[INFO] fetching crate iter-comprehensions 0.4.1...
[INFO] documenting iter-comprehensions-0.4.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate iter-comprehensions 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iter-comprehensions 0.4.1 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 iter-comprehensions 0.4.1
[INFO] finished tweaking crates.io crate iter-comprehensions 0.4.1
[INFO] tweaked toml for crates.io crate iter-comprehensions 0.4.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2fbc8cfd6d42eacfd154bd63a3c8d29ecb94e8180edffa208298d92fd911c9f7
[INFO] running `Command { std: "docker" "start" "-a" "2fbc8cfd6d42eacfd154bd63a3c8d29ecb94e8180edffa208298d92fd911c9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbc8cfd6d42eacfd154bd63a3c8d29ecb94e8180edffa208298d92fd911c9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc8cfd6d42eacfd154bd63a3c8d29ecb94e8180edffa208298d92fd911c9f7", kill_on_drop: false }`
[INFO] [stdout] 2fbc8cfd6d42eacfd154bd63a3c8d29ecb94e8180edffa208298d92fd911c9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 722913fd4a394337f4f88a44d5b79885b4084b6a480ef21ab5ca805ccb7dd182
[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" "722913fd4a394337f4f88a44d5b79885b4084b6a480ef21ab5ca805ccb7dd182", kill_on_drop: false }`
[INFO] [stderr]  Documenting iter-comprehensions v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | / /// A map comprehension.
[INFO] [stdout] 172 | | ///
[INFO] [stdout] 173 | | /// A sequence of generating expressions and boolean conditions for generating a
[INFO] [stdout] 174 | | /// sequence of values. The two possible macro calls
[INFO] [stdout] ...   |
[INFO] [stdout] 199 | | /// assert_eq!(it.next(), None);
[INFO] [stdout] 200 | | /// ```
[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:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | / /// A map comprehension.
[INFO] [stdout] 172 | | ///
[INFO] [stdout] 173 | | /// A sequence of generating expressions and boolean conditions for generating a
[INFO] [stdout] 174 | | /// sequence of values. The two possible macro calls
[INFO] [stdout] ...   |
[INFO] [stdout] 199 | | /// assert_eq!(it.next(), None);
[INFO] [stdout] 200 | | /// ```
[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: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | / /// A sum expression.
[INFO] [stdout] 240 | | ///
[INFO] [stdout] 241 | | /// The two possible macro calls
[INFO] [stdout] 242 | | /// ```norun
[INFO] [stdout] ...   |
[INFO] [stdout] 268 | | /// assert_eq!(sum!(usize : i; i in 1..=10), 55);
[INFO] [stdout] 269 | | /// ```
[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: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | / /// A product expression.
[INFO] [stdout] 279 | | ///
[INFO] [stdout] 280 | | /// The two possible macro calls
[INFO] [stdout] 281 | | /// ```norun
[INFO] [stdout] ...   |
[INFO] [stdout] 306 | | /// assert_eq!(product!(usize : i; i in 1..=5), 120);
[INFO] [stdout] 307 | | /// ```
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "722913fd4a394337f4f88a44d5b79885b4084b6a480ef21ab5ca805ccb7dd182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722913fd4a394337f4f88a44d5b79885b4084b6a480ef21ab5ca805ccb7dd182", kill_on_drop: false }`
[INFO] [stdout] 722913fd4a394337f4f88a44d5b79885b4084b6a480ef21ab5ca805ccb7dd182