[INFO] fetching crate piston-opengex 0.6.0...
[INFO] documenting piston-opengex-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate piston-opengex 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate piston-opengex 0.6.0 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 crates.io crate piston-opengex 0.6.0
[INFO] finished tweaking crates.io crate piston-opengex 0.6.0
[INFO] tweaked toml for crates.io crate piston-opengex 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 objc v0.1.8
[INFO] [stderr]   Downloaded freetype-sys v0.3.1
[INFO] [stderr]   Downloaded gif v0.7.0
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded gl v0.5.2
[INFO] [stderr]   Downloaded range v0.3.1
[INFO] [stderr]   Downloaded freetype-rs v0.5.0
[INFO] [stderr]   Downloaded piston3d-cam v0.2.0
[INFO] [stderr]   Downloaded quaternion v0.2.1
[INFO] [stderr]   Downloaded android_glue v0.1.3
[INFO] [stderr]   Downloaded gfx_device_gl v0.8.2
[INFO] [stderr]   Downloaded pistoncore-input v0.8.1
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded x11-dl v2.3.1
[INFO] [stderr]   Downloaded cocoa v0.2.5
[INFO] [stderr]   Downloaded sdl2 v0.14.0
[INFO] [stderr]   Downloaded osmesa-sys v0.0.5
[INFO] [stderr]   Downloaded sdl2-sys v0.8.1
[INFO] [stderr]   Downloaded pistoncore-window v0.14.0
[INFO] [stderr]   Downloaded draw_state v0.3.0
[INFO] [stderr]   Downloaded piston_meta v0.25.1
[INFO] [stderr]   Downloaded camera_controllers v0.10.0
[INFO] [stderr]   Downloaded glutin v0.4.9
[INFO] [stderr]   Downloaded gl_generator v0.4.2
[INFO] [stderr]   Downloaded pistoncore-sdl2_window v0.24.0
[INFO] [stderr]   Downloaded xml-rs v0.2.2
[INFO] [stderr]   Downloaded lzw v0.9.0
[INFO] [stderr]   Downloaded core-graphics v0.22.0
[INFO] [stderr]   Downloaded gfx_core v0.1.2
[INFO] [stderr]   Downloaded gfx v0.9.1
[INFO] [stderr]   Downloaded image v0.6.1
[INFO] [stderr]   Downloaded png v0.4.3
[INFO] [stderr]   Downloaded piston-gfx_texture v0.8.0
[INFO] [stderr]   Downloaded piston-texture v0.3.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.14.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.20.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.19.0
[INFO] [stderr]   Downloaded piston v0.17.0
[INFO] [stderr]   Downloaded piston_window v0.35.0
[INFO] [stderr]   Downloaded read_token v0.6.2
[INFO] [stderr]   Downloaded piston_meta_search v0.12.0
[INFO] [stderr]   Downloaded vec_map v0.3.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4843da4c8ad60f898c4a4f1b42519c5fc38cb781a543007ee61197d4e11129e1
[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" "4843da4c8ad60f898c4a4f1b42519c5fc38cb781a543007ee61197d4e11129e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4843da4c8ad60f898c4a4f1b42519c5fc38cb781a543007ee61197d4e11129e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4843da4c8ad60f898c4a4f1b42519c5fc38cb781a543007ee61197d4e11129e1", kill_on_drop: false }`
[INFO] [stdout] 4843da4c8ad60f898c4a4f1b42519c5fc38cb781a543007ee61197d4e11129e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 46e478050e3fbacae89ba8b5cd24455ffbb721eac12635515717bbabc95bd1ba
[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" "46e478050e3fbacae89ba8b5cd24455ffbb721eac12635515717bbabc95bd1ba", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]  Documenting piston-opengex v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "46e478050e3fbacae89ba8b5cd24455ffbb721eac12635515717bbabc95bd1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e478050e3fbacae89ba8b5cd24455ffbb721eac12635515717bbabc95bd1ba", kill_on_drop: false }`
[INFO] [stdout] 46e478050e3fbacae89ba8b5cd24455ffbb721eac12635515717bbabc95bd1ba