[INFO] cloning repository https://github.com/loki-anonymous/event-listener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loki-anonymous/event-listener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floki-anonymous%2Fevent-listener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floki-anonymous%2Fevent-listener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b28963e9780a4ea1eb12922bc4ecd6bf0e89a1a
[INFO] checking loki-anonymous/event-listener against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floki-anonymous%2Fevent-listener" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/loki-anonymous/event-listener
[INFO] finished tweaking git repo https://github.com/loki-anonymous/event-listener
[INFO] tweaked toml for git repo https://github.com/loki-anonymous/event-listener written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/loki-anonymous/event-listener on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/loki-anonymous/event-listener 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--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] 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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8db6ab5dbdac1398e1780f0743ca2338a709a65350fdfaec520b0d6af66fe5b4
[INFO] running `Command { std: "docker" "start" "-a" "8db6ab5dbdac1398e1780f0743ca2338a709a65350fdfaec520b0d6af66fe5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db6ab5dbdac1398e1780f0743ca2338a709a65350fdfaec520b0d6af66fe5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db6ab5dbdac1398e1780f0743ca2338a709a65350fdfaec520b0d6af66fe5b4", kill_on_drop: false }`
[INFO] [stdout] 8db6ab5dbdac1398e1780f0743ca2338a709a65350fdfaec520b0d6af66fe5b4
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d5579d61eecab8138ce80eda648b64e0db1dc860eeaac9a0ad23be538be7c83
[INFO] running `Command { std: "docker" "start" "-a" "4d5579d61eecab8138ce80eda648b64e0db1dc860eeaac9a0ad23be538be7c83", kill_on_drop: false }`
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[INFO] [stderr]     Checking open-fastrlp v0.1.4
[INFO] [stderr]     Checking ethers-core v2.0.14
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking web3 v0.19.0
[INFO] [stderr]     Checking ethers-contract-abigen v2.0.14
[INFO] [stderr]     Checking ethers-providers v2.0.14
[INFO] [stderr]     Checking ethers-signers v2.0.14
[INFO] [stderr]     Checking ethers-etherscan v2.0.14
[INFO] [stderr]     Checking ethers-addressbook v2.0.14
[INFO] [stderr]    Compiling ethers-contract-derive v2.0.14
[INFO] [stderr]     Checking ethers-contract v2.0.14
[INFO] [stderr]     Checking ethers-middleware v2.0.14
[INFO] [stderr]     Checking ethers v2.0.14
[INFO] [stderr]     Checking event-listener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Contract` and `Options`
[INFO] [stdout]   --> src/main.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 | use web3::contract::{Contract, Options};
[INFO] [stdout]    |                      ^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web3::signing::keccak256`
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use web3::signing::keccak256;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web3::types::H256`
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | use web3::types::H256;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abi_json`
[INFO] [stdout]   --> src/main.rs:84:69
[INFO] [stdout]    |
[INFO] [stdout] 84 | async fn listen_for_events(ws_url: &str, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]    |                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abi_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Contract` and `Options`
[INFO] [stdout]   --> src/main.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 | use web3::contract::{Contract, Options};
[INFO] [stdout]    |                      ^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web3::signing::keccak256`
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use web3::signing::keccak256;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web3::types::H256`
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | use web3::types::H256;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `web3`
[INFO] [stdout]    --> src/main.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_web3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contract_address`
[INFO] [stdout]    --> src/main.rs:114:58
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contract_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abi_json`
[INFO] [stdout]    --> src/main.rs:114:85
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |                                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abi_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abi_json`
[INFO] [stdout]   --> src/main.rs:84:69
[INFO] [stdout]    |
[INFO] [stdout] 84 | async fn listen_for_events(ws_url: &str, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]    |                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abi_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `web3`
[INFO] [stdout]    --> src/main.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_web3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contract_address`
[INFO] [stdout]    --> src/main.rs:114:58
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contract_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abi_json`
[INFO] [stdout]    --> src/main.rs:114:85
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |                                                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abi_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_event` is never used
[INFO] [stdout]    --> src/main.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_event` is never used
[INFO] [stdout]    --> src/main.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | async fn handle_event(web3: &Web3<WebSocket>, log: &Log, contract_address: Address, abi_json: &str) -> web3::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "4d5579d61eecab8138ce80eda648b64e0db1dc860eeaac9a0ad23be538be7c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5579d61eecab8138ce80eda648b64e0db1dc860eeaac9a0ad23be538be7c83", kill_on_drop: false }`
[INFO] [stdout] 4d5579d61eecab8138ce80eda648b64e0db1dc860eeaac9a0ad23be538be7c83