[INFO] fetching crate pink-web3 0.20.2...
[INFO] checking pink-web3-0.20.2 against try#cc4c4328b2b4da72bc61f8f5984292dd73740b5e for pr-112842
[INFO] extracting crate pink-web3 0.20.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate pink-web3 0.20.2 on toolchain cc4c4328b2b4da72bc61f8f5984292dd73740b5e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate pink-web3 0.20.2
[INFO] finished tweaking crates.io crate pink-web3 0.20.2
[INFO] tweaked toml for crates.io crate pink-web3 0.20.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebfe35c0e1a1b23e55cce76bd0b44aba61416c09daed1ba0dc8ec06094a00000
[INFO] running `Command { std: "docker" "start" "-a" "ebfe35c0e1a1b23e55cce76bd0b44aba61416c09daed1ba0dc8ec06094a00000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebfe35c0e1a1b23e55cce76bd0b44aba61416c09daed1ba0dc8ec06094a00000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfe35c0e1a1b23e55cce76bd0b44aba61416c09daed1ba0dc8ec06094a00000", kill_on_drop: false }`
[INFO] [stdout] ebfe35c0e1a1b23e55cce76bd0b44aba61416c09daed1ba0dc8ec06094a00000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+cc4c4328b2b4da72bc61f8f5984292dd73740b5e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35dc0ea79bccdd6c1f21768cf3af32a9db8467a14122d1e9b1e2421b22fae36
[INFO] running `Command { std: "docker" "start" "-a" "d35dc0ea79bccdd6c1f21768cf3af32a9db8467a14122d1e9b1e2421b22fae36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
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[INFO] [stderr]    Compiling pink-erased-serde v0.3.23
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[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.16
[INFO] [stderr]    Compiling pink-extension-macro v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling scale-info-derive v2.8.0
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[INFO] [stderr]    Compiling sp-debug-derive v5.0.0
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[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
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[INFO] [stderr]     Checking pink-web3 v0.20.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `poll_interval`
[INFO] [stdout]   --> src/api/eth_filter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     poll_interval: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_interval`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `poll_interval`
[INFO] [stdout]   --> src/api/eth_filter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     poll_interval: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_interval`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.63s
[INFO] running `Command { std: "docker" "inspect" "d35dc0ea79bccdd6c1f21768cf3af32a9db8467a14122d1e9b1e2421b22fae36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35dc0ea79bccdd6c1f21768cf3af32a9db8467a14122d1e9b1e2421b22fae36", kill_on_drop: false }`
[INFO] [stdout] d35dc0ea79bccdd6c1f21768cf3af32a9db8467a14122d1e9b1e2421b22fae36