[INFO] crate hexe 0.0.5 is already in cache
[INFO] documenting hexe-0.0.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate hexe 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hexe 0.0.5 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 hexe 0.0.5
[INFO] finished tweaking crates.io crate hexe 0.0.5
[INFO] tweaked toml for crates.io crate hexe 0.0.5 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 1a54029de5cb1105a722b82acbc6ee8f242bb2fff9604a93d361f2f7ac64fcc8
[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" "1a54029de5cb1105a722b82acbc6ee8f242bb2fff9604a93d361f2f7ac64fcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a54029de5cb1105a722b82acbc6ee8f242bb2fff9604a93d361f2f7ac64fcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a54029de5cb1105a722b82acbc6ee8f242bb2fff9604a93d361f2f7ac64fcc8", kill_on_drop: false }`
[INFO] [stdout] 1a54029de5cb1105a722b82acbc6ee8f242bb2fff9604a93d361f2f7ac64fcc8
[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" "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] bd5340ecb705527151173b2579c0e2521c9efb8517fa6c4de21ab86c33c3d7fd
[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" "bd5340ecb705527151173b2579c0e2521c9efb8517fa6c4de21ab86c33c3d7fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking uncon v1.1.0
[INFO] [stderr]    Compiling uncon_derive v1.1.1
[INFO] [stderr]     Checking hexe_core v0.0.5
[INFO] [stderr]  Documenting hexe v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/engine/uci.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     /// Runs the UCI loop, feeding commands from `stdin`.
[INFO] [stdout] 84 | |     ///
[INFO] [stdout] 85 | |     /// This method retains a lock on `stdin` until it exits. To feed commands
[INFO] [stdout] 86 | |     /// differently, use [`start_with`](#method.start_with).
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |     /// engine.uci().start();
[INFO] [stdout] 97 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_codeblock_attribute)]` on by default
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/engine/uci.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     /// Runs the UCI loop, feeding commands from an iterator.
[INFO] [stdout] 114 | |     ///
[INFO] [stdout] 115 | |     /// # Examples
[INFO] [stdout] 116 | |     ///
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     /// engine.uci().start_with(args);
[INFO] [stdout] 128 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "bd5340ecb705527151173b2579c0e2521c9efb8517fa6c4de21ab86c33c3d7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5340ecb705527151173b2579c0e2521c9efb8517fa6c4de21ab86c33c3d7fd", kill_on_drop: false }`
[INFO] [stdout] bd5340ecb705527151173b2579c0e2521c9efb8517fa6c4de21ab86c33c3d7fd