[INFO] cloning repository https://github.com/samuelkuz/signal_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelkuz/signal_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelkuz%2Fsignal_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelkuz%2Fsignal_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d556e6b753621ac407dbde06eaa4bc9325e4886a [INFO] checking samuelkuz/signal_server against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelkuz%2Fsignal_server" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/samuelkuz/signal_server on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/samuelkuz/signal_server [INFO] finished tweaking git repo https://github.com/samuelkuz/signal_server [INFO] tweaked toml for git repo https://github.com/samuelkuz/signal_server written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/samuelkuz/signal_server 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8727790112b2ce59f3548e1ce671ad74a3ae52c539921819c9e2d1c388fbf84d [INFO] running `Command { std: "docker" "start" "-a" "8727790112b2ce59f3548e1ce671ad74a3ae52c539921819c9e2d1c388fbf84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8727790112b2ce59f3548e1ce671ad74a3ae52c539921819c9e2d1c388fbf84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8727790112b2ce59f3548e1ce671ad74a3ae52c539921819c9e2d1c388fbf84d", kill_on_drop: false }` [INFO] [stdout] 8727790112b2ce59f3548e1ce671ad74a3ae52c539921819c9e2d1c388fbf84d [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6aa1a02922eae0359f7c8ea7095885081a7817e86fdd8db4f06a851f9480b9ee [INFO] running `Command { std: "docker" "start" "-a" "6aa1a02922eae0359f7c8ea7095885081a7817e86fdd8db4f06a851f9480b9ee", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Checking cpufeatures v0.2.8 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking sha1 v0.10.5 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling serde_json v1.0.97 [INFO] [stderr] Checking data-encoding v2.4.0 [INFO] [stderr] Checking futures-util v0.3.28 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking object v0.30.4 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking addr2line v0.19.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tungstenite v0.19.0 [INFO] [stderr] Checking tokio-tungstenite v0.19.0 [INFO] [stderr] Checking signaling_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | caller_ws.send(Message::text(answer_response_json)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = caller_ws.send(Message::text(answer_response_json)).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | caller_ws.send(Message::text(answer_response_json)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 128 | let _ = caller_ws.send(Message::text(answer_response_json)).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:140:25 [INFO] [stdout] | [INFO] [stdout] 140 | peer_ws.send(Message::text(ice_response_json)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = peer_ws.send(Message::text(ice_response_json)).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:140:25 [INFO] [stdout] | [INFO] [stdout] 140 | peer_ws.send(Message::text(ice_response_json)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = peer_ws.send(Message::text(ice_response_json)).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | handle_message(Arc::clone(&signal_state), text, Arc::clone(&outgoing)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = handle_message(Arc::clone(&signal_state), text, Arc::clone(&outgoing)).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | handle_message(Arc::clone(&signal_state), text, Arc::clone(&outgoing)).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = handle_message(Arc::clone(&signal_state), text, Arc::clone(&outgoing)).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.90s [INFO] running `Command { std: "docker" "inspect" "6aa1a02922eae0359f7c8ea7095885081a7817e86fdd8db4f06a851f9480b9ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aa1a02922eae0359f7c8ea7095885081a7817e86fdd8db4f06a851f9480b9ee", kill_on_drop: false }` [INFO] [stdout] 6aa1a02922eae0359f7c8ea7095885081a7817e86fdd8db4f06a851f9480b9ee