Rollup of 4 pull requests

[Centril]

Successful merges:

• libstd: deny(elided_lifetimes_in_paths) #58828 (libstd: deny(elided_lifetimes_in_paths))
• doc: use correct body font URLs #59405 (doc: use correct body font URLs)
• Changed reference style in dbg macro docs. #59562 (Changed reference style in dbg macro docs.)
• Add book.toml with title to unstable-book doc #59569 (Add book.toml with title to unstable-book doc)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=4

[bors]

📌 Commit bb10b54 has been approved by Centril

[bors]

⌛ Testing commit bb10b54 with merge c0a14d7deccfcaae9e52f432c95b6433bb1f5d77...

[bors]

💔 Test failed - checks-travis

[rust-highfive]

The job dist-various-2 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.

[01:09:25] 
[01:09:26] error: hidden lifetime parameters in types are deprecated
[01:09:26]    --> src/libstd/sys/wasi/fd.rs:284:24
[01:09:26]     |
[01:09:26] 284 |         ri_data: &mut [IoVecMut],
[01:09:26] 
[01:09:31] error: aborting due to previous error
[01:09:31] 
[01:09:31] [RUSTC-TIMING] std test:false 6.175
---
travis_time:end:14eb772e:start=1553983722671698088,finish=1553983722679876870,duration=8178782
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:0b6fb149
$ 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:160b0226
travis_time:start:160b0226
$ 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:05dde3c0
$ dmesg | grep -i kill

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