# Regression report stable-2016-01-21 vs. beta-2016-02-04 **URL:** \ **Category:** Uncategorized\ **Created:** [February 11, 2016, 10:06pm UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171 "2016-02-11T22:06:58Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![brson](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/brson/32/5197_2.png) [@brson](https://internals.rust-lang.org/u/brson)\ **Post date:** [February 11, 2016, 10:06pm UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/1 "2016-02-11T22:06:58Z")
29 root regressions. I haven’t looked through them. - [nix-0.4.2](https://crates.io/crates/nix) ([before](https://tools.taskcluster.net/task-inspector/#7qCQznL2Q5WrHPX0q29y-w)) ([after](https://tools.taskcluster.net/task-inspector/#OXgubbUUT1WXNmzLXAFu8g)) - [joker-0.0.3](https://crates.io/crates/joker) ([before](https://tools.taskcluster.net/task-inspector/#Uf3sWFbnQQGv6-eVSJyTkg)) ([after](https://tools.taskcluster.net/task-inspector/#B14CG-w4Rhiiiey9PUlmxA)) - [bencode-0.1.12](https://crates.io/crates/bencode) ([before](https://tools.taskcluster.net/task-inspector/#do4fwfX7TX-VS71bq6RD0w)) ([after](https://tools.taskcluster.net/task-inspector/#ZRUcJM-WRKunAW0JlC-Oog)) - [cbox-0.2.2](https://crates.io/crates/cbox) ([before](https://tools.taskcluster.net/task-inspector/#AWzgb44NQuqSVGinjTL-fA)) ([after](https://tools.taskcluster.net/task-inspector/#EB-uSYR2Q5yn8MksnnPQhw)) - [rust-sqlite-0.2.0](https://crates.io/crates/rust-sqlite) ([before](https://tools.taskcluster.net/task-inspector/#KBaIKwVqSq2WSJn4q1KpZA)) ([after](https://tools.taskcluster.net/task-inspector/#ciNFxycKQOiyPlodBmoV_w)) - [linux-api-sys-0.0.1](https://crates.io/crates/linux-api-sys) ([before](https://tools.taskcluster.net/task-inspector/#U8lfdDWmRriN8oa-esNYgQ)) ([after](https://tools.taskcluster.net/task-inspector/#4Sp0E0D4Tq6ASb1HEXId6g)) - [git-hive-protocol-0.2.3](https://crates.io/crates/git-hive-protocol) ([before](https://tools.taskcluster.net/task-inspector/#fTcljSynR9mexV5oBKqV9w)) ([after](https://tools.taskcluster.net/task-inspector/#zuN4A9-yRuu2j3QmAZDY7Q)) - [gluster-0.1.9](https://crates.io/crates/gluster) ([before](https://tools.taskcluster.net/task-inspector/#RUkYTRVdROyMLzjiXS5N3Q)) ([after](https://tools.taskcluster.net/task-inspector/#XkiZaVf2RraaavANYYqmTA)) - [codegenta-0.0.8](https://crates.io/crates/codegenta) ([before](https://tools.taskcluster.net/task-inspector/#_VtMSVECTMaaJ0vi8UxyKA)) ([after](https://tools.taskcluster.net/task-inspector/#aQUCm0atT5q2I5sZj5aPfw)) - [jmap-0.0.4](https://crates.io/crates/jmap) ([before](https://tools.taskcluster.net/task-inspector/#Fo5TPjPRSIau4hoywbB0pg)) ([after](https://tools.taskcluster.net/task-inspector/#iAtzrApXRNCXg_3ECZ4_GQ)) - [ldap-0.0.4](https://crates.io/crates/ldap) ([before](https://tools.taskcluster.net/task-inspector/#mwZgqGXiTmOeYXdTkRzWKA)) ([after](https://tools.taskcluster.net/task-inspector/#ylNw81r_SbGZv0th8xkmOg)) - [cortex-0.1.5](https://crates.io/crates/cortex) ([before](https://tools.taskcluster.net/task-inspector/#Hmm6yZBATMOI8a5kncFrQg)) ([after](https://tools.taskcluster.net/task-inspector/#bfIyDc1aQH6y2QfVvGehbg)) - [mixpanel-0.1.1](https://crates.io/crates/mixpanel) ([before](https://tools.taskcluster.net/task-inspector/#2ordKMQEQaahJy3rFS3lBg)) ([after](https://tools.taskcluster.net/task-inspector/#_iC9Uc6QQuCI5fxb8uVKHw)) - [pistoncore-event-0.4.0](https://crates.io/crates/pistoncore-event) ([before](https://tools.taskcluster.net/task-inspector/#I5u_0Q37QAiKrR3TxRSLEA)) ([after](https://tools.taskcluster.net/task-inspector/#pWWzJCVTTfeDdXOoWfOUpQ)) - [pool-0.1.3](https://crates.io/crates/pool) ([before](https://tools.taskcluster.net/task-inspector/#6nTKg7dZRVyo0AVsYYX_kA)) ([after](https://tools.taskcluster.net/task-inspector/#iGxekd6pTIK6vGik8I2gJw)) - [reactive-streams-0.0.1](https://crates.io/crates/reactive-streams) ([before](https://tools.taskcluster.net/task-inspector/#iTuRKJ4pS2KzaYLFtYjjtA)) ([after](https://tools.taskcluster.net/task-inspector/#xhUbx36XQB-pK7wT12iFVw)) - [redox-0.0.3](https://crates.io/crates/redox) ([before](https://tools.taskcluster.net/task-inspector/#YSnXpCJsQXqI_ik0whtntg)) ([after](https://tools.taskcluster.net/task-inspector/#CCB4snACROqnR_WuDAk8sw)) - [eligos-0.1.0](https://crates.io/crates/eligos) ([before](https://tools.taskcluster.net/task-inspector/#rfTQPZa6QUez946bzGpxeg)) ([after](https://tools.taskcluster.net/task-inspector/#BkJlPoG1SVKC9GY9LCFkkg)) - [RustyEmitter-2.1.0](https://crates.io/crates/RustyEmitter) ([before](https://tools.taskcluster.net/task-inspector/#0hkuc-NcT7SxKDGSnGkNdQ)) ([after](https://tools.taskcluster.net/task-inspector/#FoA8Rmv6TJ2GPqppHWlGog)) - [servo-skia-0.20130412.6](https://crates.io/crates/servo-skia) ([before](https://tools.taskcluster.net/task-inspector/#MrA7XYBcQ0-5G8HvA5RmAg)) ([after](https://tools.taskcluster.net/task-inspector/#C6qGhtD-QiOVQsvRD0OoVw)) - [smtp-0.3.0](https://crates.io/crates/smtp) ([before](https://tools.taskcluster.net/task-inspector/#pq1IbcnXRla7FPmKyJXb7w)) ([after](https://tools.taskcluster.net/task-inspector/#39F-c6DHRrqc1B5suYXkug)) - [stomp-0.11.0](https://crates.io/crates/stomp) ([before](https://tools.taskcluster.net/task-inspector/#5Ee8Tz6fTDWX105u4PkSDg)) ([after](https://tools.taskcluster.net/task-inspector/#lKU1XOeKQBmW5cQ8Mc_xWg)) - [fmt-extra-0.0.2](https://crates.io/crates/fmt-extra) ([before](https://tools.taskcluster.net/task-inspector/#XcE-6tjuQOa97IbrnJq8eA)) ([after](https://tools.taskcluster.net/task-inspector/#cpeZWNe3SVSbrvYZakEgGw)) - [twilio-0.1.0](https://crates.io/crates/twilio) ([before](https://tools.taskcluster.net/task-inspector/#uUvY_SgBQhCY55oPI3dXJA)) ([after](https://tools.taskcluster.net/task-inspector/#4PpBAkKdS9ydU3PfOUikPQ)) - [genetic-0.2.1](https://crates.io/crates/genetic) ([before](https://tools.taskcluster.net/task-inspector/#0pa2piztRIeFnsN4aT5k7Q)) ([after](https://tools.taskcluster.net/task-inspector/#zEBNXiSVRoqWPcBnTsZGzg)) [Full report](https://gist.github.com/brson/dd5ce027b9dd94f3d726/edit). ---
**Author:** ![brson](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/brson/32/5197_2.png) [@brson](https://internals.rust-lang.org/u/brson)\ **Post date:** [February 11, 2016, 10:20pm UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/2 "2016-02-11T22:20:31Z")
Most of these are the same RFC 1214 errors we’ve already seen. Here’s the new stuff: - codegenta, eligos, genetic - RFC 1214 - servo-skia - [weird custom build error](https://github.com/rust-lang/rust/issues/31586) Since some important crates haven’t been updated for RFC 1214 seems we should submit PRs. ---
**Author:** ![mbrubeck](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/mbrubeck/32/174_2.png) [@mbrubeck](https://internals.rust-lang.org/u/mbrubeck)\ **Post date:** [February 11, 2016, 10:48pm UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/3 "2016-02-11T22:48:59Z")
> servo-skia - weird custom build error I can't reproduce this on beta locally. Looking at the error I suspect it may be a race condition in our makefile, unrelated to any changes in Rust/Cargo. ---
**Author:** ![alexcrichton](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/alexcrichton/32/4501_2.png) [@alexcrichton](https://internals.rust-lang.org/u/alexcrichton)\ **Post date:** [February 11, 2016, 11:04pm UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/4 "2016-02-11T23:04:49Z")
@mbrubeck how’d you reproduce it? just running `cargo build` with beta? ---
**Author:** ![mbrubeck](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/mbrubeck/32/174_2.png) [@mbrubeck](https://internals.rust-lang.org/u/mbrubeck)\ **Post date:** [February 12, 2016, 12:12am UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/5 "2016-02-12T00:12:03Z")
> how'd you reproduce it? just running cargo build with beta? Yes. I used multirust to install rustc 1.7.0-beta.2 (f4b756e6c 2016-02-03) and ran `cargo build.` I tried a few times with different `-j` options (trying to test my race condition theory) but the build succeeded every time for me. ---
**Author:** ![alexcrichton](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/alexcrichton/32/4501_2.png) [@alexcrichton](https://internals.rust-lang.org/u/alexcrichton)\ **Post date:** [February 12, 2016, 12:41am UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/6 "2016-02-12T00:41:07Z")
Oh sorry! I misread “can’t reproduce this” as “can reproduce this”, my bad! Carry on… ---
**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/system/32/14092_2.png) [@system](https://internals.rust-lang.org/u/system)\ **Post date:** [March 25, 2019, 8:25am UTC](https://internals.rust-lang.org/t/regression-report-stable-2016-01-21-vs-beta-2016-02-04/3171/7 "2019-03-25T08:25:47Z")
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