[INFO] fetching crate protosocket-prost 0.6.0... [INFO] checking protosocket-prost-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate protosocket-prost 0.6.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate protosocket-prost 0.6.0 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 protosocket-prost 0.6.0 [INFO] finished tweaking crates.io crate protosocket-prost 0.6.0 [INFO] tweaked toml for crates.io crate protosocket-prost 0.6.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 53 packages to latest compatible versions [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] 90095c33e07d8b3336eff4a09d8ac0c2dc542f516e7b13745096b0f8de0759e8 [INFO] running `Command { std: "docker" "start" "-a" "90095c33e07d8b3336eff4a09d8ac0c2dc542f516e7b13745096b0f8de0759e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90095c33e07d8b3336eff4a09d8ac0c2dc542f516e7b13745096b0f8de0759e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90095c33e07d8b3336eff4a09d8ac0c2dc542f516e7b13745096b0f8de0759e8", kill_on_drop: false }` [INFO] [stdout] 90095c33e07d8b3336eff4a09d8ac0c2dc542f516e7b13745096b0f8de0759e8 [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] 0099236886f6ae876b7309618a47b80dd0ed12ccc1a7e0a3f2eb9b7024b48842 [INFO] running `Command { std: "docker" "start" "-a" "0099236886f6ae876b7309618a47b80dd0ed12ccc1a7e0a3f2eb9b7024b48842", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Compiling prost-derive v0.13.3 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking prost v0.13.3 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking protosocket v0.6.0 [INFO] [stderr] Checking protosocket-prost v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/prost_serializer.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 39 | mut buffer: impl bytes::Buf, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | match ::decode_length_delimited(&mut buffer) { [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 `protosocket-prost` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/prost_serializer.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 39 | mut buffer: impl bytes::Buf, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | match ::decode_length_delimited(&mut buffer) { [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 `protosocket-prost` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0099236886f6ae876b7309618a47b80dd0ed12ccc1a7e0a3f2eb9b7024b48842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0099236886f6ae876b7309618a47b80dd0ed12ccc1a7e0a3f2eb9b7024b48842", kill_on_drop: false }` [INFO] [stdout] 0099236886f6ae876b7309618a47b80dd0ed12ccc1a7e0a3f2eb9b7024b48842