[INFO] cloning repository https://github.com/codec-abc/Yew-WebRTC-Chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codec-abc/Yew-WebRTC-Chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FYew-WebRTC-Chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FYew-WebRTC-Chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1a661f70f13c1dac7c8920b63a11fc65ed08b95
[INFO] checking codec-abc/Yew-WebRTC-Chat against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FYew-WebRTC-Chat" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codec-abc/Yew-WebRTC-Chat 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/codec-abc/Yew-WebRTC-Chat
[INFO] finished tweaking git repo https://github.com/codec-abc/Yew-WebRTC-Chat
[INFO] tweaked toml for git repo https://github.com/codec-abc/Yew-WebRTC-Chat written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/codec-abc/Yew-WebRTC-Chat 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
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[INFO] [stderr]   Downloaded gloo-file v0.1.0
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded cfg-match v0.2.1
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.15
[INFO] [stderr]   Downloaded base64 v0.12.1
[INFO] [stderr]   Downloaded gloo-console-timer v0.1.0
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded yew-macro v0.16.1
[INFO] [stderr]   Downloaded gloo v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded gloo-events v0.1.1
[INFO] [stderr]   Downloaded yew v0.16.2
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7284c3b24bb9775ea1fd797503580c2178d4794548aca909410575c8971094a4
[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" "7284c3b24bb9775ea1fd797503580c2178d4794548aca909410575c8971094a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7284c3b24bb9775ea1fd797503580c2178d4794548aca909410575c8971094a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7284c3b24bb9775ea1fd797503580c2178d4794548aca909410575c8971094a4", kill_on_drop: false }`
[INFO] [stdout] 7284c3b24bb9775ea1fd797503580c2178d4794548aca909410575c8971094a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 04c52ece247ca1738de5fcff7871f25d2dcf35fd8ea5243134815fbdcf5aac24
[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" "04c52ece247ca1738de5fcff7871f25d2dcf35fd8ea5243134815fbdcf5aac24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling yew v0.16.2
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking cfg-match v0.2.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]     Checking hmac-sha256 v0.1.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling yew-macro v0.16.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking web-sys v0.3.39
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.13
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking gloo-console-timer v0.1.0
[INFO] [stderr]     Checking gloo-file v0.1.0
[INFO] [stderr]     Checking gloo v0.2.1
[INFO] [stderr]     Checking part2_bis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `create_offer_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     create_offer_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `create_answer_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     create_answer_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel_status_change_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     channel_status_change_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_ice_candidate_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     on_ice_candidate_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_ice_connection_state_change_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     on_ice_connection_state_change_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_ice_gathering_state_change_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     on_ice_gathering_state_change_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_data_channel_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     on_data_channel_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_data_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     on_data_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set_candidate_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     set_candidate_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `create_offer_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     create_offer_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `create_answer_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     create_answer_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel_status_change_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     channel_status_change_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_ice_candidate_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     on_ice_candidate_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_ice_connection_state_change_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     on_ice_connection_state_change_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_ice_gathering_state_change_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     on_ice_gathering_state_change_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_data_channel_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     on_data_channel_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_data_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     on_data_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `set_candidate_closure`
[INFO] [stdout]   --> src/chat/web_rtc_manager.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     set_candidate_closure: Option<SingleArgClosure>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "04c52ece247ca1738de5fcff7871f25d2dcf35fd8ea5243134815fbdcf5aac24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c52ece247ca1738de5fcff7871f25d2dcf35fd8ea5243134815fbdcf5aac24", kill_on_drop: false }`
[INFO] [stdout] 04c52ece247ca1738de5fcff7871f25d2dcf35fd8ea5243134815fbdcf5aac24