[INFO] cloning repository https://github.com/tlent/vulkan-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlent/vulkan-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlent%2Fvulkan-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlent%2Fvulkan-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a533c5c56f4619232a6220529ff53a7fd5be452b
[INFO] documenting tlent/vulkan-tutorial against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlent%2Fvulkan-tutorial" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tlent/vulkan-tutorial on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tlent/vulkan-tutorial
[INFO] finished tweaking git repo https://github.com/tlent/vulkan-tutorial
[INFO] tweaked toml for git repo https://github.com/tlent/vulkan-tutorial written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tlent/vulkan-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27131abca992a5b8bc2927aa40000a85affccc3263ba45948727c425b2e4e69f
[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" "27131abca992a5b8bc2927aa40000a85affccc3263ba45948727c425b2e4e69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27131abca992a5b8bc2927aa40000a85affccc3263ba45948727c425b2e4e69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27131abca992a5b8bc2927aa40000a85affccc3263ba45948727c425b2e4e69f", kill_on_drop: false }`
[INFO] [stdout] 27131abca992a5b8bc2927aa40000a85affccc3263ba45948727c425b2e4e69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "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] 29c0a3dc440ee7b148ff20a5e4de0a779265dfba112e6fcca6ceea5f85536167
[INFO] running `Command { std: "docker" "start" "-a" "29c0a3dc440ee7b148ff20a5e4de0a779265dfba112e6fcca6ceea5f85536167", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking ash-window v0.4.1
[INFO] [stderr]     Checking nalgebra-glm v0.7.0
[INFO] [stderr]  Documenting vulkan-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "29c0a3dc440ee7b148ff20a5e4de0a779265dfba112e6fcca6ceea5f85536167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c0a3dc440ee7b148ff20a5e4de0a779265dfba112e6fcca6ceea5f85536167", kill_on_drop: false }`
[INFO] [stdout] 29c0a3dc440ee7b148ff20a5e4de0a779265dfba112e6fcca6ceea5f85536167