[INFO] fetching crate eventify 0.1.0-alpha.0...
[INFO] checking eventify-0.1.0-alpha.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate eventify 0.1.0-alpha.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate eventify 0.1.0-alpha.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eventify 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate eventify 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate eventify 0.1.0-alpha.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate eventify 0.1.0-alpha.0 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 315d12a6a7beb6808b7f981b9cb96adc673ec8adb446906a46ac6d22594a33b9
[INFO] running `Command { std: "docker" "start" "-a" "315d12a6a7beb6808b7f981b9cb96adc673ec8adb446906a46ac6d22594a33b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315d12a6a7beb6808b7f981b9cb96adc673ec8adb446906a46ac6d22594a33b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315d12a6a7beb6808b7f981b9cb96adc673ec8adb446906a46ac6d22594a33b9", kill_on_drop: false }`
[INFO] [stdout] 315d12a6a7beb6808b7f981b9cb96adc673ec8adb446906a46ac6d22594a33b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85de08c6a86ec9e4003795bbd1af42ff497c886f9e463b3fed52ac30b6bbdd7d
[INFO] running `Command { std: "docker" "start" "-a" "85de08c6a86ec9e4003795bbd1af42ff497c886f9e463b3fed52ac30b6bbdd7d", kill_on_drop: false }`
[INFO] [stderr]     Checking eventify v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `binding`
[INFO] [stdout]   --> examples/property.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let binding = property.bind(|value| {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binding`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "85de08c6a86ec9e4003795bbd1af42ff497c886f9e463b3fed52ac30b6bbdd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85de08c6a86ec9e4003795bbd1af42ff497c886f9e463b3fed52ac30b6bbdd7d", kill_on_drop: false }`
[INFO] [stdout] 85de08c6a86ec9e4003795bbd1af42ff497c886f9e463b3fed52ac30b6bbdd7d