[INFO] fetching crate combine-latest 1.1.2...
[INFO] checking combine-latest-1.1.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate combine-latest 1.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate combine-latest 1.1.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate combine-latest 1.1.2
[INFO] finished tweaking crates.io crate combine-latest 1.1.2
[INFO] tweaked toml for crates.io crate combine-latest 1.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f0da04556eeb0c3bf13d29753e7b12b67ca34d05997e9ba999cc961af52c818
[INFO] running `Command { std: "docker" "start" "-a" "5f0da04556eeb0c3bf13d29753e7b12b67ca34d05997e9ba999cc961af52c818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f0da04556eeb0c3bf13d29753e7b12b67ca34d05997e9ba999cc961af52c818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0da04556eeb0c3bf13d29753e7b12b67ca34d05997e9ba999cc961af52c818", kill_on_drop: false }`
[INFO] [stdout] 5f0da04556eeb0c3bf13d29753e7b12b67ca34d05997e9ba999cc961af52c818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729c735394be2b9551f6dd19d5518baa65fde01699c72e962ab8c3f4129df5a1
[INFO] running `Command { std: "docker" "start" "-a" "729c735394be2b9551f6dd19d5518baa65fde01699c72e962ab8c3f4129df5a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking combine-latest v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `stream_combiners::combine_latest_optional`: Use combine_latest_opt instead
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |     combine_latest, combine_latest_opt, combine_latest_optional, map_latest, map_latest_opt,
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `stream_combiners::combine_latest_optional`: Use combine_latest_opt instead
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |     combine_latest, combine_latest_opt, combine_latest_optional, map_latest, map_latest_opt,
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "729c735394be2b9551f6dd19d5518baa65fde01699c72e962ab8c3f4129df5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729c735394be2b9551f6dd19d5518baa65fde01699c72e962ab8c3f4129df5a1", kill_on_drop: false }`
[INFO] [stdout] 729c735394be2b9551f6dd19d5518baa65fde01699c72e962ab8c3f4129df5a1
[INFO] checking combine-latest-1.1.2 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate combine-latest 1.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate combine-latest 1.1.2 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate combine-latest 1.1.2
[INFO] finished tweaking crates.io crate combine-latest 1.1.2
[INFO] tweaked toml for crates.io crate combine-latest 1.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bf52dda4dc3d6c2eab0f3e42c8987b80e77cd679ddf4e0b0b54fcc00f645fcf
[INFO] running `Command { std: "docker" "start" "-a" "4bf52dda4dc3d6c2eab0f3e42c8987b80e77cd679ddf4e0b0b54fcc00f645fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf52dda4dc3d6c2eab0f3e42c8987b80e77cd679ddf4e0b0b54fcc00f645fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf52dda4dc3d6c2eab0f3e42c8987b80e77cd679ddf4e0b0b54fcc00f645fcf", kill_on_drop: false }`
[INFO] [stdout] 4bf52dda4dc3d6c2eab0f3e42c8987b80e77cd679ddf4e0b0b54fcc00f645fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c5ad4400dfa7fdbd11c38210fdf5d2cd89638ce62fe94ae5f09ad42757a9f8a
[INFO] running `Command { std: "docker" "start" "-a" "7c5ad4400dfa7fdbd11c38210fdf5d2cd89638ce62fe94ae5f09ad42757a9f8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking combine-latest v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `stream_combiners::combine_latest_optional`: Use combine_latest_opt instead
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |     combine_latest, combine_latest_opt, combine_latest_optional, map_latest, map_latest_opt,
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `stream_combiners::combine_latest_optional`: Use combine_latest_opt instead
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |     combine_latest, combine_latest_opt, combine_latest_optional, map_latest, map_latest_opt,
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[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/stream_combiners.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 12 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 | ) -> impl Stream<Item = (T1, T2)> {
[INFO] [stdout] 14 |     combine_latest_opt(s1, s2).filter_map(|(v1, v2)| future::ready(v1.zip(v2)))
[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/stream_combiners.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 |     combine_latest_opt(s1, s2).filter_map(|(v1, v2)| future::ready(v1.zip(v2)))
[INFO] [stdout]    |                                            --------                ^^^^^^^^^^
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            these values have significant drop implementation and will 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] 
[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/stream_combiners.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 | ) -> impl Stream<Item = (Option<T1>, Option<T2>)> {
[INFO] [stdout] 32 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 29 |       s1: impl Stream<Item = T1>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |       s2: impl Stream<Item = T2>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |   ) -> impl Stream<Item = (Option<T1>, Option<T2>)> {
[INFO] [stdout] 32 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |       select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 35 | |         match t1_or_t2 {
[INFO] [stdout] 36 | |             Either::Left(t1) => current1 = Some(t1),
[INFO] [stdout] 37 | |             Either::Right(t2) => current2 = Some(t2),
[INFO] [stdout] 38 | |         };
[INFO] [stdout] 39 | |         (current1.clone(), current2.clone())
[INFO] [stdout] 40 | |     })
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |                                                                   -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |         (current1.clone(), current2.clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |                                                                   -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |         (current1.clone(), current2.clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 12 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 | ) -> impl Stream<Item = (T1, T2)> {
[INFO] [stdout] 14 |     combine_latest_opt(s1, s2).filter_map(|(v1, v2)| future::ready(v1.zip(v2)))
[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/stream_combiners.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 |     combine_latest_opt(s1, s2).filter_map(|(v1, v2)| future::ready(v1.zip(v2)))
[INFO] [stdout]    |                                            --------                ^^^^^^^^^^
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            these values have significant drop implementation and will 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] 
[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/stream_combiners.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 | ) -> impl Stream<Item = (Option<T1>, Option<T2>)> {
[INFO] [stdout] 32 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 29 |       s1: impl Stream<Item = T1>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |       s2: impl Stream<Item = T2>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |   ) -> impl Stream<Item = (Option<T1>, Option<T2>)> {
[INFO] [stdout] 32 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |       select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 35 | |         match t1_or_t2 {
[INFO] [stdout] 36 | |             Either::Left(t1) => current1 = Some(t1),
[INFO] [stdout] 37 | |             Either::Right(t2) => current2 = Some(t2),
[INFO] [stdout] 38 | |         };
[INFO] [stdout] 39 | |         (current1.clone(), current2.clone())
[INFO] [stdout] 40 | |     })
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |                                                                   -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |         (current1.clone(), current2.clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 34 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |                                                                   -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |         (current1.clone(), current2.clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 49 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 50 |     mut f: impl for<'a, 'b> FnMut(&'a T1, &'b T2) -> U,
[INFO] [stdout]    |     -------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 | ) -> impl Stream<Item = U> {
[INFO] [stdout] 52 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 54 |
[INFO] [stdout] 55 |     select(s1.map(Either::Left), s2.map(Either::Right)).filter_map(move |t1_or_t2| {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:55:68
[INFO] [stdout]    |
[INFO] [stdout] 48 |       s1: impl Stream<Item = T1>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 49 |       s2: impl Stream<Item = T2>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 50 |       mut f: impl for<'a, 'b> FnMut(&'a T1, &'b T2) -> U,
[INFO] [stdout]    |       -------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 |   ) -> impl Stream<Item = U> {
[INFO] [stdout] 52 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 54 |
[INFO] [stdout] 55 |       select(s1.map(Either::Left), s2.map(Either::Right)).filter_map(move |t1_or_t2| {
[INFO] [stdout]    |  ____________________________________________________________________^
[INFO] [stdout] 56 | |         match t1_or_t2 {
[INFO] [stdout] 57 | |             Either::Left(t1) => current1 = Some(t1),
[INFO] [stdout] 58 | |             Either::Right(t2) => current2 = Some(t2),
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |         )
[INFO] [stdout] 66 | |     })
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |       mut f: impl for<'a, 'b> FnMut(&'a T1, &'b T2) -> U,
[INFO] [stdout]    |           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 |   ) -> impl Stream<Item = U> {
[INFO] [stdout] 52 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 54 |
[INFO] [stdout] 55 |       select(s1.map(Either::Left), s2.map(Either::Right)).filter_map(move |t1_or_t2| {
[INFO] [stdout]    |                                                                            -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 61 | /             current1
[INFO] [stdout] 62 | |                 .as_ref()
[INFO] [stdout] 63 | |                 .zip(current2.as_ref())
[INFO] [stdout] 64 | |                 .map(|args| f(args.0, args.1)),
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 75 |     mut f: impl for<'a, 'b> FnMut(Option<&'a T1>, Option<&'b T2>) -> U,
[INFO] [stdout]    |     ------------------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 76 | ) -> impl Stream<Item = U> {
[INFO] [stdout] 77 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 79 |
[INFO] [stdout] 80 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:80:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |       s1: impl Stream<Item = T1>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |       s2: impl Stream<Item = T2>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 75 |       mut f: impl for<'a, 'b> FnMut(Option<&'a T1>, Option<&'b T2>) -> U,
[INFO] [stdout]    |       ------------------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 76 |   ) -> impl Stream<Item = U> {
[INFO] [stdout] 77 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 79 |
[INFO] [stdout] 80 |       select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 81 | |         match t1_or_t2 {
[INFO] [stdout] 82 | |             Either::Left(t1) => current1 = Some(t1),
[INFO] [stdout] 83 | |             Either::Right(t2) => current2 = Some(t2),
[INFO] [stdout] 84 | |         };
[INFO] [stdout] 85 | |         f(current1.as_ref(), current2.as_ref())
[INFO] [stdout] 86 | |     })
[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 11 previous errors; 1 warning emitted
[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/stream_combiners.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 49 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 50 |     mut f: impl for<'a, 'b> FnMut(&'a T1, &'b T2) -> U,
[INFO] [stdout]    |     -------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 | ) -> impl Stream<Item = U> {
[INFO] [stdout] 52 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 54 |
[INFO] [stdout] 55 |     select(s1.map(Either::Left), s2.map(Either::Right)).filter_map(move |t1_or_t2| {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:55:68
[INFO] [stdout]    |
[INFO] [stdout] 48 |       s1: impl Stream<Item = T1>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 49 |       s2: impl Stream<Item = T2>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 50 |       mut f: impl for<'a, 'b> FnMut(&'a T1, &'b T2) -> U,
[INFO] [stdout]    |       -------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 |   ) -> impl Stream<Item = U> {
[INFO] [stdout] 52 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 54 |
[INFO] [stdout] 55 |       select(s1.map(Either::Left), s2.map(Either::Right)).filter_map(move |t1_or_t2| {
[INFO] [stdout]    |  ____________________________________________________________________^
[INFO] [stdout] 56 | |         match t1_or_t2 {
[INFO] [stdout] 57 | |             Either::Left(t1) => current1 = Some(t1),
[INFO] [stdout] 58 | |             Either::Right(t2) => current2 = Some(t2),
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |         )
[INFO] [stdout] 66 | |     })
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |       mut f: impl for<'a, 'b> FnMut(&'a T1, &'b T2) -> U,
[INFO] [stdout]    |           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 |   ) -> impl Stream<Item = U> {
[INFO] [stdout] 52 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 54 |
[INFO] [stdout] 55 |       select(s1.map(Either::Left), s2.map(Either::Right)).filter_map(move |t1_or_t2| {
[INFO] [stdout]    |                                                                            -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 61 | /             current1
[INFO] [stdout] 62 | |                 .as_ref()
[INFO] [stdout] 63 | |                 .zip(current2.as_ref())
[INFO] [stdout] 64 | |                 .map(|args| f(args.0, args.1)),
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     s1: impl Stream<Item = T1>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |     s2: impl Stream<Item = T2>,
[INFO] [stdout]    |     -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 75 |     mut f: impl for<'a, 'b> FnMut(Option<&'a T1>, Option<&'b T2>) -> U,
[INFO] [stdout]    |     ------------------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 76 | ) -> impl Stream<Item = U> {
[INFO] [stdout] 77 |     let mut current1 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78 |     let mut current2 = None;
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 79 |
[INFO] [stdout] 80 |     select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/stream_combiners.rs:80:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |       s1: impl Stream<Item = T1>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |       s2: impl Stream<Item = T2>,
[INFO] [stdout]    |       -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 75 |       mut f: impl for<'a, 'b> FnMut(Option<&'a T1>, Option<&'b T2>) -> U,
[INFO] [stdout]    |       ------------------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 76 |   ) -> impl Stream<Item = U> {
[INFO] [stdout] 77 |       let mut current1 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 78 |       let mut current2 = None;
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 79 |
[INFO] [stdout] 80 |       select(s1.map(Either::Left), s2.map(Either::Right)).map(move |t1_or_t2| {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 81 | |         match t1_or_t2 {
[INFO] [stdout] 82 | |             Either::Left(t1) => current1 = Some(t1),
[INFO] [stdout] 83 | |             Either::Right(t2) => current2 = Some(t2),
[INFO] [stdout] 84 | |         };
[INFO] [stdout] 85 | |         f(current1.as_ref(), current2.as_ref())
[INFO] [stdout] 86 | |     })
[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 11 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combine-latest` (lib) due to 12 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `combine-latest` (lib test) due to 12 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7c5ad4400dfa7fdbd11c38210fdf5d2cd89638ce62fe94ae5f09ad42757a9f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5ad4400dfa7fdbd11c38210fdf5d2cd89638ce62fe94ae5f09ad42757a9f8a", kill_on_drop: false }`
[INFO] [stdout] 7c5ad4400dfa7fdbd11c38210fdf5d2cd89638ce62fe94ae5f09ad42757a9f8a