[INFO] fetching crate power-instruction-analyzer-proc-macro 0.2.0... [INFO] checking power-instruction-analyzer-proc-macro-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate power-instruction-analyzer-proc-macro 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate power-instruction-analyzer-proc-macro 0.2.0 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 power-instruction-analyzer-proc-macro 0.2.0 [INFO] finished tweaking crates.io crate power-instruction-analyzer-proc-macro 0.2.0 [INFO] tweaked toml for crates.io crate power-instruction-analyzer-proc-macro 0.2.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31d39446b73691e0b84d8aea0baa9a88f8f8a794238dcf02bc62a3e7f4f776fe [INFO] running `Command { std: "docker" "start" "-a" "31d39446b73691e0b84d8aea0baa9a88f8f8a794238dcf02bc62a3e7f4f776fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31d39446b73691e0b84d8aea0baa9a88f8f8a794238dcf02bc62a3e7f4f776fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31d39446b73691e0b84d8aea0baa9a88f8f8a794238dcf02bc62a3e7f4f776fe", kill_on_drop: false }` [INFO] [stdout] 31d39446b73691e0b84d8aea0baa9a88f8f8a794238dcf02bc62a3e7f4f776fe [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b99a840b23cdc75d377e28ffcd6bb2cb5f64d71c0a577de84198fbf2696518a [INFO] running `Command { std: "docker" "start" "-a" "5b99a840b23cdc75d377e28ffcd6bb2cb5f64d71c0a577de84198fbf2696518a", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Checking power-instruction-analyzer-proc-macro v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 14 | let input = parse_macro_input!(input as Instructions); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | match input.to_tokens() { [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] warning: methods `to_assembly` and `into_assembly` are never used [INFO] [stdout] --> src/inline_assembly.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 77 | pub(crate) trait ToAssembly { [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 81 | fn to_assembly(&self) -> Assembly { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | fn into_assembly(self) -> Assembly [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `power-instruction-analyzer-proc-macro` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 14 | let input = parse_macro_input!(input as Instructions); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | match input.to_tokens() { [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] warning: methods `to_assembly` and `into_assembly` are never used [INFO] [stdout] --> src/inline_assembly.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 77 | pub(crate) trait ToAssembly { [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 81 | fn to_assembly(&self) -> Assembly { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | fn into_assembly(self) -> Assembly [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `power-instruction-analyzer-proc-macro` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5b99a840b23cdc75d377e28ffcd6bb2cb5f64d71c0a577de84198fbf2696518a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b99a840b23cdc75d377e28ffcd6bb2cb5f64d71c0a577de84198fbf2696518a", kill_on_drop: false }` [INFO] [stdout] 5b99a840b23cdc75d377e28ffcd6bb2cb5f64d71c0a577de84198fbf2696518a