[INFO] fetching crate multivers-runner 0.1.2... [INFO] checking multivers-runner-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate multivers-runner 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate multivers-runner 0.1.2 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 multivers-runner 0.1.2 [INFO] finished tweaking crates.io crate multivers-runner 0.1.2 [INFO] tweaked toml for crates.io crate multivers-runner 0.1.2 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 51 packages to latest compatible versions [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] e31e52faff6ea2376b3cab534bd44dde17f780021ff0984fdf913e4374ce93c8 [INFO] running `Command { std: "docker" "start" "-a" "e31e52faff6ea2376b3cab534bd44dde17f780021ff0984fdf913e4374ce93c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e31e52faff6ea2376b3cab534bd44dde17f780021ff0984fdf913e4374ce93c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e31e52faff6ea2376b3cab534bd44dde17f780021ff0984fdf913e4374ce93c8", kill_on_drop: false }` [INFO] [stdout] e31e52faff6ea2376b3cab534bd44dde17f780021ff0984fdf913e4374ce93c8 [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] 88020ac57fcde0995eb4090c5f71caba4880fab8cffa120bc91510cbf1487eab [INFO] running `Command { std: "docker" "start" "-a" "88020ac57fcde0995eb4090c5f71caba4880fab8cffa120bc91510cbf1487eab", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Compiling cdivsufsort v2.0.0 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Compiling proc-exit v2.0.2 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking sacabase v2.0.0 [INFO] [stderr] Checking notstd_detect v0.4.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Checking suffix_array v0.5.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking qbsdiff v1.4.2 [INFO] [stderr] Compiling multivers-runner v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: multivers-runner@0.1.2: The JSON file loaded from the environment variable MULTIVERS_BUILDS_DESCRIPTION_PATH must contain builds. [INFO] [stderr] warning: multivers-runner@0.1.2: It will build, but it will fail at runtime. [INFO] [stdout] warning: unsafe attribute used without unsafe [INFO] [stdout] --> src/lib.rs:29:3 [INFO] [stdout] | [INFO] [stdout] 29 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^ usage of unsafe attribute [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024! [INFO] [stdout] = note: for more information, see issue #123757 [INFO] [stdout] = note: `-W unsafe-attr-outside-unsafe` implied by `-W rust-2024-compatibility` [INFO] [stdout] = help: to override `-W rust-2024-compatibility` add `#[allow(unsafe_attr_outside_unsafe)]` [INFO] [stdout] help: wrap the attribute in `unsafe(...)` [INFO] [stdout] | [INFO] [stdout] 29 | #[unsafe(no_mangle)] [INFO] [stdout] | +++++++ + [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/build.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn find_from(builds: impl IntoIterator) -> Option { [INFO] [stdout] | -------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | builds.into_iter().find_map(|build| { [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/build/linux.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut file = memfd_create(memfd_name, MemfdFlags::CLOEXEC) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | Err(proc_exit::Exit::new(proc_exit::Code::new(r))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will 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 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: multivers-runner@0.1.2: The JSON file loaded from the environment variable MULTIVERS_BUILDS_DESCRIPTION_PATH must contain builds. [INFO] [stderr] warning: multivers-runner@0.1.2: It will build, but it will fail at runtime. [INFO] [stderr] [INFO] [stderr] error: could not compile `multivers-runner` (lib) due to 3 previous errors; 1 warning emitted [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/build.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn find_from(builds: impl IntoIterator) -> Option { [INFO] [stdout] | -------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | builds.into_iter().find_map(|build| { [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/build/linux.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut file = memfd_create(memfd_name, MemfdFlags::CLOEXEC) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 39 | Err(proc_exit::Exit::new(proc_exit::Code::new(r))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will 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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: multivers-runner@0.1.2: The JSON file loaded from the environment variable MULTIVERS_BUILDS_DESCRIPTION_PATH must contain builds. [INFO] [stderr] warning: multivers-runner@0.1.2: It will build, but it will fail at runtime. [INFO] [stderr] [INFO] [stderr] error: could not compile `multivers-runner` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "88020ac57fcde0995eb4090c5f71caba4880fab8cffa120bc91510cbf1487eab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88020ac57fcde0995eb4090c5f71caba4880fab8cffa120bc91510cbf1487eab", kill_on_drop: false }` [INFO] [stdout] 88020ac57fcde0995eb4090c5f71caba4880fab8cffa120bc91510cbf1487eab