[INFO] fetching crate reachable 0.2.2...
[INFO] checking reachable-0.2.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate reachable 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate reachable 0.2.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reachable 0.2.2
[INFO] finished tweaking crates.io crate reachable 0.2.2
[INFO] tweaked toml for crates.io crate reachable 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 62 packages to latest compatible versions
[INFO] [stderr]       Adding dns-lookup v1.0.8 (available: v2.0.4)
[INFO] [stderr]       Adding downcast v0.10.0 (available: v0.11.0)
[INFO] [stderr]       Adding float-cmp v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding fragile v1.2.2 (available: v2.0.0)
[INFO] [stderr]       Adding mockall v0.10.2 (available: v0.13.0)
[INFO] [stderr]       Adding mockall_derive v0.10.2 (available: v0.13.0)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.2)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.5.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding termtree v0.4.1 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3636baa2a50aaada6db4d9d5ec934ca28ecd2b30423fe987dbda8a753cf894ac
[INFO] running `Command { std: "docker" "start" "-a" "3636baa2a50aaada6db4d9d5ec934ca28ecd2b30423fe987dbda8a753cf894ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3636baa2a50aaada6db4d9d5ec934ca28ecd2b30423fe987dbda8a753cf894ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3636baa2a50aaada6db4d9d5ec934ca28ecd2b30423fe987dbda8a753cf894ac", kill_on_drop: false }`
[INFO] [stdout] 3636baa2a50aaada6db4d9d5ec934ca28ecd2b30423fe987dbda8a753cf894ac
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9404ad8abe58d78ac797f4ff0e8e3c3b75aae0d300b38b77db054a6c3dcc895d
[INFO] running `Command { std: "docker" "start" "-a" "9404ad8abe58d78ac797f4ff0e8e3c3b75aae0d300b38b77db054a6c3dcc895d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]     Checking fragile v1.2.2
[INFO] [stderr]     Checking dns-lookup v1.0.8
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking reachable v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mockall v0.10.2
[INFO] [stdout] error: this value of type `error::CheckTargetError` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/async_target.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let handler = move |_: &dyn Target, new: Status, old: OldStatus, error: Option<CheckTargetError>| {
[INFO] [stdout]     |                                                                          ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 265 |                     let error = error.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 `reachable` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9404ad8abe58d78ac797f4ff0e8e3c3b75aae0d300b38b77db054a6c3dcc895d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9404ad8abe58d78ac797f4ff0e8e3c3b75aae0d300b38b77db054a6c3dcc895d", kill_on_drop: false }`
[INFO] [stdout] 9404ad8abe58d78ac797f4ff0e8e3c3b75aae0d300b38b77db054a6c3dcc895d