[INFO] fetching crate mpsc_requests 0.3.4...
[INFO] checking mpsc_requests-0.3.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate mpsc_requests 0.3.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate mpsc_requests 0.3.4 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpsc_requests 0.3.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mpsc_requests 0.3.4
[INFO] tweaked toml for crates.io crate mpsc_requests 0.3.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate mpsc_requests 0.3.4 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d35653210966dbc011fddfc4067523b929cf43ebebefe9ce8b2ca9cdde197583
[INFO] running `Command { std: "docker" "start" "-a" "d35653210966dbc011fddfc4067523b929cf43ebebefe9ce8b2ca9cdde197583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d35653210966dbc011fddfc4067523b929cf43ebebefe9ce8b2ca9cdde197583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35653210966dbc011fddfc4067523b929cf43ebebefe9ce8b2ca9cdde197583", kill_on_drop: false }`
[INFO] [stdout] d35653210966dbc011fddfc4067523b929cf43ebebefe9ce8b2ca9cdde197583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f001f21261188e9e0c16d7e74e57a44d92b1383365f98feae300d4e59375d065
[INFO] running `Command { std: "docker" "start" "-a" "f001f21261188e9e0c16d7e74e57a44d92b1383365f98feae300d4e59375d065", kill_on_drop: false }`
[INFO] [stderr]     Checking mpsc_requests v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn respond(&self, response: Res) {
[INFO] [stdout]    |                           ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 96 |         match self.response_sender.send(response) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn request(&self, request: Req) -> Result<ResponseReceiver<Res>, RequestError> {
[INFO] [stdout]     |                           ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 203 |         let (response_sender, response_receiver) = cc::unbounded::<Res>();
[INFO] [stdout]     |              ---------------  ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |              |
[INFO] [stdout]     |              these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 204 |         let response_sender = ResponseSender::new(response_sender);
[INFO] [stdout]     |             --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 205 |         self.request_sender.send((request, response_sender))?;
[INFO] [stdout] 206 |         Ok(ResponseReceiver::new(response_receiver))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpsc_requests` (lib test) due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn respond(&self, response: Res) {
[INFO] [stdout]    |                           ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 96 |         match self.response_sender.send(response) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn request(&self, request: Req) -> Result<ResponseReceiver<Res>, RequestError> {
[INFO] [stdout]     |                           ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 203 |         let (response_sender, response_receiver) = cc::unbounded::<Res>();
[INFO] [stdout]     |              ---------------  ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |              |
[INFO] [stdout]     |              these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 204 |         let response_sender = ResponseSender::new(response_sender);
[INFO] [stdout]     |             --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 205 |         self.request_sender.send((request, response_sender))?;
[INFO] [stdout] 206 |         Ok(ResponseReceiver::new(response_receiver))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpsc_requests` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f001f21261188e9e0c16d7e74e57a44d92b1383365f98feae300d4e59375d065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f001f21261188e9e0c16d7e74e57a44d92b1383365f98feae300d4e59375d065", kill_on_drop: false }`
[INFO] [stdout] f001f21261188e9e0c16d7e74e57a44d92b1383365f98feae300d4e59375d065