[INFO] fetching crate zerocopy 0.8.0-alpha.25...
[INFO] checking zerocopy-0.8.0-alpha.25 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate zerocopy 0.8.0-alpha.25 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate zerocopy 0.8.0-alpha.25 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 zerocopy 0.8.0-alpha.25
[INFO] finished tweaking crates.io crate zerocopy 0.8.0-alpha.25
[INFO] tweaked toml for crates.io crate zerocopy 0.8.0-alpha.25 written to /workspace/builds/worker-0-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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.13.0)
[INFO] [stderr]       Adding trybuild v1.0.89 (available: v1.0.99)
[INFO] [stderr]       Adding zerocopy-derive v0.8.0-alpha.25 (available: v0.8.0-alpha.26)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f8f666f9eb7f1b6a37fa9ea01cb535f908ffa5b1dae18fc0f60d81f67d977bc
[INFO] running `Command { std: "docker" "start" "-a" "2f8f666f9eb7f1b6a37fa9ea01cb535f908ffa5b1dae18fc0f60d81f67d977bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f8f666f9eb7f1b6a37fa9ea01cb535f908ffa5b1dae18fc0f60d81f67d977bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8f666f9eb7f1b6a37fa9ea01cb535f908ffa5b1dae18fc0f60d81f67d977bc", kill_on_drop: false }`
[INFO] [stdout] 2f8f666f9eb7f1b6a37fa9ea01cb535f908ffa5b1dae18fc0f60d81f67d977bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9074763d8f38c6e5cdb74ccfe8acd2f03b0cf39462d981f762bc9b4322d85e2c
[INFO] running `Command { std: "docker" "start" "-a" "9074763d8f38c6e5cdb74ccfe8acd2f03b0cf39462d981f762bc9b4322d85e2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.25 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking elain v0.3.0
[INFO] [stderr]     Checking basic-toml v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.8.0-alpha.25
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: use of deprecated constant `_::_WARNING`: some tests may be skipped due to missing RUSTFLAGS="--cfg __ZEROCOPY_INTERNAL_USE_ONLY_NIGHTLY_FEATURES_IN_TESTS"
[INFO] [stdout]    --> src/lib.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 |     _WARNING
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 |     #[warn(deprecated)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `<I as IntoIterator>::IntoIter` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]     --> src/pointer/ptr.rs:1742:33
[INFO] [stdout]      |
[INFO] [stdout] 1679 |         fn test<T, I, const N: usize>(metas: I)
[INFO] [stdout]      |                                       ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 1742 |                     for meta in metas.clone().into_iter() {
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerocopy` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9074763d8f38c6e5cdb74ccfe8acd2f03b0cf39462d981f762bc9b4322d85e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9074763d8f38c6e5cdb74ccfe8acd2f03b0cf39462d981f762bc9b4322d85e2c", kill_on_drop: false }`
[INFO] [stdout] 9074763d8f38c6e5cdb74ccfe8acd2f03b0cf39462d981f762bc9b4322d85e2c