[INFO] cloning repository https://github.com/dinkdino/rust_algo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinkdino/rust_algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc8630a2f999803aafc1e190f0b992eb616d28dd [INFO] checking dinkdino/rust_algo/fc8630a2f999803aafc1e190f0b992eb616d28dd against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dinkdino/rust_algo 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 git repo https://github.com/dinkdino/rust_algo [INFO] finished tweaking git repo https://github.com/dinkdino/rust_algo [INFO] tweaked toml for git repo https://github.com/dinkdino/rust_algo written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dinkdino/rust_algo 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c15b6197326996ea66e50983ca9612e3806e1c17c761ff7de1e8980675728f1c [INFO] running `Command { std: "docker" "start" "-a" "c15b6197326996ea66e50983ca9612e3806e1c17c761ff7de1e8980675728f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c15b6197326996ea66e50983ca9612e3806e1c17c761ff7de1e8980675728f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c15b6197326996ea66e50983ca9612e3806e1c17c761ff7de1e8980675728f1c", kill_on_drop: false }` [INFO] [stdout] c15b6197326996ea66e50983ca9612e3806e1c17c761ff7de1e8980675728f1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2b3b5b8ce716aeea87c7609f34c0ce9bd8807b658fec03cca3eb08d1be4a2f0b [INFO] running `Command { std: "docker" "start" "-a" "2b3b5b8ce716aeea87c7609f34c0ce9bd8807b658fec03cca3eb08d1be4a2f0b", kill_on_drop: false }` [INFO] [stderr] Checking rust_algo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `heap::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use heap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `heap::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use heap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/heap.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `sink`, `push`, and `pop` are never used [INFO] [stdout] --> src/heap.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 8 | / impl Heap [INFO] [stdout] 9 | | where F: Fn(&T, &T) -> cmp::Ordering { [INFO] [stdout] | |________________________________________- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn sink(&mut self, index: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [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/heap.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | Heap { nodes: Vec::new(), compare } [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/heap.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `sink`, `push`, and `pop` are never used [INFO] [stdout] --> src/heap.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 8 | / impl Heap [INFO] [stdout] 9 | | where F: Fn(&T, &T) -> cmp::Ordering { [INFO] [stdout] | |________________________________________- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn sink(&mut self, index: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [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/heap.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | Heap { nodes: Vec::new(), compare } [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_algo` (bin "rust_algo") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust_algo` (bin "rust_algo" test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2b3b5b8ce716aeea87c7609f34c0ce9bd8807b658fec03cca3eb08d1be4a2f0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3b5b8ce716aeea87c7609f34c0ce9bd8807b658fec03cca3eb08d1be4a2f0b", kill_on_drop: false }` [INFO] [stdout] 2b3b5b8ce716aeea87c7609f34c0ce9bd8807b658fec03cca3eb08d1be4a2f0b