[INFO] fetching crate zduny-wasm-timer 0.2.8... [INFO] checking zduny-wasm-timer-0.2.8 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate zduny-wasm-timer 0.2.8 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate zduny-wasm-timer 0.2.8 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-4-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate zduny-wasm-timer 0.2.8 [INFO] finished tweaking crates.io crate zduny-wasm-timer 0.2.8 [INFO] tweaked toml for crates.io crate zduny-wasm-timer 0.2.8 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" "+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 88 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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] [stderr] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc0dcde825db3d1f8f2cab707cad1b1505adb1a2d5d6960f0603886fd4ca178c [INFO] running `Command { std: "docker" "start" "-a" "bc0dcde825db3d1f8f2cab707cad1b1505adb1a2d5d6960f0603886fd4ca178c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc0dcde825db3d1f8f2cab707cad1b1505adb1a2d5d6960f0603886fd4ca178c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc0dcde825db3d1f8f2cab707cad1b1505adb1a2d5d6960f0603886fd4ca178c", kill_on_drop: false }` [INFO] [stdout] bc0dcde825db3d1f8f2cab707cad1b1505adb1a2d5d6960f0603886fd4ca178c [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3eabb277c211ea48f21598212386486310f98ddd36236a361bbb04513d193b24 [INFO] running `Command { std: "docker" "start" "-a" "3eabb277c211ea48f21598212386486310f98ddd36236a361bbb04513d193b24", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.93 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling wasm-bindgen v0.2.93 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.43 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.93 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.93 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.93 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking zduny-wasm-timer v0.2.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `assert_timer_heap_consistent` [INFO] [stdout] --> src/timer/heap.rs:164:18 [INFO] [stdout] | [INFO] [stdout] 164 | if !cfg!(assert_timer_heap_consistent) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(assert_timer_heap_consistent)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(assert_timer_heap_consistent)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/timer.rs:583:13 [INFO] [stdout] | [INFO] [stdout] 583 | drop(handle.into_usize()); [INFO] [stdout] | ^^^^^-------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 583 - drop(handle.into_usize()); [INFO] [stdout] 583 + let _ = handle.into_usize(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/timer/global/desktop.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | drop(timer.as_mut().poll(&mut cx)); [INFO] [stdout] | ^^^^^----------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Poll<()>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 63 - drop(timer.as_mut().poll(&mut cx)); [INFO] [stdout] 63 + let _ = timer.as_mut().poll(&mut cx); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking js-sys v0.3.70 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking polling v3.7.3 [INFO] [stderr] Checking async-io v2.3.4 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.13.0 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.43 [INFO] [stderr] Checking wasm-bindgen-test v0.3.43 [INFO] [stdout] warning: unexpected `cfg` condition name: `assert_timer_heap_consistent` [INFO] [stdout] --> src/timer/heap.rs:164:18 [INFO] [stdout] | [INFO] [stdout] 164 | if !cfg!(assert_timer_heap_consistent) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(assert_timer_heap_consistent)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(assert_timer_heap_consistent)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/timer.rs:583:13 [INFO] [stdout] | [INFO] [stdout] 583 | drop(handle.into_usize()); [INFO] [stdout] | ^^^^^-------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 583 - drop(handle.into_usize()); [INFO] [stdout] 583 + let _ = handle.into_usize(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/timer/global/desktop.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | drop(timer.as_mut().poll(&mut cx)); [INFO] [stdout] | ^^^^^----------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Poll<()>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 63 - drop(timer.as_mut().poll(&mut cx)); [INFO] [stdout] 63 + let _ = timer.as_mut().poll(&mut cx); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.61s [INFO] running `Command { std: "docker" "inspect" "3eabb277c211ea48f21598212386486310f98ddd36236a361bbb04513d193b24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eabb277c211ea48f21598212386486310f98ddd36236a361bbb04513d193b24", kill_on_drop: false }` [INFO] [stdout] 3eabb277c211ea48f21598212386486310f98ddd36236a361bbb04513d193b24