[INFO] fetching crate serde-html 0.0.1... [INFO] checking serde-html-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate serde-html 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate serde-html 0.0.1 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 serde-html 0.0.1 [INFO] finished tweaking crates.io crate serde-html 0.0.1 [INFO] tweaked toml for crates.io crate serde-html 0.0.1 written to /workspace/builds/worker-7-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 10 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd724fd954c20627ed94b9deff020932999302fa2ef20ce1b4743cc12e13a0b6 [INFO] running `Command { std: "docker" "start" "-a" "bd724fd954c20627ed94b9deff020932999302fa2ef20ce1b4743cc12e13a0b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd724fd954c20627ed94b9deff020932999302fa2ef20ce1b4743cc12e13a0b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd724fd954c20627ed94b9deff020932999302fa2ef20ce1b4743cc12e13a0b6", kill_on_drop: false }` [INFO] [stdout] bd724fd954c20627ed94b9deff020932999302fa2ef20ce1b4743cc12e13a0b6 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78066bec9b4f6e645ba08bd2e43bda7171f715bc3bfa4f1f63a250a4ee9a2194 [INFO] running `Command { std: "docker" "start" "-a" "78066bec9b4f6e645ba08bd2e43bda7171f715bc3bfa4f1f63a250a4ee9a2194", kill_on_drop: false }` [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde-html v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::ops::AddAssign` [INFO] [stdout] --> src/traits/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use core::ops::AddAssign; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![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] [stdout] warning: unused import: `core::ops::AddAssign` [INFO] [stdout] --> src/traits/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use core::ops::AddAssign; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![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] [stdout] warning: use of deprecated method `indexmap::IndexSet::::remove`: `remove` disrupts the set order -- use `swap_remove` or `shift_remove` for explicit behavior. [INFO] [stdout] --> src/traits/edit.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | self.classes.remove(class) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AttributePair` is never constructed [INFO] [stdout] --> src/values/mod.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct AttributePair { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AttributePair` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/traits/mod.rs:88:15 [INFO] [stdout] | [INFO] [stdout] 87 | fn set_child(&mut self, index: usize, child: T) -> bool where T: Into { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | match self.mut_children().nth(index) { [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] warning: use of deprecated method `indexmap::IndexSet::::remove`: `remove` disrupts the set order -- use `swap_remove` or `shift_remove` for explicit behavior. [INFO] [stdout] --> src/traits/edit.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | self.classes.remove(class) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde-html` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `AttributePair` is never constructed [INFO] [stdout] --> src/values/mod.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct AttributePair { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AttributePair` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/traits/mod.rs:88:15 [INFO] [stdout] | [INFO] [stdout] 87 | fn set_child(&mut self, index: usize, child: T) -> bool where T: Into { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | match self.mut_children().nth(index) { [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde-html` (lib) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "78066bec9b4f6e645ba08bd2e43bda7171f715bc3bfa4f1f63a250a4ee9a2194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78066bec9b4f6e645ba08bd2e43bda7171f715bc3bfa4f1f63a250a4ee9a2194", kill_on_drop: false }` [INFO] [stdout] 78066bec9b4f6e645ba08bd2e43bda7171f715bc3bfa4f1f63a250a4ee9a2194