update test cases for vxWorks

[BaoshanPang]

issue-2214.rs: lgamma is lgamma on vxWorks
ignore process-envs.rs and process-remove-from-env.rs as there is no 'env' on vxWorks

[rust-highfive]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @alexcrichton (or someone else) soon.

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[rust-highfive]

The job x86_64-gnu-llvm-6.0 of your PR failed (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2019-08-01T00:15:49.4663622Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-08-01T00:15:49.4842538Z ##[command]git config gc.auto 0
2019-08-01T00:15:49.4927113Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-08-01T00:15:49.4999291Z ##[command]git config --get-all http.proxy
2019-08-01T00:15:49.5144161Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/63179/merge:refs/remotes/pull/63179/merge
---
2019-08-01T00:16:24.8730645Z do so (now or later) by using -b with the checkout command again. Example:
2019-08-01T00:16:24.8732227Z 
2019-08-01T00:16:24.8733707Z   git checkout -b <new-branch-name>
2019-08-01T00:16:24.8734906Z 
2019-08-01T00:16:24.8735989Z HEAD is now at 471b0f1a7 Merge b7bd2ea3a094cfff46a440d6c02561cdac3e0f5a into 8a58268b5ad9c4a240be349a633069d48991eb0c
2019-08-01T00:16:24.8864136Z ##[section]Starting: Collect CPU-usage statistics in the background
2019-08-01T00:16:24.8867245Z ==============================================================================
2019-08-01T00:16:24.8867311Z Task         : Bash
2019-08-01T00:16:24.8867362Z Description  : Run a Bash script on macOS, Linux, or Windows
---
2019-08-01T00:22:44.1228442Z    Compiling serde_json v1.0.40
2019-08-01T00:22:48.5616635Z    Compiling tidy v0.1.0 (/checkout/src/tools/tidy)
2019-08-01T00:22:57.4514876Z     Finished release [optimized] target(s) in 1m 32s
2019-08-01T00:22:57.4589053Z tidy check
2019-08-01T00:22:57.9451258Z tidy error: /checkout/src/test/ui/issues/issue-2214.rs:34: trailing whitespace
2019-08-01T00:22:57.9451695Z tidy error: /checkout/src/test/ui/issues/issue-2214.rs:36: trailing whitespace
2019-08-01T00:22:59.3271986Z some tidy checks failed
2019-08-01T00:22:59.3272155Z 
2019-08-01T00:22:59.3272155Z 
2019-08-01T00:22:59.3279856Z command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor"
2019-08-01T00:22:59.3280072Z 
2019-08-01T00:22:59.3280102Z 
2019-08-01T00:22:59.3280992Z failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
2019-08-01T00:22:59.3281081Z Build completed unsuccessfully in 0:01:35
2019-08-01T00:22:59.3281081Z Build completed unsuccessfully in 0:01:35
2019-08-01T00:23:00.6209501Z ##[error]Bash exited with code '1'.
2019-08-01T00:23:00.6240443Z ##[section]Starting: Checkout
2019-08-01T00:23:00.6243552Z ==============================================================================
2019-08-01T00:23:00.6243607Z Task         : Get sources
2019-08-01T00:23:00.6243654Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[alexcrichton]

@bors: r+ rollup

[bors]

📌 Commit 8d93778 has been approved by alexcrichton