[INFO] fetching crate promise_out 1.0.0...
[INFO] checking promise_out-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate promise_out 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate promise_out 1.0.0 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 promise_out 1.0.0
[INFO] finished tweaking crates.io crate promise_out 1.0.0
[INFO] tweaked toml for crates.io crate promise_out 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82fc99ed3520b005eb2900e9ac5d0b458b740c09a31b3a92f03b020e8154f7a8
[INFO] running `Command { std: "docker" "start" "-a" "82fc99ed3520b005eb2900e9ac5d0b458b740c09a31b3a92f03b020e8154f7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82fc99ed3520b005eb2900e9ac5d0b458b740c09a31b3a92f03b020e8154f7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fc99ed3520b005eb2900e9ac5d0b458b740c09a31b3a92f03b020e8154f7a8", kill_on_drop: false }`
[INFO] [stdout] 82fc99ed3520b005eb2900e9ac5d0b458b740c09a31b3a92f03b020e8154f7a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072bca9bc22f0c9d3e8357b55742b43c6a388f23fba1b6f4ac5d4fa49411d3b4
[INFO] running `Command { std: "docker" "start" "-a" "072bca9bc22f0c9d3e8357b55742b43c6a388f23fba1b6f4ac5d4fa49411d3b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking promise_out v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<Waker>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/pair.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn resolve(self, value: T) {
[INFO] [stdout]    |                ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 64 |         let mut promise = self.promise.lock().unwrap();
[INFO] [stdout]    |             ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 65 |         promise.value = Some(Ok(value));
[INFO] [stdout] 66 |         if let Some(waker) = promise.waker.take() {
[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: this value of type `Option<Waker>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/pair.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn reject(self, err: E) {
[INFO] [stdout]    |               ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 91 |         let mut promise = self.promise.lock().unwrap();
[INFO] [stdout]    |             ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 92 |         promise.value = Some(Err(err));
[INFO] [stdout] 93 |         if let Some(waker) = promise.waker.take() {
[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: this value of type `Option<Result<T, E>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/pair.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut promise = self.promise.lock().unwrap();
[INFO] [stdout]     |             ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 115 |         match promise.value.take() {
[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 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `promise_out` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "072bca9bc22f0c9d3e8357b55742b43c6a388f23fba1b6f4ac5d4fa49411d3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072bca9bc22f0c9d3e8357b55742b43c6a388f23fba1b6f4ac5d4fa49411d3b4", kill_on_drop: false }`
[INFO] [stdout] 072bca9bc22f0c9d3e8357b55742b43c6a388f23fba1b6f4ac5d4fa49411d3b4