[INFO] fetching crate piston2d-graphics_tree 0.30.0...
[INFO] documenting piston2d-graphics_tree-0.30.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate piston2d-graphics_tree 0.30.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate piston2d-graphics_tree 0.30.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston2d-graphics_tree 0.30.0
[INFO] finished tweaking crates.io crate piston2d-graphics_tree 0.30.0
[INFO] tweaked toml for crates.io crate piston2d-graphics_tree 0.30.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate piston2d-graphics_tree 0.30.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 1d268094c2d155f74746b5efe300de451e90b2e56875a70a5c8c01365e5722a8
[INFO] running `Command { std: "docker" "start" "-a" "1d268094c2d155f74746b5efe300de451e90b2e56875a70a5c8c01365e5722a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d268094c2d155f74746b5efe300de451e90b2e56875a70a5c8c01365e5722a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d268094c2d155f74746b5efe300de451e90b2e56875a70a5c8c01365e5722a8", kill_on_drop: false }`
[INFO] [stdout] 1d268094c2d155f74746b5efe300de451e90b2e56875a70a5c8c01365e5722a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a674237861834e8656c7103713d9ae638eff2e8ede1e9cf638e5f487398beac
[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" "0a674237861834e8656c7103713d9ae638eff2e8ede1e9cf638e5f487398beac", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking piston2d-graphics v0.37.0
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]  Documenting piston2d-graphics_tree v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.03s
[INFO] running `Command { std: "docker" "inspect" "0a674237861834e8656c7103713d9ae638eff2e8ede1e9cf638e5f487398beac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a674237861834e8656c7103713d9ae638eff2e8ede1e9cf638e5f487398beac", kill_on_drop: false }`
[INFO] [stdout] 0a674237861834e8656c7103713d9ae638eff2e8ede1e9cf638e5f487398beac
