[Droid 2 Android Development] drburke:
I'm going to take a wild stab and say this is what yours looks like, since we seem to be having the same problem.

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Please choose and option by typing a number and pressing enter.

1. Full Install

Downloads necessary files and roots.

2. Root Process Only

3. Unroot

4. Credits and Donation Information

5. Exit

-n Please make a selection: [1 2 3 4 or 5]

1

You are on Mac. You fail! :P

Downloading DoRoot for Mac!

Downloading 1 of 1

% Total % Received % Xferd Average Speed Time Time Time Current

Dload Upload Total Spent Left Speed

100 71355 100 71355 0 0 443k 0 --:--:-- --:--:-- --:--:-- 656k

Download Complete. Extracting files.

Archive: DoRootMac_221.zip

replace DoRootMac/adb? [y]es, [n]o, [A]ll, [N]one, [r]ename: y

inflating: DoRootMac/adb

replace DoRootMac/doroot.sh? [y]es, [n]o, [A]ll, [N]one, [r]ename: y

inflating: DoRootMac/doroot.sh

Extraction completed.

Downloading program files to proper location.

Download and file set-up complete.

Would you like to begin rooting your phone?

Choose and option: [1 or 2].

1. Yes. I'd like DO and FLU to take over the world!!

2. No. Screw them and and to hell with this root process!

1

The goggles! They do nothing!

You are using that Steve Jobs' OS!

Be a man! Do the right thing! Use a real operating system!

You chose to begin rooting your phone.

We will begin rooting shortly.

Welcome to DarkOnion Root

Presented by: darkonion and facelessuser

Special Thanks to: Sebastian Krahmer at (no link)

Checking for needed files.

-->Superuser.apk

-->su

-->busybox

-->rageagainstthecage-arm5.bin

If the following command takes too long to connect, close your terminal.

Disconnect your phone and make sure debugging is enabled, and you are set to PC mode.

Checking for devices...

./doroot.sh: line 167: ./adb: Bad CPU type in executable

./doroot.sh: line 168: ./adb: Bad CPU type in executable

Transfering payload.

-->Superuser.apk

./doroot.sh: line 188: ./adb: Bad CPU type in executable

-->su

./doroot.sh: line 191: ./adb: Bad CPU type in executable

-->busybox

./doroot.sh: line 196: ./adb: Bad CPU type in executable

-->rageagainstthecage-arm5.bin

./doroot.sh: line 201: ./adb: Bad CPU type in executable

./doroot.sh: line 209: ./adb: Bad CPU type in executable

./doroot.sh: line 107: ./adb: Bad CPU type in executable

It appears you have an ADB session with root. Skipping exploit.

Remounting system as RW

./doroot.sh: line 270: ./adb: Bad CPU type in executable

Copying files to system.

-->Superuser.apk

./doroot.sh: line 281: ./adb: Bad CPU type in executable

-->Copying su

./doroot.sh: line 301: ./adb: Bad CPU type in executable

-->Copying busybox

./doroot.sh: line 320: ./adb: Bad CPU type in executable

./doroot.sh: line 321: ./adb: Bad CPU type in executable

./doroot.sh: line 322: ./adb: Bad CPU type in executable

Setting permissions

-->su

./doroot.sh: line 344: ./adb: Bad CPU type in executable

-->busybox

./doroot.sh: line 359: ./adb: Bad CPU type in executable

Remounting system as RO

./doroot.sh: line 375: ./adb: Bad CPU type in executable

Clean up: deleting temp files

-->su

./doroot.sh: line 402: ./adb: Bad CPU type in executable

-->busybox

./doroot.sh: line 407: ./adb: Bad CPU type in executable

-->Superuser.apk

./doroot.sh: line 413: ./adb: Bad CPU type in executable

-->rageagainstthecage-arm5.bin

./doroot.sh: line 419: ./adb: Bad CPU type in executable

Congralations, you should now be rooted.

Enter exit once to exit terminal.

bruce-williss-power-mac-g5:~ brucewillis$ exit

logout

[Process completed]