[INFO] fetching crate aoc2023 0.1.0... [INFO] checking aoc2023-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate aoc2023 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate aoc2023 0.1.0 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 aoc2023 0.1.0 [INFO] finished tweaking crates.io crate aoc2023 0.1.0 [INFO] tweaked toml for crates.io crate aoc2023 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate aoc2023 0.1.0 already has a lockfile, it will not be regenerated [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c32bf369d57ea52633ea25b732cea7ffba461a74ff88759cecea6415f32e9bab [INFO] running `Command { std: "docker" "start" "-a" "c32bf369d57ea52633ea25b732cea7ffba461a74ff88759cecea6415f32e9bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c32bf369d57ea52633ea25b732cea7ffba461a74ff88759cecea6415f32e9bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c32bf369d57ea52633ea25b732cea7ffba461a74ff88759cecea6415f32e9bab", kill_on_drop: false }` [INFO] [stdout] c32bf369d57ea52633ea25b732cea7ffba461a74ff88759cecea6415f32e9bab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cc1a19597bcfe8d615de4ee41f12e83cefc2cb7ee2cc1b1709ebf530beb55945 [INFO] running `Command { std: "docker" "start" "-a" "cc1a19597bcfe8d615de4ee41f12e83cefc2cb7ee2cc1b1709ebf530beb55945", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling rustix v0.38.20 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking clap_builder v4.4.7 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking aoc2023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(return_position_impl_trait_in_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stdout] error: this value of type `impl std::fmt::Display` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:83:29 [INFO] [stdout] | [INFO] [stdout] 76 | fn solve(self) -> Solution [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 83 | part1: Box::new(self.part_1().to_string()), [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2023` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "cc1a19597bcfe8d615de4ee41f12e83cefc2cb7ee2cc1b1709ebf530beb55945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc1a19597bcfe8d615de4ee41f12e83cefc2cb7ee2cc1b1709ebf530beb55945", kill_on_drop: false }` [INFO] [stdout] cc1a19597bcfe8d615de4ee41f12e83cefc2cb7ee2cc1b1709ebf530beb55945