[INFO] fetching crate tango-bench 0.6.0... [INFO] checking tango-bench-0.6.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tango-bench 0.6.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate tango-bench 0.6.0 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 tango-bench 0.6.0 [INFO] finished tweaking crates.io crate tango-bench 0.6.0 [INFO] tweaked toml for crates.io crate tango-bench 0.6.0 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] Updating crates.io index [INFO] [stderr] Locking 77 packages to latest compatible versions [INFO] [stderr] Adding goblin v0.7.1 (available: v0.8.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding scroll v0.11.0 (available: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.11.1 (available: v0.12.0) [INFO] [stderr] Adding supports-color v2.1.0 (available: v3.0.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] f17bcb1da3433d1d447ecede0ff88e30b3db04eca282154795536a7e0815dcc9 [INFO] running `Command { std: "docker" "start" "-a" "f17bcb1da3433d1d447ecede0ff88e30b3db04eca282154795536a7e0815dcc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f17bcb1da3433d1d447ecede0ff88e30b3db04eca282154795536a7e0815dcc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f17bcb1da3433d1d447ecede0ff88e30b3db04eca282154795536a7e0815dcc9", kill_on_drop: false }` [INFO] [stdout] f17bcb1da3433d1d447ecede0ff88e30b3db04eca282154795536a7e0815dcc9 [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] e4a0ebd314d93230bcbcec1da64f8d3bac5410de34d4a8fa1349453e8be35c10 [INFO] running `Command { std: "docker" "start" "-a" "e4a0ebd314d93230bcbcec1da64f8d3bac5410de34d4a8fa1349453e8be35c10", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking is_ci v1.2.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling tango-bench v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling alloca v0.4.0 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling scroll_derive v0.11.1 [INFO] [stderr] Compiling clap_derive v4.5.18 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Checking libloading v0.8.5 [INFO] [stderr] Checking glob-match v0.2.1 [INFO] [stderr] Checking supports-color v2.1.0 [INFO] [stderr] Checking colorz v1.1.2 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking scroll v0.11.0 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking goblin v0.7.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.13.0 [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/cli.rs:758:23 [INFO] [stdout] | [INFO] [stdout] 758 | fn generate_plots(path: &Path, sample_dumps: &[PathBuf]) -> Result<()> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/cli.rs:758:23 [INFO] [stdout] | [INFO] [stdout] 758 | fn generate_plots(path: &Path, sample_dumps: &[PathBuf]) -> Result<()> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { SELF_VTABLE.take() }.map(|vt| spi_handle_for_vtable(vt, mode)) [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] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:299:12 [INFO] [stdout] | [INFO] [stdout] 299 | if STATE.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 shared reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 349 | / STATE [INFO] [stdout] 350 | | .as_ref() [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/dylib.rs:357:26 [INFO] [stdout] | [INFO] [stdout] 357 | if let Some(s) = STATE.as_mut() { [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/dylib.rs:371:26 [INFO] [stdout] | [INFO] [stdout] 371 | if let Some(s) = STATE.as_ref() { [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/dylib.rs:383:26 [INFO] [stdout] | [INFO] [stdout] 383 | if let Some(s) = STATE.as_mut() { [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 mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:394:26 [INFO] [stdout] | [INFO] [stdout] 394 | if let Some(s) = STATE.as_mut() { [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 mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:406:26 [INFO] [stdout] | [INFO] [stdout] 406 | if let Some(s) = STATE.as_mut() { [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 mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:416:9 [INFO] [stdout] | [INFO] [stdout] 416 | STATE.take(); [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { SELF_VTABLE.take() }.map(|vt| spi_handle_for_vtable(vt, mode)) [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] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:299:12 [INFO] [stdout] | [INFO] [stdout] 299 | if STATE.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 shared reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 349 | / STATE [INFO] [stdout] 350 | | .as_ref() [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/dylib.rs:357:26 [INFO] [stdout] | [INFO] [stdout] 357 | if let Some(s) = STATE.as_mut() { [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/dylib.rs:371:26 [INFO] [stdout] | [INFO] [stdout] 371 | if let Some(s) = STATE.as_ref() { [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/dylib.rs:383:26 [INFO] [stdout] | [INFO] [stdout] 383 | if let Some(s) = STATE.as_mut() { [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 mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:394:26 [INFO] [stdout] | [INFO] [stdout] 394 | if let Some(s) = STATE.as_mut() { [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 mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:406:26 [INFO] [stdout] | [INFO] [stdout] 406 | if let Some(s) = STATE.as_mut() { [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 mutable reference to mutable static is discouraged [INFO] [stdout] --> src/dylib.rs:416:9 [INFO] [stdout] | [INFO] [stdout] 416 | STATE.take(); [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.10s [INFO] running `Command { std: "docker" "inspect" "e4a0ebd314d93230bcbcec1da64f8d3bac5410de34d4a8fa1349453e8be35c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4a0ebd314d93230bcbcec1da64f8d3bac5410de34d4a8fa1349453e8be35c10", kill_on_drop: false }` [INFO] [stdout] e4a0ebd314d93230bcbcec1da64f8d3bac5410de34d4a8fa1349453e8be35c10