[INFO] cloning repository https://github.com/BenWiederhake/solve99game-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenWiederhake/solve99game-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fsolve99game-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fsolve99game-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0b721856276c21052e724c947e61d6bbac23959
[INFO] documenting BenWiederhake/solve99game-rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fsolve99game-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenWiederhake/solve99game-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenWiederhake/solve99game-rs
[INFO] finished tweaking git repo https://github.com/BenWiederhake/solve99game-rs
[INFO] tweaked toml for git repo https://github.com/BenWiederhake/solve99game-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BenWiederhake/solve99game-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f593da5cd7543930fa5b621250a1caf57b4e077da626d6ab8c980914bc603c0
[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" "4f593da5cd7543930fa5b621250a1caf57b4e077da626d6ab8c980914bc603c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f593da5cd7543930fa5b621250a1caf57b4e077da626d6ab8c980914bc603c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f593da5cd7543930fa5b621250a1caf57b4e077da626d6ab8c980914bc603c0", kill_on_drop: false }`
[INFO] [stdout] 4f593da5cd7543930fa5b621250a1caf57b4e077da626d6ab8c980914bc603c0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa540c26c14f7f4b030fbb0f4b51e2c549f2cebc24877e405f3e73e3966d34f
[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" "aaa540c26c14f7f4b030fbb0f4b51e2c549f2cebc24877e405f3e73e3966d34f", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking static_assert_macro v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]  Documenting solve99game-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:183:54
[INFO] [stdout]     |
[INFO] [stdout] 183 |         fn is_zero(c: &BoardCell) -> bool { 0 == *c };
[INFO] [stdout]     |                                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:188:59
[INFO] [stdout]     |
[INFO] [stdout] 188 |         fn is_nonzero(c: &&BoardCell) -> bool { 0 != **c };
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "aaa540c26c14f7f4b030fbb0f4b51e2c549f2cebc24877e405f3e73e3966d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa540c26c14f7f4b030fbb0f4b51e2c549f2cebc24877e405f3e73e3966d34f", kill_on_drop: false }`
[INFO] [stdout] aaa540c26c14f7f4b030fbb0f4b51e2c549f2cebc24877e405f3e73e3966d34f