[INFO] cloning repository https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Frando/hypercore-protocol-rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3186877a888c75fc99cee69588cc313fda9f5db5
[INFO] documenting Frando/hypercore-protocol-rust-experiments 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%2FFrando%2Fhypercore-protocol-rust-experiments" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Frando/hypercore-protocol-rust-experiments 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/Frando/hypercore-protocol-rust-experiments
[INFO] finished tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] tweaked toml for git repo https://github.com/Frando/hypercore-protocol-rust-experiments written to /workspace/builds/worker-9/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] [stderr]     Updating git repository `https://github.com/datrs/hypercore`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded sleep-parser v0.8.0
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded async-mutex v1.2.0
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[INFO] [stderr]   Downloaded polling v0.1.8
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded event-listener v2.4.0
[INFO] [stderr]   Downloaded async-channel v1.4.1
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded mkdirp v1.0.0
[INFO] [stderr]   Downloaded chacha20 v0.4.3
[INFO] [stderr]   Downloaded blake2 v0.9.0
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] [stderr]   Downloaded tree-index v0.6.1
[INFO] [stderr]   Downloaded memory-pager v0.9.0
[INFO] [stderr]   Downloaded flat-tree v5.0.0
[INFO] [stderr]   Downloaded bitfield-rle v0.2.0
[INFO] [stderr]   Downloaded duplexify v1.1.0
[INFO] [stderr]   Downloaded random-access-disk v2.0.0
[INFO] [stderr]   Downloaded merkle-tree-stream v0.12.1
[INFO] [stderr]   Downloaded random-access-memory v2.0.0
[INFO] [stderr]   Downloaded pretty-hash v0.4.1
[INFO] [stderr]   Downloaded sparse-bitfield v0.11.0
[INFO] [stderr]   Downloaded random-access-storage v4.0.0
[INFO] [stderr]   Downloaded salsa20 v0.4.1
[INFO] [stderr]   Downloaded chacha20poly1305 v0.5.1
[INFO] [stderr]   Downloaded varinteger v1.0.6
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded snow v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 57d0dd5c4c83c2b827a050ee92db997d20c6d77c9d88d7126536a4a6a084053e
[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" "57d0dd5c4c83c2b827a050ee92db997d20c6d77c9d88d7126536a4a6a084053e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d0dd5c4c83c2b827a050ee92db997d20c6d77c9d88d7126536a4a6a084053e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d0dd5c4c83c2b827a050ee92db997d20c6d77c9d88d7126536a4a6a084053e", kill_on_drop: false }`
[INFO] [stdout] 57d0dd5c4c83c2b827a050ee92db997d20c6d77c9d88d7126536a4a6a084053e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f3ef10ec5268a6ee537fbaad3a07e4cffdf8e42947dd895ccd11f9a59d41211
[INFO] running `Command { std: "docker" "start" "-a" "0f3ef10ec5268a6ee537fbaad3a07e4cffdf8e42947dd895ccd11f9a59d41211", kill_on_drop: false }`
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking varinteger v1.0.6
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking pretty-hash v0.4.1
[INFO] [stderr]     Checking salsa20 v0.4.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling hypercore-protocol v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hypercore-protocol v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.77s
[INFO] running `Command { std: "docker" "inspect" "0f3ef10ec5268a6ee537fbaad3a07e4cffdf8e42947dd895ccd11f9a59d41211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3ef10ec5268a6ee537fbaad3a07e4cffdf8e42947dd895ccd11f9a59d41211", kill_on_drop: false }`
[INFO] [stdout] 0f3ef10ec5268a6ee537fbaad3a07e4cffdf8e42947dd895ccd11f9a59d41211