[INFO] fetching crate virtio-media 0.0.2... [INFO] checking virtio-media-0.0.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate virtio-media 0.0.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate virtio-media 0.0.2 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 virtio-media 0.0.2 [INFO] finished tweaking crates.io crate virtio-media 0.0.2 [INFO] tweaked toml for crates.io crate virtio-media 0.0.2 written to /workspace/builds/worker-1-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] [stderr] Adding cfg_aliases v0.1.1 (available: v0.2.1) [INFO] [stderr] Adding nix v0.28.0 (available: v0.29.0) [INFO] [stderr] Adding v4l2r v0.0.3 (available: v0.0.4) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 98fd73ed92867dba62f4d211191b58700d5092511848d4c9e335405bb29a97a1 [INFO] running `Command { std: "docker" "start" "-a" "98fd73ed92867dba62f4d211191b58700d5092511848d4c9e335405bb29a97a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98fd73ed92867dba62f4d211191b58700d5092511848d4c9e335405bb29a97a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98fd73ed92867dba62f4d211191b58700d5092511848d4c9e335405bb29a97a1", kill_on_drop: false }` [INFO] [stdout] 98fd73ed92867dba62f4d211191b58700d5092511848d4c9e335405bb29a97a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 569650fb2b80c53fbe45abeb31233a58fcca1de7066c466ffd6bd7bdf5d54293 [INFO] running `Command { std: "docker" "start" "-a" "569650fb2b80c53fbe45abeb31233a58fcca1de7066c466ffd6bd7bdf5d54293", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling enumn v0.1.14 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking v4l2r v0.0.3 [INFO] [stderr] Checking virtio-media v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `V4l2PlanesWithBacking<'_, impl Iterator>, impl Iterator>, impl Iterator>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/devices/v4l2_device_proxy.rs:296:62 [INFO] [stdout] | [INFO] [stdout] 294 | guest_resources: Vec, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 295 | ) { [INFO] [stdout] 296 | if let V4l2PlanesWithBacking::UserPtr(host_planes) = host_buffer.planes_with_backing_iter() [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 `V4l2PlanesWithBacking<'_, impl Iterator>, impl Iterator>, impl Iterator>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/devices/v4l2_device_proxy.rs:296:62 [INFO] [stdout] | [INFO] [stdout] 294 | guest_resources: Vec, [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 295 | ) { [INFO] [stdout] 296 | if let V4l2PlanesWithBacking::UserPtr(host_planes) = host_buffer.planes_with_backing_iter() [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `virtio-media` (lib test) due to 2 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 `virtio-media` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "569650fb2b80c53fbe45abeb31233a58fcca1de7066c466ffd6bd7bdf5d54293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "569650fb2b80c53fbe45abeb31233a58fcca1de7066c466ffd6bd7bdf5d54293", kill_on_drop: false }` [INFO] [stdout] 569650fb2b80c53fbe45abeb31233a58fcca1de7066c466ffd6bd7bdf5d54293