x86_64 0.9.4

Support for x86_64 specific instructions, registers, and structures.
Documentation
Build #224495 2020-02-25T12:52:05.570097+00:00
# rustc version
rustc 1.43.0-nightly (834bc5650 2020-02-24)
# docs.rs version
docsrs 0.6.0 (7de24ca 2020-02-23)

# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/x86_64-0.9.4/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/x86_64-0.9.4/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20200224-1.43.0-nightly-834bc5650 --static-root-path / --extern-html-root-url bitflags=https://docs.rs/bitflags/1.2.1 --extern-html-root-url bit_field=https://docs.rs/bit_field/0.9.0" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a4533a6badaee03f3b8e2c59bbdefb4f446ce9a10687fdcf676549350a39d93
[INFO] running `"docker" "start" "-a" "7a4533a6badaee03f3b8e2c59bbdefb4f446ce9a10687fdcf676549350a39d93"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]  Documenting x86_64 v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "7a4533a6badaee03f3b8e2c59bbdefb4f446ce9a10687fdcf676549350a39d93"`
[INFO] running `"docker" "rm" "-f" "7a4533a6badaee03f3b8e2c59bbdefb4f446ce9a10687fdcf676549350a39d93"`
[INFO] [stdout] 7a4533a6badaee03f3b8e2c59bbdefb4f446ce9a10687fdcf676549350a39d93