[INFO] fetching crate tree_decorator 0.1.2... [INFO] checking tree_decorator-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tree_decorator 0.1.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tree_decorator 0.1.2 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 tree_decorator 0.1.2 [INFO] finished tweaking crates.io crate tree_decorator 0.1.2 [INFO] tweaked toml for crates.io crate tree_decorator 0.1.2 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 37 packages to latest compatible versions [INFO] [stderr] Adding colored v1.9.4 (latest: v2.1.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding simple_logger v1.16.0 (latest: v5.0.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-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] fc26cc49210968f37002ea58e022565e11bce2cc81b84e830fef5b22974d70b3 [INFO] running `Command { std: "docker" "start" "-a" "fc26cc49210968f37002ea58e022565e11bce2cc81b84e830fef5b22974d70b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc26cc49210968f37002ea58e022565e11bce2cc81b84e830fef5b22974d70b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc26cc49210968f37002ea58e022565e11bce2cc81b84e830fef5b22974d70b3", kill_on_drop: false }` [INFO] [stdout] fc26cc49210968f37002ea58e022565e11bce2cc81b84e830fef5b22974d70b3 [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] 30c58ef5b5c676f51c3709680ac4439e7dbf58d38ac695ac795622f06be4ac7e [INFO] running `Command { std: "docker" "start" "-a" "30c58ef5b5c676f51c3709680ac4439e7dbf58d38ac695ac795622f06be4ac7e", kill_on_drop: false }` [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking num_threads v0.1.7 [INFO] [stderr] Checking tree_decorator v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking colored v1.9.4 [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | &mut ELEMENT_HANDLER [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 167 | addr_of_mut!(ELEMENT_HANDLER) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `style` is never read [INFO] [stdout] --> src/element_handler.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 110 | struct Block { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 111 | pub representation: String, [INFO] [stdout] 112 | pub style: Style [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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/decorator_builder.rs:35:50 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn with(decorator: D) -> Self { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | Self::with_ref(Box::::leak::<'static>(Box::new(decorator))) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tree_decorator` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "30c58ef5b5c676f51c3709680ac4439e7dbf58d38ac695ac795622f06be4ac7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30c58ef5b5c676f51c3709680ac4439e7dbf58d38ac695ac795622f06be4ac7e", kill_on_drop: false }` [INFO] [stdout] 30c58ef5b5c676f51c3709680ac4439e7dbf58d38ac695ac795622f06be4ac7e