[INFO] crate xgboost-sys 0.1.2 is already in cache
[INFO] documenting xgboost-sys-0.1.2 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate xgboost-sys 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xgboost-sys 0.1.2 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate xgboost-sys 0.1.2
[INFO] finished tweaking crates.io crate xgboost-sys 0.1.2
[INFO] tweaked toml for crates.io crate xgboost-sys 0.1.2 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 09e3a32eed1dfd734fc30ee35416962e46d902f0b771f7c630c6d7fda472332d
[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" "09e3a32eed1dfd734fc30ee35416962e46d902f0b771f7c630c6d7fda472332d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e3a32eed1dfd734fc30ee35416962e46d902f0b771f7c630c6d7fda472332d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e3a32eed1dfd734fc30ee35416962e46d902f0b771f7c630c6d7fda472332d", kill_on_drop: false }`
[INFO] [stdout] 09e3a32eed1dfd734fc30ee35416962e46d902f0b771f7c630c6d7fda472332d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d0992e83d4d1d54df8aba6301800d43a692bf8a8524043ade4361a7c900f340
[INFO] running `Command { std: "docker" "start" "-a" "7d0992e83d4d1d54df8aba6301800d43a692bf8a8524043ade4361a7c900f340", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bindgen v0.36.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling xgboost-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting xgboost-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[op::Sum]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/xgboost-sys-bf368dacf7f3e964/out/bindings.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | /// Allreduce<op::Sum>(&data[0], data.size());
[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: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/xgboost-sys-bf368dacf7f3e964/out/bindings.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 | /// Allreduce<op::Sum>(&data[0], data.size());
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 38s
[INFO] running `Command { std: "docker" "inspect" "7d0992e83d4d1d54df8aba6301800d43a692bf8a8524043ade4361a7c900f340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0992e83d4d1d54df8aba6301800d43a692bf8a8524043ade4361a7c900f340", kill_on_drop: false }`
[INFO] [stdout] 7d0992e83d4d1d54df8aba6301800d43a692bf8a8524043ade4361a7c900f340