[INFO] fetching crate eventify 0.1.0-alpha.0...
[INFO] checking eventify-0.1.0-alpha.0 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate eventify 0.1.0-alpha.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate eventify 0.1.0-alpha.0 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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-7-tc1/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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcefd3cc967bc7146d3df3526cf841c2c3570ac1e8faacc56aa82be550f35e06
[INFO] running `Command { std: "docker" "start" "-a" "dcefd3cc967bc7146d3df3526cf841c2c3570ac1e8faacc56aa82be550f35e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcefd3cc967bc7146d3df3526cf841c2c3570ac1e8faacc56aa82be550f35e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcefd3cc967bc7146d3df3526cf841c2c3570ac1e8faacc56aa82be550f35e06", kill_on_drop: false }`
[INFO] [stdout] dcefd3cc967bc7146d3df3526cf841c2c3570ac1e8faacc56aa82be550f35e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a8737fd7ee8c09b9b18726a13cd4bdedfbfbebfc189b0abd2dd8f41fd2287f
[INFO] running `Command { std: "docker" "start" "-a" "35a8737fd7ee8c09b9b18726a13cd4bdedfbfbebfc189b0abd2dd8f41fd2287f", 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 0.55s
[INFO] running `Command { std: "docker" "inspect" "35a8737fd7ee8c09b9b18726a13cd4bdedfbfbebfc189b0abd2dd8f41fd2287f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a8737fd7ee8c09b9b18726a13cd4bdedfbfbebfc189b0abd2dd8f41fd2287f", kill_on_drop: false }`
[INFO] [stdout] 35a8737fd7ee8c09b9b18726a13cd4bdedfbfbebfc189b0abd2dd8f41fd2287f