Chile played with a man less from the 27th minute.
Gabriel Suazo then received a second yellow card, but Canada (1-1-1) failed to take advantage.
Suazo received a first sanction in the 12th minute.
Crépeau plays for the Portland Timbers in MLS.
Gabriel Arias blocked two shots for Chile (0-1-2).
The quarter-finals will begin on Thursday.
Canada beat Peru 1-0 on Tuesday, following a 2-0 loss to Argentina on June 20.
Argentine 2 Chili 0
Lautaro Martínez scored twice as Argentina wrapped up the group stage by beating Peru 2-0.
A well-placed ball from Ángel Di María led to Martínez’s goal in the 46th minute.
Martínez doubled the lead 40 minutes later; he has four goals, a tournament high.
Lionel Messi was not playing, nursing a leg injury suffered in Argentina’s 1-0 win over Chile.
Obtained on Tuesday, this victory allowed the reigning champions to qualify for the quarter-finals.
Argentina controlled possession (74%) in a third consecutive match, totaling six shots on goal.
The game took place in front of approximately 64,000 fans at Hard Rock Stadium, the home of the Miami Dolphins.
The final will also take place there, on July 14.
Argentina will know their next opponent on Sunday.
Group B leader Venezuela will face Jamaica in Austin while second-place Ecuador will play Mexico in Glendale.
Argentina allowed just eight shots on goal in the group stage. Emiliano Martínez made just one save on Saturday.
Peru was held scoreless for the third time in the tournament. The country has been shut out 11 times in its last 14 matches.
Peru drew 0-0 against Chile in its Copa America opener, then lost 1-0 to Canada.
