Rollup of 10 pull requests

[Centril]

Successful merges:

• Prevent failure in case no space left on device in rustdoc #59734 (Prevent failure in case no space left on device in rustdoc)
• Fix index-page generation #60134 (Fix index-page generation)
• Add Pin::{into_inner,into_inner_unchecked} #60165 (Add Pin::{into_inner,into_inner_unchecked})
• Chalkify: Add builtin Copy/Clone #60183 (Chalkify: Add builtin Copy/Clone)
• Introduce hir::ExprKind::Use and employ in for loop desugaring. #60225 (Introduce hir::ExprKind::Use and employ in for loop desugaring.)
• Implement Debug for Place using Place::iterate #60247 (Implement Debug for Place using Place::iterate)
• Derive Default instead of new in applicable lint #60259 (Derive Default instead of new in applicable lint)
• Add feature-gate for f16c target feature #60267 (Add feature-gate for f16c target feature)
• Do not allow const generics to depend on type parameters #60284 (Do not allow const generics to depend on type parameters)
• Do not ICE when checking types against foreign fn #60285 (Do not ICE when checking types against foreign fn)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=10

[bors]

📌 Commit e73c6f7 has been approved by Centril

[rust-highfive]

The job x86_64-gnu-llvm-6.0 of your PR failed on Travis (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.

travis_time:end:0c2cfbf8:start=1556228218032630430,finish=1556228342819215173,duration=124786584743
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout

Encrypted environment variables have been removed for security reasons.
See https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions
$ export SCCACHE_BUCKET=rust-lang-ci-sccache2
$ export SCCACHE_REGION=us-west-1
$ export GCP_CACHE_BUCKET=rust-lang-ci-cache
$ export AWS_ACCESS_KEY_ID=AKIA46X5W6CZEJZ6XT55
---
travis_time:start:test_assembly
Check compiletest suite=assembly mode=assembly (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
[01:24:07] 
[01:24:07] running 9 tests
[01:24:07] iiiiiiiii
[01:24:07] 
[01:24:07]  finished in 0.148
[01:24:07] travis_fold:end:test_assembly

---
travis_time:start:test_debuginfo
Check compiletest suite=debuginfo mode=debuginfo-both (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
[01:24:23] 
[01:24:23] running 121 tests
[01:24:46] .iiiii...i.....i..i...i..i.i.i..i.ii...i.....i..i....i..........iiii..........i...ii...i.......ii.i. 100/121
[01:24:51] i.i......iii.i.....ii
[01:24:51] 
[01:24:51]  finished in 28.260
[01:24:51] travis_fold:end:test_debuginfo

---
[01:53:03] ---- /checkout/obj/build/x86_64-unknown-linux-gnu/test/error-index.md - Rust_Compiler_Error_Index::E0671 (line 11021) stdout ----
[01:53:03] error[E0671]: const parameters cannot depend on type parameters
[01:53:03]  --> /checkout/obj/build/x86_64-unknown-linux-gnu/test/error-index.md:11022:25
[01:53:03]   |
[01:53:03] 3 | fn const_id<T, const N: T>() -> T {
[01:53:03]   |                         ^ const parameter depends on type parameter
[01:53:03] error[E0658]: const generics are unstable
[01:53:03]  --> /checkout/obj/build/x86_64-unknown-linux-gnu/test/error-index.md:11022:22
[01:53:03]   |
[01:53:03]   |
[01:53:03] 3 | fn const_id<T, const N: T>() -> T {
[01:53:03]   |
[01:53:03]   = note: for more information, see https://github.com/rust-lang/rust/issues/44580
[01:53:03]   = help: add #![feature(const_generics)] to the crate attributes to enable
[01:53:03] 
---
[01:53:03] 
[01:53:03] 
[01:53:03] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
[01:53:03] Build completed unsuccessfully in 0:40:46
[01:53:03] Makefile:48: recipe for target 'check' failed
[01:53:03] make: *** [check] Error 1
The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:029d4806
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
Thu Apr 25 23:32:15 UTC 2019
---
travis_time:end:07e91521:start=1556235136697359428,finish=1556235136702259573,duration=4900145
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:00192032
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:033b914b
travis_time:start:033b914b
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:0a13e4aa
$ dmesg | grep -i kill

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