[INFO] fetching crate serde-content 0.1.0...
[INFO] checking serde-content-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate serde-content 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate serde-content 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-content 0.1.0
[INFO] finished tweaking crates.io crate serde-content 0.1.0
[INFO] tweaked toml for crates.io crate serde-content 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate serde-content 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d1ff1bcde3b1b3537e85a3ce5fcf66275c315c10d90d2ae3e01a313eaa70cc
[INFO] running `Command { std: "docker" "start" "-a" "b0d1ff1bcde3b1b3537e85a3ce5fcf66275c315c10d90d2ae3e01a313eaa70cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d1ff1bcde3b1b3537e85a3ce5fcf66275c315c10d90d2ae3e01a313eaa70cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d1ff1bcde3b1b3537e85a3ce5fcf66275c315c10d90d2ae3e01a313eaa70cc", kill_on_drop: false }`
[INFO] [stdout] b0d1ff1bcde3b1b3537e85a3ce5fcf66275c315c10d90d2ae3e01a313eaa70cc
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cae624b8a03e9ddcbd14aaf106b15ac8ee74aa8224307b717b1e9d4ec3c7cfb
[INFO] running `Command { std: "docker" "start" "-a" "0cae624b8a03e9ddcbd14aaf106b15ac8ee74aa8224307b717b1e9d4ec3c7cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking serde-content v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::option::Option<(Key<'_>, Value<'_>)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/de/map.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, Error>
[INFO] [stdout]    |                                      ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 64 |         match self.iter.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]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `std::option::Option<(Key<'_>, Value<'_>)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/de/map.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |         kseed: K,
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 80 |         vseed: V,
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 86 |         match self.iter.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: this value of type `std::option::Option<Value<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/de/seq.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error>
[INFO] [stdout]    |                                        ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 31 |         match self.iter.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: this value of type `std::option::Option<(Key<'_>, Value<'_>)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/de/map.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, Error>
[INFO] [stdout]    |                                      ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 64 |         match self.iter.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]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `std::option::Option<(Key<'_>, Value<'_>)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/de/map.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |         kseed: K,
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 80 |         vseed: V,
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 86 |         match self.iter.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: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-content` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this value of type `std::option::Option<Value<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/de/seq.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error>
[INFO] [stdout]    |                                        ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 31 |         match self.iter.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: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-content` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0cae624b8a03e9ddcbd14aaf106b15ac8ee74aa8224307b717b1e9d4ec3c7cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cae624b8a03e9ddcbd14aaf106b15ac8ee74aa8224307b717b1e9d4ec3c7cfb", kill_on_drop: false }`
[INFO] [stdout] 0cae624b8a03e9ddcbd14aaf106b15ac8ee74aa8224307b717b1e9d4ec3c7cfb