[INFO] fetching crate core_arch 0.1.5...
[INFO] documenting core_arch-0.1.5 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate core_arch 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate core_arch 0.1.5 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core_arch 0.1.5
[INFO] finished tweaking crates.io crate core_arch 0.1.5
[INFO] tweaked toml for crates.io crate core_arch 0.1.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93dbde574434cf7705803aefcfac7faeef40525f5e10034251912bc0d589d8e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93dbde574434cf7705803aefcfac7faeef40525f5e10034251912bc0d589d8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93dbde574434cf7705803aefcfac7faeef40525f5e10034251912bc0d589d8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dbde574434cf7705803aefcfac7faeef40525f5e10034251912bc0d589d8e5", kill_on_drop: false }`
[INFO] [stdout] 93dbde574434cf7705803aefcfac7faeef40525f5e10034251912bc0d589d8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42ae1a4493a7121367d33a9e417e6c54cf639d48cc356aa8941759d363b1cd2e
[INFO] running `Command { std: "docker" "start" "-a" "42ae1a4493a7121367d33a9e417e6c54cf639d48cc356aa8941759d363b1cd2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_arch v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting core_arch v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/eflags.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     asm!("pushfq; popq $0" : "=r"(eflags) : : : "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/eflags.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     asm!("pushq $0; popfq" : : "r"(eflags) : "cc", "flags" : "volatile");
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/cpuid.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |           asm!("cpuid\n"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 69 | |              : "={eax}"(eax), "={ebx}"(ebx), "={ecx}"(ecx), "={edx}"(edx)
[INFO] [stdout] 70 | |              : "{eax}"(leaf), "{ecx}"(sub_leaf)
[INFO] [stdout] 71 | |              : "rbx" :);
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/xsave.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     asm!("xgetbv" : "={eax}"(eax), "={edx}"(edx) : "{ecx}"(xcr_no));
[INFO] [stdout]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/bt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |       asm!("btl $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 11 | |          : "=r"(r)
[INFO] [stdout] 12 | |          : "*m"(p), "r"(b)
[INFO] [stdout] 13 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/bt.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |       asm!("btsl $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 24 | |          : "=r"(r), "+*m"(p)
[INFO] [stdout] 25 | |          : "r"(b)
[INFO] [stdout] 26 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/bt.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |       asm!("btrl $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 37 | |          : "=r"(r), "+*m"(p)
[INFO] [stdout] 38 | |          : "r"(b)
[INFO] [stdout] 39 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86/bt.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |       asm!("btcl $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 50 | |          : "=r"(r), "+*m"(p)
[INFO] [stdout] 51 | |          : "r"(b)
[INFO] [stdout] 52 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86_64/bt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |       asm!("btq $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 11 | |          : "=r"(r)
[INFO] [stdout] 12 | |          : "*m"(p), "r"(b)
[INFO] [stdout] 13 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86_64/bt.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |       asm!("btsq $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 24 | |          : "=r"(r), "+*m"(p)
[INFO] [stdout] 25 | |          : "r"(b)
[INFO] [stdout] 26 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86_64/bt.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |       asm!("btrq $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 37 | |          : "=r"(r), "+*m"(p)
[INFO] [stdout] 38 | |          : "r"(b)
[INFO] [stdout] 39 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/x86_64/bt.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |       asm!("btcq $2, $1\n\tsetc ${0:b}"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 50 | |          : "=r"(r), "+*m"(p)
[INFO] [stdout] 51 | |          : "r"(b)
[INFO] [stdout] 52 | |          : "cc", "memory");
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / #![feature(
[INFO] [stdout] 6  | |     const_fn,
[INFO] [stdout] 7  | |     const_fn_union,
[INFO] [stdout] 8  | |     link_llvm_intrinsics,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     external_doc
[INFO] [stdout] 36 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `core_arch`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name core_arch src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --cfg core_arch_docs` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "42ae1a4493a7121367d33a9e417e6c54cf639d48cc356aa8941759d363b1cd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ae1a4493a7121367d33a9e417e6c54cf639d48cc356aa8941759d363b1cd2e", kill_on_drop: false }`
[INFO] [stdout] 42ae1a4493a7121367d33a9e417e6c54cf639d48cc356aa8941759d363b1cd2e