[INFO] fetching crate zng-color-proc-macros 0.2.6...
[INFO] checking zng-color-proc-macros-0.2.6 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate zng-color-proc-macros 0.2.6 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate zng-color-proc-macros 0.2.6 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 zng-color-proc-macros 0.2.6
[INFO] finished tweaking crates.io crate zng-color-proc-macros 0.2.6
[INFO] tweaked toml for crates.io crate zng-color-proc-macros 0.2.6 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" "+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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 594690371d5c0b297ada24ecc90fa171742b565860876d30f0526286525b3648
[INFO] running `Command { std: "docker" "start" "-a" "594690371d5c0b297ada24ecc90fa171742b565860876d30f0526286525b3648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594690371d5c0b297ada24ecc90fa171742b565860876d30f0526286525b3648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594690371d5c0b297ada24ecc90fa171742b565860876d30f0526286525b3648", kill_on_drop: false }`
[INFO] [stdout] 594690371d5c0b297ada24ecc90fa171742b565860876d30f0526286525b3648
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec940d02e74fcadcbb95e630c4a8d95c9be609f8c6a484a4122c874cd778645e
[INFO] running `Command { std: "docker" "start" "-a" "ec940d02e74fcadcbb95e630c4a8d95c9be609f8c6a484a4122c874cd778645e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking zng-color-proc-macros v0.2.6 (/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/hex_color.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn expand(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                 ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |       let Input { crate_, hex, .. } = parse_macro_input!(input as Input);
[INFO] [stdout]    |                   ------  ---         ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   |       |
[INFO] [stdout]    |                   |       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 32 | /     match hex_only.len() {
[INFO] [stdout] 33 | |         // RRGGBB
[INFO] [stdout] 34 | |         6 => {
[INFO] [stdout] 35 | |             let rgb = pair_to_f32(&hex_only);
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         }
[INFO] [stdout] 67 | |     }
[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 `zng-color-proc-macros` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/hex_color.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn expand(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                 ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |       let Input { crate_, hex, .. } = parse_macro_input!(input as Input);
[INFO] [stdout]    |                   ------  ---         ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   |       |
[INFO] [stdout]    |                   |       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 32 | /     match hex_only.len() {
[INFO] [stdout] 33 | |         // RRGGBB
[INFO] [stdout] 34 | |         6 => {
[INFO] [stdout] 35 | |             let rgb = pair_to_f32(&hex_only);
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         }
[INFO] [stdout] 67 | |     }
[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 `zng-color-proc-macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec940d02e74fcadcbb95e630c4a8d95c9be609f8c6a484a4122c874cd778645e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec940d02e74fcadcbb95e630c4a8d95c9be609f8c6a484a4122c874cd778645e", kill_on_drop: false }`
[INFO] [stdout] ec940d02e74fcadcbb95e630c4a8d95c9be609f8c6a484a4122c874cd778645e