[INFO] fetching crate waitcache 0.1.3... [INFO] checking waitcache-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate waitcache 0.1.3 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate waitcache 0.1.3 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 waitcache 0.1.3 [INFO] finished tweaking crates.io crate waitcache 0.1.3 [INFO] tweaked toml for crates.io crate waitcache 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding dashmap v5.5.3 (available: v6.1.0) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] acd73c92acee74468db706067a7eccc3816f8616daf499a1daed9bd6914d56fc [INFO] running `Command { std: "docker" "start" "-a" "acd73c92acee74468db706067a7eccc3816f8616daf499a1daed9bd6914d56fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acd73c92acee74468db706067a7eccc3816f8616daf499a1daed9bd6914d56fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acd73c92acee74468db706067a7eccc3816f8616daf499a1daed9bd6914d56fc", kill_on_drop: false }` [INFO] [stdout] acd73c92acee74468db706067a7eccc3816f8616daf499a1daed9bd6914d56fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fb97f91bdaedb1b8b9850ba6b85a399fbb35671bf1c6f7022560f8ba8566637c [INFO] running `Command { std: "docker" "start" "-a" "fb97f91bdaedb1b8b9850ba6b85a399fbb35671bf1c6f7022560f8ba8566637c", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking lock_api v0.4.12 [INFO] [stderr] Checking waitcell v0.4.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking waitcache v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `dashmap::mapref::entry::Entry<'_, K, Box>, S>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:164:15 [INFO] [stdout] | [INFO] [stdout] 161 | pub fn resolve V>(&self, key: K, init: F) -> &V { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 164 | match self.items.entry(key) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `dashmap::mapref::entry::Entry<'_, K, Box>, S>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:164:15 [INFO] [stdout] | [INFO] [stdout] 161 | pub fn resolve V>(&self, key: K, init: F) -> &V { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 164 | match self.items.entry(key) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `waitcache` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `waitcache` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "fb97f91bdaedb1b8b9850ba6b85a399fbb35671bf1c6f7022560f8ba8566637c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb97f91bdaedb1b8b9850ba6b85a399fbb35671bf1c6f7022560f8ba8566637c", kill_on_drop: false }` [INFO] [stdout] fb97f91bdaedb1b8b9850ba6b85a399fbb35671bf1c6f7022560f8ba8566637c