[INFO] fetching crate solana-shadow 0.2.4...
[INFO] checking solana-shadow-0.2.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate solana-shadow 0.2.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate solana-shadow 0.2.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-shadow 0.2.4
[INFO] finished tweaking crates.io crate solana-shadow 0.2.4
[INFO] tweaked toml for crates.io crate solana-shadow 0.2.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate solana-shadow 0.2.4 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e54b39d3bca1605563d029c55456dfdf9b252aa55bee529be5749bf25f18fdbe
[INFO] running `Command { std: "docker" "start" "-a" "e54b39d3bca1605563d029c55456dfdf9b252aa55bee529be5749bf25f18fdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e54b39d3bca1605563d029c55456dfdf9b252aa55bee529be5749bf25f18fdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54b39d3bca1605563d029c55456dfdf9b252aa55bee529be5749bf25f18fdbe", kill_on_drop: false }`
[INFO] [stdout] e54b39d3bca1605563d029c55456dfdf9b252aa55bee529be5749bf25f18fdbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e953559d1899a6050416e0bb2d1ed070000c76b676b296a1209d33232c53aab9
[INFO] running `Command { std: "docker" "start" "-a" "e953559d1899a6050416e0bb2d1ed070000c76b676b296a1209d33232c53aab9", kill_on_drop: false }`
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[INFO] [stdout] error: this value of type `std::result::Result<std::option::Option<AccountUpdate>, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/blockchain.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |           let mut listener =
[INFO] [stdout]     |               ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 224 | /           tokio::select! {
[INFO] [stdout] 225 | |             recv_result = listener.recv() => {
[INFO] [stdout]     | |             ^^^^^^^^^^^
[INFO] [stdout] 226 | |               match recv_result {
[INFO] [stdout] 227 | |                 Ok(Some(AccountUpdate { pubkey, account })) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |             }
[INFO] [stdout] 258 | |           };
[INFO] [stdout]     | |           -
[INFO] [stdout]     | |___________|
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |             these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `std::result::Result<std::option::Option<AccountUpdate>, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/blockchain.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |           let mut listener =
[INFO] [stdout]     |               ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 224 | /           tokio::select! {
[INFO] [stdout] 225 | |             recv_result = listener.recv() => {
[INFO] [stdout]     | |             ^^^^^^^^^^^
[INFO] [stdout] 226 | |               match recv_result {
[INFO] [stdout] 227 | |                 Ok(Some(AccountUpdate { pubkey, account })) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |             }
[INFO] [stdout] 258 | |           };
[INFO] [stdout]     | |           -
[INFO] [stdout]     | |___________|
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |___________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |             these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/sync.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/sync.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/sync.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/sync.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/sync.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/sync.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solana-shadow` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `solana-shadow` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e953559d1899a6050416e0bb2d1ed070000c76b676b296a1209d33232c53aab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e953559d1899a6050416e0bb2d1ed070000c76b676b296a1209d33232c53aab9", kill_on_drop: false }`
[INFO] [stdout] e953559d1899a6050416e0bb2d1ed070000c76b676b296a1209d33232c53aab9