[INFO] fetching crate glock 0.1.2...
[INFO] checking glock-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate glock 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate glock 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 glock 0.1.2
[INFO] finished tweaking crates.io crate glock 0.1.2
[INFO] tweaked toml for crates.io crate glock 0.1.2 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] 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] 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-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] 97ae3557b9610e7867e400be9678992470f9578195f2410b837eed763010755e
[INFO] running `Command { std: "docker" "start" "-a" "97ae3557b9610e7867e400be9678992470f9578195f2410b837eed763010755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ae3557b9610e7867e400be9678992470f9578195f2410b837eed763010755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ae3557b9610e7867e400be9678992470f9578195f2410b837eed763010755e", kill_on_drop: false }`
[INFO] [stdout] 97ae3557b9610e7867e400be9678992470f9578195f2410b837eed763010755e
[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] e29e62664893589d8bf6d1f074482685abe3074a09ef6ec77a96c191c638c56a
[INFO] running `Command { std: "docker" "start" "-a" "e29e62664893589d8bf6d1f074482685abe3074a09ef6ec77a96c191c638c56a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking glock v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lock.rs:333:10
[INFO] [stdout]     |
[INFO] [stdout] 333 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `GLockGuard<'_, u32>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lock.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let p = GLock::new_root(0u32).unwrap();
[INFO] [stdout]     |             - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 302 |
[INFO] [stdout] 303 |         let c1 = p.new_child(0u32).unwrap();
[INFO] [stdout]     |             -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 304 |         let c2 = p.new_child(0u32).unwrap();
[INFO] [stdout]     |             -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 307 |             let p_lg1 = p.try_lock(*p_type1).unwrap();
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `GLockGuard<'_, Parent>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lock.rs:347:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let parent_lock = {
[INFO] [stdout]     |             ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 347 |             let p_lg1 = parent_lock.try_lock(*p_type1).unwrap();
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glock` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e29e62664893589d8bf6d1f074482685abe3074a09ef6ec77a96c191c638c56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29e62664893589d8bf6d1f074482685abe3074a09ef6ec77a96c191c638c56a", kill_on_drop: false }`
[INFO] [stdout] e29e62664893589d8bf6d1f074482685abe3074a09ef6ec77a96c191c638c56a