[INFO] fetching crate may_rpc 0.1.6... [INFO] checking may_rpc-0.1.6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate may_rpc 0.1.6 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate may_rpc 0.1.6 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 may_rpc 0.1.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate may_rpc 0.1.6 [INFO] tweaked toml for crates.io crate may_rpc 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate may_rpc 0.1.6 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e47861b520cbff5ada5067b2629ae4c8bc0f6919b84c38911e3675125e13ad89 [INFO] running `Command { std: "docker" "start" "-a" "e47861b520cbff5ada5067b2629ae4c8bc0f6919b84c38911e3675125e13ad89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e47861b520cbff5ada5067b2629ae4c8bc0f6919b84c38911e3675125e13ad89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e47861b520cbff5ada5067b2629ae4c8bc0f6919b84c38911e3675125e13ad89", kill_on_drop: false }` [INFO] [stdout] e47861b520cbff5ada5067b2629ae4c8bc0f6919b84c38911e3675125e13ad89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b2ee868900874590d03248a778e708018bbbac79a7e615a13a444444af11b48e [INFO] running `Command { std: "docker" "start" "-a" "b2ee868900874590d03248a778e708018bbbac79a7e615a13a444444af11b48e", kill_on_drop: false }` [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling may_queue v0.1.22 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Compiling may v0.3.45 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Compiling syn v2.0.70 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking core_affinity v0.8.1 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking generator v0.8.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking may_waiter v0.1.15 [INFO] [stderr] Checking co_managed v0.1.0 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking env_logger v0.11.3 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling may_rpc_derive v0.1.4 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking may_rpc v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/conetty/server.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn join(mut self) -> std::thread::Result<()> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | if let Some(handle) = self.0.take() { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/conetty/server.rs:90:31 [INFO] [stdout] | [INFO] [stdout] 89 | let s = sock.lock().unwrap(); [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 90 | match s.send_to(&data, addr) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/conetty/server.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn join(mut self) -> std::thread::Result<()> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | if let Some(handle) = self.0.take() { [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/conetty/server.rs:90:31 [INFO] [stdout] | [INFO] [stdout] 89 | let s = sock.lock().unwrap(); [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 90 | match s.send_to(&data, addr) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `may_rpc` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `may_rpc` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "b2ee868900874590d03248a778e708018bbbac79a7e615a13a444444af11b48e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2ee868900874590d03248a778e708018bbbac79a7e615a13a444444af11b48e", kill_on_drop: false }` [INFO] [stdout] b2ee868900874590d03248a778e708018bbbac79a7e615a13a444444af11b48e