[INFO] fetching crate cht 0.5.0... [INFO] checking cht-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate cht 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate cht 0.5.0 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 cht 0.5.0 [INFO] finished tweaking crates.io crate cht 0.5.0 [INFO] tweaked toml for crates.io crate cht 0.5.0 written to /workspace/builds/worker-0-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 2 packages to latest compatible versions [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a9b9769cee68af8f0b9f2b6ce4c3a109f04a8e107d0993a46bfa0324f68e713b [INFO] running `Command { std: "docker" "start" "-a" "a9b9769cee68af8f0b9f2b6ce4c3a109f04a8e107d0993a46bfa0324f68e713b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9b9769cee68af8f0b9f2b6ce4c3a109f04a8e107d0993a46bfa0324f68e713b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9b9769cee68af8f0b9f2b6ce4c3a109f04a8e107d0993a46bfa0324f68e713b", kill_on_drop: false }` [INFO] [stdout] a9b9769cee68af8f0b9f2b6ce4c3a109f04a8e107d0993a46bfa0324f68e713b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 060d8f02053dfd90b7a9a784fed618801cec926a2fb552996f7e3ebfe2a8ad48 [INFO] running `Command { std: "docker" "start" "-a" "060d8f02053dfd90b7a9a784fed618801cec926a2fb552996f7e3ebfe2a8ad48", kill_on_drop: false }` [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking cht v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result>, CompareExchangeError<'_, Bucket, crossbeam_epoch::Owned>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/map/bucket.rs:286:60 [INFO] [stdout] | [INFO] [stdout] 262 | let (new_bucket, maybe_insert_value) = [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 286 | if let Err(CompareExchangeError { new, .. }) = this_bucket.compare_exchange_weak( [INFO] [stdout] | ____________________________________________________________^ [INFO] [stdout] 287 | | this_bucket_ptr, [INFO] [stdout] 288 | | new_bucket, [INFO] [stdout] 289 | | Ordering::Release, [INFO] [stdout] 290 | | Ordering::Relaxed, [INFO] [stdout] 291 | | guard, [INFO] [stdout] 292 | | ) { [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] [stderr] error: could not compile `cht` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result>, CompareExchangeError<'_, bucket::Bucket, crossbeam_epoch::Owned>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/map/bucket.rs:286:60 [INFO] [stdout] | [INFO] [stdout] 262 | let (new_bucket, maybe_insert_value) = [INFO] [stdout] | ------------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 286 | if let Err(CompareExchangeError { new, .. }) = this_bucket.compare_exchange_weak( [INFO] [stdout] | ____________________________________________________________^ [INFO] [stdout] 287 | | this_bucket_ptr, [INFO] [stdout] 288 | | new_bucket, [INFO] [stdout] 289 | | Ordering::Release, [INFO] [stdout] 290 | | Ordering::Relaxed, [INFO] [stdout] 291 | | guard, [INFO] [stdout] 292 | | ) { [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] [stderr] error: could not compile `cht` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "060d8f02053dfd90b7a9a784fed618801cec926a2fb552996f7e3ebfe2a8ad48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "060d8f02053dfd90b7a9a784fed618801cec926a2fb552996f7e3ebfe2a8ad48", kill_on_drop: false }` [INFO] [stdout] 060d8f02053dfd90b7a9a784fed618801cec926a2fb552996f7e3ebfe2a8ad48