I have two backtests running in the background as shown below. Is there a way to cancel them?
jupyter:/codeload $ quantrocket flightlog stream
2020-12-19 17:02:36 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ███████--- 74% 2019-05-31
2020-12-19 17:03:19 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████████-- 75% 2019-07-01
2020-12-19 17:04:11 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ███------- 35% 2017-01-31
2020-12-19 17:04:34 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████------ 36% 2017-02-28
2020-12-19 17:04:38 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████████-- 77% 2019-07-31
2020-12-19 17:05:46 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████------ 38% 2017-03-31
2020-12-19 17:06:02 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████████-- 78% 2019-09-03
2020-12-19 17:06:28 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████------ 39% 2017-05-01
2020-12-19 17:07:26 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████████-- 79% 2019-09-30
2020-12-19 17:07:27 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████------ 40% 2017-05-31
2020-12-19 17:08:40 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████------ 42% 2017-06-30
2020-12-19 17:08:53 quantrocket.zipline: INFO [vwap_rsi_macd_20ma_volume_profile] ████████-- 81% 2019-10-31