[INFO] fetching crate crumble 0.10.2... [INFO] checking crumble-0.10.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate crumble 0.10.2 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate crumble 0.10.2 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 crumble 0.10.2 [INFO] finished tweaking crates.io crate crumble 0.10.2 [INFO] tweaked toml for crates.io crate crumble 0.10.2 written to /workspace/builds/worker-0-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 45 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.10.1 (available: v0.22.1) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4f7715606fe1d840ae8b80d52e76e3c2f5f259d21ebff17c24f5dec19157106a [INFO] running `Command { std: "docker" "start" "-a" "4f7715606fe1d840ae8b80d52e76e3c2f5f259d21ebff17c24f5dec19157106a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f7715606fe1d840ae8b80d52e76e3c2f5f259d21ebff17c24f5dec19157106a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f7715606fe1d840ae8b80d52e76e3c2f5f259d21ebff17c24f5dec19157106a", kill_on_drop: false }` [INFO] [stdout] 4f7715606fe1d840ae8b80d52e76e3c2f5f259d21ebff17c24f5dec19157106a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 53a87e99e4678c67255d7f904e3f60847ce0b3a0e38eba6b19ff61ccda7bbb2a [INFO] running `Command { std: "docker" "start" "-a" "53a87e99e4678c67255d7f904e3f60847ce0b3a0e38eba6b19ff61ccda7bbb2a", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking crumble v0.10.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:191:13 [INFO] [stdout] | [INFO] [stdout] 188 | let message = Message::new(&plain); [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] ... [INFO] [stdout] 191 | Err(e) => panic!("Could not parse email: {:?}", e), [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 `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:243:13 [INFO] [stdout] | [INFO] [stdout] 240 | let email = Message::new(&multipart); [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] ... [INFO] [stdout] 243 | Err(e) => panic!("Could not parse email: {:?}", e), [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: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:294:13 [INFO] [stdout] | [INFO] [stdout] 291 | let email = Message::new(&multipart); [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] ... [INFO] [stdout] 294 | Err(e) => panic!("Could not parse email: {:?}", e), [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: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:402:13 [INFO] [stdout] | [INFO] [stdout] 399 | let email = Message::new(&multipart); [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] ... [INFO] [stdout] 402 | Err(e) => panic!("Could not parse email: {:?}", e), [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: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:546:13 [INFO] [stdout] | [INFO] [stdout] 543 | let message = Message::new(&nested); [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] ... [INFO] [stdout] 546 | Err(e) => panic!("Could not parse email: {:?}", e), [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] warning: unused variable: `email` [INFO] [stdout] --> src/tests.rs:635:9 [INFO] [stdout] | [INFO] [stdout] 635 | let email = Message::new(&message); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_email` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `prepare_gmail` is never used [INFO] [stdout] --> src/tests.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn prepare_gmail() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crumble` (lib test) due to 6 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "53a87e99e4678c67255d7f904e3f60847ce0b3a0e38eba6b19ff61ccda7bbb2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53a87e99e4678c67255d7f904e3f60847ce0b3a0e38eba6b19ff61ccda7bbb2a", kill_on_drop: false }` [INFO] [stdout] 53a87e99e4678c67255d7f904e3f60847ce0b3a0e38eba6b19ff61ccda7bbb2a