[INFO] fetching crate btc-cli 0.1.1...
[INFO] documenting btc-cli-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate btc-cli 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate btc-cli 0.1.1 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 btc-cli 0.1.1
[INFO] finished tweaking crates.io crate btc-cli 0.1.1
[INFO] tweaked toml for crates.io crate btc-cli 0.1.1 written to /workspace/builds/worker-7/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 bech32 v0.6.0
[INFO] [stderr]   Downloaded strason v0.4.0
[INFO] [stderr]   Downloaded bitcoin-amount v0.1.4
[INFO] [stderr]   Downloaded bitcoin v0.18.2
[INFO] [stderr]   Downloaded rpassword v0.0.4
[INFO] [stderr]   Downloaded bitcoin-bech32 v0.9.0
[INFO] [stderr]   Downloaded bitcoincore-rpc v0.6.0
[INFO] [stderr]   Downloaded bitcoincore-rpc-json v0.6.0
[INFO] [stderr]   Downloaded termios v0.0.5
[INFO] [stderr]   Downloaded bitcoin_hashes v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ea01ab1314fea028798547270931548d8a6aee053c942553de9ed69f2e93e7de
[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" "ea01ab1314fea028798547270931548d8a6aee053c942553de9ed69f2e93e7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea01ab1314fea028798547270931548d8a6aee053c942553de9ed69f2e93e7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea01ab1314fea028798547270931548d8a6aee053c942553de9ed69f2e93e7de", kill_on_drop: false }`
[INFO] [stdout] ea01ab1314fea028798547270931548d8a6aee053c942553de9ed69f2e93e7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 23149f15aa409f0e0ecb13ed38866e4c406cba226e842ea98494d980f9e7806d
[INFO] running `Command { std: "docker" "start" "-a" "23149f15aa409f0e0ecb13ed38866e4c406cba226e842ea98494d980f9e7806d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking strason v0.4.0
[INFO] [stderr]     Checking serde_test v1.0.115
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]     Checking bitcoin-amount v0.1.4
[INFO] [stderr]     Checking termios v0.0.5
[INFO] [stderr]     Checking bitcoin-bech32 v0.9.0
[INFO] [stderr]     Checking rpassword v0.0.4
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking jsonrpc v0.11.0
[INFO] [stderr]     Checking bitcoin v0.18.2
[INFO] [stderr]     Checking bitcoincore-rpc-json v0.6.0
[INFO] [stderr]     Checking bitcoincore-rpc v0.6.0
[INFO] [stderr]  Documenting btc-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:136:109
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let mut stream = TcpStream::connect(node_end_point).expect("Couldn't connect to the server...");;
[INFO] [stdout]     |                                                                                                             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 28.72s
[INFO] running `Command { std: "docker" "inspect" "23149f15aa409f0e0ecb13ed38866e4c406cba226e842ea98494d980f9e7806d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23149f15aa409f0e0ecb13ed38866e4c406cba226e842ea98494d980f9e7806d", kill_on_drop: false }`
[INFO] [stdout] 23149f15aa409f0e0ecb13ed38866e4c406cba226e842ea98494d980f9e7806d