[INFO] fetching crate r-gen-macro 0.0.1...
[INFO] checking r-gen-macro-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate r-gen-macro 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate r-gen-macro 0.0.1 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 r-gen-macro 0.0.1
[INFO] finished tweaking crates.io crate r-gen-macro 0.0.1
[INFO] tweaked toml for crates.io crate r-gen-macro 0.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[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] [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-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] 72d1ad44f524b0c757a4b472c04cc763fd739de3dd1fb397faed73cc0fca6c5f
[INFO] running `Command { std: "docker" "start" "-a" "72d1ad44f524b0c757a4b472c04cc763fd739de3dd1fb397faed73cc0fca6c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d1ad44f524b0c757a4b472c04cc763fd739de3dd1fb397faed73cc0fca6c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d1ad44f524b0c757a4b472c04cc763fd739de3dd1fb397faed73cc0fca6c5f", kill_on_drop: false }`
[INFO] [stdout] 72d1ad44f524b0c757a4b472c04cc763fd739de3dd1fb397faed73cc0fca6c5f
[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] f58d88ee6023eeaa2dd5b59b9cbcd35ed455a041d9f444ce84c897a50a2bc6a5
[INFO] running `Command { std: "docker" "start" "-a" "f58d88ee6023eeaa2dd5b59b9cbcd35ed455a041d9f444ce84c897a50a2bc6a5", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking r-gen-macro v0.0.1 (/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/lib.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn update_sample_params(group : Group) -> TokenStream {
[INFO] [stdout]     |                         ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 128 |     let mut new_params = TokenStream::from_str("_sample _trace ").unwrap();
[INFO] [stdout]     |             ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 129 |     new_params.extend(group.stream()); 
[INFO] [stdout] 130 |     TokenStream::from(TokenTree::Group(Group::new(Delimiter::Parenthesis, new_params)))
[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/lib.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn update_sample_params(group : Group) -> TokenStream {
[INFO] [stdout]     |                         ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 128 |     let mut new_params = TokenStream::from_str("_sample _trace ").unwrap();
[INFO] [stdout]     |             ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 129 |     new_params.extend(group.stream()); 
[INFO] [stdout] 130 |     TokenStream::from(TokenTree::Group(Group::new(Delimiter::Parenthesis, new_params)))
[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] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r-gen-macro` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r-gen-macro` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f58d88ee6023eeaa2dd5b59b9cbcd35ed455a041d9f444ce84c897a50a2bc6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58d88ee6023eeaa2dd5b59b9cbcd35ed455a041d9f444ce84c897a50a2bc6a5", kill_on_drop: false }`
[INFO] [stdout] f58d88ee6023eeaa2dd5b59b9cbcd35ed455a041d9f444ce84c897a50a2bc6a5