[INFO] fetching crate protobuf-support2 4.0.0-alpha.2... [INFO] checking protobuf-support2-4.0.0-alpha.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate protobuf-support2 4.0.0-alpha.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate protobuf-support2 4.0.0-alpha.2 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate protobuf-support2 4.0.0-alpha.2 [INFO] finished tweaking crates.io crate protobuf-support2 4.0.0-alpha.2 [INFO] tweaked toml for crates.io crate protobuf-support2 4.0.0-alpha.2 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c56ff0f9b419b56385bbb1a26945da0f33d48068305c315ef5a6df27bf3657f [INFO] running `Command { std: "docker" "start" "-a" "8c56ff0f9b419b56385bbb1a26945da0f33d48068305c315ef5a6df27bf3657f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c56ff0f9b419b56385bbb1a26945da0f33d48068305c315ef5a6df27bf3657f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c56ff0f9b419b56385bbb1a26945da0f33d48068305c315ef5a6df27bf3657f", kill_on_drop: false }` [INFO] [stdout] 8c56ff0f9b419b56385bbb1a26945da0f33d48068305c315ef5a6df27bf3657f [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec8ea52fefc9ecb9d30aa3df31e42edc077fd88ac0f10c6347f129564c01f97a [INFO] running `Command { std: "docker" "start" "-a" "ec8ea52fefc9ecb9d30aa3df31e42edc077fd88ac0f10c6347f129564c01f97a", kill_on_drop: false }` [INFO] [stderr] Checking protobuf-support2 v4.0.0-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lexer/tokenizer.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn next_token_if_map(&mut self, p: P) -> TokenizerResult> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 130 | let v = match self.next_token { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 131 | Some(ref token) => match p(&token.token) { [INFO] [stdout] 132 | Some(v) => v, [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 138 | Ok(Some(v)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lexer/tokenizer.rs:159:32 [INFO] [stdout] | [INFO] [stdout] 155 | fn next_token_if

(&mut self, p: P) -> TokenizerResult> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 159 | self.next_token_if_map(|token| if p(token) { Some(token.clone()) } else { None }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lexer/tokenizer.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn next_token_if_map(&mut self, p: P) -> TokenizerResult> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 130 | let v = match self.next_token { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 131 | Some(ref token) => match p(&token.token) { [INFO] [stdout] 132 | Some(v) => v, [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 138 | Ok(Some(v)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lexer/tokenizer.rs:159:32 [INFO] [stdout] | [INFO] [stdout] 155 | fn next_token_if

(&mut self, p: P) -> TokenizerResult> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 159 | self.next_token_if_map(|token| if p(token) { Some(token.clone()) } else { None }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] [stderr] error: could not compile `protobuf-support2` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `protobuf-support2` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "ec8ea52fefc9ecb9d30aa3df31e42edc077fd88ac0f10c6347f129564c01f97a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec8ea52fefc9ecb9d30aa3df31e42edc077fd88ac0f10c6347f129564c01f97a", kill_on_drop: false }` [INFO] [stdout] ec8ea52fefc9ecb9d30aa3df31e42edc077fd88ac0f10c6347f129564c01f97a