[INFO] fetching crate relrc 0.3.0-rc.4... [INFO] checking relrc-0.3.0-rc.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate relrc 0.3.0-rc.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate relrc 0.3.0-rc.4 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 relrc 0.3.0-rc.4 [INFO] finished tweaking crates.io crate relrc 0.3.0-rc.4 [INFO] tweaked toml for crates.io crate relrc 0.3.0-rc.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 68 packages to latest compatible versions [INFO] [stderr] Adding convert_case v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding encode_unicode v0.3.6 (available: v1.0.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (available: v0.5.7) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0bffb987af0a71cf1d4ec08229a80630fe676bcef2d27c49eafc6b9adfef6c0 [INFO] running `Command { std: "docker" "start" "-a" "d0bffb987af0a71cf1d4ec08229a80630fe676bcef2d27c49eafc6b9adfef6c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0bffb987af0a71cf1d4ec08229a80630fe676bcef2d27c49eafc6b9adfef6c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0bffb987af0a71cf1d4ec08229a80630fe676bcef2d27c49eafc6b9adfef6c0", kill_on_drop: false }` [INFO] [stdout] d0bffb987af0a71cf1d4ec08229a80630fe676bcef2d27c49eafc6b9adfef6c0 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f47562455d73999b22fa3f78d346d8a269bdceccce964cfd51b08f3169af2c7 [INFO] running `Command { std: "docker" "start" "-a" "6f47562455d73999b22fa3f78d346d8a269bdceccce964cfd51b08f3169af2c7", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling winnow v0.6.20 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling relative-path v1.9.3 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling derive-where v1.2.7 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking similar v2.6.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Checking insta v1.40.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Compiling rstest_macros v0.22.0 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Checking relrc v0.3.0-rc.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result, Rc>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/node.rs:77:15 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn try_unwrap(this: Self) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 77 | match Rc::try_unwrap(this.0) { [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: associated function `ptr_eq` is never used [INFO] [stdout] --> src/edge.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 86 | impl WeakEdge { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn ptr_eq(this: &Self, other: &Self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `ptr_eq` is never used [INFO] [stdout] --> src/node.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 102 | impl RelWeak { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 108 | pub fn ptr_eq(this: &Self, other: &Self) -> bool { [INFO] [stdout] | ^^^^^^ [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 `relrc` (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" "6f47562455d73999b22fa3f78d346d8a269bdceccce964cfd51b08f3169af2c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f47562455d73999b22fa3f78d346d8a269bdceccce964cfd51b08f3169af2c7", kill_on_drop: false }` [INFO] [stdout] 6f47562455d73999b22fa3f78d346d8a269bdceccce964cfd51b08f3169af2c7