[INFO] fetching crate cfg_attrs 3.0.0...
[INFO] checking cfg_attrs-3.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate cfg_attrs 3.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cfg_attrs 3.0.0 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 cfg_attrs 3.0.0
[INFO] finished tweaking crates.io crate cfg_attrs 3.0.0
[INFO] tweaked toml for crates.io crate cfg_attrs 3.0.0 written to /workspace/builds/worker-5-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 5 packages to latest compatible versions
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e391c6a00007bec4beb2fff96959be0c8da4c5ff46aad79aec2761c3f7b6ac86
[INFO] running `Command { std: "docker" "start" "-a" "e391c6a00007bec4beb2fff96959be0c8da4c5ff46aad79aec2761c3f7b6ac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e391c6a00007bec4beb2fff96959be0c8da4c5ff46aad79aec2761c3f7b6ac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e391c6a00007bec4beb2fff96959be0c8da4c5ff46aad79aec2761c3f7b6ac86", kill_on_drop: false }`
[INFO] [stdout] e391c6a00007bec4beb2fff96959be0c8da4c5ff46aad79aec2761c3f7b6ac86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c30619349ca6e9faedf779486c50d633578c0ae8b0c4c35c8a0fd48a177ecac8
[INFO] running `Command { std: "docker" "start" "-a" "c30619349ca6e9faedf779486c50d633578c0ae8b0c4c35c8a0fd48a177ecac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_attrs v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking syn v2.0.77
[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:349:38
[INFO] [stdout]     |
[INFO] [stdout] 348 |   fn fields_named_to_tokens(fields: FieldsNamed, tokens: &mut TokenStream2) {
[INFO] [stdout]     |                             ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 349 |       fields.brace_token.surround(tokens, |tokens| {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 350 | |         for pair in fields.named.into_pairs() {
[INFO] [stdout] 351 | |             let (field, comma) = match pair {
[INFO] [stdout] 352 | |                 Pair::Punctuated(field, comma) => (field, Some(comma)),
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |         }
[INFO] [stdout] 359 | |     })
[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] [stderr] error: could not compile `cfg_attrs` (lib test) due to 3 previous errors
[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:420:6
[INFO] [stdout]     |
[INFO] [stdout] 419 |       fn try_from(attribute: Attribute) -> syn::Result<Self> {
[INFO] [stdout]     |                   -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 420 |           Ok(if attribute.path().is_ident("configure") {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 421 | |             let (path, meta) = match attribute.meta {
[INFO] [stdout] 422 | |                 Meta::List(list) => (list.path, syn::parse2(list.tokens)?),
[INFO] [stdout] 423 | |                 other => {
[INFO] [stdout] ...   |
[INFO] [stdout] 438 | |             Attr::Other(attribute)
[INFO] [stdout] 439 | |         })
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[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:349:38
[INFO] [stdout]     |
[INFO] [stdout] 348 |   fn fields_named_to_tokens(fields: FieldsNamed, tokens: &mut TokenStream2) {
[INFO] [stdout]     |                             ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 349 |       fields.brace_token.surround(tokens, |tokens| {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 350 | |         for pair in fields.named.into_pairs() {
[INFO] [stdout] 351 | |             let (field, comma) = match pair {
[INFO] [stdout] 352 | |                 Pair::Punctuated(field, comma) => (field, Some(comma)),
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |         }
[INFO] [stdout] 359 | |     })
[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:420:6
[INFO] [stdout]     |
[INFO] [stdout] 419 |       fn try_from(attribute: Attribute) -> syn::Result<Self> {
[INFO] [stdout]     |                   -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 420 |           Ok(if attribute.path().is_ident("configure") {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 421 | |             let (path, meta) = match attribute.meta {
[INFO] [stdout] 422 | |                 Meta::List(list) => (list.path, syn::parse2(list.tokens)?),
[INFO] [stdout] 423 | |                 other => {
[INFO] [stdout] ...   |
[INFO] [stdout] 438 | |             Attr::Other(attribute)
[INFO] [stdout] 439 | |         })
[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 `cfg_attrs` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c30619349ca6e9faedf779486c50d633578c0ae8b0c4c35c8a0fd48a177ecac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30619349ca6e9faedf779486c50d633578c0ae8b0c4c35c8a0fd48a177ecac8", kill_on_drop: false }`
[INFO] [stdout] c30619349ca6e9faedf779486c50d633578c0ae8b0c4c35c8a0fd48a177ecac8