[INFO] fetching crate sandpit 0.2.5... [INFO] checking sandpit-0.2.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate sandpit 0.2.5 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate sandpit 0.2.5 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 sandpit 0.2.5 [INFO] finished tweaking crates.io crate sandpit 0.2.5 [INFO] tweaked toml for crates.io crate sandpit 0.2.5 written to /workspace/builds/worker-2-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 71 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ad63a056d1884d43810ad8f9ef6b4b848f1925e0ff05e2b51e9e8e9f5ff0bb78 [INFO] running `Command { std: "docker" "start" "-a" "ad63a056d1884d43810ad8f9ef6b4b848f1925e0ff05e2b51e9e8e9f5ff0bb78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad63a056d1884d43810ad8f9ef6b4b848f1925e0ff05e2b51e9e8e9f5ff0bb78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad63a056d1884d43810ad8f9ef6b4b848f1925e0ff05e2b51e9e8e9f5ff0bb78", kill_on_drop: false }` [INFO] [stdout] ad63a056d1884d43810ad8f9ef6b4b848f1925e0ff05e2b51e9e8e9f5ff0bb78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 82fa966e57fe914e874b5bf887ecddc1e50d67a1f93a5660da78cf44582dfae9 [INFO] running `Command { std: "docker" "start" "-a" "82fa966e57fe914e874b5bf887ecddc1e50d67a1f93a5660da78cf44582dfae9", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling sandpit_derive v0.2.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking sandpit v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result, ::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mutator.rs:71:15 [INFO] [stdout] | [INFO] [stdout] 62 | fn alloc(&self, obj: T) -> Result, GcError> { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 71 | match self.allocator.alloc(layout) { [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 `sandpit` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "82fa966e57fe914e874b5bf887ecddc1e50d67a1f93a5660da78cf44582dfae9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82fa966e57fe914e874b5bf887ecddc1e50d67a1f93a5660da78cf44582dfae9", kill_on_drop: false }` [INFO] [stdout] 82fa966e57fe914e874b5bf887ecddc1e50d67a1f93a5660da78cf44582dfae9