[INFO] cloning repository https://github.com/SmoothBot/tx-latency-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SmoothBot/tx-latency-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmoothBot%2Ftx-latency-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmoothBot%2Ftx-latency-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01d9ab89936b3bd7f4621b14ef7c19916213c034
[INFO] testing SmoothBot/tx-latency-bench against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmoothBot%2Ftx-latency-bench" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SmoothBot/tx-latency-bench
[INFO] finished tweaking git repo https://github.com/SmoothBot/tx-latency-bench
[INFO] tweaked toml for git repo https://github.com/SmoothBot/tx-latency-bench written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SmoothBot/tx-latency-bench on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SmoothBot/tx-latency-bench 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" "+beta-2026-04-21" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7e3cb04895a92a9e8ed9f3834f75d658bfa997df3b28d5caab2558da85a637
[INFO] running `Command { std: "docker" "start" "-a" "2c7e3cb04895a92a9e8ed9f3834f75d658bfa997df3b28d5caab2558da85a637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7e3cb04895a92a9e8ed9f3834f75d658bfa997df3b28d5caab2558da85a637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7e3cb04895a92a9e8ed9f3834f75d658bfa997df3b28d5caab2558da85a637", kill_on_drop: false }`
[INFO] [stdout] 2c7e3cb04895a92a9e8ed9f3834f75d658bfa997df3b28d5caab2558da85a637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `hash` and `timestamp` are never read
[INFO] [stdout]    --> src/snake/snake.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | struct TransactionInfo {
[INFO] [stdout]     |        --------------- fields in this struct
[INFO] [stdout] 190 |     nonce: u64,
[INFO] [stdout] 191 |     hash: H256,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 192 |     status: TxStatus,
[INFO] [stdout] 193 |     timestamp: std::time::Instant,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TransactionInfo` 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: field `pending_direction` is never read
[INFO] [stdout]    --> src/snake/snake.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | struct Game {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pending_direction: Arc<StdMutex<Option<Direction>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid_move` is never used
[INFO] [stdout]    --> src/snake/snake.rs:305:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl Game {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn is_valid_move(&self, new_direction: Direction) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RealtimeMiddlewareError` is never used
[INFO] [stdout]   --> src/snake/../middleware/realtime_transaction.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum RealtimeMiddlewareError<M: Middleware> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RealtimeTransactionMiddleware` is never constructed
[INFO] [stdout]   --> src/snake/../middleware/realtime_transaction.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct RealtimeTransactionMiddleware<M> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `send_raw_transaction_realtime` are never used
[INFO] [stdout]   --> src/snake/../middleware/realtime_transaction.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | / impl<M> RealtimeTransactionMiddleware<M>
[INFO] [stdout] 42 | | where
[INFO] [stdout] 43 | |     M: Middleware,
[INFO] [stdout]    | |__________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |       pub fn new(inner: M) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |       pub async fn send_raw_transaction_realtime(
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 17s
[INFO] running `Command { std: "docker" "inspect" "590506f741e5e9788a53b5191d5850885636ebdeff7366589f32bc2d3d924f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590506f741e5e9788a53b5191d5850885636ebdeff7366589f32bc2d3d924f4e", kill_on_drop: false }`
[INFO] [stdout] 590506f741e5e9788a53b5191d5850885636ebdeff7366589f32bc2d3d924f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0915589dced5c9611b27bfffba2c98a89fd3b8f3c7130131fe8872a2854af8a5
[INFO] running `Command { std: "docker" "start" "-a" "0915589dced5c9611b27bfffba2c98a89fd3b8f3c7130131fe8872a2854af8a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tx-latency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `hash` and `timestamp` are never read
[INFO] [stdout]    --> src/snake/snake.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | struct TransactionInfo {
[INFO] [stdout]     |        --------------- fields in this struct
[INFO] [stdout] 190 |     nonce: u64,
[INFO] [stdout] 191 |     hash: H256,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 192 |     status: TxStatus,
[INFO] [stdout] 193 |     timestamp: std::time::Instant,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TransactionInfo` 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: field `pending_direction` is never read
[INFO] [stdout]    --> src/snake/snake.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | struct Game {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 208 |     pending_direction: Arc<StdMutex<Option<Direction>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid_move` is never used
[INFO] [stdout]    --> src/snake/snake.rs:305:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl Game {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn is_valid_move(&self, new_direction: Direction) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RealtimeMiddlewareError` is never used
[INFO] [stdout]   --> src/snake/../middleware/realtime_transaction.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum RealtimeMiddlewareError<M: Middleware> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RealtimeTransactionMiddleware` is never constructed
[INFO] [stdout]   --> src/snake/../middleware/realtime_transaction.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct RealtimeTransactionMiddleware<M> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `send_raw_transaction_realtime` are never used
[INFO] [stdout]   --> src/snake/../middleware/realtime_transaction.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | / impl<M> RealtimeTransactionMiddleware<M>
[INFO] [stdout] 42 | | where
[INFO] [stdout] 43 | |     M: Middleware,
[INFO] [stdout]    | |__________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |       pub fn new(inner: M) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |       pub async fn send_raw_transaction_realtime(
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "0915589dced5c9611b27bfffba2c98a89fd3b8f3c7130131fe8872a2854af8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0915589dced5c9611b27bfffba2c98a89fd3b8f3c7130131fe8872a2854af8a5", kill_on_drop: false }`
[INFO] [stdout] 0915589dced5c9611b27bfffba2c98a89fd3b8f3c7130131fe8872a2854af8a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a165a26e0033b38819be5489e82676e73bc735f5a9a245a749439565451edd84
[INFO] running `Command { std: "docker" "start" "-a" "a165a26e0033b38819be5489e82676e73bc735f5a9a245a749439565451edd84", kill_on_drop: false }`
[INFO] [stderr] warning: fields `hash` and `timestamp` are never read
[INFO] [stderr]    --> src/snake/snake.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 189 | struct TransactionInfo {
[INFO] [stderr]     |        --------------- fields in this struct
[INFO] [stderr] 190 |     nonce: u64,
[INFO] [stderr] 191 |     hash: H256,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 192 |     status: TxStatus,
[INFO] [stderr] 193 |     timestamp: std::time::Instant,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TransactionInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `pending_direction` is never read
[INFO] [stderr]    --> src/snake/snake.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 199 | struct Game {
[INFO] [stderr]     |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 208 |     pending_direction: Arc<StdMutex<Option<Direction>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_valid_move` is never used
[INFO] [stderr]    --> src/snake/snake.rs:305:8
[INFO] [stderr]     |
[INFO] [stderr] 212 | impl Game {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 305 |     fn is_valid_move(&self, new_direction: Direction) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `RealtimeMiddlewareError` is never used
[INFO] [stderr]   --> src/snake/../middleware/realtime_transaction.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum RealtimeMiddlewareError<M: Middleware> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RealtimeTransactionMiddleware` is never constructed
[INFO] [stderr]   --> src/snake/../middleware/realtime_transaction.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct RealtimeTransactionMiddleware<M> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `send_raw_transaction_realtime` are never used
[INFO] [stderr]   --> src/snake/../middleware/realtime_transaction.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | / impl<M> RealtimeTransactionMiddleware<M>
[INFO] [stderr] 42 | | where
[INFO] [stderr] 43 | |     M: Middleware,
[INFO] [stderr]    | |__________________- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |       pub fn new(inner: M) -> Self {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |       pub async fn send_raw_transaction_realtime(
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tx-latency` (bin "snake" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests src/snake/snake.rs (/opt/rustwide/target/debug/deps/snake-fc56940666885d17)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tx_latency-eae04394acc73365)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a165a26e0033b38819be5489e82676e73bc735f5a9a245a749439565451edd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a165a26e0033b38819be5489e82676e73bc735f5a9a245a749439565451edd84", kill_on_drop: false }`
[INFO] [stdout] a165a26e0033b38819be5489e82676e73bc735f5a9a245a749439565451edd84
