[INFO] fetching crate signalfut 0.1.0... [INFO] checking signalfut-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate signalfut 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate signalfut 0.1.0 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 signalfut 0.1.0 [INFO] finished tweaking crates.io crate signalfut 0.1.0 [INFO] tweaked toml for crates.io crate signalfut 0.1.0 written to /workspace/builds/worker-2-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] Updating crates.io index [INFO] [stderr] Locking 184 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding buddy-alloc v0.4.2 (available: v0.5.1) [INFO] [stderr] Adding compio v0.10.0 (available: v0.12.0) [INFO] [stderr] Adding compio-buf v0.3.0 (available: v0.5.0) [INFO] [stderr] Adding compio-driver v0.3.0 (available: v0.5.0) [INFO] [stderr] Adding compio-fs v0.3.0 (available: v0.5.1) [INFO] [stderr] Adding compio-io v0.2.0 (available: v0.4.1) [INFO] [stderr] Adding compio-net v0.3.0 (available: v0.5.1) [INFO] [stderr] Adding compio-runtime v0.3.0 (available: v0.5.1) [INFO] [stderr] Adding concurrent-queue v1.2.4 (available: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.1.1) [INFO] [stderr] Adding flume v0.10.14 (available: v0.11.0) [INFO] [stderr] Adding futures-lite v1.13.0 (available: v2.3.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding io-uring v0.6.4 (available: v0.7.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding memoffset v0.7.1 (available: v0.9.1) [INFO] [stderr] Adding mio v0.8.11 (available: v1.0.2) [INFO] [stderr] Adding nix v0.26.4 (available: v0.29.0) [INFO] [stderr] Adding nix v0.27.1 (available: v0.29.0) [INFO] [stderr] Adding rlimit v0.6.2 (available: v0.10.2) [INFO] [stderr] Adding sketches-ddsketch v0.1.3 (available: v0.3.0) [INFO] [stderr] Adding socket2 v0.4.10 (available: v0.5.7) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.48.0 (available: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 419d4b945a400a162353928a46f2df37b33d0c78d1bf3fbe474d78580ca46eea [INFO] running `Command { std: "docker" "start" "-a" "419d4b945a400a162353928a46f2df37b33d0c78d1bf3fbe474d78580ca46eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "419d4b945a400a162353928a46f2df37b33d0c78d1bf3fbe474d78580ca46eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419d4b945a400a162353928a46f2df37b33d0c78d1bf3fbe474d78580ca46eea", kill_on_drop: false }` [INFO] [stdout] 419d4b945a400a162353928a46f2df37b33d0c78d1bf3fbe474d78580ca46eea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 46b963b6d63e7b72a3e49a2871876d8b0ec0459e051798b5d9e1844e9886a054 [INFO] running `Command { std: "docker" "start" "-a" "46b963b6d63e7b72a3e49a2871876d8b0ec0459e051798b5d9e1844e9886a054", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Compiling io-uring v0.6.4 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking compio-buf v0.3.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking os_pipe v1.2.1 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling winnow v0.6.20 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling glommio v0.9.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Checking owned-alloc v0.2.0 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking lockfree v0.5.1 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking intrusive-collections v0.9.7 [INFO] [stderr] Checking async-fs v2.1.2 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking rlimit v0.6.2 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking buddy-alloc v0.4.2 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling monoio-macros v0.1.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling auto-const-array v0.2.1 [INFO] [stderr] Checking enclose v1.2.0 [INFO] [stderr] Checking bitmaps v3.2.1 [INFO] [stderr] Checking sketches-ddsketch v0.1.3 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking monoio v0.2.4 [INFO] [stderr] Checking polling v3.7.3 [INFO] [stderr] Checking compio-log v0.1.0 [INFO] [stderr] Checking async-io v2.3.4 [INFO] [stderr] Checking compio-driver v0.3.0 [INFO] [stderr] Checking signalfut v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:134:23 [INFO] [stdout] | [INFO] [stdout] 134 | let tx = unsafe { TO_HELPER_THREAD.as_ref().unwrap_unchecked() }; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling compio-macros v0.1.2 [INFO] [stderr] Checking async-signal v0.2.10 [INFO] [stderr] Checking async-net v2.0.0 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.13.0 [INFO] [stderr] Checking async-process v2.3.0 [INFO] [stderr] Checking smol v2.0.2 [INFO] [stderr] Checking compio-io v0.2.0 [INFO] [stderr] Checking compio-runtime v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking compio-fs v0.3.0 [INFO] [stderr] Checking compio-net v0.3.0 [INFO] [stderr] Checking compio v0.10.0 [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:134:23 [INFO] [stdout] | [INFO] [stdout] 134 | let tx = unsafe { TO_HELPER_THREAD.as_ref().unwrap_unchecked() }; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.77s [INFO] running `Command { std: "docker" "inspect" "46b963b6d63e7b72a3e49a2871876d8b0ec0459e051798b5d9e1844e9886a054", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46b963b6d63e7b72a3e49a2871876d8b0ec0459e051798b5d9e1844e9886a054", kill_on_drop: false }` [INFO] [stdout] 46b963b6d63e7b72a3e49a2871876d8b0ec0459e051798b5d9e1844e9886a054