[INFO] cloning repository https://github.com/paultechh/backend-for-chat-app-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paultechh/backend-for-chat-app-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaultechh%2Fbackend-for-chat-app-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaultechh%2Fbackend-for-chat-app-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b32303ffd43bc0ec9c90eb801cff84e0c5ecf8a
[INFO] checking paultechh/backend-for-chat-app-rust against master#fe7294f8793d001bc3f9d197e7cdef6cdb46c15a for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaultechh%2Fbackend-for-chat-app-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/paultechh/backend-for-chat-app-rust
[INFO] finished tweaking git repo https://github.com/paultechh/backend-for-chat-app-rust
[INFO] tweaked toml for git repo https://github.com/paultechh/backend-for-chat-app-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paultechh/backend-for-chat-app-rust on toolchain fe7294f8793d001bc3f9d197e7cdef6cdb46c15a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paultechh/backend-for-chat-app-rust 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" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76e1d532008741c81faa2d0249fdfc93f27f0d92f3dae5866d364d7a40343ad
[INFO] running `Command { std: "docker" "start" "-a" "f76e1d532008741c81faa2d0249fdfc93f27f0d92f3dae5866d364d7a40343ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76e1d532008741c81faa2d0249fdfc93f27f0d92f3dae5866d364d7a40343ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76e1d532008741c81faa2d0249fdfc93f27f0d92f3dae5866d364d7a40343ad", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd8a53d8e9a4da1a904e07cd182018fe957277ee755e980c261663087f1216d
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[INFO] [stdout] warning: method `broadcast` is never used
[INFO] [stdout]   --> src/ws.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl SessionManager {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn broadcast(&self, room_id: &Uuid, message: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `broadcast` is never used
[INFO] [stdout]   --> src/ws.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl SessionManager {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn broadcast(&self, room_id: &Uuid, message: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.24.0, sqlx-postgres v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "fdd8a53d8e9a4da1a904e07cd182018fe957277ee755e980c261663087f1216d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd8a53d8e9a4da1a904e07cd182018fe957277ee755e980c261663087f1216d", kill_on_drop: false }`
[INFO] [stdout] fdd8a53d8e9a4da1a904e07cd182018fe957277ee755e980c261663087f1216d