Fix UB caused by uninitialized reference #106
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This was referenced Apr 1, 2021
klensy
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…ver-parser` versions pretty_assertions 0.6 -> 0.7, to drop some `ansi_term` version futures 0.1.29 -> 0.1.31, backported some [fixes](rust-lang/futures-rs@0.1.29...0.1.31) to old verions futures-* 0.3.12 -> 0.3.19, to remove `proc-macro-hack`, `proc-macro-nested` and fix some [issues](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md#0319---2021-12-18). There exist 0.3.21, but it's quite new (06.02.22), so not updated to. itertools 0.9 -> 0.10 for rustdoc, will be droppped when rustfmt will bump `itertools` version linked-hash-map 0.5.3 -> 0.5.4, fix [UB](contain-rs/linked-hash-map#106) markup5ever 0.10.0 -> 0.10.1, internally drops `serde`, reducing [build time](servo/html5ever@3afd8d6#diff-4c20e8293515259c0aa26932413a55a334aa5f2b37de5a5adc92a2186f632606) for some usecases mio 0.7.13 -> 0.7.14 fix [unsoundness](tokio-rs/mio@v0.7.13...v0.7.14) num_cpus 1.13.0 -> 1.13.1 fix parsing mountinfo and other [fixes](seanmonstar/num_cpus@v1.13.0...v1.13.1) openssl-src 111.16.0+1.1.1l -> 111.17.0+1.1.1m fix CVE-2021-4160
bors
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Feb 13, 2022
Update deps cargo_metadata 0.12 -> 0.14, to dedupe and remove some `semver`, `semver-parser` versions pretty_assertions 0.6 -> 0.7, to drop some `ansi_term` version futures 0.1.29 -> 0.1.31, backported some [fixes](rust-lang/futures-rs@0.1.29...0.1.31) to old versions futures-* 0.3.12 -> 0.3.19, to remove `proc-macro-hack`, `proc-macro-nested` and fix some [issues](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md#0319---2021-12-18). There exist 0.3.21, but it's quite new (06.02.22), so not updated to. itertools 0.9 -> 0.10 for rustdoc, will be droppped when rustfmt will bump `itertools` version linked-hash-map 0.5.3 -> 0.5.4, fix [UB](contain-rs/linked-hash-map#106) markup5ever 0.10.0 -> 0.10.1, internally drops `serde`, reducing [build time](servo/html5ever@3afd8d6#diff-4c20e8293515259c0aa26932413a55a334aa5f2b37de5a5adc92a2186f632606) for some usecases mio 0.7.13 -> 0.7.14 fix [unsoundness](tokio-rs/mio@v0.7.13...v0.7.14) num_cpus 1.13.0 -> 1.13.1 fix parsing mountinfo and other [fixes](seanmonstar/num_cpus@v1.13.0...v1.13.1) openssl-src 111.16.0+1.1.1l -> 111.17.0+1.1.1m fix CVE-2021-4160
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This PR fix UB caused by the reference to uninitialized
keyandvalueindrop_empty_nodefunction. This change also keep MSRV unchanged becauselinked-hash-mapcrate already usestd::alloc::allocinensure_guard_nodemethod.fix #104