[INFO] fetching crate gen-z 0.1.0...
[INFO] checking gen-z-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate gen-z 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate gen-z 0.1.0 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 gen-z 0.1.0
[INFO] finished tweaking crates.io crate gen-z 0.1.0
[INFO] tweaked toml for crates.io crate gen-z 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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 19 packages to latest compatible versions
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9c460e4bc513e7a1950b2c67760b702597988e37b9f32013c39d722a54e53525
[INFO] running `Command { std: "docker" "start" "-a" "9c460e4bc513e7a1950b2c67760b702597988e37b9f32013c39d722a54e53525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c460e4bc513e7a1950b2c67760b702597988e37b9f32013c39d722a54e53525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c460e4bc513e7a1950b2c67760b702597988e37b9f32013c39d722a54e53525", kill_on_drop: false }`
[INFO] [stdout] 9c460e4bc513e7a1950b2c67760b702597988e37b9f32013c39d722a54e53525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c84bd0ba723d2a559934d7913a40c15ba924ea7dee9faaaceeb3cfa443e9e5d7
[INFO] running `Command { std: "docker" "start" "-a" "c84bd0ba723d2a559934d7913a40c15ba924ea7dee9faaaceeb3cfa443e9e5d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking gen-z v0.1.0 (/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:21:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let joined = stream::select(fut, recv.map(Either::Right)).filter_map(|x| {
[INFO] [stdout]    |                                                                           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |       futures::future::ready(match x {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 22 | |       Either::Left(_) => None,
[INFO] [stdout] 23 | |       Either::Right(y) => Some(y),
[INFO] [stdout] 24 | |     })
[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:21:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let joined = stream::select(fut, recv.map(Either::Right)).filter_map(|x| {
[INFO] [stdout]    |                                                                           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |       futures::future::ready(match x {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 22 | |       Either::Left(_) => None,
[INFO] [stdout] 23 | |       Either::Right(y) => Some(y),
[INFO] [stdout] 24 | |     })
[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:63:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |   gen: Gen,
[INFO] [stdout]    |   -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 62 | ) -> impl Stream<Item = T> + 'fut {
[INFO] [stdout] 63 |   gen_z_sender(|sender| gen(Yielder::<T>::new(sender)))
[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/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |   gen: Gen,
[INFO] [stdout]    |   --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 62 | ) -> impl Stream<Item = T> + 'fut {
[INFO] [stdout] 63 |   gen_z_sender(|sender| gen(Yielder::<T>::new(sender)))
[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/lib.rs:63:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |   gen: Gen,
[INFO] [stdout]    |   -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 62 | ) -> impl Stream<Item = T> + 'fut {
[INFO] [stdout] 63 |   gen_z_sender(|sender| gen(Yielder::<T>::new(sender)))
[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/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |   gen: Gen,
[INFO] [stdout]    |   --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 62 | ) -> impl Stream<Item = T> + 'fut {
[INFO] [stdout] 63 |   gen_z_sender(|sender| gen(Yielder::<T>::new(sender)))
[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: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gen-z` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gen-z` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c84bd0ba723d2a559934d7913a40c15ba924ea7dee9faaaceeb3cfa443e9e5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84bd0ba723d2a559934d7913a40c15ba924ea7dee9faaaceeb3cfa443e9e5d7", kill_on_drop: false }`
[INFO] [stdout] c84bd0ba723d2a559934d7913a40c15ba924ea7dee9faaaceeb3cfa443e9e5d7