[INFO] cloning repository https://github.com/awarebayes/rust_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awarebayes/rust_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawarebayes%2Frust_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawarebayes%2Frust_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 916cca5c3b9fa1b338ea2dc933f753d53773b148
[INFO] documenting awarebayes/rust_engine 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%2Fawarebayes%2Frust_engine" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/awarebayes/rust_engine 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/awarebayes/rust_engine
[INFO] finished tweaking git repo https://github.com/awarebayes/rust_engine
[INFO] tweaked toml for git repo https://github.com/awarebayes/rust_engine written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/awarebayes/rust_engine 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded glutin v0.22.0-alpha6
[INFO] [stderr]   Downloaded winit v0.20.0-alpha4
[INFO] [stderr]   Downloaded glium v0.26.0-alpha6
[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" "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] 25e49dd70b92b00fccbf32e1e2c563950f3b41bea32e40c2a788a7967b0403a6
[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" "25e49dd70b92b00fccbf32e1e2c563950f3b41bea32e40c2a788a7967b0403a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e49dd70b92b00fccbf32e1e2c563950f3b41bea32e40c2a788a7967b0403a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e49dd70b92b00fccbf32e1e2c563950f3b41bea32e40c2a788a7967b0403a6", kill_on_drop: false }`
[INFO] [stdout] 25e49dd70b92b00fccbf32e1e2c563950f3b41bea32e40c2a788a7967b0403a6
[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" "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] d9d36acf92e3af8431ec373d58f407fd0a7d17b5e107ac6bc4cc57028b10954e
[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" "d9d36acf92e3af8431ec373d58f407fd0a7d17b5e107ac6bc4cc57028b10954e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glium v0.26.0-alpha6
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]     Checking winit v0.20.0-alpha4
[INFO] [stderr]     Checking glutin v0.22.0-alpha6
[INFO] [stderr]  Documenting testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "d9d36acf92e3af8431ec373d58f407fd0a7d17b5e107ac6bc4cc57028b10954e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d36acf92e3af8431ec373d58f407fd0a7d17b5e107ac6bc4cc57028b10954e", kill_on_drop: false }`
[INFO] [stdout] d9d36acf92e3af8431ec373d58f407fd0a7d17b5e107ac6bc4cc57028b10954e