[INFO] fetching crate digtask 0.1.0...
[INFO] checking digtask-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate digtask 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate digtask 0.1.0 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 digtask 0.1.0
[INFO] finished tweaking crates.io crate digtask 0.1.0
[INFO] tweaked toml for crates.io crate digtask 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate digtask 0.1.0 already has a lockfile, it will not be regenerated
[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] b749887c5d1d7f9c4197b4aea754fc09bc4029a9fa8c5613a9c674cc5149a079
[INFO] running `Command { std: "docker" "start" "-a" "b749887c5d1d7f9c4197b4aea754fc09bc4029a9fa8c5613a9c674cc5149a079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b749887c5d1d7f9c4197b4aea754fc09bc4029a9fa8c5613a9c674cc5149a079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b749887c5d1d7f9c4197b4aea754fc09bc4029a9fa8c5613a9c674cc5149a079", kill_on_drop: false }`
[INFO] [stdout] b749887c5d1d7f9c4197b4aea754fc09bc4029a9fa8c5613a9c674cc5149a079
[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] bd3ce0be192d0435db67785d6bf1c1a4d24a83fd1613a37c7e31cd1103f67b7e
[INFO] running `Command { std: "docker" "start" "-a" "bd3ce0be192d0435db67785d6bf1c1a4d24a83fd1613a37c7e31cd1103f67b7e", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]     Checking digtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/core/config.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct DigConfig {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 23 |     #[serde(default = "default_version")]
[INFO] [stdout] 24 |     pub version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DigConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/core/step/basic_step.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut command = Command::new(true_entry);
[INFO] [stdout]    |                 ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 88 |         Ok((command, string_rep))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `digtask` (bin "dig") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/core/config.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct DigConfig {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 23 |     #[serde(default = "default_version")]
[INFO] [stdout] 24 |     pub version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DigConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/core/step/basic_step.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut command = Command::new(true_entry);
[INFO] [stdout]    |                 ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 88 |         Ok((command, string_rep))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `digtask` (bin "dig" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bd3ce0be192d0435db67785d6bf1c1a4d24a83fd1613a37c7e31cd1103f67b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3ce0be192d0435db67785d6bf1c1a4d24a83fd1613a37c7e31cd1103f67b7e", kill_on_drop: false }`
[INFO] [stdout] bd3ce0be192d0435db67785d6bf1c1a4d24a83fd1613a37c7e31cd1103f67b7e