[INFO] fetching crate fontconfig-cache-parser 0.2.0... [INFO] checking fontconfig-cache-parser-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fontconfig-cache-parser 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate fontconfig-cache-parser 0.2.0 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 fontconfig-cache-parser 0.2.0 [INFO] finished tweaking crates.io crate fontconfig-cache-parser 0.2.0 [INFO] tweaked toml for crates.io crate fontconfig-cache-parser 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate fontconfig-cache-parser 0.2.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6b6c61213656c40c08251ad051b25bcea49198f03516f1fc7f31e1559c023822 [INFO] running `Command { std: "docker" "start" "-a" "6b6c61213656c40c08251ad051b25bcea49198f03516f1fc7f31e1559c023822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b6c61213656c40c08251ad051b25bcea49198f03516f1fc7f31e1559c023822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b6c61213656c40c08251ad051b25bcea49198f03516f1fc7f31e1559c023822", kill_on_drop: false }` [INFO] [stdout] 6b6c61213656c40c08251ad051b25bcea49198f03516f1fc7f31e1559c023822 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 90f43717d245dd09116174d1d4092690ec091e0fd5c307e428e58b84b0f5fade [INFO] running `Command { std: "docker" "start" "-a" "90f43717d245dd09116174d1d4092690ec091e0fd5c307e428e58b84b0f5fade", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking clap_builder v4.5.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [INFO] [stderr] Compiling clap_derive v4.5.0 [INFO] [stderr] Checking bytemuck v1.14.3 [INFO] [stderr] Checking fontconfig-cache-parser v0.2.0 (/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/lib.rs:310:12 [INFO] [stdout] | [INFO] [stdout] 308 | let leaves = self.leaves()?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 309 | let numbers = self.numbers()?; [INFO] [stdout] 310 | Ok(leaves.zip(numbers).flat_map(|(leaf, number)| { [INFO] [stdout] | ____________^ [INFO] [stdout] 311 | | let iter = (move || { [INFO] [stdout] 312 | | let number = (number.deref()? as u32) << 8; [INFO] [stdout] 313 | | Ok(leaf?.iter().map(move |x| x as u32 + number)) [INFO] [stdout] 314 | | })(); [INFO] [stdout] 315 | | transpose_result_iter(iter) [INFO] [stdout] 316 | | })) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |__________| [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 `fontconfig-cache-parser` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "90f43717d245dd09116174d1d4092690ec091e0fd5c307e428e58b84b0f5fade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90f43717d245dd09116174d1d4092690ec091e0fd5c307e428e58b84b0f5fade", kill_on_drop: false }` [INFO] [stdout] 90f43717d245dd09116174d1d4092690ec091e0fd5c307e428e58b84b0f5fade