[INFO] fetching crate goxoy-socket-server 0.1.2...
[INFO] checking goxoy-socket-server-0.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate goxoy-socket-server 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate goxoy-socket-server 0.1.2 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 crates.io crate goxoy-socket-server 0.1.2
[INFO] finished tweaking crates.io crate goxoy-socket-server 0.1.2
[INFO] tweaked toml for crates.io crate goxoy-socket-server 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding goxoy-address-parser v0.0.9 (latest: v0.0.10)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded goxoy-socket-client v0.1.9
[INFO] [stderr]   Downloaded goxoy-address-parser v0.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 33747f468f715afb7bc913f9252df765a36a1c65ab4ea358c497fdb2190ac461
[INFO] running `Command { std: "docker" "start" "-a" "33747f468f715afb7bc913f9252df765a36a1c65ab4ea358c497fdb2190ac461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33747f468f715afb7bc913f9252df765a36a1c65ab4ea358c497fdb2190ac461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33747f468f715afb7bc913f9252df765a36a1c65ab4ea358c497fdb2190ac461", kill_on_drop: false }`
[INFO] [stdout] 33747f468f715afb7bc913f9252df765a36a1c65ab4ea358c497fdb2190ac461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e45a7377696aab2408415ab1e73b652099b0e819113df69c8aa8707e5b9f691b
[INFO] running `Command { std: "docker" "start" "-a" "e45a7377696aab2408415ab1e73b652099b0e819113df69c8aa8707e5b9f691b", kill_on_drop: false }`
[INFO] [stderr]     Checking goxoy-address-parser v0.0.9
[INFO] [stderr]     Checking goxoy-socket-client v0.1.9
[INFO] [stderr]     Checking goxoy-socket-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/socket_server.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | /         loop {
[INFO] [stdout] 149 | |             if let Ok((mut socket, addr)) = server.accept() {
[INFO] [stdout] 150 | |                 if on_new_client_fn.is_some() {
[INFO] [stdout] 151 | |                     on_new_client_fn.unwrap()(
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |             thread::sleep(::std::time::Duration::from_millis(100));
[INFO] [stdout] 207 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 208 |           return true;
[INFO] [stdout]     |           ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/socket_server.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | /         loop {
[INFO] [stdout] 149 | |             if let Ok((mut socket, addr)) = server.accept() {
[INFO] [stdout] 150 | |                 if on_new_client_fn.is_some() {
[INFO] [stdout] 151 | |                     on_new_client_fn.unwrap()(
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |             thread::sleep(::std::time::Duration::from_millis(100));
[INFO] [stdout] 207 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 208 |           return true;
[INFO] [stdout]     |           ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_addr`
[INFO] [stdout]    --> src/socket_server.rs:111:27
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn send(&mut self,peer_addr:String, data: Vec<u8>)->bool{
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_addr`
[INFO] [stdout]    --> src/socket_server.rs:111:27
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn send(&mut self,peer_addr:String, data: Vec<u8>)->bool{
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/socket_server.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             self.tx.as_mut().unwrap().send(data);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let _ = self.tx.as_mut().unwrap().send(data);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/socket_server.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             self.tx.as_mut().unwrap().send(data);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let _ = self.tx.as_mut().unwrap().send(data);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "e45a7377696aab2408415ab1e73b652099b0e819113df69c8aa8707e5b9f691b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45a7377696aab2408415ab1e73b652099b0e819113df69c8aa8707e5b9f691b", kill_on_drop: false }`
[INFO] [stdout] e45a7377696aab2408415ab1e73b652099b0e819113df69c8aa8707e5b9f691b