 'dart.core::Iterable<dart.core::int>'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::Iterable<dart.core::int>'.
    var str = new String.fromCharCodes(bytes);
                                       ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/src/canvas.dart:27:18: Error: A value of type 'console::PixelSpec' can't be assigned to a variable of type 'dart.core::int'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::int'.
      spec = new PixelSpec(color: spec);
                 ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/src/canvas.dart:33:20: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'console::PixelSpec'.
Try changing the type of the left hand side, or casting the right hand side to 'console::PixelSpec'.
    pixels[x][y] = spec;
                   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:4:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [0, '000000'],
   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:5:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [1, '800000'],
   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:6:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [2, '008000'],
   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:7:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [3, '808000'],
   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:8:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [4, '000080'],
   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:9:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [5, '800080'],
   ^
file:///Users/chalin/.pub-cache/hosted/pub.dartlang.org/console-2.2.4/lib/clut.dart:10:4: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.
  [6, '008080'],
   ^

I realize that the issue is with https://github.com/DirectMyFile/console.dart, but if that package can't be updated, maybe linkcheck should use another package?

cc @kwalrath @kevmoo

[chalin]

Dart 2 is out, and pub activate is working.