[INFO] fetching crate thetadb 0.0.4...
[INFO] checking thetadb-0.0.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate thetadb 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate thetadb 0.0.4 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 thetadb 0.0.4
[INFO] finished tweaking crates.io crate thetadb 0.0.4
[INFO] tweaked toml for crates.io crate thetadb 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] 4de3a9a88ee7d53efc12d6cb7dea5a3269c7a0bcafae1a13d380a88748a6a51c
[INFO] running `Command { std: "docker" "start" "-a" "4de3a9a88ee7d53efc12d6cb7dea5a3269c7a0bcafae1a13d380a88748a6a51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de3a9a88ee7d53efc12d6cb7dea5a3269c7a0bcafae1a13d380a88748a6a51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de3a9a88ee7d53efc12d6cb7dea5a3269c7a0bcafae1a13d380a88748a6a51c", kill_on_drop: false }`
[INFO] [stdout] 4de3a9a88ee7d53efc12d6cb7dea5a3269c7a0bcafae1a13d380a88748a6a51c
[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] 2907ac0c3a1ce8437fdbdcd6ae411f2ccb7cba7b086e9d0e4d2056a7f23efd37
[INFO] running `Command { std: "docker" "start" "-a" "2907ac0c3a1ce8437fdbdcd6ae411f2ccb7cba7b086e9d0e4d2056a7f23efd37", kill_on_drop: false }`
[INFO] [stderr]     Checking thetadb v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/bptree/slotted.rs:317:33
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub(crate) fn split_insert<'a>(
[INFO] [stdout]     |                                -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 317 |     ) -> mapping::Result<Option<&mut [u8]>> {
[INFO] [stdout]     |                                 ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/bptree/slotted.rs:332:33
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub(crate) fn split_set<'a>(
[INFO] [stdout]     |                             -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 332 |     ) -> mapping::Result<Option<&mut [u8]>> {
[INFO] [stdout]     |                                 ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: this value of type `Tx<'_>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/db.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn contains(&self, key: impl AsRef<[u8]>) -> Result<bool> {
[INFO] [stdout]     |                            --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 117 |         self.begin_tx()?.contains(key)
[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 `Tx<'_>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/db.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn get(&self, key: impl AsRef<[u8]>) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]     |                       --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 123 |         self.begin_tx()?.get(key)
[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 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thetadb` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2907ac0c3a1ce8437fdbdcd6ae411f2ccb7cba7b086e9d0e4d2056a7f23efd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2907ac0c3a1ce8437fdbdcd6ae411f2ccb7cba7b086e9d0e4d2056a7f23efd37", kill_on_drop: false }`
[INFO] [stdout] 2907ac0c3a1ce8437fdbdcd6ae411f2ccb7cba7b086e9d0e4d2056a7f23efd37