[INFO] fetching crate ambassador 0.4.1... [INFO] checking ambassador-0.4.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ambassador 0.4.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate ambassador 0.4.1 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 ambassador 0.4.1 [INFO] finished tweaking crates.io crate ambassador 0.4.1 [INFO] tweaked toml for crates.io crate ambassador 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 57 packages to latest compatible versions [INFO] [stderr] Adding compiletest_rs v0.8.0 (available: v0.11.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding miow v0.3.7 (available: v0.6.0) [INFO] [stderr] Adding rustfix v0.6.1 (available: v0.8.5) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding term v0.7.0 (available: v1.0.0) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8a0d52771f5f1a88e43a5117d6c7c188fbd746aa991e46222dfa541bac9f8c6e [INFO] running `Command { std: "docker" "start" "-a" "8a0d52771f5f1a88e43a5117d6c7c188fbd746aa991e46222dfa541bac9f8c6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a0d52771f5f1a88e43a5117d6c7c188fbd746aa991e46222dfa541bac9f8c6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a0d52771f5f1a88e43a5117d6c7c188fbd746aa991e46222dfa541bac9f8c6e", kill_on_drop: false }` [INFO] [stdout] 8a0d52771f5f1a88e43a5117d6c7c188fbd746aa991e46222dfa541bac9f8c6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1082f60ff04a1bf27441daf17cd037eccb3133e03df69b327a4b47077b7599f1 [INFO] running `Command { std: "docker" "start" "-a" "1082f60ff04a1bf27441daf17cd037eccb3133e03df69b327a4b47077b7599f1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling compiletest_rs v0.8.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking tester v0.9.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking ambassador v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/derive.rs:40:23 [INFO] [stdout] | [INFO] [stdout] 37 | let iter = enum_data.variants.into_iter().map(|n| { [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let span = n.span(); [INFO] [stdout] 39 | let mut it = n.fields.into_iter(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | match it.next() { [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 `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/register.rs:228:23 [INFO] [stdout] | [INFO] [stdout] 228 | if let Some(e1) = iter.next() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 229 | let iter = IntoIterator::into_iter([e0, e1]).chain(iter); [INFO] [stdout] 230 | Some(quote!(all(#(#iter)*))) [INFO] [stdout] | ---------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ambassador` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1082f60ff04a1bf27441daf17cd037eccb3133e03df69b327a4b47077b7599f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1082f60ff04a1bf27441daf17cd037eccb3133e03df69b327a4b47077b7599f1", kill_on_drop: false }` [INFO] [stdout] 1082f60ff04a1bf27441daf17cd037eccb3133e03df69b327a4b47077b7599f1