[INFO] cloning repository https://github.com/obrok/piston_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obrok/piston_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobrok%2Fpiston_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobrok%2Fpiston_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4360c9bce321bc70ee042b7534228aea3b2200ab
[INFO] documenting obrok/piston_test against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobrok%2Fpiston_test" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obrok/piston_test on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/obrok/piston_test
[INFO] finished tweaking git repo https://github.com/obrok/piston_test
[INFO] tweaked toml for git repo https://github.com/obrok/piston_test written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/obrok/piston_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.36.0
[INFO] [stderr]   Downloaded pistoncore-window v0.31.0
[INFO] [stderr]   Downloaded x11-dl v2.17.3
[INFO] [stderr]   Downloaded gleam v0.4.23
[INFO] [stderr]   Downloaded glutin v0.12.2
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.45.2
[INFO] [stderr]   Downloaded gl_generator v0.8.0
[INFO] [stderr]   Downloaded cocoa v0.13.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.50.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.31.0
[INFO] [stderr]   Downloaded pistoncore-input v0.20.0
[INFO] [stderr]   Downloaded shared_library v0.1.8
[INFO] [stderr]   Downloaded gfx_core v0.8.2
[INFO] [stderr]   Downloaded core-graphics v0.12.4
[INFO] [stderr]   Downloaded rusttype v0.4.1
[INFO] [stderr]   Downloaded winit v0.10.0
[INFO] [stderr]   Downloaded piston v0.36.0
[INFO] [stderr]   Downloaded piston-ai_behavior v0.22.0
[INFO] [stderr]   Downloaded piston_window v0.77.0
[INFO] [stderr]   Downloaded piston2d-sprite v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba8d4fc22522593c4829eca351bb4a9bb99e3db833bdf7e45db595c4981b9ae5
[INFO] running `Command { std: "docker" "start" "-a" "ba8d4fc22522593c4829eca351bb4a9bb99e3db833bdf7e45db595c4981b9ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba8d4fc22522593c4829eca351bb4a9bb99e3db833bdf7e45db595c4981b9ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8d4fc22522593c4829eca351bb4a9bb99e3db833bdf7e45db595c4981b9ae5", kill_on_drop: false }`
[INFO] [stdout] ba8d4fc22522593c4829eca351bb4a9bb99e3db833bdf7e45db595c4981b9ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30f5d33aba27ecf0fa3aaef8c67dfbcacbf05dbe2abfb8fbbe2dfa449606e27c
[INFO] running `Command { std: "docker" "start" "-a" "30f5d33aba27ecf0fa3aaef8c67dfbcacbf05dbe2abfb8fbbe2dfa449606e27c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking rusttype v0.4.1
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking piston-ai_behavior v0.22.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking piston2d-sprite v0.43.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.1
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.2
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.50.0
[INFO] [stderr]     Checking piston_window v0.77.0
[INFO] [stderr]  Documenting piston_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.10.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/piston_test/index.html
[INFO] running `Command { std: "docker" "inspect" "30f5d33aba27ecf0fa3aaef8c67dfbcacbf05dbe2abfb8fbbe2dfa449606e27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f5d33aba27ecf0fa3aaef8c67dfbcacbf05dbe2abfb8fbbe2dfa449606e27c", kill_on_drop: false }`
[INFO] [stdout] 30f5d33aba27ecf0fa3aaef8c67dfbcacbf05dbe2abfb8fbbe2dfa449606e27c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe8b853f04eb64fc8fe885004333c9c92716e6473e94c87a1c92ed19821367d
[INFO] running `Command { std: "docker" "start" "-a" "abe8b853f04eb64fc8fe885004333c9c92716e6473e94c87a1c92ed19821367d", kill_on_drop: false }`
[INFO] [stderr]  Documenting piston_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.10.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/piston_test/index.html
[INFO] running `Command { std: "docker" "inspect" "abe8b853f04eb64fc8fe885004333c9c92716e6473e94c87a1c92ed19821367d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe8b853f04eb64fc8fe885004333c9c92716e6473e94c87a1c92ed19821367d", kill_on_drop: false }`
[INFO] [stdout] abe8b853f04eb64fc8fe885004333c9c92716e6473e94c87a1c92ed19821367d