[INFO] fetching crate x64_asm 0.1.20...
[INFO] documenting x64_asm-0.1.20 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate x64_asm 0.1.20 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate x64_asm 0.1.20 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x64_asm 0.1.20
[INFO] finished tweaking crates.io crate x64_asm 0.1.20
[INFO] tweaked toml for crates.io crate x64_asm 0.1.20 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] 1d0c76be6864f892fcc40fb91edc9886f7999fc15e1f9d2235e1499d1fa58271
[INFO] running `Command { std: "docker" "start" "-a" "1d0c76be6864f892fcc40fb91edc9886f7999fc15e1f9d2235e1499d1fa58271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d0c76be6864f892fcc40fb91edc9886f7999fc15e1f9d2235e1499d1fa58271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0c76be6864f892fcc40fb91edc9886f7999fc15e1f9d2235e1499d1fa58271", kill_on_drop: false }`
[INFO] [stdout] 1d0c76be6864f892fcc40fb91edc9886f7999fc15e1f9d2235e1499d1fa58271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7819678697ad8c8ead4aa8e141a50f6242330dd3d35e1b3a3fc584c8558b313b
[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" "7819678697ad8c8ead4aa8e141a50f6242330dd3d35e1b3a3fc584c8558b313b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting x64_asm v0.1.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[rax]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/operand.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     /// ex. [rax], -4[rbp]
[INFO] [stdout]    |              ^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[rbp]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/operand.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     /// ex. [rax], -4[rbp]
[INFO] [stdout]    |                       ^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[rax]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/operand.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     /// ex. [rax], -4[rbp]
[INFO] [stdout]    |              ^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]  --> src/group.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |   /// ```rust
[INFO] [stdout]   |  _____^
[INFO] [stdout] 8 | | ///
[INFO] [stdout] 9 | | /// ```
[INFO] [stdout]   | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "7819678697ad8c8ead4aa8e141a50f6242330dd3d35e1b3a3fc584c8558b313b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7819678697ad8c8ead4aa8e141a50f6242330dd3d35e1b3a3fc584c8558b313b", kill_on_drop: false }`
[INFO] [stdout] 7819678697ad8c8ead4aa8e141a50f6242330dd3d35e1b3a3fc584c8558b313b