[INFO] cloning repository https://github.com/vapvin/rust-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vapvin/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvapvin%2Frust-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvapvin%2Frust-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de9e76f14cfead2170290cb0d83e7ace676c5f48 [INFO] checking vapvin/rust-chat against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvapvin%2Frust-chat" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vapvin/rust-chat on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vapvin/rust-chat [INFO] finished tweaking git repo https://github.com/vapvin/rust-chat [INFO] tweaked toml for git repo https://github.com/vapvin/rust-chat written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/vapvin/rust-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/DenisKolodin/yew` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v1.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffd966a7c24811ed3de6facb8c095a39228dcaa180e13289c1a001ab95b82f00 [INFO] running `Command { std: "docker" "start" "-a" "ffd966a7c24811ed3de6facb8c095a39228dcaa180e13289c1a001ab95b82f00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffd966a7c24811ed3de6facb8c095a39228dcaa180e13289c1a001ab95b82f00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffd966a7c24811ed3de6facb8c095a39228dcaa180e13289c1a001ab95b82f00", kill_on_drop: false }` [INFO] [stdout] ffd966a7c24811ed3de6facb8c095a39228dcaa180e13289c1a001ab95b82f00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52c659ff287bfb6559df17c158b5776d77728d92f9715cd744d4be8712a56070 [INFO] running `Command { std: "docker" "start" "-a" "52c659ff287bfb6559df17c158b5776d77728d92f9715cd744d4be8712a56070", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.20 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.67 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bumpalo v3.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling wasm-bindgen v0.2.67 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling yew v0.17.3 (https://github.com/DenisKolodin/yew#fef03e38) [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking cfg-match v0.2.1 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.67 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.67 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling yew-macro v0.17.0 (https://github.com/DenisKolodin/yew#fef03e38) [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.67 [INFO] [stderr] Checking js-sys v0.3.44 [INFO] [stderr] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking web-sys v0.3.44 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.17 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking gloo-events v0.1.1 [INFO] [stderr] Checking gloo-console-timer v0.1.0 [INFO] [stderr] Checking gloo-timers v0.2.1 [INFO] [stderr] Checking gloo-file v0.1.0 [INFO] [stderr] Checking gloo v0.2.1 [INFO] [stderr] Checking rust-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: only one root html element is allowed (hint: you can wrap multiple html elements in a fragment `<>>`) [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: only one root html element is allowed (hint: you can wrap multiple html elements in a fragment `<>>`) [INFO] [stdout] --> src/main.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | /