[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#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FYew-WebRTC-Chat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codec-abc/Yew-WebRTC-Chat on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-3/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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 thiserror v1.0.16
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded hmac-sha256 v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] [stderr]   Downloaded yew-macro v0.16.1
[INFO] [stderr]   Downloaded yew v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7981aa337a2700cab2ac6cfcdb5c9e24172deaf167c57d0cc93077d58c4359fa
[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" "7981aa337a2700cab2ac6cfcdb5c9e24172deaf167c57d0cc93077d58c4359fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7981aa337a2700cab2ac6cfcdb5c9e24172deaf167c57d0cc93077d58c4359fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7981aa337a2700cab2ac6cfcdb5c9e24172deaf167c57d0cc93077d58c4359fa", kill_on_drop: false }`
[INFO] [stdout] 7981aa337a2700cab2ac6cfcdb5c9e24172deaf167c57d0cc93077d58c4359fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5abbc6450a3d9e74ed3bbed7fc1b67920db825d57b200bfa2ac44bec2f62889b
[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" "5abbc6450a3d9e74ed3bbed7fc1b67920db825d57b200bfa2ac44bec2f62889b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling yew v0.16.2
[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 log v0.4.8
[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 wasm-bindgen v0.2.63
[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 web-sys v0.3.39
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.13
[INFO] [stderr]     Checking serde_json v1.0.53
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[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: 9 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "5abbc6450a3d9e74ed3bbed7fc1b67920db825d57b200bfa2ac44bec2f62889b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abbc6450a3d9e74ed3bbed7fc1b67920db825d57b200bfa2ac44bec2f62889b", kill_on_drop: false }`
[INFO] [stdout] 5abbc6450a3d9e74ed3bbed7fc1b67920db825d57b200bfa2ac44bec2f62889b