[INFO] fetching crate cop 0.2.0... [INFO] checking cop-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate cop 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate cop 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cop 0.2.0 [INFO] finished tweaking crates.io crate cop 0.2.0 [INFO] tweaked toml for crates.io crate cop 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.4.8 (available: v0.8.11) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding hashbrown v0.9.1 (available: v0.14.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1835175c0ce5ac274a43272c1490d2abbfd8113db423fa04a694dde0c300c96 [INFO] running `Command { std: "docker" "start" "-a" "b1835175c0ce5ac274a43272c1490d2abbfd8113db423fa04a694dde0c300c96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1835175c0ce5ac274a43272c1490d2abbfd8113db423fa04a694dde0c300c96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1835175c0ce5ac274a43272c1490d2abbfd8113db423fa04a694dde0c300c96", kill_on_drop: false }` [INFO] [stdout] b1835175c0ce5ac274a43272c1490d2abbfd8113db423fa04a694dde0c300c96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 370ff01e0c3503bbd53296a76416d22c68639709809e5640acecc304a297df85 [INFO] running `Command { std: "docker" "start" "-a" "370ff01e0c3503bbd53296a76416d22c68639709809e5640acecc304a297df85", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ahash v0.4.8 [INFO] [stderr] Checking colosseum v0.2.2 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Checking tptp v0.31.1 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking cop v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `(core::option::Option>, core::option::Option>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/role.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn join(mut self) -> Option> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 47 | let mut th = self.remove(&Role::Other); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | let mut cj = self.remove(&Role::Conjecture); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | match (th.pop(), cj.pop()) { [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 `(core::option::Option>, core::option::Option>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/role.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn join(mut self) -> Option> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 47 | let mut th = self.remove(&Role::Other); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | let mut cj = self.remove(&Role::Conjecture); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | match (th.pop(), cj.pop()) { [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 `cop` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cop` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "370ff01e0c3503bbd53296a76416d22c68639709809e5640acecc304a297df85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "370ff01e0c3503bbd53296a76416d22c68639709809e5640acecc304a297df85", kill_on_drop: false }` [INFO] [stdout] 370ff01e0c3503bbd53296a76416d22c68639709809e5640acecc304a297df85