[INFO] fetching crate boa_gc 0.19.1... [INFO] checking boa_gc-0.19.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate boa_gc 0.19.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate boa_gc 0.19.1 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 boa_gc 0.19.1 [INFO] finished tweaking crates.io crate boa_gc 0.19.1 [INFO] tweaked toml for crates.io crate boa_gc 0.19.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 26 packages to latest compatible versions [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02af9dbf0a895968b47985048b1700febb5f7c6230b5cb4c3d3ec7be4ba2f5ae [INFO] running `Command { std: "docker" "start" "-a" "02af9dbf0a895968b47985048b1700febb5f7c6230b5cb4c3d3ec7be4ba2f5ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02af9dbf0a895968b47985048b1700febb5f7c6230b5cb4c3d3ec7be4ba2f5ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02af9dbf0a895968b47985048b1700febb5f7c6230b5cb4c3d3ec7be4ba2f5ae", kill_on_drop: false }` [INFO] [stdout] 02af9dbf0a895968b47985048b1700febb5f7c6230b5cb4c3d3ec7be4ba2f5ae [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e70080c7658004ecc02c0fe74a3bd9b7fc236be5d1aaa3501acc17a6bb69602 [INFO] running `Command { std: "docker" "start" "-a" "0e70080c7658004ecc02c0fe74a3bd9b7fc236be5d1aaa3501acc17a6bb69602", kill_on_drop: false }` [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking boa_profiler v0.19.1 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling boa_macros v0.19.1 [INFO] [stderr] Checking boa_gc v0.19.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/internals/vtable.rs:51:19 [INFO] [stdout] | [INFO] [stdout] 51 | size: std::mem::size_of::>(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W unused-qualifications` [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 51 - size: std::mem::size_of::>(), [INFO] [stdout] 51 + size: size_of::>(), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:134:28 [INFO] [stdout] | [INFO] [stdout] 134 | let element_size = mem::size_of_val::>(&value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 134 - let element_size = mem::size_of_val::>(&value); [INFO] [stdout] 134 + let element_size = size_of_val::>(&value); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:154:28 [INFO] [stdout] | [INFO] [stdout] 154 | let element_size = mem::size_of_val::>(&value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 154 - let element_size = mem::size_of_val::>(&value); [INFO] [stdout] 154 + let element_size = size_of_val::>(&value); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:529:41 [INFO] [stdout] | [INFO] [stdout] 529 | let unallocated_bytes = mem::size_of_val(&*unmarked_eph); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 529 - let unallocated_bytes = mem::size_of_val(&*unmarked_eph); [INFO] [stdout] 529 + let unallocated_bytes = size_of_val(&*unmarked_eph); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/internals/vtable.rs:51:19 [INFO] [stdout] | [INFO] [stdout] 51 | size: std::mem::size_of::>(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W unused-qualifications` [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 51 - size: std::mem::size_of::>(), [INFO] [stdout] 51 + size: size_of::>(), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:134:28 [INFO] [stdout] | [INFO] [stdout] 134 | let element_size = mem::size_of_val::>(&value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 134 - let element_size = mem::size_of_val::>(&value); [INFO] [stdout] 134 + let element_size = size_of_val::>(&value); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:154:28 [INFO] [stdout] | [INFO] [stdout] 154 | let element_size = mem::size_of_val::>(&value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 154 - let element_size = mem::size_of_val::>(&value); [INFO] [stdout] 154 + let element_size = size_of_val::>(&value); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:529:41 [INFO] [stdout] | [INFO] [stdout] 529 | let unallocated_bytes = mem::size_of_val(&*unmarked_eph); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 529 - let unallocated_bytes = mem::size_of_val(&*unmarked_eph); [INFO] [stdout] 529 + let unallocated_bytes = size_of_val(&*unmarked_eph); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/test/allocation.rs:46:29 [INFO] [stdout] | [INFO] [stdout] 46 | const SIZE: usize = std::mem::size_of::>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 46 - const SIZE: usize = std::mem::size_of::>(); [INFO] [stdout] 46 + const SIZE: usize = size_of::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/test/weak.rs:157:25 [INFO] [stdout] | [INFO] [stdout] 157 | let root_size = std::mem::size_of::>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 157 - let root_size = std::mem::size_of::>(); [INFO] [stdout] 157 + let root_size = size_of::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/test/weak.rs:186:25 [INFO] [stdout] | [INFO] [stdout] 186 | let root_size = std::mem::size_of::>>>>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 186 - let root_size = std::mem::size_of::>>>>(); [INFO] [stdout] 186 + let root_size = size_of::>>>>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Gc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/test/weak.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 11 | let gc_value = Gc::new(3); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 14 | let cloned_gc = gc_value.clone(); [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 `Gc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/test/weak.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 34 | let gc_value = Gc::new(3); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | let cloned_gc = gc_value.clone(); [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] error: this value of type `Gc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/test/weak.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 63 | let gc_value = Gc::new(String::from("foo")); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | let cloned_gc = gc_value.clone(); [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] error: aborting due to 3 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `boa_gc` (lib test) due to 4 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0e70080c7658004ecc02c0fe74a3bd9b7fc236be5d1aaa3501acc17a6bb69602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e70080c7658004ecc02c0fe74a3bd9b7fc236be5d1aaa3501acc17a6bb69602", kill_on_drop: false }` [INFO] [stdout] 0e70080c7658004ecc02c0fe74a3bd9b7fc236be5d1aaa3501acc17a6bb69602