[INFO] fetching crate beaver 0.1.0...
[INFO] documenting beaver-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate beaver 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate beaver 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate beaver 0.1.0
[INFO] finished tweaking crates.io crate beaver 0.1.0
[INFO] tweaked toml for crates.io crate beaver 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate beaver 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60d261e5f4a311691d74cf622b0f63d118184aa2e4bef8b19c00cd0fb444cd90
[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" "60d261e5f4a311691d74cf622b0f63d118184aa2e4bef8b19c00cd0fb444cd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d261e5f4a311691d74cf622b0f63d118184aa2e4bef8b19c00cd0fb444cd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d261e5f4a311691d74cf622b0f63d118184aa2e4bef8b19c00cd0fb444cd90", kill_on_drop: false }`
[INFO] [stdout] 60d261e5f4a311691d74cf622b0f63d118184aa2e4bef8b19c00cd0fb444cd90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-10-09" "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] 426f8075f725fe510b9f9ddfaeda36a239093a2a1c6418c5d220da29a1b233c9
[INFO] running `Command { std: "docker" "start" "-a" "426f8075f725fe510b9f9ddfaeda36a239093a2a1c6418c5d220da29a1b233c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]  Documenting beaver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.66s
[INFO] running `Command { std: "docker" "inspect" "426f8075f725fe510b9f9ddfaeda36a239093a2a1c6418c5d220da29a1b233c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426f8075f725fe510b9f9ddfaeda36a239093a2a1c6418c5d220da29a1b233c9", kill_on_drop: false }`
[INFO] [stdout] 426f8075f725fe510b9f9ddfaeda36a239093a2a1c6418c5d220da29a1b233c9
