[INFO] fetching crate approx-derive 0.1.4...
[INFO] checking approx-derive-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate approx-derive 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate approx-derive 0.1.4 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 approx-derive 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate approx-derive 0.1.4
[INFO] tweaked toml for crates.io crate approx-derive 0.1.4 written to /workspace/builds/worker-1-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 7 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5eaf202dc2fa2d36061de860a920ca0f92a74b2e7e68c5fd66fa942df4bd8933
[INFO] running `Command { std: "docker" "start" "-a" "5eaf202dc2fa2d36061de860a920ca0f92a74b2e7e68c5fd66fa942df4bd8933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eaf202dc2fa2d36061de860a920ca0f92a74b2e7e68c5fd66fa942df4bd8933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eaf202dc2fa2d36061de860a920ca0f92a74b2e7e68c5fd66fa942df4bd8933", kill_on_drop: false }`
[INFO] [stdout] 5eaf202dc2fa2d36061de860a920ca0f92a74b2e7e68c5fd66fa942df4bd8933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fac31c89dddcff2715f76e8088d179617a2c627cb9fa663f6e719133d205844b
[INFO] running `Command { std: "docker" "start" "-a" "fac31c89dddcff2715f76e8088d179617a2c627cb9fa663f6e719133d205844b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking approx-derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `syn::punctuated::Iter<'_, GenericParam>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |           let parent = self.get_epsilon_parent_type();
[INFO] [stdout]     |               ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 341 | /         self.item_struct
[INFO] [stdout] 342 | |             .generics
[INFO] [stdout] 343 | |             .params
[INFO] [stdout] 344 | |             .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: this value of type `syn::punctuated::Iter<'_, GenericParam>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |           let parent = self.get_epsilon_parent_type();
[INFO] [stdout]     |               ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 341 | /         self.item_struct
[INFO] [stdout] 342 | |             .generics
[INFO] [stdout] 343 | |             .params
[INFO] [stdout] 344 | |             .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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `approx-derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `approx-derive` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fac31c89dddcff2715f76e8088d179617a2c627cb9fa663f6e719133d205844b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac31c89dddcff2715f76e8088d179617a2c627cb9fa663f6e719133d205844b", kill_on_drop: false }`
[INFO] [stdout] fac31c89dddcff2715f76e8088d179617a2c627cb9fa663f6e719133d205844b