Build

Bump tracing from 0.1.39 to 0.1.40 #2513

Job	Run time
windows (stable, x86_64-pc-windows-gnu)	5m 41s
mac (stable, x86_64-apple-darwin)	10m 27s
windows (stable, x86_64-pc-windows-msvc)	6m 15s
linux (stable, i686-unknown-linux-gnu)	6m 56s
mac (nightly, x86_64-apple-darwin)	8m 1s
windows (nightly, x86_64-pc-windows-gnu)	9m 55s
linux (stable, i686-unknown-linux-musl)	7m 51s
windows (nightly, x86_64-pc-windows-msvc)	9m 47s
linux (stable, x86_64-unknown-linux-gnu)	6m 36s
linux (stable, x86_64-unknown-linux-musl)	7m 21s
linux (stable, aarch64-unknown-linux-gnu)	7m 57s
linux (beta, i686-unknown-linux-gnu)	6m 4s
linux (beta, i686-unknown-linux-musl)	6m 8s
linux (beta, x86_64-unknown-linux-gnu)	6m 9s
linux (beta, x86_64-unknown-linux-musl)	6m 13s
linux (beta, aarch64-unknown-linux-gnu)	6m 0s
linux (nightly, i686-unknown-linux-gnu)	9m 15s
linux (nightly, i686-unknown-linux-musl)	8m 40s
linux (nightly, x86_64-unknown-linux-gnu)	9m 4s
linux (nightly, x86_64-unknown-linux-musl)	9m 8s
linux (nightly, aarch64-unknown-linux-gnu)	8m 44s
	2h 42m 12s

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