[INFO] cloning repository https://github.com/echelon/etherdream-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/echelon/etherdream-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechelon%2Fetherdream-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechelon%2Fetherdream-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 656568a599c357495d725b20e93b6fadda29ac26
[INFO] documenting echelon/etherdream-emulator 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%2Fechelon%2Fetherdream-emulator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/echelon/etherdream-emulator 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/echelon/etherdream-emulator
[INFO] finished tweaking git repo https://github.com/echelon/etherdream-emulator
[INFO] tweaked toml for git repo https://github.com/echelon/etherdream-emulator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/echelon/etherdream-emulator 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d3ea84fb6b4a55d56d58493d44153715f5fef10b40d306f471a4dc138efe34b1
[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" "d3ea84fb6b4a55d56d58493d44153715f5fef10b40d306f471a4dc138efe34b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ea84fb6b4a55d56d58493d44153715f5fef10b40d306f471a4dc138efe34b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ea84fb6b4a55d56d58493d44153715f5fef10b40d306f471a4dc138efe34b1", kill_on_drop: false }`
[INFO] [stdout] d3ea84fb6b4a55d56d58493d44153715f5fef10b40d306f471a4dc138efe34b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 2a16baae046271cb6413c25a476001f0bceaa693cd26f872c3691306a790db54
[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" "2a16baae046271cb6413c25a476001f0bceaa693cd26f872c3691306a790db54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling serde v0.8.19
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking shader_version v0.2.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking piston-texture v0.4.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling freetype-sys v0.4.0
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking piston2d-graphics v0.16.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking freetype-rs v0.9.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]     Checking pistoncore-input v0.12.0
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking pistoncore-window v0.20.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.23.0
[INFO] [stderr]     Checking piston v0.23.0
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking pistoncore-glutin_window v0.27.0
[INFO] [stderr]     Checking piston2d-glium_graphics v0.26.0
[INFO] [stderr]  Documenting etherdream-emulator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "2a16baae046271cb6413c25a476001f0bceaa693cd26f872c3691306a790db54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a16baae046271cb6413c25a476001f0bceaa693cd26f872c3691306a790db54", kill_on_drop: false }`
[INFO] [stdout] 2a16baae046271cb6413c25a476001f0bceaa693cd26f872c3691306a790db54