Australia has crashed to its first one-day international loss against Bangladesh in 21 years, with the hosts recording an 86-run win via the Duckworth-Lewis-Stern method in Dhaka.Bangladesh posted a formidable 8-284 after being sent in at the Sher-e-Bangla National Cricket Stadium, before restricting the tourists to 9-191 from 42.2 overs when lightning and rain ended play.It was Bangladesh's second victory in 23 ODIs against Australia.Australia batted poorly and its bowling looked pedestrian compared to Bangladesh, which was spearheaded by firebrand Nahid Rana (4-41).Cameron Green (52 not out) scored his fourth ODI half-century, while Alex Carey (47) and Cooper Connolly (35) failed to capitalise on promising starts."A disappointing total on our part," acting Australian captain Josh Inglis said."We dropped four or five catches I thought if it [Bangladesh's score] was somewhere around 230-240, it was very chaseable."We didn't have a big partnership to get us close