[INFO] cloning repository https://github.com/huangjj27/game-of-life [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huangjj27/game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangjj27%2Fgame-of-life", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangjj27%2Fgame-of-life'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b71c2796fe75f5d2f0c359e114e38c910af8f39e [INFO] documenting huangjj27/game-of-life against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangjj27%2Fgame-of-life" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huangjj27/game-of-life 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 git repo https://github.com/huangjj27/game-of-life [INFO] finished tweaking git repo https://github.com/huangjj27/game-of-life [INFO] tweaked toml for git repo https://github.com/huangjj27/game-of-life written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/huangjj27/game-of-life already has a lockfile, it will not be regenerated [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-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" "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] 824878ef19059c11ec560b5925edc83e52ff615796f79ba9ed7a0f93e1056b03 [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" "824878ef19059c11ec560b5925edc83e52ff615796f79ba9ed7a0f93e1056b03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "824878ef19059c11ec560b5925edc83e52ff615796f79ba9ed7a0f93e1056b03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "824878ef19059c11ec560b5925edc83e52ff615796f79ba9ed7a0f93e1056b03", kill_on_drop: false }` [INFO] [stdout] 824878ef19059c11ec560b5925edc83e52ff615796f79ba9ed7a0f93e1056b03 [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" "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] [stdout] 19b8d9f81b6e1d008eb50dc34c2474ecbc540d018b42b4a7807d9df23c968881 [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" "19b8d9f81b6e1d008eb50dc34c2474ecbc540d018b42b4a7807d9df23c968881", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling stdweb v0.4.6 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Checking discard v1.0.3 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking rand v0.5.0 [INFO] [stderr] Checking http v0.1.5 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking backtrace v0.3.8 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Checking serde_json v1.0.19 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Compiling stdweb-derive v0.4.0 [INFO] [stderr] Checking web_logger v0.1.0 [INFO] [stderr] Checking yew v0.5.0 (https://github.com/DenisKolodin/yew#5e110bcf) [INFO] [stderr] Documenting game_of_life v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | (coord + range) [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 block return value [INFO] [stdout] --> src/lib.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | (coord - range) [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `Command { std: "docker" "inspect" "19b8d9f81b6e1d008eb50dc34c2474ecbc540d018b42b4a7807d9df23c968881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19b8d9f81b6e1d008eb50dc34c2474ecbc540d018b42b4a7807d9df23c968881", kill_on_drop: false }` [INFO] [stdout] 19b8d9f81b6e1d008eb50dc34c2474ecbc540d018b42b4a7807d9df23c968881