[INFO] cloning repository https://github.com/OnlyOneFace/engine-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OnlyOneFace/engine-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOnlyOneFace%2Fengine-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOnlyOneFace%2Fengine-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6a75b694562785efab7f8a518798053dc4aeca2
[INFO] documenting OnlyOneFace/engine-rust 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%2FOnlyOneFace%2Fengine-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OnlyOneFace/engine-rust 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/OnlyOneFace/engine-rust
[INFO] finished tweaking git repo https://github.com/OnlyOneFace/engine-rust
[INFO] tweaked toml for git repo https://github.com/OnlyOneFace/engine-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/OnlyOneFace/engine-rust 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bfa3380e293e7ec2bd858998151f289f4d6d63b89e199cbcc9eccad5cfe7e14
[INFO] running `Command { std: "docker" "start" "-a" "3bfa3380e293e7ec2bd858998151f289f4d6d63b89e199cbcc9eccad5cfe7e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfa3380e293e7ec2bd858998151f289f4d6d63b89e199cbcc9eccad5cfe7e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfa3380e293e7ec2bd858998151f289f4d6d63b89e199cbcc9eccad5cfe7e14", kill_on_drop: false }`
[INFO] [stdout] 3bfa3380e293e7ec2bd858998151f289f4d6d63b89e199cbcc9eccad5cfe7e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9bf0bcfdaa5ccb923039333e9dfe8b5b0e0cde26d518328075f42ea673085ae7
[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" "9bf0bcfdaa5ccb923039333e9dfe8b5b0e0cde26d518328075f42ea673085ae7", kill_on_drop: false }`
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking log4rs v0.13.0
[INFO] [stderr]  Documenting engine-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "9bf0bcfdaa5ccb923039333e9dfe8b5b0e0cde26d518328075f42ea673085ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf0bcfdaa5ccb923039333e9dfe8b5b0e0cde26d518328075f42ea673085ae7", kill_on_drop: false }`
[INFO] [stdout] 9bf0bcfdaa5ccb923039333e9dfe8b5b0e0cde26d518328075f42ea673085ae7