[INFO] fetching crate rcodec 1.0.1... [INFO] checking rcodec-1.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rcodec 1.0.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate rcodec 1.0.1 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 rcodec 1.0.1 [INFO] finished tweaking crates.io crate rcodec 1.0.1 [INFO] tweaked toml for crates.io crate rcodec 1.0.1 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [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] c465f41a404dd24cb12f39027dc082c5ca351eb60c33b1c568de44bc73cbc420 [INFO] running `Command { std: "docker" "start" "-a" "c465f41a404dd24cb12f39027dc082c5ca351eb60c33b1c568de44bc73cbc420", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c465f41a404dd24cb12f39027dc082c5ca351eb60c33b1c568de44bc73cbc420", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c465f41a404dd24cb12f39027dc082c5ca351eb60c33b1c568de44bc73cbc420", kill_on_drop: false }` [INFO] [stdout] c465f41a404dd24cb12f39027dc082c5ca351eb60c33b1c568de44bc73cbc420 [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] 6364332d786f48668ff84212a6bc2e45ba1ee637fb86ecc975e3992d17105d7a [INFO] running `Command { std: "docker" "start" "-a" "6364332d786f48668ff84212a6bc2e45ba1ee637fb86ecc975e3992d17105d7a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pl-hlist-derive v1.0.0 [INFO] [stderr] Checking pl-hlist v1.0.1 [INFO] [stderr] Checking rcodec v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `byte_vector::ByteVector` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/byte_vector.rs:743:24 [INFO] [stdout] | [INFO] [stdout] 730 | let lhs = from_slice_copy(&bytes); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 731 | let rhs = from_slice_copy(&bytes); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 732 | let bv = append(&lhs, &rhs); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 743 | assert_eq!(result.unwrap(), byte_vector!(1, 2, 3, 4, 1, 2)); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/macros.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | $crate::byte_vector::from_vec(vec!($($byte),*)) [INFO] [stdout] | ----------------------------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `byte_vector::ByteVector` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/byte_vector.rs:780:24 [INFO] [stdout] | [INFO] [stdout] 767 | let lhs = from_slice_copy(&bytes); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 768 | let rhs = from_slice_copy(&bytes); [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 769 | let bv = append(&lhs, &rhs); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 780 | assert_eq!(result.unwrap(), byte_vector!(3, 4)); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/macros.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | $crate::byte_vector::from_vec(vec!($($byte),*)) [INFO] [stdout] | ----------------------------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/codec.rs:823:16 [INFO] [stdout] | [INFO] [stdout] 792 | fn assert_round_trip(codec: C, value: &T, raw_bytes: &Option) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 798 | let result = codec.encode(value).and_then(|encoded| { [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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 823 | Ok(decoded) => assert_eq!(decoded, *value), [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 `Result, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/codec.rs:973:15 [INFO] [stdout] | [INFO] [stdout] 971 | let input = byte_vector!(7, 1, 2, 3, 4); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 972 | let codec = ignore(3); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 973 | match codec.decode(&input) { [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 `Result, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/codec.rs:1049:15 [INFO] [stdout] | [INFO] [stdout] 1047 | let input = byte_vector!(7, 1, 2, 3, 4); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1048 | let codec = bytes(3); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1049 | match codec.decode(&input) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/macros.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | $crate::byte_vector::from_vec(vec!($($byte),*)) [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] | [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 `Result, error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/codec.rs:1098:15 [INFO] [stdout] | [INFO] [stdout] 1096 | let input = byte_vector!(7, 1, 2, 3, 4); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1097 | let codec = fixed_size_bytes(3, uint8); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1098 | match codec.decode(&input) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/macros.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | $crate::byte_vector::from_vec(vec!($($byte),*)) [INFO] [stdout] | ----------------------------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/lib.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn assert_round_trip(codec: C, value: &T, raw_bytes: &Option) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 21 | let result = codec.encode(value).and_then(|encoded| { [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] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 46 | Ok(decoded) => assert_eq!(decoded, *value), [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] [stderr] error: could not compile `rcodec` (lib test) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rcodec` (test "lib") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6364332d786f48668ff84212a6bc2e45ba1ee637fb86ecc975e3992d17105d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6364332d786f48668ff84212a6bc2e45ba1ee637fb86ecc975e3992d17105d7a", kill_on_drop: false }` [INFO] [stdout] 6364332d786f48668ff84212a6bc2e45ba1ee637fb86ecc975e3992d17105d7a