[INFO] fetching crate rustogram 0.1.4...
[INFO] documenting rustogram-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rustogram 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustogram 0.1.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustogram 0.1.4
[INFO] finished tweaking crates.io crate rustogram 0.1.4
[INFO] tweaked toml for crates.io crate rustogram 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d355994e371960f3c8b98de9f698e3d6c37c463bc40893e07b54f1500c2b0b5
[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" "9d355994e371960f3c8b98de9f698e3d6c37c463bc40893e07b54f1500c2b0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d355994e371960f3c8b98de9f698e3d6c37c463bc40893e07b54f1500c2b0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d355994e371960f3c8b98de9f698e3d6c37c463bc40893e07b54f1500c2b0b5", kill_on_drop: false }`
[INFO] [stdout] 9d355994e371960f3c8b98de9f698e3d6c37c463bc40893e07b54f1500c2b0b5
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] b8a3b1f03686a3e66816ba3befe0e364b5a4b052c02a116afcb7315e94c18abc
[INFO] running `Command { std: "docker" "start" "-a" "b8a3b1f03686a3e66816ba3befe0e364b5a4b052c02a116afcb7315e94c18abc", kill_on_drop: false }`
[INFO] [stderr]  Documenting rustogram v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/iter.rs:166:50
[INFO] [stdout]     |
[INFO] [stdout] 166 | / ...                   (self.total_count_to_current_index -
[INFO] [stdout] 167 | | ...                    self.total_count_to_prev_index),
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 |                                                  self.total_count_to_current_index -
[INFO] [stdout] 167 |                                                   self.total_count_to_prev_index,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/iter.rs:170:50
[INFO] [stdout]     |
[INFO] [stdout] 170 | / ...                   ((100.0f64 *
[INFO] [stdout] 171 | | ...                     self.total_count_to_current_index as f64) /
[INFO] [stdout] 172 | | ...                    (self.array_total_count as f64)),
[INFO] [stdout]     | |_______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 |                                                  (100.0f64 *
[INFO] [stdout] 171 |                                                    self.total_count_to_current_index as f64) /
[INFO] [stdout] 172 |                                                   (self.array_total_count as f64),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "b8a3b1f03686a3e66816ba3befe0e364b5a4b052c02a116afcb7315e94c18abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a3b1f03686a3e66816ba3befe0e364b5a4b052c02a116afcb7315e94c18abc", kill_on_drop: false }`
[INFO] [stdout] b8a3b1f03686a3e66816ba3befe0e364b5a4b052c02a116afcb7315e94c18abc