[INFO] fetching crate inkling 0.12.5... [INFO] building inkling-0.12.5 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate inkling 0.12.5 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate inkling 0.12.5 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate inkling 0.12.5 [INFO] finished tweaking crates.io crate inkling 0.12.5 [INFO] tweaked toml for crates.io crate inkling 0.12.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate inkling 0.12.5 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded serde_derive v1.0.97 [INFO] [stderr] Downloaded serde v1.0.97 [INFO] [stderr] Downloaded syn v0.15.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35327a2a0dcadc7f5c8a448988c793f22414bd479c38a48c48ef9c917b7ba8c6 [INFO] running `Command { std: "docker" "start" "-a" "35327a2a0dcadc7f5c8a448988c793f22414bd479c38a48c48ef9c917b7ba8c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35327a2a0dcadc7f5c8a448988c793f22414bd479c38a48c48ef9c917b7ba8c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35327a2a0dcadc7f5c8a448988c793f22414bd479c38a48c48ef9c917b7ba8c6", kill_on_drop: false }` [INFO] [stdout] 35327a2a0dcadc7f5c8a448988c793f22414bd479c38a48c48ef9c917b7ba8c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b94ee423f259dd630e68799c1d812f70d3138d904a6ea38f3429b0c6fb604ce2 [INFO] running `Command { std: "docker" "start" "-a" "b94ee423f259dd630e68799c1d812f70d3138d904a6ea38f3429b0c6fb604ce2", kill_on_drop: false }` [INFO] [stderr] Compiling inkling v0.12.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `get_stitch` [INFO] [stdout] --> src/knot/mod.rs:12:61 [INFO] [stdout] | [INFO] [stdout] 12 | get_empty_knot_counts, get_mut_stitch, get_num_visited, get_stitch, increment_num_visited, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `builders::RootNodeBuilder` [INFO] [stdout] --> src/node/mod.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub use node::{builders::RootNodeBuilder, Branch, NodeItem, RootNode}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parse::read_story_content_from_string` [INFO] [stdout] --> src/story/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub use parse::read_story_content_from_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/story/parse.rs:281:11 [INFO] [stdout] | [INFO] [stdout] 263 | let mut line_errors = Vec::new(); [INFO] [stdout] | --------------- [INFO] [stdout] | | [INFO] [stdout] | `line_errors` calls a custom destructor [INFO] [stdout] | `line_errors` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 281 | match parse_stitch_from_lines(&lines, knot_name, &stitch_name, meta_data) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 294 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `line_errors` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_item` is never used [INFO] [stdout] --> src/node/follow.rs:256:8 [INFO] [stdout] | [INFO] [stdout] 168 | pub trait FollowInternal: fmt::Debug { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 256 | fn get_item(&self, index: usize) -> Option<&NodeItem>; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `inkling` (lib) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b94ee423f259dd630e68799c1d812f70d3138d904a6ea38f3429b0c6fb604ce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b94ee423f259dd630e68799c1d812f70d3138d904a6ea38f3429b0c6fb604ce2", kill_on_drop: false }` [INFO] [stdout] b94ee423f259dd630e68799c1d812f70d3138d904a6ea38f3429b0c6fb604ce2