Missing first character when piping script into mutt with cron

results

# Manually running script

test1: test Tue Jul  7 09:41:01 EDT 2015
test2: test Tue Jul  7 09:41:01 EDT 2015
email: test Tue Jul  7 09:41:01 EDT 2015

# Running script in cron

Entry: * * * * * /home/bamos/tmp/test.sh

test1: test Tue Jul  7 09:41:01 EDT 2015
test2: test Tue Jul  7 09:41:01 EDT 2015
email: est Tue Jul  7 09:41:01 EDT 2015


# Running script in cron with all of my shell's `env` at the beginning

Entry: * * * * * /home/bamos/tmp/test.sh

test1: test Tue Jul  7 09:41:01 EDT 2015
test2: test Tue Jul  7 09:41:01 EDT 2015
email: est Tue Jul  7 09:41:01 EDT 2015

test.sh

#!/bin/bash

echo "test $(date)" | mutt brandon.amos.cs@gmail.com -s "test"
echo "test $(date)" > /tmp/test1
echo "test $(date)" | cat > /tmp/test2