[INFO] fetching crate runny 1.2.5...
[INFO] documenting runny-1.2.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate runny 1.2.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate runny 1.2.5 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runny 1.2.5
[INFO] finished tweaking crates.io crate runny 1.2.5
[INFO] tweaked toml for crates.io crate runny 1.2.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca02ea38fff5fea539132508cc68f1e29a67fc7eceb6cd04666f071a4988c21
[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" "7ca02ea38fff5fea539132508cc68f1e29a67fc7eceb6cd04666f071a4988c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca02ea38fff5fea539132508cc68f1e29a67fc7eceb6cd04666f071a4988c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca02ea38fff5fea539132508cc68f1e29a67fc7eceb6cd04666f071a4988c21", kill_on_drop: false }`
[INFO] [stdout] 7ca02ea38fff5fea539132508cc68f1e29a67fc7eceb6cd04666f071a4988c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2d104bc3a1f7f42e1edb97dcfc0d44c4812ad75fd46f1c8f8af3f2edad0301
[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" "be2d104bc3a1f7f42e1edb97dcfc0d44c4812ad75fd46f1c8f8af3f2edad0301", kill_on_drop: false }`
[INFO] [stderr]    Compiling user32-sys v0.2.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]  Documenting runny v1.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "be2d104bc3a1f7f42e1edb97dcfc0d44c4812ad75fd46f1c8f8af3f2edad0301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2d104bc3a1f7f42e1edb97dcfc0d44c4812ad75fd46f1c8f8af3f2edad0301", kill_on_drop: false }`
[INFO] [stdout] be2d104bc3a1f7f42e1edb97dcfc0d44c4812ad75fd46f1c8f8af3f2edad0301