[INFO] fetching crate awak 0.2.36...
[INFO] checking awak-0.2.36 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate awak 0.2.36 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate awak 0.2.36 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 awak 0.2.36
[INFO] finished tweaking crates.io crate awak 0.2.36
[INFO] tweaked toml for crates.io crate awak 0.2.36 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate awak 0.2.36 already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 813255ea2113e4eeec4f889cea2bf99e3417a78206e41365ee2f59bfb253df4f
[INFO] running `Command { std: "docker" "start" "-a" "813255ea2113e4eeec4f889cea2bf99e3417a78206e41365ee2f59bfb253df4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "813255ea2113e4eeec4f889cea2bf99e3417a78206e41365ee2f59bfb253df4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813255ea2113e4eeec4f889cea2bf99e3417a78206e41365ee2f59bfb253df4f", kill_on_drop: false }`
[INFO] [stdout] 813255ea2113e4eeec4f889cea2bf99e3417a78206e41365ee2f59bfb253df4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2b4a66ccaf45ec33f6a6f944f61f9155e699c5786cc4608797d943766e5758b8
[INFO] running `Command { std: "docker" "start" "-a" "2b4a66ccaf45ec33f6a6f944f61f9155e699c5786cc4608797d943766e5758b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking socket2 v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking awak v0.2.36 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `MutexGuard<'_, ()>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parking.rs:109:22
[INFO] [stdout]     |
[INFO] [stdout] 83  |         let mut m = self.lock.lock().unwrap();
[INFO] [stdout]     |             ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 109 |                 let (_m, _result) = self.cvar.wait_timeout(m, d).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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `awak` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2b4a66ccaf45ec33f6a6f944f61f9155e699c5786cc4608797d943766e5758b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4a66ccaf45ec33f6a6f944f61f9155e699c5786cc4608797d943766e5758b8", kill_on_drop: false }`
[INFO] [stdout] 2b4a66ccaf45ec33f6a6f944f61f9155e699c5786cc4608797d943766e5758b8