Merge pull request #965 from mkroening/firecracker-1.4.1 #1852

Job	Run time
Clippy	1m 9s
Check	1m 13s
Check docs	37s
Build	1m 25s
Format	28s
Test	1m 36s
Run (x86_64, rusty_demo, none, dev)	5m 30s
Run (x86_64, rusty_demo, none, release)	4m 42s
Run Hermit for Rust (x86_64 + kvm)	5m 58s
Run (x86_64, httpd, virtio-net-pci, dev)	3m 38s
Run (x86_64, httpd, virtio-net-pci, release)	3m 50s
Run (x86_64, httpd, rtl8139, dev)	3m 26s
Run (x86_64, httpd, rtl8139, release)	3m 32s
Run (x86_64, testudp, virtio-net-pci, dev)	4m 28s
Run (x86_64, testudp, virtio-net-pci, release)	4m 16s
Run (x86_64, testudp, rtl8139, dev)	3m 13s
Run (x86_64, testudp, rtl8139, release)	3m 59s
Run (x86_64, hello_world, none, dev)	3m 44s
Run (x86_64, hello_world, none, release)	3m 38s
Run (aarch64, rusty_demo, none, dev)	4m 20s
Run (aarch64, rusty_demo, none, release)	4m 26s
Run (aarch64, httpd, virtio-net-pci, dev)	4m 44s
Run (aarch64, httpd, virtio-net-pci, release)	3m 35s
Run (aarch64, testudp, virtio-net-pci, dev)	3m 55s
Run (aarch64, testudp, virtio-net-pci, release)	4m 39s
	1h 26m 1s

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