[INFO] fetching crate signal-simple 0.1.1... [INFO] checking signal-simple-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate signal-simple 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate signal-simple 0.1.1 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 signal-simple 0.1.1 [INFO] finished tweaking crates.io crate signal-simple 0.1.1 [INFO] tweaked toml for crates.io crate signal-simple 0.1.1 written to /workspace/builds/worker-5-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 3 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 16e3656b19536d6a8987e1f9c6d4f7a66fa67412eb9e4bd5d9c9d41cf37458b1 [INFO] running `Command { std: "docker" "start" "-a" "16e3656b19536d6a8987e1f9c6d4f7a66fa67412eb9e4bd5d9c9d41cf37458b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16e3656b19536d6a8987e1f9c6d4f7a66fa67412eb9e4bd5d9c9d41cf37458b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16e3656b19536d6a8987e1f9c6d4f7a66fa67412eb9e4bd5d9c9d41cf37458b1", kill_on_drop: false }` [INFO] [stdout] 16e3656b19536d6a8987e1f9c6d4f7a66fa67412eb9e4bd5d9c9d41cf37458b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e5b48c7e0f2488352ca621fd3c0d1de58495945cd8bc1dff7e4307d90281a51f [INFO] running `Command { std: "docker" "start" "-a" "e5b48c7e0f2488352ca621fd3c0d1de58495945cd8bc1dff7e4307d90281a51f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking signal-simple v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/signal.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem::{transmute, 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/signal.rs:16:47 [INFO] [stdout] | [INFO] [stdout] 16 | let mut sigset: libc::sigset_t = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/signal.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 19 | let mut siga = unsafe { uninitialized::() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/signal.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | let mut oldact = unsafe { uninitialized::() }; [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/channel.rs:20:27 [INFO] [stdout] | [INFO] [stdout] 19 | let (s, r) = channel::(); [INFO] [stdout] | - - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | SyncChannel { _s: Arc::new(Mutex::new(s)), _r: Arc::new(Mutex::new(r)) } [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/channel.rs:20:56 [INFO] [stdout] | [INFO] [stdout] 19 | let (s, r) = channel::(); [INFO] [stdout] | - - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | SyncChannel { _s: Arc::new(Mutex::new(s)), _r: Arc::new(Mutex::new(r)) } [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/channel.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn send(&self, data: T) -> Result<(), ChannelError> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | / self._s.lock() [INFO] [stdout] 25 | | .map_err(|e| { ChannelError::SyncError(format!("Mutex poisoned: {:?}", e)) })? [INFO] [stdout] 26 | | .send(data) [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] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/signal.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem::{transmute, 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/signal.rs:16:47 [INFO] [stdout] | [INFO] [stdout] 16 | let mut sigset: libc::sigset_t = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/signal.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 19 | let mut siga = unsafe { uninitialized::() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/signal.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | let mut oldact = unsafe { uninitialized::() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `sigset_t` does not permit being left uninitialized [INFO] [stdout] --> src/signal.rs:16:47 [INFO] [stdout] | [INFO] [stdout] 16 | let mut sigset: libc::sigset_t = unsafe { 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] warning: the type `sigaction` does not permit being left uninitialized [INFO] [stdout] --> src/signal.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 19 | let mut siga = unsafe { 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] [INFO] [stdout] [INFO] [stdout] warning: the type `sigaction` does not permit being left uninitialized [INFO] [stdout] --> src/signal.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | let mut oldact = unsafe { 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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `signal-simple` (lib) due to 4 previous errors; 7 warnings 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/channel.rs:20:27 [INFO] [stdout] | [INFO] [stdout] 19 | let (s, r) = channel::(); [INFO] [stdout] | - - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | SyncChannel { _s: Arc::new(Mutex::new(s)), _r: Arc::new(Mutex::new(r)) } [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/channel.rs:20:56 [INFO] [stdout] | [INFO] [stdout] 19 | let (s, r) = channel::(); [INFO] [stdout] | - - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | SyncChannel { _s: Arc::new(Mutex::new(s)), _r: Arc::new(Mutex::new(r)) } [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/channel.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn send(&self, data: T) -> Result<(), ChannelError> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | / self._s.lock() [INFO] [stdout] 25 | | .map_err(|e| { ChannelError::SyncError(format!("Mutex poisoned: {:?}", e)) })? [INFO] [stdout] 26 | | .send(data) [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] warning: the type `sigset_t` does not permit being left uninitialized [INFO] [stdout] --> src/signal.rs:16:47 [INFO] [stdout] | [INFO] [stdout] 16 | let mut sigset: libc::sigset_t = unsafe { 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] warning: the type `sigaction` does not permit being left uninitialized [INFO] [stdout] --> src/signal.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 19 | let mut siga = unsafe { 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] [INFO] [stdout] [INFO] [stdout] warning: the type `sigaction` does not permit being left uninitialized [INFO] [stdout] --> src/signal.rs:20:31 [INFO] [stdout] | [INFO] [stdout] 20 | let mut oldact = unsafe { 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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `signal-simple` (lib test) due to 4 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e5b48c7e0f2488352ca621fd3c0d1de58495945cd8bc1dff7e4307d90281a51f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b48c7e0f2488352ca621fd3c0d1de58495945cd8bc1dff7e4307d90281a51f", kill_on_drop: false }` [INFO] [stdout] e5b48c7e0f2488352ca621fd3c0d1de58495945cd8bc1dff7e4307d90281a51f