[INFO] fetching crate rwasm 0.0.1... [INFO] checking rwasm-0.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rwasm 0.0.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rwasm 0.0.1 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] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] started tweaking crates.io crate rwasm 0.0.1 [INFO] finished tweaking crates.io crate rwasm 0.0.1 [INFO] tweaked toml for crates.io crate rwasm 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rwasm 0.0.1 already has a lockfile, it will not be regenerated [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 59b965a555be3dcf2aef221e45a18ef1c85768595c9abb7c5af9db101fda2d12 [INFO] running `Command { std: "docker" "start" "-a" "59b965a555be3dcf2aef221e45a18ef1c85768595c9abb7c5af9db101fda2d12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59b965a555be3dcf2aef221e45a18ef1c85768595c9abb7c5af9db101fda2d12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59b965a555be3dcf2aef221e45a18ef1c85768595c9abb7c5af9db101fda2d12", kill_on_drop: false }` [INFO] [stdout] 59b965a555be3dcf2aef221e45a18ef1c85768595c9abb7c5af9db101fda2d12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6668f6684b1056acad15def7d009d52a3c1b016a56c457d01d24fd4bd27648c8 [INFO] running `Command { std: "docker" "start" "-a" "6668f6684b1056acad15def7d009d52a3c1b016a56c457d01d24fd4bd27648c8", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Compiling rwasm_macro v0.1.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking rwasm v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/timer.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 50 | / extern "C" { [INFO] [stdout] 51 | | pub fn request_timeout(listener_id: u32, millis: u32); [INFO] [stdout] 52 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead [INFO] [stdout] --> src/error_hook.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn hook(info: &panic::PanicInfo) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/wasm.rs:86:1 [INFO] [stdout] | [INFO] [stdout] 86 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 87 | / extern "C" { [INFO] [stdout] 88 | | pub fn upload_bytes(data: *const u8, length: usize) -> usize; [INFO] [stdout] 89 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/timer.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 50 | / extern "C" { [INFO] [stdout] 51 | | pub fn request_timeout(listener_id: u32, millis: u32); [INFO] [stdout] 52 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead [INFO] [stdout] --> src/error_hook.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn hook(info: &panic::PanicInfo) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/wasm.rs:86:1 [INFO] [stdout] | [INFO] [stdout] 86 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 87 | / extern "C" { [INFO] [stdout] 88 | | pub fn upload_bytes(data: *const u8, length: usize) -> usize; [INFO] [stdout] 89 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option + Send>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/wasync/executor.rs:67:35 [INFO] [stdout] | [INFO] [stdout] 58 | let executor = get_executor().lock().unwrap(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | let mut future_slot = task.future.lock().unwrap(); [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 67 | if let Some(mut future) = future_slot.take() { [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 `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/timer.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 93 | let mut state = listener_state.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 96 | if let Some(waker) = state.waker.take() { [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: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/timer.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | if LISTENERS.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/timer.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | LISTENERS.as_mut().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | if BUFFERS.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | buffers = BUFFERS.as_mut().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | if BUFFERS.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 44 | buffers = BUFFERS.as_mut().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option + Send>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/wasync/executor.rs:67:35 [INFO] [stdout] | [INFO] [stdout] 58 | let executor = get_executor().lock().unwrap(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | let mut future_slot = task.future.lock().unwrap(); [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 67 | if let Some(mut future) = future_slot.take() { [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] [stderr] error: could not compile `rwasm` (lib) due to 3 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/timer.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 93 | let mut state = listener_state.borrow_mut(); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 96 | if let Some(waker) = state.waker.take() { [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: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/timer.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | if LISTENERS.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/timer.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | LISTENERS.as_mut().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | if BUFFERS.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | buffers = BUFFERS.as_mut().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | if BUFFERS.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/wasm.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 44 | buffers = BUFFERS.as_mut().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rwasm` (lib test) due to 3 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6668f6684b1056acad15def7d009d52a3c1b016a56c457d01d24fd4bd27648c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6668f6684b1056acad15def7d009d52a3c1b016a56c457d01d24fd4bd27648c8", kill_on_drop: false }` [INFO] [stdout] 6668f6684b1056acad15def7d009d52a3c1b016a56c457d01d24fd4bd27648c8