[INFO] fetching crate bounded-collections 0.2.0... [INFO] checking bounded-collections-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate bounded-collections 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate bounded-collections 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bounded-collections 0.2.0 [INFO] finished tweaking crates.io crate bounded-collections 0.2.0 [INFO] tweaked toml for crates.io crate bounded-collections 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 37 packages to latest compatible versions [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding radium v0.7.0 (available: v1.1.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding wyz v0.5.1 (available: v0.6.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afdaf89a0de555542eeee882844230b259d6dc8c520f0937c1a3f84f4d7d2589 [INFO] running `Command { std: "docker" "start" "-a" "afdaf89a0de555542eeee882844230b259d6dc8c520f0937c1a3f84f4d7d2589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afdaf89a0de555542eeee882844230b259d6dc8c520f0937c1a3f84f4d7d2589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afdaf89a0de555542eeee882844230b259d6dc8c520f0937c1a3f84f4d7d2589", kill_on_drop: false }` [INFO] [stdout] afdaf89a0de555542eeee882844230b259d6dc8c520f0937c1a3f84f4d7d2589 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38563752683b1073bd71fc79b93a94f2e35a59a0c04edb43a48646ca056569e4 [INFO] running `Command { std: "docker" "start" "-a" "38563752683b1073bd71fc79b93a94f2e35a59a0c04edb43a48646ca056569e4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling parity-scale-codec-derive v3.6.12 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Compiling scale-info-derive v2.11.3 [INFO] [stderr] Checking parity-scale-codec v3.6.12 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking scale-info v2.11.3 [INFO] [stderr] Checking bounded-collections v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `serde_json::Error` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bounded_btree_set.rs:636:9 [INFO] [stdout] | [INFO] [stdout] 632 | let c: Result>, serde_json::error::Error> = [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 636 | Err(msg) => assert_eq!(msg.to_string(), "out of bounds at line 1 column 11"), [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: this value of type `serde_json::Error` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bounded_vec.rs:1226:8 [INFO] [stdout] | [INFO] [stdout] 1223 | let c: Result>, serde_json::error::Error> = serde_json::from_str(r#"[0,1,2,3,4]"#); [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1226 | Err(msg) => assert_eq!(msg.to_string(), "out of bounds at line 1 column 11"), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Foo` is never constructed [INFO] [stdout] --> src/bounded_btree_map.rs:659:10 [INFO] [stdout] | [INFO] [stdout] 659 | struct Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Foo` is never constructed [INFO] [stdout] --> src/bounded_btree_set.rs:583:10 [INFO] [stdout] | [INFO] [stdout] 583 | struct Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Foo` is never constructed [INFO] [stdout] --> src/bounded_vec.rs:1364:10 [INFO] [stdout] | [INFO] [stdout] 1364 | struct Foo<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bounded-collections` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "38563752683b1073bd71fc79b93a94f2e35a59a0c04edb43a48646ca056569e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38563752683b1073bd71fc79b93a94f2e35a59a0c04edb43a48646ca056569e4", kill_on_drop: false }` [INFO] [stdout] 38563752683b1073bd71fc79b93a94f2e35a59a0c04edb43a48646ca056569e4