[INFO] fetching crate nanocurrency-peering 0.6.0...
[INFO] documenting nanocurrency-peering-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nanocurrency-peering 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nanocurrency-peering 0.6.0 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 nanocurrency-peering 0.6.0
[INFO] finished tweaking crates.io crate nanocurrency-peering 0.6.0
[INFO] tweaked toml for crates.io crate nanocurrency-peering 0.6.0 written to /workspace/builds/worker-1/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 nanocurrency-protocol v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 207a6d4ae043f54968064dd23375488ce8fd8afb795d6db35eb44b444aba7969
[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" "207a6d4ae043f54968064dd23375488ce8fd8afb795d6db35eb44b444aba7969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "207a6d4ae043f54968064dd23375488ce8fd8afb795d6db35eb44b444aba7969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207a6d4ae043f54968064dd23375488ce8fd8afb795d6db35eb44b444aba7969", kill_on_drop: false }`
[INFO] [stdout] 207a6d4ae043f54968064dd23375488ce8fd8afb795d6db35eb44b444aba7969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 300d52a83c7c9980ad20072d3e52b3e2e8c332e6292c8d5217e07b06e004f81b
[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" "300d52a83c7c9980ad20072d3e52b3e2e8c332e6292c8d5217e07b06e004f81b", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking ed25519-dalek v0.9.1
[INFO] [stderr]     Checking nanocurrency-types v0.3.19
[INFO] [stderr]     Checking nanocurrency-protocol v0.5.1
[INFO] [stderr]  Documenting nanocurrency-peering v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/udp_framed.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn poll(&mut self) -> Poll<Option<(Self::Item)>, Self::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "300d52a83c7c9980ad20072d3e52b3e2e8c332e6292c8d5217e07b06e004f81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300d52a83c7c9980ad20072d3e52b3e2e8c332e6292c8d5217e07b06e004f81b", kill_on_drop: false }`
[INFO] [stdout] 300d52a83c7c9980ad20072d3e52b3e2e8c332e6292c8d5217e07b06e004f81b