[INFO] cloning repository https://github.com/Murano/simple-rust-websocket-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Murano/simple-rust-websocket-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurano%2Fsimple-rust-websocket-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurano%2Fsimple-rust-websocket-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10bc1d52e0c2866ab33303182f8e97786879eb3e [INFO] checking Murano/simple-rust-websocket-server against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurano%2Fsimple-rust-websocket-server" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Murano/simple-rust-websocket-server on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Murano/simple-rust-websocket-server [INFO] finished tweaking git repo https://github.com/Murano/simple-rust-websocket-server [INFO] tweaked toml for git repo https://github.com/Murano/simple-rust-websocket-server written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Murano/simple-rust-websocket-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio v0.6.4 [INFO] [stderr] Downloaded miow v0.2.0 [INFO] [stderr] Downloaded http-muncher v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8fda7749b2227f3a11e1d3970fb1ee285e4581df211704bf7e691f9326c46e8 [INFO] running `Command { std: "docker" "start" "-a" "d8fda7749b2227f3a11e1d3970fb1ee285e4581df211704bf7e691f9326c46e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8fda7749b2227f3a11e1d3970fb1ee285e4581df211704bf7e691f9326c46e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8fda7749b2227f3a11e1d3970fb1ee285e4581df211704bf7e691f9326c46e8", kill_on_drop: false }` [INFO] [stdout] d8fda7749b2227f3a11e1d3970fb1ee285e4581df211704bf7e691f9326c46e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf582de104f9a5a263bd2cf56ab33e70257b3bbed440128263473fafe1176dfd [INFO] running `Command { std: "docker" "start" "-a" "bf582de104f9a5a263bd2cf56ab33e70257b3bbed440128263473fafe1176dfd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking net2 v0.2.26 [INFO] [stderr] Checking mio v0.6.4 [INFO] [stderr] Compiling http-muncher v0.3.1 [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Handler` [INFO] [stdout] --> src/main.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use mio::deprecated::{EventLoop, Handler}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `websocket_client::*` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use websocket_client::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Handler` [INFO] [stdout] --> src/main.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use mio::deprecated::{EventLoop, Handler}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `websocket_client::*` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use websocket_client::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/websocket_server.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `events` [INFO] [stdout] --> src/websocket_server.rs:22:28 [INFO] [stdout] | [INFO] [stdout] 22 | token: Token, events: Ready) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/websocket_server.rs:45:21 [INFO] [stdout] | [INFO] [stdout] 45 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/websocket_server.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `events` [INFO] [stdout] --> src/websocket_server.rs:22:28 [INFO] [stdout] | [INFO] [stdout] 22 | token: Token, events: Ready) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/websocket_server.rs:45:21 [INFO] [stdout] | [INFO] [stdout] 45 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.34s [INFO] running `Command { std: "docker" "inspect" "bf582de104f9a5a263bd2cf56ab33e70257b3bbed440128263473fafe1176dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf582de104f9a5a263bd2cf56ab33e70257b3bbed440128263473fafe1176dfd", kill_on_drop: false }` [INFO] [stdout] bf582de104f9a5a263bd2cf56ab33e70257b3bbed440128263473fafe1176dfd