[INFO] fetching crate barrel 0.6.5...
[INFO] documenting barrel-0.6.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate barrel 0.6.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate barrel 0.6.5 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 barrel 0.6.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate barrel 0.6.5
[INFO] tweaked toml for crates.io crate barrel 0.6.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate barrel 0.6.5 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] 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] [stdout] 3d7edb141e6f7767a1fa95b7ec6a233ed41b2d1592117794d2cc9dd360b343f1
[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" "3d7edb141e6f7767a1fa95b7ec6a233ed41b2d1592117794d2cc9dd360b343f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d7edb141e6f7767a1fa95b7ec6a233ed41b2d1592117794d2cc9dd360b343f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7edb141e6f7767a1fa95b7ec6a233ed41b2d1592117794d2cc9dd360b343f1", kill_on_drop: false }`
[INFO] [stdout] 3d7edb141e6f7767a1fa95b7ec6a233ed41b2d1592117794d2cc9dd360b343f1
[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] [stdout] 7c0005ae70da5ea26509022e370fd59aac932e302b4ce643819917ce34f352cf
[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" "7c0005ae70da5ea26509022e370fd59aac932e302b4ce643819917ce34f352cf", kill_on_drop: false }`
[INFO] [stderr]  Documenting barrel v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/types/impls.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / /// A database column type and all the metadata attached to it
[INFO] [stdout] 45 | | ///
[INFO] [stdout] 46 | | /// Using this struct directly is not recommended. Instead, you should be
[INFO] [stdout] 47 | | /// using the constructor APIs in the `types` module.
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | | /// let col = integer().increments(true).unique(true);
[INFO] [stdout] 76 | | /// ```
[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/types/impls.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / /// A database column type and all the metadata attached to it
[INFO] [stdout] 45 | | ///
[INFO] [stdout] 46 | | /// Using this struct directly is not recommended. Instead, you should be
[INFO] [stdout] 47 | | /// using the constructor APIs in the `types` module.
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | | /// let col = integer().increments(true).unique(true);
[INFO] [stdout] 76 | | /// ```
[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 1.35s
[INFO] running `Command { std: "docker" "inspect" "7c0005ae70da5ea26509022e370fd59aac932e302b4ce643819917ce34f352cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0005ae70da5ea26509022e370fd59aac932e302b4ce643819917ce34f352cf", kill_on_drop: false }`
[INFO] [stdout] 7c0005ae70da5ea26509022e370fd59aac932e302b4ce643819917ce34f352cf