[INFO] fetching crate zenith-opt 0.0.1... [INFO] checking zenith-opt-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate zenith-opt 0.0.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate zenith-opt 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 zenith-opt 0.0.1 [INFO] finished tweaking crates.io crate zenith-opt 0.0.1 [INFO] tweaked toml for crates.io crate zenith-opt 0.0.1 written to /workspace/builds/worker-6-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] 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7da8abcd93e5670100ef910a17fec9963741d469bf051a7524178967cd6a2ac4 [INFO] running `Command { std: "docker" "start" "-a" "7da8abcd93e5670100ef910a17fec9963741d469bf051a7524178967cd6a2ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7da8abcd93e5670100ef910a17fec9963741d469bf051a7524178967cd6a2ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7da8abcd93e5670100ef910a17fec9963741d469bf051a7524178967cd6a2ac4", kill_on_drop: false }` [INFO] [stdout] 7da8abcd93e5670100ef910a17fec9963741d469bf051a7524178967cd6a2ac4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 406ad6eb20b24c4ef2aececba525bcc82ed09ed6113bc133a82906c036c10332 [INFO] running `Command { std: "docker" "start" "-a" "406ad6eb20b24c4ef2aececba525bcc82ed09ed6113bc133a82906c036c10332", kill_on_drop: false }` [INFO] [stderr] Checking zenith-opt v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `LocalOptimizationProblem` is never used [INFO] [stdout] --> src/individual.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 15 | pub trait LocalOptimizationProblem: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hill_climbing_search` is never used [INFO] [stdout] --> src/individual.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn hill_climbing_search>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [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/individual.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | .max_by(|s1, s2| s1.evaluate().cmp(&s2.evaluate())); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/individual.rs:30:49 [INFO] [stdout] | [INFO] [stdout] 30 | .max_by(|s1, s2| s1.evaluate().cmp(&s2.evaluate())); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [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/individual.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | .max_by(|s1, s2| s1.evaluate().cmp(&s2.evaluate())); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/individual.rs:30:49 [INFO] [stdout] | [INFO] [stdout] 30 | .max_by(|s1, s2| s1.evaluate().cmp(&s2.evaluate())); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zenith-opt` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `zenith-opt` (lib) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "406ad6eb20b24c4ef2aececba525bcc82ed09ed6113bc133a82906c036c10332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "406ad6eb20b24c4ef2aececba525bcc82ed09ed6113bc133a82906c036c10332", kill_on_drop: false }` [INFO] [stdout] 406ad6eb20b24c4ef2aececba525bcc82ed09ed6113bc133a82906c036c10332