[INFO] fetching crate unbounded-spsc 0.1.9... [INFO] checking unbounded-spsc-0.1.9 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate unbounded-spsc 0.1.9 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate unbounded-spsc 0.1.9 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 unbounded-spsc 0.1.9 [INFO] finished tweaking crates.io crate unbounded-spsc 0.1.9 [INFO] tweaked toml for crates.io crate unbounded-spsc 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate unbounded-spsc 0.1.9 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" "+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] 81dcd543c4bec39a5e992fd198a817804c0fe314a3da1259f7c4957d7fa3a7c3 [INFO] running `Command { std: "docker" "start" "-a" "81dcd543c4bec39a5e992fd198a817804c0fe314a3da1259f7c4957d7fa3a7c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81dcd543c4bec39a5e992fd198a817804c0fe314a3da1259f7c4957d7fa3a7c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81dcd543c4bec39a5e992fd198a817804c0fe314a3da1259f7c4957d7fa3a7c3", kill_on_drop: false }` [INFO] [stdout] 81dcd543c4bec39a5e992fd198a817804c0fe314a3da1259f7c4957d7fa3a7c3 [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] 5e863cf3c90accbc842e0e7ffd639d95ebf9eabdb618a6c4f224fdb48fc512d8 [INFO] running `Command { std: "docker" "start" "-a" "5e863cf3c90accbc842e0e7ffd639d95ebf9eabdb618a6c4f224fdb48fc512d8", kill_on_drop: false }` [INFO] [stderr] Checking bounded-spsc-queue v0.4.0 [INFO] [stderr] Checking unbounded-spsc v0.1.9 (/opt/rustwide/workdir) [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/lib.rs:140:11 [INFO] [stdout] | [INFO] [stdout] 136 | let (wait_token, signal_token) = blocking::tokens(); [INFO] [stdout] | ---------- ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | match self.try_recv() { [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/lib.rs:213:11 [INFO] [stdout] | [INFO] [stdout] 205 | let (wait_token, signal_token) = blocking::tokens(); [INFO] [stdout] | ---------- ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 213 | match self.try_recv() { [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/lib.rs:242:10 [INFO] [stdout] | [INFO] [stdout] 223 | fn decrement (&self, token : blocking::SignalToken) [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 242 | Err (unsafe { blocking::SignalToken::cast_from_usize (ptr) }) [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/lib.rs:256:11 [INFO] [stdout] | [INFO] [stdout] 253 | pub fn start_selection (&self, token : blocking::SignalToken) [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 256 | match self.decrement (token) { [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unbounded-spsc` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:140:11 [INFO] [stdout] | [INFO] [stdout] 136 | let (wait_token, signal_token) = blocking::tokens(); [INFO] [stdout] | ---------- ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | match self.try_recv() { [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/lib.rs:213:11 [INFO] [stdout] | [INFO] [stdout] 205 | let (wait_token, signal_token) = blocking::tokens(); [INFO] [stdout] | ---------- ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 213 | match self.try_recv() { [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/lib.rs:242:10 [INFO] [stdout] | [INFO] [stdout] 223 | fn decrement (&self, token : blocking::SignalToken) [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 242 | Err (unsafe { blocking::SignalToken::cast_from_usize (ptr) }) [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/lib.rs:256:11 [INFO] [stdout] | [INFO] [stdout] 253 | pub fn start_selection (&self, token : blocking::SignalToken) [INFO] [stdout] | ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 256 | match self.decrement (token) { [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unbounded-spsc` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "5e863cf3c90accbc842e0e7ffd639d95ebf9eabdb618a6c4f224fdb48fc512d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e863cf3c90accbc842e0e7ffd639d95ebf9eabdb618a6c4f224fdb48fc512d8", kill_on_drop: false }` [INFO] [stdout] 5e863cf3c90accbc842e0e7ffd639d95ebf9eabdb618a6c4f224fdb48fc512d8