[INFO] fetching crate proof 0.0.0...
[INFO] documenting proof-0.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate proof 0.0.0 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 proof 0.0.0
[INFO] finished tweaking crates.io crate proof 0.0.0
[INFO] tweaked toml for crates.io crate proof 0.0.0 written to /workspace/builds/worker-12/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]  Downloading crates ...
[INFO] [stderr]   Downloaded impl-codec v0.2.0
[INFO] [stderr]   Downloaded ethbloom v0.6.4
[INFO] [stderr]   Downloaded uint v0.7.1
[INFO] [stderr]   Downloaded ethereum-types v0.6.0
[INFO] [stderr]   Downloaded parity-codec v3.5.4
[INFO] [stderr]   Downloaded eth2_ssz_derive v0.1.0
[INFO] [stderr]   Downloaded ethereum-types v0.5.2
[INFO] [stderr]   Downloaded eth2_ssz v0.1.2
[INFO] [stderr]   Downloaded primitive-types v0.3.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84cfc379c313a4a0c635bbff917802db81ea56a8918c1710d0561cf9cce683d7
[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" "84cfc379c313a4a0c635bbff917802db81ea56a8918c1710d0561cf9cce683d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84cfc379c313a4a0c635bbff917802db81ea56a8918c1710d0561cf9cce683d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cfc379c313a4a0c635bbff917802db81ea56a8918c1710d0561cf9cce683d7", kill_on_drop: false }`
[INFO] [stdout] 84cfc379c313a4a0c635bbff917802db81ea56a8918c1710d0561cf9cce683d7
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff0c0e69e67ee867af4a28a6845e57cef3c80c4812758d35b3e6fa9c22e5f1c
[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" "fff0c0e69e67ee867af4a28a6845e57cef3c80c4812758d35b3e6fa9c22e5f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling eth2_ssz_derive v0.1.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking primitive-types v0.3.0
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking ethereum-types v0.6.0
[INFO] [stderr]     Checking eth2_ssz v0.1.2
[INFO] [stderr]  Documenting proof v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "fff0c0e69e67ee867af4a28a6845e57cef3c80c4812758d35b3e6fa9c22e5f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff0c0e69e67ee867af4a28a6845e57cef3c80c4812758d35b3e6fa9c22e5f1c", kill_on_drop: false }`
[INFO] [stdout] fff0c0e69e67ee867af4a28a6845e57cef3c80c4812758d35b3e6fa9c22e5f1c