[INFO] crate double 0.2.4 is already in cache
[INFO] documenting double-0.2.4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate double 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate double 0.2.4 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 double 0.2.4
[INFO] finished tweaking crates.io crate double 0.2.4
[INFO] tweaked toml for crates.io crate double 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate double 0.2.4 already has a lockfile, it will not be regenerated
[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] 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] [stdout] 4e6d557c884d3440ca3482e71ac1d1aefe69399f7b634281151a2bb6a0037711
[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" "4e6d557c884d3440ca3482e71ac1d1aefe69399f7b634281151a2bb6a0037711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e6d557c884d3440ca3482e71ac1d1aefe69399f7b634281151a2bb6a0037711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6d557c884d3440ca3482e71ac1d1aefe69399f7b634281151a2bb6a0037711", kill_on_drop: false }`
[INFO] [stdout] 4e6d557c884d3440ca3482e71ac1d1aefe69399f7b634281151a2bb6a0037711
[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] 0ea3a7270113e3d1c4f1c7e9bea18aa85a02f84b33b77ba096455cb9dc076ab2
[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" "0ea3a7270113e3d1c4f1c7e9bea18aa85a02f84b33b77ba096455cb9dc076ab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking lazysort v0.2.1
[INFO] [stderr]    Compiling double v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking float-cmp v0.2.5
[INFO] [stderr]  Documenting double v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/mock.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 358 |     /// ```text
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "0ea3a7270113e3d1c4f1c7e9bea18aa85a02f84b33b77ba096455cb9dc076ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea3a7270113e3d1c4f1c7e9bea18aa85a02f84b33b77ba096455cb9dc076ab2", kill_on_drop: false }`
[INFO] [stdout] 0ea3a7270113e3d1c4f1c7e9bea18aa85a02f84b33b77ba096455cb9dc076ab2