[INFO] crate vec_map 0.8.2 is already in cache
[INFO] documenting vec_map-0.8.2 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate vec_map 0.8.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate vec_map 0.8.2 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 vec_map 0.8.2
[INFO] finished tweaking crates.io crate vec_map 0.8.2
[INFO] tweaked toml for crates.io crate vec_map 0.8.2 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e738a17185f7a2ba376f23b44fad5ebac12d535ea25949bac1f14e96aca437b1
[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" "e738a17185f7a2ba376f23b44fad5ebac12d535ea25949bac1f14e96aca437b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e738a17185f7a2ba376f23b44fad5ebac12d535ea25949bac1f14e96aca437b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e738a17185f7a2ba376f23b44fad5ebac12d535ea25949bac1f14e96aca437b1", kill_on_drop: false }`
[INFO] [stdout] e738a17185f7a2ba376f23b44fad5ebac12d535ea25949bac1f14e96aca437b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d96e7a2ead31beaafaa638ac041e20c0581b0f6566e23a8aa53b9987ebfdd566
[INFO] running `Command { std: "docker" "start" "-a" "d96e7a2ead31beaafaa638ac041e20c0581b0f6566e23a8aa53b9987ebfdd566", kill_on_drop: false }`
[INFO] [stderr]  Documenting vec_map v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1010:34
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1017:39
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      |                                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1023:34
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "d96e7a2ead31beaafaa638ac041e20c0581b0f6566e23a8aa53b9987ebfdd566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96e7a2ead31beaafaa638ac041e20c0581b0f6566e23a8aa53b9987ebfdd566", kill_on_drop: false }`
[INFO] [stdout] d96e7a2ead31beaafaa638ac041e20c0581b0f6566e23a8aa53b9987ebfdd566