[INFO] fetching crate waitgroup 0.1.2... [INFO] checking waitgroup-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate waitgroup 0.1.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate waitgroup 0.1.2 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 waitgroup 0.1.2 [INFO] finished tweaking crates.io crate waitgroup 0.1.2 [INFO] tweaked toml for crates.io crate waitgroup 0.1.2 written to /workspace/builds/worker-6-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 68 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 syn v1.0.109 (available: v2.0.79) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 16f93d8cb389b4c9c4507eb021045058136549f0e20f6eac5ae924e80cdc69fb [INFO] running `Command { std: "docker" "start" "-a" "16f93d8cb389b4c9c4507eb021045058136549f0e20f6eac5ae924e80cdc69fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16f93d8cb389b4c9c4507eb021045058136549f0e20f6eac5ae924e80cdc69fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16f93d8cb389b4c9c4507eb021045058136549f0e20f6eac5ae924e80cdc69fb", kill_on_drop: false }` [INFO] [stdout] 16f93d8cb389b4c9c4507eb021045058136549f0e20f6eac5ae924e80cdc69fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1989e9ea76f22f02ed16c894da854cdb8c5858ccf9de84562d9f62df8655d8c8 [INFO] running `Command { std: "docker" "start" "-a" "1989e9ea76f22f02ed16c894da854cdb8c5858ccf9de84562d9f62df8655d8c8", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Checking waitgroup v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 36 | inner: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Compiling async-attributes v1.1.2 [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] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 36 | inner: Arc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 10.78s [INFO] running `Command { std: "docker" "inspect" "1989e9ea76f22f02ed16c894da854cdb8c5858ccf9de84562d9f62df8655d8c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1989e9ea76f22f02ed16c894da854cdb8c5858ccf9de84562d9f62df8655d8c8", kill_on_drop: false }` [INFO] [stdout] 1989e9ea76f22f02ed16c894da854cdb8c5858ccf9de84562d9f62df8655d8c8