[INFO] cloning repository https://github.com/tthogho1/wasm-websocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tthogho1/wasm-websocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftthogho1%2Fwasm-websocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftthogho1%2Fwasm-websocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fe4d979f074112dd83d9bb2162104bbf232982e
[INFO] checking tthogho1/wasm-websocket against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftthogho1%2Fwasm-websocket" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tthogho1/wasm-websocket
[INFO] finished tweaking git repo https://github.com/tthogho1/wasm-websocket
[INFO] tweaked toml for git repo https://github.com/tthogho1/wasm-websocket written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tthogho1/wasm-websocket on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tthogho1/wasm-websocket 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be51541c9eda209cab6e5f060cce6c08d48a3208be408b18d1f607e200096d8
[INFO] running `Command { std: "docker" "start" "-a" "8be51541c9eda209cab6e5f060cce6c08d48a3208be408b18d1f607e200096d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be51541c9eda209cab6e5f060cce6c08d48a3208be408b18d1f607e200096d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be51541c9eda209cab6e5f060cce6c08d48a3208be408b18d1f607e200096d8", kill_on_drop: false }`
[INFO] [stdout] 8be51541c9eda209cab6e5f060cce6c08d48a3208be408b18d1f607e200096d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8a235f21cc122933e86a9bc2dfdf2494ac11b7c3a84f3df197d90da778d398
[INFO] running `Command { std: "docker" "start" "-a" "0b8a235f21cc122933e86a9bc2dfdf2494ac11b7c3a84f3df197d90da778d398", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking wasm-bindgen v0.2.100
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.50
[INFO] [stderr]     Checking web-sys v0.3.77
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking wasm-websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Document` and `Window`
[INFO] [stdout]  --> src/webrtc_peer_connection.rs:2:183
[INFO] [stdout]   |
[INFO] [stdout] 2 | ..., HtmlVideoElement, MediaStream, MediaStreamConstraints, Document, Window, RtcTrackEvent};
[INFO] [stdout]   |                                                             ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Document` and `Window`
[INFO] [stdout]  --> src/webrtc_peer_connection.rs:2:183
[INFO] [stdout]   |
[INFO] [stdout] 2 | ..., HtmlVideoElement, MediaStream, MediaStreamConstraints, Document, Window, RtcTrackEvent};
[INFO] [stdout]   |                                                             ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::MediaStreamConstraints::video`: Use `set_video()` instead.
[INFO] [stdout]    --> src/webrtc_peer_connection.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |     constraints.video(&JsValue::TRUE);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::MediaStreamConstraints::audio`: Use `set_audio()` instead.
[INFO] [stdout]    --> src/webrtc_peer_connection.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     constraints.audio(&JsValue::FALSE);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::MediaStreamConstraints::video`: Use `set_video()` instead.
[INFO] [stdout]    --> src/webrtc_peer_connection.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |     constraints.video(&JsValue::TRUE);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::MediaStreamConstraints::audio`: Use `set_audio()` instead.
[INFO] [stdout]    --> src/webrtc_peer_connection.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     constraints.audio(&JsValue::FALSE);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:155:45
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   let mut candidate_obj = RtcIceCandidateInit::new(candidate_str);
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:155:45
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   let mut candidate_obj = RtcIceCandidateInit::new(candidate_str);
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ws` is never read
[INFO] [stdout]   --> src/webrtc_peer_connection.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WebRTCConnection {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 11 |     peer_connection: RtcPeerConnection,
[INFO] [stdout] 12 |     ws: web_sys::WebSocket,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebRTCConnection` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ws` is never read
[INFO] [stdout]   --> src/webrtc_peer_connection.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WebRTCConnection {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 11 |     peer_connection: RtcPeerConnection,
[INFO] [stdout] 12 |     ws: web_sys::WebSocket,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebRTCConnection` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             self.send_message(&sdp_str);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 216 |             let _ = self.send_message(&sdp_str);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |             self.send_message(&sdp_str);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 216 |             let _ = self.send_message(&sdp_str);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `Command { std: "docker" "inspect" "0b8a235f21cc122933e86a9bc2dfdf2494ac11b7c3a84f3df197d90da778d398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8a235f21cc122933e86a9bc2dfdf2494ac11b7c3a84f3df197d90da778d398", kill_on_drop: false }`
[INFO] [stdout] 0b8a235f21cc122933e86a9bc2dfdf2494ac11b7c3a84f3df197d90da778d398
