[INFO] fetching crate radix_trie 0.2.1...
[INFO] checking radix_trie-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate radix_trie 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate radix_trie 0.2.1 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 radix_trie 0.2.1
[INFO] finished tweaking crates.io crate radix_trie 0.2.1
[INFO] tweaked toml for crates.io crate radix_trie 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate radix_trie 0.2.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8bb7775bfc488bb9fe062908f7d21c345bd8944332dc6c007b161da05f6419ab
[INFO] running `Command { std: "docker" "start" "-a" "8bb7775bfc488bb9fe062908f7d21c345bd8944332dc6c007b161da05f6419ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bb7775bfc488bb9fe062908f7d21c345bd8944332dc6c007b161da05f6419ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb7775bfc488bb9fe062908f7d21c345bd8944332dc6c007b161da05f6419ab", kill_on_drop: false }`
[INFO] [stdout] 8bb7775bfc488bb9fe062908f7d21c345bd8944332dc6c007b161da05f6419ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a81f3255a50af979d5210354635153338e92d74ec062baff7cb802e16c72b0be
[INFO] running `Command { std: "docker" "start" "-a" "a81f3255a50af979d5210354635153338e92d74ec062baff7cb802e16c72b0be", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling winapi-build v0.1.1
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[INFO] [stderr]     Checking radix_trie v0.2.1 (/opt/rustwide/workdir)
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[INFO] [stdout] error: this value of type `iter::Children<'_, &str, u32>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/test.rs:346:23
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let trie = test_trie();
[INFO] [stdout]     |         ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 345 |     let subtrie = trie.subtrie(&"abcd").unwrap();
[INFO] [stdout]     |         ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 346 |     for subsubtrie in subtrie.children() {
[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] warning: method `encode_bytes` is never used
[INFO] [stdout]    --> src/keys.rs:231:12
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub trait AsTrieKey {
[INFO] [stdout]     |               --------- method in this trait
[INFO] [stdout] 231 |         fn encode_bytes(&self) -> Vec<u8>;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `radix_trie` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a81f3255a50af979d5210354635153338e92d74ec062baff7cb802e16c72b0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81f3255a50af979d5210354635153338e92d74ec062baff7cb802e16c72b0be", kill_on_drop: false }`
[INFO] [stdout] a81f3255a50af979d5210354635153338e92d74ec062baff7cb802e16c72b0be