[INFO] fetching crate piston2d-opengl_graphics 0.72.0...
[INFO] documenting piston2d-opengl_graphics-0.72.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate piston2d-opengl_graphics 0.72.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate piston2d-opengl_graphics 0.72.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston2d-opengl_graphics 0.72.0
[INFO] finished tweaking crates.io crate piston2d-opengl_graphics 0.72.0
[INFO] tweaked toml for crates.io crate piston2d-opengl_graphics 0.72.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate piston2d-opengl_graphics 0.72.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5bbd6a72425e2e45ab4722bd90f9d713657c93d4fda4345eb1ac126726ed9fa
[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" "d5bbd6a72425e2e45ab4722bd90f9d713657c93d4fda4345eb1ac126726ed9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5bbd6a72425e2e45ab4722bd90f9d713657c93d4fda4345eb1ac126726ed9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bbd6a72425e2e45ab4722bd90f9d713657c93d4fda4345eb1ac126726ed9fa", kill_on_drop: false }`
[INFO] [stdout] d5bbd6a72425e2e45ab4722bd90f9d713657c93d4fda4345eb1ac126726ed9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] f073cd42c9514e44a514d3c22dc592f52f59e8d7787bfdcae8e530d6ed766ae8
[INFO] running `Command { std: "docker" "start" "-a" "f073cd42c9514e44a514d3c22dc592f52f59e8d7787bfdcae8e530d6ed766ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]  Documenting piston2d-opengl_graphics v0.72.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.43s
[INFO] running `Command { std: "docker" "inspect" "f073cd42c9514e44a514d3c22dc592f52f59e8d7787bfdcae8e530d6ed766ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f073cd42c9514e44a514d3c22dc592f52f59e8d7787bfdcae8e530d6ed766ae8", kill_on_drop: false }`
[INFO] [stdout] f073cd42c9514e44a514d3c22dc592f52f59e8d7787bfdcae8e530d6ed766ae8