[INFO] fetching crate slider 0.4.0...
[INFO] documenting slider-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate slider 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slider 0.4.0 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 crates.io crate slider 0.4.0
[INFO] finished tweaking crates.io crate slider 0.4.0
[INFO] tweaked toml for crates.io crate slider 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 41165bad77551a8dc621c7297287166f2d6baca8ed36eba6f97513be36d70cf1
[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" "41165bad77551a8dc621c7297287166f2d6baca8ed36eba6f97513be36d70cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41165bad77551a8dc621c7297287166f2d6baca8ed36eba6f97513be36d70cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41165bad77551a8dc621c7297287166f2d6baca8ed36eba6f97513be36d70cf1", kill_on_drop: false }`
[INFO] [stdout] 41165bad77551a8dc621c7297287166f2d6baca8ed36eba6f97513be36d70cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4449a0fcfacf11217d8048dc51e3f949ec04f49c5190c6d527638efb68e201f5
[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" "4449a0fcfacf11217d8048dc51e3f949ec04f49c5190c6d527638efb68e201f5", kill_on_drop: false }`
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking gfx_core v0.6.1
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking pistoncore-input v0.17.1
[INFO] [stderr]     Checking piston2d-graphics v0.21.1
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking pistoncore-window v0.26.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4
[INFO] [stderr]     Checking pistoncore-glutin_window v0.35.1
[INFO] [stderr]     Checking piston v0.31.4
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking gfx_device_gl v0.13.1
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]     Checking piston_window v0.64.0
[INFO] [stderr]  Documenting slider v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.67s
[INFO] running `Command { std: "docker" "inspect" "4449a0fcfacf11217d8048dc51e3f949ec04f49c5190c6d527638efb68e201f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4449a0fcfacf11217d8048dc51e3f949ec04f49c5190c6d527638efb68e201f5", kill_on_drop: false }`
[INFO] [stdout] 4449a0fcfacf11217d8048dc51e3f949ec04f49c5190c6d527638efb68e201f5