[INFO] fetching crate meshed 0.2.1...
[INFO] checking meshed-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate meshed 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate meshed 0.2.1 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 meshed 0.2.1
[INFO] finished tweaking crates.io crate meshed 0.2.1
[INFO] tweaked toml for crates.io crate meshed 0.2.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[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] 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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 688094b433bc96ed4dd9d4369b07ff97f3de92edd4c491613508301ac9971bab
[INFO] running `Command { std: "docker" "start" "-a" "688094b433bc96ed4dd9d4369b07ff97f3de92edd4c491613508301ac9971bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "688094b433bc96ed4dd9d4369b07ff97f3de92edd4c491613508301ac9971bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688094b433bc96ed4dd9d4369b07ff97f3de92edd4c491613508301ac9971bab", kill_on_drop: false }`
[INFO] [stdout] 688094b433bc96ed4dd9d4369b07ff97f3de92edd4c491613508301ac9971bab
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e52b5211d2be228770c4168f9302e229a0d5abc5e3155bd62b9741ffbf9129f2
[INFO] running `Command { std: "docker" "start" "-a" "e52b5211d2be228770c4168f9302e229a0d5abc5e3155bd62b9741ffbf9129f2", kill_on_drop: false }`
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking meshed v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `(Started, Instruction<R>)` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/graph/traversal.rs:367:15
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn drive_edge<F, R>(&mut self, mut test_fn: F) -> Option<R>
[INFO] [stdout]     |                                        ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 362 |         let (meta, edge) = match self.mode.1 {
[INFO] [stdout]     |              ----  ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |              |
[INFO] [stdout]     |              these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 367 |         match (self.mode, test_fn(meta.clone(), edge.clone())) {
[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 `(Started, Instruction<R>)` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/graph/traversal.rs:367:15
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn drive_edge<F, R>(&mut self, mut test_fn: F) -> Option<R>
[INFO] [stdout]     |                                        ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 362 |         let (meta, edge) = match self.mode.1 {
[INFO] [stdout]     |              ----  ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |              |
[INFO] [stdout]     |              these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 367 |         match (self.mode, test_fn(meta.clone(), edge.clone())) {
[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] warning: trait `AbstractGraph` is never used
[INFO] [stdout]    --> src/graph.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait AbstractGraph {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SimpleGraph` is never used
[INFO] [stdout]    --> src/graph.rs:289:10
[INFO] [stdout]     |
[INFO] [stdout] 289 |     type SimpleGraph = Graph<SimpleGraphDefinition>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TestGraph` is never used
[INFO] [stdout]    --> src/graph.rs:340:10
[INFO] [stdout]     |
[INFO] [stdout] 340 |     type TestGraph = Graph<SimpleGraph>;
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AbstractGraph` is never used
[INFO] [stdout]    --> src/graph.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait AbstractGraph {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[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 `meshed` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `meshed` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e52b5211d2be228770c4168f9302e229a0d5abc5e3155bd62b9741ffbf9129f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52b5211d2be228770c4168f9302e229a0d5abc5e3155bd62b9741ffbf9129f2", kill_on_drop: false }`
[INFO] [stdout] e52b5211d2be228770c4168f9302e229a0d5abc5e3155bd62b9741ffbf9129f2