[INFO] cloning repository https://github.com/Flickpink/mcts-tictactoe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flickpink/mcts-tictactoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlickpink%2Fmcts-tictactoe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlickpink%2Fmcts-tictactoe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 162607dabcb04527a1c89c5927d1ae7114ce0aed [INFO] checking Flickpink/mcts-tictactoe/162607dabcb04527a1c89c5927d1ae7114ce0aed 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%2FFlickpink%2Fmcts-tictactoe" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Flickpink/mcts-tictactoe 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/Flickpink/mcts-tictactoe [INFO] finished tweaking git repo https://github.com/Flickpink/mcts-tictactoe [INFO] tweaked toml for git repo https://github.com/Flickpink/mcts-tictactoe written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Flickpink/mcts-tictactoe 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-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] da6e6be6849ec33feb979bdfd1e18d57d752f121930a4a6a5a0345d1f493d85b [INFO] running `Command { std: "docker" "start" "-a" "da6e6be6849ec33feb979bdfd1e18d57d752f121930a4a6a5a0345d1f493d85b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da6e6be6849ec33feb979bdfd1e18d57d752f121930a4a6a5a0345d1f493d85b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da6e6be6849ec33feb979bdfd1e18d57d752f121930a4a6a5a0345d1f493d85b", kill_on_drop: false }` [INFO] [stdout] da6e6be6849ec33feb979bdfd1e18d57d752f121930a4a6a5a0345d1f493d85b [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] 62c5c1745ea7658b12331b62b7e113392c04f3b559c6b3b4674e443753ce0f69 [INFO] running `Command { std: "docker" "start" "-a" "62c5c1745ea7658b12331b62b7e113392c04f3b559c6b3b4674e443753ce0f69", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ordered-float v3.4.0 [INFO] [stderr] Checking tictactoe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Deref` [INFO] [stdout] --> src/mcts.rs:202:33 [INFO] [stdout] | [INFO] [stdout] 202 | use std::{ops::{Index,IndexMut, Deref}, f32::NEG_INFINITY}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GameState` [INFO] [stdout] --> src/mcts.rs:204:24 [INFO] [stdout] | [INFO] [stdout] 204 | use crate::tictactoe::{GameState}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deref` [INFO] [stdout] --> src/mcts.rs:202:33 [INFO] [stdout] | [INFO] [stdout] 202 | use std::{ops::{Index,IndexMut, Deref}, f32::NEG_INFINITY}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GameState` [INFO] [stdout] --> src/mcts.rs:204:24 [INFO] [stdout] | [INFO] [stdout] 204 | use crate::tictactoe::{GameState}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_root` is never used [INFO] [stdout] --> src/mcts.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 28 | impl Node { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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/mcts.rs:122:25 [INFO] [stdout] | [INFO] [stdout] 121 | fn child_from_with_gamestate(&mut self, parent: usize, gs: T) { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 122 | self.nodes.push(self[parent].new_child_with_gamestate(&self, gs)) [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 `tictactoe` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `is_root` is never used [INFO] [stdout] --> src/mcts.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 28 | impl Node { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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/mcts.rs:122:25 [INFO] [stdout] | [INFO] [stdout] 121 | fn child_from_with_gamestate(&mut self, parent: usize, gs: T) { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 122 | self.nodes.push(self[parent].new_child_with_gamestate(&self, gs)) [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 `tictactoe` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "62c5c1745ea7658b12331b62b7e113392c04f3b559c6b3b4674e443753ce0f69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62c5c1745ea7658b12331b62b7e113392c04f3b559c6b3b4674e443753ce0f69", kill_on_drop: false }` [INFO] [stdout] 62c5c1745ea7658b12331b62b7e113392c04f3b559c6b3b4674e443753ce0f69