[INFO] cloning repository https://github.com/rustscr1pt/websocket-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustscr1pt/websocket-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustscr1pt%2Fwebsocket-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustscr1pt%2Fwebsocket-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 126aa9a1f83f9160df04498397bfcd1fbd67b546
[INFO] checking rustscr1pt/websocket-rust-example against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustscr1pt%2Fwebsocket-rust-example" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rustscr1pt/websocket-rust-example
[INFO] finished tweaking git repo https://github.com/rustscr1pt/websocket-rust-example
[INFO] tweaked toml for git repo https://github.com/rustscr1pt/websocket-rust-example written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustscr1pt/websocket-rust-example on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rustscr1pt/websocket-rust-example 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d032e55f113de97e565cb9740cd05d89a3c863f80aeaf15392bcb8cb90346e60
[INFO] running `Command { std: "docker" "start" "-a" "d032e55f113de97e565cb9740cd05d89a3c863f80aeaf15392bcb8cb90346e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d032e55f113de97e565cb9740cd05d89a3c863f80aeaf15392bcb8cb90346e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d032e55f113de97e565cb9740cd05d89a3c863f80aeaf15392bcb8cb90346e60", kill_on_drop: false }`
[INFO] [stdout] d032e55f113de97e565cb9740cd05d89a3c863f80aeaf15392bcb8cb90346e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267ea4115b41cc4f9dc35e055e79108280c5ba5d72bfbb1d1bc08c416609cbcb
[INFO] running `Command { std: "docker" "start" "-a" "267ea4115b41cc4f9dc35e055e79108280c5ba5d72bfbb1d1bc08c416609cbcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling autocfg v1.4.0
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[INFO] [stderr]    Compiling tokio-macros v2.4.0
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[INFO] [stderr]     Checking tokio-tungstenite v0.24.0
[INFO] [stderr]     Checking websocket-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `WebSocketStream`
[INFO] [stdout]  --> src/main.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_tungstenite::{accept_async, WebSocketStream};  // Import `accept_async` to upgrade TCP to WebSocket, and `WebSocketStream` for ...
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio_tungstenite::tungstenite::{Error, Message};  // Import `Error` for WebSocket error handling and `Message` for WebSocket messages
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WebSocketStream`
[INFO] [stdout]  --> src/main.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_tungstenite::{accept_async, WebSocketStream};  // Import `accept_async` to upgrade TCP to WebSocket, and `WebSocketStream` for ...
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio_tungstenite::tungstenite::{Error, Message};  // Import `Error` for WebSocket error handling and `Message` for WebSocket messages
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.94s
[INFO] running `Command { std: "docker" "inspect" "267ea4115b41cc4f9dc35e055e79108280c5ba5d72bfbb1d1bc08c416609cbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267ea4115b41cc4f9dc35e055e79108280c5ba5d72bfbb1d1bc08c416609cbcb", kill_on_drop: false }`
[INFO] [stdout] 267ea4115b41cc4f9dc35e055e79108280c5ba5d72bfbb1d1bc08c416609cbcb
