[INFO] fetching crate atomicring 1.2.9... [INFO] checking atomicring-1.2.9 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate atomicring 1.2.9 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate atomicring 1.2.9 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate atomicring 1.2.9 [INFO] finished tweaking crates.io crate atomicring 1.2.9 [INFO] tweaked toml for crates.io crate atomicring 1.2.9 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.10) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.3) [INFO] [stderr] Adding serial_test v0.5.1 (latest: v3.1.1) [INFO] [stderr] Adding serial_test_derive v0.5.1 (latest: v3.1.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4291b06606c4990aa8c4711b91261c303e8648cbffbd69fe5e443aedfc4bfd4 [INFO] running `Command { std: "docker" "start" "-a" "e4291b06606c4990aa8c4711b91261c303e8648cbffbd69fe5e443aedfc4bfd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4291b06606c4990aa8c4711b91261c303e8648cbffbd69fe5e443aedfc4bfd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4291b06606c4990aa8c4711b91261c303e8648cbffbd69fe5e443aedfc4bfd4", kill_on_drop: false }` [INFO] [stdout] e4291b06606c4990aa8c4711b91261c303e8648cbffbd69fe5e443aedfc4bfd4 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29aee4ce08b4bc54a16c703a2fa5d3e29b84f2a4515d717ce8ed4c67f23f3a90 [INFO] running `Command { std: "docker" "start" "-a" "29aee4ce08b4bc54a16c703a2fa5d3e29b84f2a4515d717ce8ed4c67f23f3a90", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking mpmc v0.1.6 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking atomicring v1.2.9 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/atomic_ring.rs:112:31 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn try_write(&self, writer: F) -> Result<(), ()> { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 112 | self.try_unsafe_write(|cell| unsafe { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 113 | | if mem::size_of::() != 0 { [INFO] [stdout] 114 | | ptr::write(cell, Default::default()); [INFO] [stdout] 115 | | } [INFO] [stdout] 116 | | writer(&mut (*cell)); [INFO] [stdout] 117 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/atomic_ring.rs:238:38 [INFO] [stdout] | [INFO] [stdout] 237 | pub fn try_unsafe_write(&self, writer: F) -> Result<(), ()> { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 238 | self.try_unsafe_write_or((), |dst, _| { writer(dst) }, |_| {}) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/atomic_ring.rs:389:30 [INFO] [stdout] | [INFO] [stdout] 388 | pub fn try_read U>(&self, reader: F) -> Option { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 389 | self.try_read_nodrop(|cell| unsafe { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 390 | | let result = reader(&mut (*cell)); [INFO] [stdout] 391 | | ptr::drop_in_place(cell); [INFO] [stdout] 392 | | result [INFO] [stdout] 393 | | }) [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: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `atomicring` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "29aee4ce08b4bc54a16c703a2fa5d3e29b84f2a4515d717ce8ed4c67f23f3a90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29aee4ce08b4bc54a16c703a2fa5d3e29b84f2a4515d717ce8ed4c67f23f3a90", kill_on_drop: false }` [INFO] [stdout] 29aee4ce08b4bc54a16c703a2fa5d3e29b84f2a4515d717ce8ed4c67f23f3a90