[INFO] cloning repository https://github.com/Why-not-now/higgs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Why-not-now/higgs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhy-not-now%2Fhiggs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhy-not-now%2Fhiggs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86ef6516602e269222f448aea3447f22c0dd2dc4 [INFO] checking Why-not-now/higgs/86ef6516602e269222f448aea3447f22c0dd2dc4 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%2FWhy-not-now%2Fhiggs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Why-not-now/higgs 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/Why-not-now/higgs [INFO] finished tweaking git repo https://github.com/Why-not-now/higgs [INFO] tweaked toml for git repo https://github.com/Why-not-now/higgs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Why-not-now/higgs 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b3c70758458b7c290335631cbf183020fc00ac331bd22d95ff0a64591c951ff5 [INFO] running `Command { std: "docker" "start" "-a" "b3c70758458b7c290335631cbf183020fc00ac331bd22d95ff0a64591c951ff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3c70758458b7c290335631cbf183020fc00ac331bd22d95ff0a64591c951ff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3c70758458b7c290335631cbf183020fc00ac331bd22d95ff0a64591c951ff5", kill_on_drop: false }` [INFO] [stdout] b3c70758458b7c290335631cbf183020fc00ac331bd22d95ff0a64591c951ff5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4814b0fd8135aa242832ed55aad4babd8c45d6ac01cbe72d013513992d0a0563 [INFO] running `Command { std: "docker" "start" "-a" "4814b0fd8135aa242832ed55aad4babd8c45d6ac01cbe72d013513992d0a0563", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Checking sorted-vec v0.8.3 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Compiling enum_dispatch v0.3.12 [INFO] [stderr] Checking higgs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/container/nucleus.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | fn all_moves(&self, board: Board) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `direction` [INFO] [stdout] --> src/container/nucleus.rs:53:28 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn one_move(&self, direction: Direction) -> Board { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/container/nucleus.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | fn all_moves(&self, board: Board) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `direction` [INFO] [stdout] --> src/container/nucleus.rs:53:28 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn one_move(&self, direction: Direction) -> Board { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [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/tree.rs:66:30 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn insert_child_of(&mut self, parent: K, value: T) -> KeyResult { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | Ok(self.nodes.insert(Node { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 67 | | value, [INFO] [stdout] 68 | | parents: vec![parent], [INFO] [stdout] 69 | | })) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `higgs` (lib) due to 2 previous errors; 2 warnings emitted [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/tree.rs:66:30 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn insert_child_of(&mut self, parent: K, value: T) -> KeyResult { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | Ok(self.nodes.insert(Node { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 67 | | value, [INFO] [stdout] 68 | | parents: vec![parent], [INFO] [stdout] 69 | | })) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `higgs` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4814b0fd8135aa242832ed55aad4babd8c45d6ac01cbe72d013513992d0a0563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4814b0fd8135aa242832ed55aad4babd8c45d6ac01cbe72d013513992d0a0563", kill_on_drop: false }` [INFO] [stdout] 4814b0fd8135aa242832ed55aad4babd8c45d6ac01cbe72d013513992d0a0563