[INFO] fetching crate async-minecraft-ping 0.8.0...
[INFO] checking async-minecraft-ping-0.8.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate async-minecraft-ping 0.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate async-minecraft-ping 0.8.0 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 async-minecraft-ping 0.8.0
[INFO] finished tweaking crates.io crate async-minecraft-ping 0.8.0
[INFO] tweaked toml for crates.io crate async-minecraft-ping 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-minecraft-ping 0.8.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0fb45f496879df2b1a715c288af28445b3072656704468fe8861b94bf1c521b9
[INFO] running `Command { std: "docker" "start" "-a" "0fb45f496879df2b1a715c288af28445b3072656704468fe8861b94bf1c521b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fb45f496879df2b1a715c288af28445b3072656704468fe8861b94bf1c521b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb45f496879df2b1a715c288af28445b3072656704468fe8861b94bf1c521b9", kill_on_drop: false }`
[INFO] [stdout] 0fb45f496879df2b1a715c288af28445b3072656704468fe8861b94bf1c521b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 78d7cb10f9df8198a1a169b4cbb93c9864f94779ede9488b0cdd8f3632fd7495
[INFO] running `Command { std: "docker" "start" "-a" "78d7cb10f9df8198a1a169b4cbb93c9864f94779ede9488b0cdd8f3632fd7495", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.35
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking async-minecraft-ping v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `packet_id` is never read
[INFO] [stdout]    --> src/protocol.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub struct ResponsePacket {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 351 |     pub packet_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_id` is never read
[INFO] [stdout]    --> src/protocol.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub struct PongPacket {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 404 |     pub packet_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol_version`, `address`, and `port` are never read
[INFO] [stdout]    --> src/server.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct PingConnection {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 224 |     stream: TcpStream,
[INFO] [stdout] 225 |     protocol_version: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 226 |     address: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 227 |     port: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_id` is never read
[INFO] [stdout]    --> src/protocol.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub struct ResponsePacket {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 351 |     pub packet_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_id` is never read
[INFO] [stdout]    --> src/protocol.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub struct PongPacket {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 404 |     pub packet_id: usize,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol_version`, `address`, and `port` are never read
[INFO] [stdout]    --> src/server.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct PingConnection {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 224 |     stream: TcpStream,
[INFO] [stdout] 225 |     protocol_version: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 226 |     address: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 227 |     port: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.97s
[INFO] running `Command { std: "docker" "inspect" "78d7cb10f9df8198a1a169b4cbb93c9864f94779ede9488b0cdd8f3632fd7495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d7cb10f9df8198a1a169b4cbb93c9864f94779ede9488b0cdd8f3632fd7495", kill_on_drop: false }`
[INFO] [stdout] 78d7cb10f9df8198a1a169b4cbb93c9864f94779ede9488b0cdd8f3632fd7495