[INFO] fetching crate pairlock 0.1.0... [INFO] checking pairlock-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate pairlock 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate pairlock 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pairlock 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate pairlock 0.1.0 [INFO] tweaked toml for crates.io crate pairlock 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding crossbeam v0.3.2 (available: v0.8.4) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afa74c7299a376c4d502d533c6e58ef96a125566ac1eff5347577f73714fa0af [INFO] running `Command { std: "docker" "start" "-a" "afa74c7299a376c4d502d533c6e58ef96a125566ac1eff5347577f73714fa0af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afa74c7299a376c4d502d533c6e58ef96a125566ac1eff5347577f73714fa0af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afa74c7299a376c4d502d533c6e58ef96a125566ac1eff5347577f73714fa0af", kill_on_drop: false }` [INFO] [stdout] afa74c7299a376c4d502d533c6e58ef96a125566ac1eff5347577f73714fa0af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 862cec6c0e0581a85071153204637afd55d4da223d59787eb22e3458f24cbedc [INFO] running `Command { std: "docker" "start" "-a" "862cec6c0e0581a85071153204637afd55d4da223d59787eb22e3458f24cbedc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking pairlock v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> pairlock.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::atomic::{AtomicUsize,fence, spin_loop_hint}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> pairlock.rs:196:21 [INFO] [stdout] | [INFO] [stdout] 196 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> pairlock.rs:461:29 [INFO] [stdout] | [INFO] [stdout] 461 | fmtr.write_str(self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `black_box` [INFO] [stdout] --> benches/race_detection.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use test::{Bencher, black_box}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests.rs:5:48 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests.rs:81:33 [INFO] [stdout] | [INFO] [stdout] 81 | static DROPS: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 81 | static DROPS: AtomicUsize = AtomicUsize::new(0); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> pairlock.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::atomic::{AtomicUsize,fence, spin_loop_hint}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> pairlock.rs:196:21 [INFO] [stdout] | [INFO] [stdout] 196 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> pairlock.rs:461:29 [INFO] [stdout] | [INFO] [stdout] 461 | fmtr.write_str(self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bar` is never read [INFO] [stdout] --> tests.rs:114:16 [INFO] [stdout] | [INFO] [stdout] 114 | struct Foo{bar:&'static str} [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "862cec6c0e0581a85071153204637afd55d4da223d59787eb22e3458f24cbedc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "862cec6c0e0581a85071153204637afd55d4da223d59787eb22e3458f24cbedc", kill_on_drop: false }` [INFO] [stdout] 862cec6c0e0581a85071153204637afd55d4da223d59787eb22e3458f24cbedc