Rust

escape hash only with following whitespace #1159

Job	Run time
build_bin_spec (nightly)	1m 14s
build_lib_test (nightly)	57s
build_bin_spec (beta)	1m 15s
build_wasm (nightly)	47s
build_lib_test (beta)	1m 24s
build_bin_spec (stable)	1m 8s
build_wasm (beta)	54s
build_lib_test (stable)	1m 10s
build_bin_spec ($MSRV)	1m 26s
build_wasm (stable)	43s
build_lib_test ($MSRV)	2m 49s
build_wasm ($MSRV)	2m 2s
clippy_format	1m 46s
lockfile	59s
no_features_build_test (nightly)	34s
no_features_build_test (beta)	36s
no_features_build_test (stable)	27s
no_features_build_test ($MSRV)	1m 39s
	21m 50s

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