[INFO] fetching crate alloc-metrics 0.1.1...
[INFO] checking alloc-metrics-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate alloc-metrics 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate alloc-metrics 0.1.1 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alloc-metrics 0.1.1
[INFO] finished tweaking crates.io crate alloc-metrics 0.1.1
[INFO] tweaked toml for crates.io crate alloc-metrics 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c132e49d81b6dff28306d7f9e5101a88044a9df47de7d815d9163e4e59883f9
[INFO] running `Command { std: "docker" "start" "-a" "2c132e49d81b6dff28306d7f9e5101a88044a9df47de7d815d9163e4e59883f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c132e49d81b6dff28306d7f9e5101a88044a9df47de7d815d9163e4e59883f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c132e49d81b6dff28306d7f9e5101a88044a9df47de7d815d9163e4e59883f9", kill_on_drop: false }`
[INFO] [stdout] 2c132e49d81b6dff28306d7f9e5101a88044a9df47de7d815d9163e4e59883f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e21d5982a9b3cc7bdb5a6857b16f5eb4e6b341ca2f45fe261a826b6cd31cf8
[INFO] running `Command { std: "docker" "start" "-a" "99e21d5982a9b3cc7bdb5a6857b16f5eb4e6b341ca2f45fe261a826b6cd31cf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking alloc-metrics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/test.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |     assert_eq!(delta(|| (Box::new([0u8; 128]), Box::new(0f64))), Metrics { allocated_bytes: 136, allocations: 2 });
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/test.rs:28:48
[INFO] [stdout]    |
[INFO] [stdout] 28 |     assert_eq!(delta(|| (Box::new([0u8; 128]), Box::new(0f64))), Metrics { allocated_bytes: 136, allocations: 2 });
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alloc-metrics` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "99e21d5982a9b3cc7bdb5a6857b16f5eb4e6b341ca2f45fe261a826b6cd31cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e21d5982a9b3cc7bdb5a6857b16f5eb4e6b341ca2f45fe261a826b6cd31cf8", kill_on_drop: false }`
[INFO] [stdout] 99e21d5982a9b3cc7bdb5a6857b16f5eb4e6b341ca2f45fe261a826b6cd31cf8