[INFO] fetching crate husky 0.3.0...
[INFO] checking husky-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate husky 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate husky 0.3.0 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 husky 0.3.0
[INFO] finished tweaking crates.io crate husky 0.3.0
[INFO] tweaked toml for crates.io crate husky 0.3.0 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" "+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 79 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bytecheck v0.6.12 (available: v0.8.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (available: v0.8.0)
[INFO] [stderr]       Adding delegate v0.6.2 (available: v0.13.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (available: v0.9.10)
[INFO] [stderr]       Adding ptr_meta v0.1.4 (available: v0.3.0)
[INFO] [stderr]       Adding ptr_meta_derive v0.1.4 (available: v0.3.0)
[INFO] [stderr]       Adding radium v0.7.0 (available: v1.1.0)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (available: v0.5.6)
[INFO] [stderr]       Adding rend v0.4.2 (available: v0.5.1)
[INFO] [stderr]       Adding rkyv v0.7.45 (available: v0.8.8)
[INFO] [stderr]       Adding rkyv_derive v0.7.45 (available: v0.8.8)
[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 wyz v0.5.1 (available: v0.6.1)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (available: v0.13.2)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (available: v4.1.6+zstd.1.5.2)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (available: v1.6.3+zstd.1.5.2)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 046dc3f26ef92e064f98711dfcbc83efb35da284072b952e62a226d04589d533
[INFO] running `Command { std: "docker" "start" "-a" "046dc3f26ef92e064f98711dfcbc83efb35da284072b952e62a226d04589d533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "046dc3f26ef92e064f98711dfcbc83efb35da284072b952e62a226d04589d533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046dc3f26ef92e064f98711dfcbc83efb35da284072b952e62a226d04589d533", kill_on_drop: false }`
[INFO] [stdout] 046dc3f26ef92e064f98711dfcbc83efb35da284072b952e62a226d04589d533
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79e566313bfc12a54ef72652a653fb6a3bc27af5ca6cbd4186931796eddca02f
[INFO] running `Command { std: "docker" "start" "-a" "79e566313bfc12a54ef72652a653fb6a3bc27af5ca6cbd4186931796eddca02f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bus v2.4.1
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling rkyv_derive v0.7.45
[INFO] [stderr]    Compiling delegate v0.6.2
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking husky v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/traits/load.rs:132:3
[INFO] [stdout]     |
[INFO] [stdout] 132 |         drop(prev);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&V>`
[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] 132 -         drop(prev);
[INFO] [stdout] 132 +         let _ = prev;
[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/traits/load.rs:132:3
[INFO] [stdout]     |
[INFO] [stdout] 132 |         drop(prev);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<&V>`
[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] 132 -         drop(prev);
[INFO] [stdout] 132 +         let _ = prev;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.09s
[INFO] running `Command { std: "docker" "inspect" "79e566313bfc12a54ef72652a653fb6a3bc27af5ca6cbd4186931796eddca02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e566313bfc12a54ef72652a653fb6a3bc27af5ca6cbd4186931796eddca02f", kill_on_drop: false }`
[INFO] [stdout] 79e566313bfc12a54ef72652a653fb6a3bc27af5ca6cbd4186931796eddca02f