[INFO] cloning repository https://github.com/Kienyew/rusty-piano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kienyew/rusty-piano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKienyew%2Frusty-piano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKienyew%2Frusty-piano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b5440f35e7d6de928018c2722c442522f29e924
[INFO] documenting Kienyew/rusty-piano 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%2FKienyew%2Frusty-piano" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kienyew/rusty-piano 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/Kienyew/rusty-piano
[INFO] finished tweaking git repo https://github.com/Kienyew/rusty-piano
[INFO] tweaked toml for git repo https://github.com/Kienyew/rusty-piano written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kienyew/rusty-piano 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 763418f0aacbaa604ce240ce78bbcc66544b98e125ca29ac57b863e54c9191c5
[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" "763418f0aacbaa604ce240ce78bbcc66544b98e125ca29ac57b863e54c9191c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763418f0aacbaa604ce240ce78bbcc66544b98e125ca29ac57b863e54c9191c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763418f0aacbaa604ce240ce78bbcc66544b98e125ca29ac57b863e54c9191c5", kill_on_drop: false }`
[INFO] [stdout] 763418f0aacbaa604ce240ce78bbcc66544b98e125ca29ac57b863e54c9191c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3efaf75d4c88db0acc03a54e1fb64a0d732bc35296767ac81c47311d8ec310d1
[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" "3efaf75d4c88db0acc03a54e1fb64a0d732bc35296767ac81c47311d8ec310d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.68.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston_window v0.108.0
[INFO] [stderr]  Documenting piano-tiles-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.01s
[INFO] running `Command { std: "docker" "inspect" "3efaf75d4c88db0acc03a54e1fb64a0d732bc35296767ac81c47311d8ec310d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efaf75d4c88db0acc03a54e1fb64a0d732bc35296767ac81c47311d8ec310d1", kill_on_drop: false }`
[INFO] [stdout] 3efaf75d4c88db0acc03a54e1fb64a0d732bc35296767ac81c47311d8ec310d1