[INFO] fetching crate v_exchanges_api_generics 0.21.1...
[INFO] checking v_exchanges_api_generics-0.21.1 against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] extracting crate v_exchanges_api_generics 0.21.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate v_exchanges_api_generics 0.21.1
[INFO] finished tweaking crates.io crate v_exchanges_api_generics 0.21.1
[INFO] tweaked toml for crates.io crate v_exchanges_api_generics 0.21.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate v_exchanges_api_generics 0.21.1 on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate v_exchanges_api_generics 0.21.1 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b
[INFO] running `Command { std: "docker" "start" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b", 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" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b", 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" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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:663:6
[INFO] [stdout]     |
[INFO] [stdout] 663 |     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] [stdout] warning: non-binding let on a type that has a destructor
[INFO] [stdout]    --> src/http.rs:625:3
[INFO] [stdout]     |
[INFO] [stdout] 625 |         let _ = client.get_no_query("", &handler).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:30
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![warn(future_incompatible, let_underscore, nonstandard_style)] //, missing_docs)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(let_underscore_drop)]` implied by `#[warn(let_underscore)]`
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 625 |         let _unused = client.get_no_query("", &handler).await;
[INFO] [stdout]     |              ++++++
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 625 -         let _ = client.get_no_query("", &handler).await;
[INFO] [stdout] 625 +         drop(client.get_no_query("", &handler).await);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-binding let on a type that has a destructor
[INFO] [stdout]    --> src/http.rs:638:4
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let _ = sock.read(&mut buf).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let _unused = sock.read(&mut buf).await;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 638 -             let _ = sock.read(&mut buf).await;
[INFO] [stdout] 638 +             drop(sock.read(&mut buf).await);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.99s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: v_utils v2.15.57
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b", kill_on_drop: false }`
[INFO] [stdout] 66f7d562d5cff9061bb0cc64e68ae93104dfa6dd550e17025b472df829f8c82b
