[INFO] fetching crate matrix 0.22.0...
[INFO] documenting matrix-0.22.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate matrix 0.22.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matrix 0.22.0 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 matrix 0.22.0
[INFO] finished tweaking crates.io crate matrix 0.22.0
[INFO] tweaked toml for crates.io crate matrix 0.22.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f3b9fb122aa5116c6e43ba5cf540de1ee00c293c51aa8ccfb37565e8fdea1f88
[INFO] running `Command { std: "docker" "start" "-a" "f3b9fb122aa5116c6e43ba5cf540de1ee00c293c51aa8ccfb37565e8fdea1f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3b9fb122aa5116c6e43ba5cf540de1ee00c293c51aa8ccfb37565e8fdea1f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b9fb122aa5116c6e43ba5cf540de1ee00c293c51aa8ccfb37565e8fdea1f88", kill_on_drop: false }`
[INFO] [stdout] f3b9fb122aa5116c6e43ba5cf540de1ee00c293c51aa8ccfb37565e8fdea1f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4952c2249d0b1f113128547c7ba450fd97d947a0d3340ccad658ef844106034f
[INFO] running `Command { std: "docker" "start" "-a" "4952c2249d0b1f113128547c7ba450fd97d947a0d3340ccad658ef844106034f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]  Documenting matrix v0.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | / /// A macro for composing matrices in the natural order.
[INFO] [stdout] 91  | | ///
[INFO] [stdout] 92  | | /// The data of a generic matrix is conventionally stored in the column-major
[INFO] [stdout] 93  | | /// order; see `format::conventional`. Consequently, the vector
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | | /// ]
[INFO] [stdout] 122 | | /// ```
[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/lib.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | / /// A macro for composing matrices in the natural order.
[INFO] [stdout] 91  | | ///
[INFO] [stdout] 92  | | /// The data of a generic matrix is conventionally stored in the column-major
[INFO] [stdout] 93  | | /// order; see `format::conventional`. Consequently, the vector
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | | /// ]
[INFO] [stdout] 122 | | /// ```
[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 3.09s
[INFO] running `Command { std: "docker" "inspect" "4952c2249d0b1f113128547c7ba450fd97d947a0d3340ccad658ef844106034f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4952c2249d0b1f113128547c7ba450fd97d947a0d3340ccad658ef844106034f", kill_on_drop: false }`
[INFO] [stdout] 4952c2249d0b1f113128547c7ba450fd97d947a0d3340ccad658ef844106034f