[INFO] fetching crate splits-io-api 0.1.2...
[INFO] documenting splits-io-api-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate splits-io-api 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate splits-io-api 0.1.2 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 splits-io-api 0.1.2
[INFO] finished tweaking crates.io crate splits-io-api 0.1.2
[INFO] tweaked toml for crates.io crate splits-io-api 0.1.2 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-rustls v0.19.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.1.0
[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" "+beta-2020-08-29" "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] 8ae6cd3f322eae7d505a9a0aeccaf0db314257ac919cd0088b3b1ab2fa6ae0ee
[INFO] running `Command { std: "docker" "start" "-a" "8ae6cd3f322eae7d505a9a0aeccaf0db314257ac919cd0088b3b1ab2fa6ae0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae6cd3f322eae7d505a9a0aeccaf0db314257ac919cd0088b3b1ab2fa6ae0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae6cd3f322eae7d505a9a0aeccaf0db314257ac919cd0088b3b1ab2fa6ae0ee", kill_on_drop: false }`
[INFO] [stdout] 8ae6cd3f322eae7d505a9a0aeccaf0db314257ac919cd0088b3b1ab2fa6ae0ee
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d41fe681a0b1ab4fdda0bd12ebb68e1b385e2e70be392bb726b65a587265124
[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" "2d41fe681a0b1ab4fdda0bd12ebb68e1b385e2e70be392bb726b65a587265124", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking rustls-native-certs v0.1.0
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.12.3
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-rustls v0.19.1
[INFO] [stderr]  Documenting splits-io-api v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.83s
[INFO] running `Command { std: "docker" "inspect" "2d41fe681a0b1ab4fdda0bd12ebb68e1b385e2e70be392bb726b65a587265124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d41fe681a0b1ab4fdda0bd12ebb68e1b385e2e70be392bb726b65a587265124", kill_on_drop: false }`
[INFO] [stdout] 2d41fe681a0b1ab4fdda0bd12ebb68e1b385e2e70be392bb726b65a587265124