[INFO] updating cached repository https://github.com/BerzanXYZ/simple-blockchain-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86bf692ae179aada328f1d2a1a7870b7a6bdb471
[INFO] checking BerzanXYZ/simple-blockchain-client/86bf692ae179aada328f1d2a1a7870b7a6bdb471 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerzanXYZ%2Fsimple-blockchain-client" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BerzanXYZ/simple-blockchain-client on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BerzanXYZ/simple-blockchain-client
[INFO] finished tweaking git repo https://github.com/BerzanXYZ/simple-blockchain-client
[INFO] tweaked toml for git repo https://github.com/BerzanXYZ/simple-blockchain-client written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BerzanXYZ/simple-blockchain-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b64c49b92ba0ba40a0ed6e0f41717d940156eb83262dda2ba524e3f1293730b
[INFO] running `Command { std: "docker" "start" "-a" "4b64c49b92ba0ba40a0ed6e0f41717d940156eb83262dda2ba524e3f1293730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b64c49b92ba0ba40a0ed6e0f41717d940156eb83262dda2ba524e3f1293730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b64c49b92ba0ba40a0ed6e0f41717d940156eb83262dda2ba524e3f1293730b", kill_on_drop: false }`
[INFO] [stdout] 4b64c49b92ba0ba40a0ed6e0f41717d940156eb83262dda2ba524e3f1293730b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 440d82f44873e1c19d1bde1757b0355ee93f7ed8d69fd211821971eee5846104
[INFO] running `Command { std: "docker" "start" "-a" "440d82f44873e1c19d1bde1757b0355ee93f7ed8d69fd211821971eee5846104", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-blockchain-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::BufRead`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::BufRead,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io::BufRead`, `sleep`, `spawn`, and `time::Duration`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::BufRead,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     net::{SocketAddr, UdpSocket},
[INFO] [stdout] 4 |     thread::{sleep, spawn},
[INFO] [stdout]   |              ^^^^^  ^^^^^
[INFO] [stdout] 5 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]   --> src/client.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Client {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `join_consensus`, `recv_msg`, `send_msg`, and `start` are never used
[INFO] [stdout]   --> src/client.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Client {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Result<Client, ()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn join_consensus(&mut self, client_addr: SocketAddr) -> Result<(), ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn recv_msg(&self, buf: &mut [u8]) -> Result<(Message, SocketAddr), ()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn send_msg(&self, msg: &Message, to: SocketAddr) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn start(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "440d82f44873e1c19d1bde1757b0355ee93f7ed8d69fd211821971eee5846104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440d82f44873e1c19d1bde1757b0355ee93f7ed8d69fd211821971eee5846104", kill_on_drop: false }`
[INFO] [stdout] 440d82f44873e1c19d1bde1757b0355ee93f7ed8d69fd211821971eee5846104