[INFO] fetching crate v_exchanges_api_generics 0.20.3...
[INFO] checking v_exchanges_api_generics-0.20.3 against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] extracting crate v_exchanges_api_generics 0.20.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate v_exchanges_api_generics 0.20.3
[INFO] finished tweaking crates.io crate v_exchanges_api_generics 0.20.3
[INFO] tweaked toml for crates.io crate v_exchanges_api_generics 0.20.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate v_exchanges_api_generics 0.20.3 on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate v_exchanges_api_generics 0.20.3 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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd
[INFO] running `Command { std: "docker" "start" "6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `futures_util::SinkExt`
[INFO] [stdout]    --> src/ws.rs:662:6
[INFO] [stdout]     |
[INFO] [stdout] 662 |     use futures_util::SinkExt as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.49s
[INFO] running `Command { std: "docker" "inspect" "6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd", kill_on_drop: false }`
[INFO] [stdout] 6cd3e15dfa351660f53dc3e462cee783ab3bf259243f6486beeff524c7a897dd
