Bump rand_os from 0.1.3 to 0.2.2 in /rust

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Bumps rand_os from 0.1.3 to 0.2.2.

Changelog

Sourced from rand_os's changelog.

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

A separate changelog is kept for rand_core.

You may also find the Upgrade Guide useful.

[Unreleased]

Additions

• impl PartialEq+Eq for StdRng, SmallRng, and StepRng (#975)
• Added a serde1 feature and added Serialize/Deserialize to UniformInt and WeightedIndex (#974)
• Document types supported by random (#994)
• Implement weighted sampling without replacement (#976, #1013)

Changes

• gen_range(a, b) was replaced with gen_range(a..b), and gen_range(a..=b) is supported (#744, #1003). Note that a and b can no longer be references or SIMD types.
• Replace AsByteSliceMut with Fill (#940)
• Move alias method for WeightedIndex to rand_distr (#945)
• Alphanumeric samples bytes instead of chars (#935)
• The minimum supported Rust version is now 1.36 (#1011)
• Better NaN handling for WeightedIndex (#1005)
• Implement IntoIterator for IndexVec, replacing the into_iter method (#1007)
• Reduce packaged crate size (#983)
• Drop some unsafe code (#962, #963)
• Improve treatment of rounding errors in WeightedIndex::update_weights (#956)

[0.7.3] - 2020-01-10

Fixes

• The Bernoulli distribution constructors now reports an error on NaN and on denominator == 0. (#925)
• Use std::sync::Once to register fork handler, avoiding possible atomicity violation (#928)
• Fix documentation on the precision of generated floating-point values

Changes

• Unix: make libc dependency optional; only use fork protection with std feature (#928)

Additions

• Implement std::error::Error for BernoulliError (#919)

[0.7.2] - 2019-09-16

Fixes

• Fix dependency on rand_core 0.5.1 (#890)

Additions

• Unit tests for value stability of distributions added (#888)

Commits

• c388cb2 Merge pull request #873 from dhardy/master
• a622ea3 Fixes regarding OsRng move
• d877ed5 Merge pull request #864 from dhardy/error
• 3b79aaa Merge branch 'master' into error
• a4cd495 Merge pull request #856 from taiki-e/alloc
• 918765d Apply requested changes
• 3b038a5 Remove #![feature(alloc)]
• df0c772 Reconstruct io::Error from raw code if possible in From impl
• 2f9e9b2 Update rand_core and rand_jitter versions
• 73251d5 Update rand_core::Error in line with getrandom::Error
• Additional commits viewable in compare view

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