[INFO] fetching crate switchboard-utils 0.9.2...
[INFO] checking switchboard-utils-0.9.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate switchboard-utils 0.9.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate switchboard-utils 0.9.2
[INFO] finished tweaking crates.io crate switchboard-utils 0.9.2
[INFO] tweaked toml for crates.io crate switchboard-utils 0.9.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate switchboard-utils 0.9.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 265 packages to latest compatible versions
[INFO] [stderr]       Adding jsonpath-rust v0.3.5 (available: v1.0.2)
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.14.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5502a638538371b78e1fd7bf5e1a4cad9045a6e91201efb727462f5c4cb97d46
[INFO] running `Command { std: "docker" "start" "-a" "5502a638538371b78e1fd7bf5e1a4cad9045a6e91201efb727462f5c4cb97d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5502a638538371b78e1fd7bf5e1a4cad9045a6e91201efb727462f5c4cb97d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5502a638538371b78e1fd7bf5e1a4cad9045a6e91201efb727462f5c4cb97d46", kill_on_drop: false }`
[INFO] [stdout] 5502a638538371b78e1fd7bf5e1a4cad9045a6e91201efb727462f5c4cb97d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5ddcbd728e21c0afd944747704a7c8d92014b9b4dbf1238b4bab7a6ae8f52f
[INFO] running `Command { std: "docker" "start" "-a" "3e5ddcbd728e21c0afd944747704a7c8d92014b9b4dbf1238b4bab7a6ae8f52f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pest_derive v2.8.1
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[INFO] [stderr]     Checking switchboard-common v0.11.5
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[INFO] [stderr]     Checking switchboard-utils v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/exchanges/binance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/exchanges/binance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.92s
[INFO] running `Command { std: "docker" "inspect" "3e5ddcbd728e21c0afd944747704a7c8d92014b9b4dbf1238b4bab7a6ae8f52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5ddcbd728e21c0afd944747704a7c8d92014b9b4dbf1238b4bab7a6ae8f52f", kill_on_drop: false }`
[INFO] [stdout] 3e5ddcbd728e21c0afd944747704a7c8d92014b9b4dbf1238b4bab7a6ae8f52f