[INFO] fetching crate libptp 0.6.5... [INFO] checking libptp-0.6.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate libptp 0.6.5 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate libptp 0.6.5 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 libptp 0.6.5 [INFO] finished tweaking crates.io crate libptp 0.6.5 [INFO] tweaked toml for crates.io crate libptp 0.6.5 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 213a8a00b23a7ce39e4bb841487e8539e046f4011a9974182f5758dbd80b2605 [INFO] running `Command { std: "docker" "start" "-a" "213a8a00b23a7ce39e4bb841487e8539e046f4011a9974182f5758dbd80b2605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "213a8a00b23a7ce39e4bb841487e8539e046f4011a9974182f5758dbd80b2605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "213a8a00b23a7ce39e4bb841487e8539e046f4011a9974182f5758dbd80b2605", kill_on_drop: false }` [INFO] [stdout] 213a8a00b23a7ce39e4bb841487e8539e046f4011a9974182f5758dbd80b2605 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e7a3d92eadb354a31cc6aea9d06cd12f753fbe49824582cd53e6d63f6d5697f [INFO] running `Command { std: "docker" "start" "-a" "5e7a3d92eadb354a31cc6aea9d06cd12f753fbe49824582cd53e6d63f6d5697f", kill_on_drop: false }` [INFO] [stderr] Compiling rusb v0.9.4 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling libusb1-sys v0.7.0 [INFO] [stderr] Checking libptp v0.6.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/camera.rs:163:44 [INFO] [stdout] | [INFO] [stdout] 163 | unintialized_buf = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/camera.rs:163:44 [INFO] [stdout] | [INFO] [stdout] 163 | unintialized_buf = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/camera.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut handle = device.open()?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/camera.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut handle = device.open()?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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/camera.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 21 | let config_desc = device.active_config_descriptor()?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | let mut handle = device.open()?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | Ok(Camera { [INFO] [stdout] | ____________^ [INFO] [stdout] 44 | | iface: interface_desc.interface_number(), [INFO] [stdout] 45 | | ep_in: find_endpoint(rusb::Direction::In, rusb::TransferType::Bulk)?, [INFO] [stdout] 46 | | ep_out: find_endpoint(rusb::Direction::Out, rusb::TransferType::Bulk)?, [INFO] [stdout] ... | [INFO] [stdout] 49 | | handle: Arc::new(RwLock::new(handle)), [INFO] [stdout] 50 | | }) [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] | [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] warning: the type `[u8; 8192]` does not permit being left uninitialized [INFO] [stdout] --> src/camera.rs:163:32 [INFO] [stdout] | [INFO] [stdout] 163 | unintialized_buf = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [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/camera.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 21 | let config_desc = device.active_config_descriptor()?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | let mut handle = device.open()?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | Ok(Camera { [INFO] [stdout] | ____________^ [INFO] [stdout] 44 | | iface: interface_desc.interface_number(), [INFO] [stdout] 45 | | ep_in: find_endpoint(rusb::Direction::In, rusb::TransferType::Bulk)?, [INFO] [stdout] 46 | | ep_out: find_endpoint(rusb::Direction::Out, rusb::TransferType::Bulk)?, [INFO] [stdout] ... | [INFO] [stdout] 49 | | handle: Arc::new(RwLock::new(handle)), [INFO] [stdout] 50 | | }) [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] | [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] warning: the type `[u8; 8192]` does not permit being left uninitialized [INFO] [stdout] --> src/camera.rs:163:32 [INFO] [stdout] | [INFO] [stdout] 163 | unintialized_buf = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libptp` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `libptp` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5e7a3d92eadb354a31cc6aea9d06cd12f753fbe49824582cd53e6d63f6d5697f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e7a3d92eadb354a31cc6aea9d06cd12f753fbe49824582cd53e6d63f6d5697f", kill_on_drop: false }` [INFO] [stdout] 5e7a3d92eadb354a31cc6aea9d06cd12f753fbe49824582cd53e6d63f6d5697f