[INFO] fetching crate lichen 0.3.8... [INFO] building lichen-0.3.8 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate lichen 0.3.8 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate lichen 0.3.8 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lichen 0.3.8 [INFO] finished tweaking crates.io crate lichen 0.3.8 [INFO] tweaked toml for crates.io crate lichen 0.3.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate lichen 0.3.8 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f8bc55bb179c323b89590b66014793733355d4d69b960d4cf4fdf47ce9c5504 [INFO] running `Command { std: "docker" "start" "-a" "6f8bc55bb179c323b89590b66014793733355d4d69b960d4cf4fdf47ce9c5504", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f8bc55bb179c323b89590b66014793733355d4d69b960d4cf4fdf47ce9c5504", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f8bc55bb179c323b89590b66014793733355d4d69b960d4cf4fdf47ce9c5504", kill_on_drop: false }` [INFO] [stdout] 6f8bc55bb179c323b89590b66014793733355d4d69b960d4cf4fdf47ce9c5504 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53a3cd6a1f2ce5e1475c250faa8d0e3a703a9c3cbffeb900e28f19c2927a970a [INFO] running `Command { std: "docker" "start" "-a" "53a3cd6a1f2ce5e1475c250faa8d0e3a703a9c3cbffeb900e28f19c2927a970a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling lichen v0.3.8 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "53a3cd6a1f2ce5e1475c250faa8d0e3a703a9c3cbffeb900e28f19c2927a970a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53a3cd6a1f2ce5e1475c250faa8d0e3a703a9c3cbffeb900e28f19c2927a970a", kill_on_drop: false }` [INFO] [stdout] 53a3cd6a1f2ce5e1475c250faa8d0e3a703a9c3cbffeb900e28f19c2927a970a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd217c0d0629961f34e93ab54b9376143a650971e6877f7fbab9cfceae9ea856 [INFO] running `Command { std: "docker" "start" "-a" "bd217c0d0629961f34e93ab54b9376143a650971e6877f7fbab9cfceae9ea856", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling lichen v0.3.8 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> tests/samples.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | match Parser::parse_blocks(src.to_mut()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 15 | Ok(p) => { [INFO] [stdout] 16 | let mut env = p.into_env(); [INFO] [stdout] | ------- [INFO] [stdout] | | [INFO] [stdout] | `env` calls a custom destructor [INFO] [stdout] | `env` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `env` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lichen` (test "samples") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> tests/state.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 13 | coins: f32, [INFO] [stdout] 14 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Player` 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] running `Command { std: "docker" "inspect" "bd217c0d0629961f34e93ab54b9376143a650971e6877f7fbab9cfceae9ea856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd217c0d0629961f34e93ab54b9376143a650971e6877f7fbab9cfceae9ea856", kill_on_drop: false }` [INFO] [stdout] bd217c0d0629961f34e93ab54b9376143a650971e6877f7fbab9cfceae9ea856