[INFO] fetching crate double-ended-peekable 0.1.0...
[INFO] checking double-ended-peekable-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate double-ended-peekable 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate double-ended-peekable 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 double-ended-peekable 0.1.0
[INFO] finished tweaking crates.io crate double-ended-peekable 0.1.0
[INFO] tweaked toml for crates.io crate double-ended-peekable 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] 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] 68359b8acf3b0583b6de015d2145be716ac64384026347ecad70d30a2d5df7e8
[INFO] running `Command { std: "docker" "start" "-a" "68359b8acf3b0583b6de015d2145be716ac64384026347ecad70d30a2d5df7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68359b8acf3b0583b6de015d2145be716ac64384026347ecad70d30a2d5df7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68359b8acf3b0583b6de015d2145be716ac64384026347ecad70d30a2d5df7e8", kill_on_drop: false }`
[INFO] [stdout] 68359b8acf3b0583b6de015d2145be716ac64384026347ecad70d30a2d5df7e8
[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] 60262d71668e65312752b1f28e32115842f9e881b9b75cfa8c57d2d3d1aa4b84
[INFO] running `Command { std: "docker" "start" "-a" "60262d71668e65312752b1f28e32115842f9e881b9b75cfa8c57d2d3d1aa4b84", kill_on_drop: false }`
[INFO] [stderr]     Checking double-ended-peekable 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:89:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn double_ended_peekable(self) -> DoubleEndedPeekable<I> {
[INFO] [stdout]    |                              ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 89 |             front: MaybePeeked::Unpeeked,
[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:90:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn double_ended_peekable(self) -> DoubleEndedPeekable<I> {
[INFO] [stdout]    |                              ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 90 |             back: MaybePeeked::Unpeeked,
[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:141:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn next_if(&mut self, func: impl FnOnce(&I::Item) -> bool) -> Option<I::Item> {
[INFO] [stdout]     |                               ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 141 |         match self.next() {
[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:289:15
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn next_back_if(&mut self, func: impl FnOnce(&I::Item) -> bool) -> Option<I::Item> {
[INFO] [stdout]     |                                    ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 289 |         match self.next_back() {
[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:361:15
[INFO] [stdout]     |
[INFO] [stdout] 359 |         func: impl FnOnce(&I::Item, &I::Item) -> bool,
[INFO] [stdout]     |         --------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 360 |     ) -> Option<(I::Item, I::Item)> {
[INFO] [stdout] 361 |         match (self.next(), self.next_back()) {
[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 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `double-ended-peekable` (lib) due to 6 previous errors
[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:89:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn double_ended_peekable(self) -> DoubleEndedPeekable<I> {
[INFO] [stdout]    |                              ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 89 |             front: MaybePeeked::Unpeeked,
[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:90:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn double_ended_peekable(self) -> DoubleEndedPeekable<I> {
[INFO] [stdout]    |                              ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 90 |             back: MaybePeeked::Unpeeked,
[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:141:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn next_if(&mut self, func: impl FnOnce(&I::Item) -> bool) -> Option<I::Item> {
[INFO] [stdout]     |                               ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 141 |         match self.next() {
[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:289:15
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn next_back_if(&mut self, func: impl FnOnce(&I::Item) -> bool) -> Option<I::Item> {
[INFO] [stdout]     |                                    ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 289 |         match self.next_back() {
[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:361:15
[INFO] [stdout]     |
[INFO] [stdout] 359 |         func: impl FnOnce(&I::Item, &I::Item) -> bool,
[INFO] [stdout]     |         --------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 360 |     ) -> Option<(I::Item, I::Item)> {
[INFO] [stdout] 361 |         match (self.next(), self.next_back()) {
[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 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `double-ended-peekable` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "60262d71668e65312752b1f28e32115842f9e881b9b75cfa8c57d2d3d1aa4b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60262d71668e65312752b1f28e32115842f9e881b9b75cfa8c57d2d3d1aa4b84", kill_on_drop: false }`
[INFO] [stdout] 60262d71668e65312752b1f28e32115842f9e881b9b75cfa8c57d2d3d1aa4b84