[INFO] fetching crate iffi 0.0.2... [INFO] checking iffi-0.0.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate iffi 0.0.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate iffi 0.0.2 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate iffi 0.0.2 [INFO] finished tweaking crates.io crate iffi 0.0.2 [INFO] tweaked toml for crates.io crate iffi 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4d5d9bbf53955a4d32339c71392f673da0a65cfcece8e325178961f18909615 [INFO] running `Command { std: "docker" "start" "-a" "e4d5d9bbf53955a4d32339c71392f673da0a65cfcece8e325178961f18909615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4d5d9bbf53955a4d32339c71392f673da0a65cfcece8e325178961f18909615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4d5d9bbf53955a4d32339c71392f673da0a65cfcece8e325178961f18909615", kill_on_drop: false }` [INFO] [stdout] e4d5d9bbf53955a4d32339c71392f673da0a65cfcece8e325178961f18909615 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 495635ffff740cc151c4e13a5e2f7288a38010cda441c4c82eb2e5bfcbcae82d [INFO] running `Command { std: "docker" "start" "-a" "495635ffff740cc151c4e13a5e2f7288a38010cda441c4c82eb2e5bfcbcae82d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking transmute v0.1.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling bytemuck_derive v1.7.1 [INFO] [stderr] Compiling iffi-macros v0.0.1 [INFO] [stderr] Checking bytemuck v1.17.1 [INFO] [stderr] Compiling thiserror-impl-no-std v2.0.2 [INFO] [stderr] Compiling concat-arrays v0.1.2 [INFO] [stderr] Compiling derive_deref v1.1.1 [INFO] [stderr] Checking thiserror-no-std v2.0.2 [INFO] [stderr] Checking iffi v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/impls.rs:71:15 [INFO] [stdout] | [INFO] [stdout] 71 | bits: BitPattern::from_le(&[0u8; SIZE]), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/impls.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 72 | valid: BitRanges::from_le(&[concat_arrays!([1u8], [0u8; SIZE - 1])..=[0xffu8; SIZE]]) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/alloc_bits.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 54 | let boxed = [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 58 | Self(Box::new(boxed)) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iffi` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/impls.rs:71:15 [INFO] [stdout] | [INFO] [stdout] 71 | bits: BitPattern::from_le(&[0u8; SIZE]), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/impls.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 72 | valid: BitRanges::from_le(&[concat_arrays!([1u8], [0u8; SIZE - 1])..=[0xffu8; SIZE]]) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/alloc_bits.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 54 | let boxed = [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 58 | Self(Box::new(boxed)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:238:13 [INFO] [stdout] | [INFO] [stdout] 235 | let from: Result = try_from(invalid); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 238 | / Err(Error { [INFO] [stdout] 239 | | error: ErrorKind::InvalidBitPattern { [INFO] [stdout] 240 | | bits: BitPattern::from_le(&0u8), [INFO] [stdout] 241 | | valid: BitRanges::from_le(&[1u8..=0xff]) [INFO] [stdout] ... | [INFO] [stdout] 244 | | into: type_name::() [INFO] [stdout] 245 | | }) [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iffi` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "495635ffff740cc151c4e13a5e2f7288a38010cda441c4c82eb2e5bfcbcae82d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "495635ffff740cc151c4e13a5e2f7288a38010cda441c4c82eb2e5bfcbcae82d", kill_on_drop: false }` [INFO] [stdout] 495635ffff740cc151c4e13a5e2f7288a38010cda441c4c82eb2e5bfcbcae82d