[INFO] cloning repository https://github.com/tommyjk/rs-umbral
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommyjk/rs-umbral" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Frs-umbral", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Frs-umbral'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e9f1954b67efe87bae484e7263ba8b876563e4c
[INFO] documenting tommyjk/rs-umbral against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Frs-umbral" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tommyjk/rs-umbral 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 git repo https://github.com/tommyjk/rs-umbral
[INFO] finished tweaking git repo https://github.com/tommyjk/rs-umbral
[INFO] tweaked toml for git repo https://github.com/tommyjk/rs-umbral written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tommyjk/rs-umbral already has a lockfile, it will not be regenerated
[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 blake2 v0.8.1
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9da82468aa52f91366609e1b27065e5be4cd8ca9ba2eaa538fa580ec414b3b01
[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" "9da82468aa52f91366609e1b27065e5be4cd8ca9ba2eaa538fa580ec414b3b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da82468aa52f91366609e1b27065e5be4cd8ca9ba2eaa538fa580ec414b3b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da82468aa52f91366609e1b27065e5be4cd8ca9ba2eaa538fa580ec414b3b01", kill_on_drop: false }`
[INFO] [stdout] 9da82468aa52f91366609e1b27065e5be4cd8ca9ba2eaa538fa580ec414b3b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 92d207cc0f6662aa02315bffbaba001cf1f9f703c744470a8ab931c48f4db5dc
[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" "92d207cc0f6662aa02315bffbaba001cf1f9f703c744470a8ab931c48f4db5dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]  Documenting rs-umbral v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
[INFO] running `Command { std: "docker" "inspect" "92d207cc0f6662aa02315bffbaba001cf1f9f703c744470a8ab931c48f4db5dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d207cc0f6662aa02315bffbaba001cf1f9f703c744470a8ab931c48f4db5dc", kill_on_drop: false }`
[INFO] [stdout] 92d207cc0f6662aa02315bffbaba001cf1f9f703c744470a8ab931c48f4db5dc