[INFO] cloning repository https://github.com/code-monad/appraisal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/code-monad/appraisal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcode-monad%2Fappraisal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcode-monad%2Fappraisal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db176fc116122746ff396b2f85dba32afa65d455
[INFO] checking code-monad/appraisal against try#09eeb2bacb9b40b2ed1d47f03177442c0632cda1 for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcode-monad%2Fappraisal" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/code-monad/appraisal
[INFO] finished tweaking git repo https://github.com/code-monad/appraisal
[INFO] tweaked toml for git repo https://github.com/code-monad/appraisal written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/code-monad/appraisal on toolchain 09eeb2bacb9b40b2ed1d47f03177442c0632cda1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/code-monad/appraisal 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" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
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[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" "2fbc6a65ecda0d6f0a3505ae89400b72774b0e5fd0e364d607ab77282f82b929" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbc6a65ecda0d6f0a3505ae89400b72774b0e5fd0e364d607ab77282f82b929", 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" "2fbc6a65ecda0d6f0a3505ae89400b72774b0e5fd0e364d607ab77282f82b929" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/websocket.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, error, warn};
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/websocket.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, error, warn};
[INFO] [stdout]    |                             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/websocket.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   let mut requests = pending_requests.lock().await;
[INFO] [stdout]    |                           ----^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/websocket.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   let mut requests = pending_requests.lock().await;
[INFO] [stdout]    |                           ----^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tx_status` and `other` are never read
[INFO] [stdout]   --> src/websocket.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransactionWrapper {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 16 |     pub transaction: Transaction,
[INFO] [stdout] 17 |     pub tx_status: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     #[serde(flatten)]
[INFO] [stdout] 19 |     pub other: serde_json::Value,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionWrapper` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ws_url` and `reconnect_attempts` are never read
[INFO] [stdout]   --> src/websocket.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct WsClient {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     ws_url: Arc<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     reconnect_attempts: Arc<std::sync::atomic::AtomicU32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WsClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tx_status` and `other` are never read
[INFO] [stdout]   --> src/websocket.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TransactionWrapper {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 16 |     pub transaction: Transaction,
[INFO] [stdout] 17 |     pub tx_status: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     #[serde(flatten)]
[INFO] [stdout] 19 |     pub other: serde_json::Value,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionWrapper` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ws_url` and `reconnect_attempts` are never read
[INFO] [stdout]   --> src/websocket.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct WsClient {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     ws_url: Arc<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     reconnect_attempts: Arc<std::sync::atomic::AtomicU32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WsClient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.63s
[INFO] running `Command { std: "docker" "inspect" "2fbc6a65ecda0d6f0a3505ae89400b72774b0e5fd0e364d607ab77282f82b929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc6a65ecda0d6f0a3505ae89400b72774b0e5fd0e364d607ab77282f82b929", kill_on_drop: false }`
[INFO] [stdout] 2fbc6a65ecda0d6f0a3505ae89400b72774b0e5fd0e364d607ab77282f82b929
