[INFO] fetching crate executor-agnostic 0.0.0...
[INFO] documenting executor-agnostic-0.0.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate executor-agnostic 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate executor-agnostic 0.0.0 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 executor-agnostic 0.0.0
[INFO] finished tweaking crates.io crate executor-agnostic 0.0.0
[INFO] tweaked toml for crates.io crate executor-agnostic 0.0.0 written to /workspace/builds/worker-3/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] 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b489315a1cbf2578f2e09ef5f6689b8141e49513e27141ff409b3eacba278424
[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" "b489315a1cbf2578f2e09ef5f6689b8141e49513e27141ff409b3eacba278424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b489315a1cbf2578f2e09ef5f6689b8141e49513e27141ff409b3eacba278424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b489315a1cbf2578f2e09ef5f6689b8141e49513e27141ff409b3eacba278424", kill_on_drop: false }`
[INFO] [stdout] b489315a1cbf2578f2e09ef5f6689b8141e49513e27141ff409b3eacba278424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 300e072e046b28e08132a0aa0f8796ab59c12799c14e5f09b3b4a860f1d66c95
[INFO] running `Command { std: "docker" "start" "-a" "300e072e046b28e08132a0aa0f8796ab59c12799c14e5f09b3b4a860f1d66c95", kill_on_drop: false }`
[INFO] [stderr]  Documenting executor-agnostic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "300e072e046b28e08132a0aa0f8796ab59c12799c14e5f09b3b4a860f1d66c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300e072e046b28e08132a0aa0f8796ab59c12799c14e5f09b3b4a860f1d66c95", kill_on_drop: false }`
[INFO] [stdout] 300e072e046b28e08132a0aa0f8796ab59c12799c14e5f09b3b4a860f1d66c95