[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#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurano%2Fsimple-rust-websocket-server" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Murano/simple-rust-websocket-server on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded http-muncher v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f500b0d691eba6c6aba89e67ca69d1bbb0ab58c2419201fe69723b3ab407f3e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0f500b0d691eba6c6aba89e67ca69d1bbb0ab58c2419201fe69723b3ab407f3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f500b0d691eba6c6aba89e67ca69d1bbb0ab58c2419201fe69723b3ab407f3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f500b0d691eba6c6aba89e67ca69d1bbb0ab58c2419201fe69723b3ab407f3e", kill_on_drop: false }` [INFO] [stdout] 0f500b0d691eba6c6aba89e67ca69d1bbb0ab58c2419201fe69723b3ab407f3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac9fc44c3edcca88798da562da4aa70111ce8be00fff2d7ecc889cc60a4109b8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ac9fc44c3edcca88798da562da4aa70111ce8be00fff2d7ecc889cc60a4109b8", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking slab v0.3.0 [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: `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 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 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 5.95s [INFO] running `Command { std: "docker" "inspect" "ac9fc44c3edcca88798da562da4aa70111ce8be00fff2d7ecc889cc60a4109b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac9fc44c3edcca88798da562da4aa70111ce8be00fff2d7ecc889cc60a4109b8", kill_on_drop: false }` [INFO] [stdout] ac9fc44c3edcca88798da562da4aa70111ce8be00fff2d7ecc889cc60a4109b8