[INFO] cloning repository https://github.com/mitchellgoffpc/mcts [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mitchellgoffpc/mcts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchellgoffpc%2Fmcts", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchellgoffpc%2Fmcts'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a9a5aa91d67435115c9b034436c08872c3df268 [INFO] checking mitchellgoffpc/mcts against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchellgoffpc%2Fmcts" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mitchellgoffpc/mcts on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mitchellgoffpc/mcts [INFO] finished tweaking git repo https://github.com/mitchellgoffpc/mcts [INFO] tweaked toml for git repo https://github.com/mitchellgoffpc/mcts written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mitchellgoffpc/mcts 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 994de9285ac4574b5858cf052bb2347fcc6e8edb8a8997ed6c48087f5204cd8e [INFO] running `Command { std: "docker" "start" "-a" "994de9285ac4574b5858cf052bb2347fcc6e8edb8a8997ed6c48087f5204cd8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "994de9285ac4574b5858cf052bb2347fcc6e8edb8a8997ed6c48087f5204cd8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "994de9285ac4574b5858cf052bb2347fcc6e8edb8a8997ed6c48087f5204cd8e", kill_on_drop: false }` [INFO] [stdout] 994de9285ac4574b5858cf052bb2347fcc6e8edb8a8997ed6c48087f5204cd8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce0893f2eaea3ab1df1e38bad0a956d97972f2e7719992322573b173a4d621c2 [INFO] running `Command { std: "docker" "start" "-a" "ce0893f2eaea3ab1df1e38bad0a956d97972f2e7719992322573b173a4d621c2", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking connect4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s [INFO] running `Command { std: "docker" "inspect" "ce0893f2eaea3ab1df1e38bad0a956d97972f2e7719992322573b173a4d621c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce0893f2eaea3ab1df1e38bad0a956d97972f2e7719992322573b173a4d621c2", kill_on_drop: false }` [INFO] [stdout] ce0893f2eaea3ab1df1e38bad0a956d97972f2e7719992322573b173a4d621c2 [INFO] checking mitchellgoffpc/mcts against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchellgoffpc%2Fmcts" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mitchellgoffpc/mcts on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mitchellgoffpc/mcts [INFO] finished tweaking git repo https://github.com/mitchellgoffpc/mcts [INFO] tweaked toml for git repo https://github.com/mitchellgoffpc/mcts written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mitchellgoffpc/mcts 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 500da636a7f799e5f2548675447c3bab71d6334779c5334e97988db30a11c8c0 [INFO] running `Command { std: "docker" "start" "-a" "500da636a7f799e5f2548675447c3bab71d6334779c5334e97988db30a11c8c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "500da636a7f799e5f2548675447c3bab71d6334779c5334e97988db30a11c8c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "500da636a7f799e5f2548675447c3bab71d6334779c5334e97988db30a11c8c0", kill_on_drop: false }` [INFO] [stdout] 500da636a7f799e5f2548675447c3bab71d6334779c5334e97988db30a11c8c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2349505112020c33beaced117679f5bad1135806db285b8b76c26b0b7c49a12 [INFO] running `Command { std: "docker" "start" "-a" "b2349505112020c33beaced117679f5bad1135806db285b8b76c26b0b7c49a12", kill_on_drop: false }` [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking connect4 v0.1.0 (/opt/rustwide/workdir) [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:35:17 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn new(state: State, parent: Option>>, parent_action: Option) -> Rc> { [INFO] [stdout] | ------------ ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 36 | | state, [INFO] [stdout] 37 | | parent, [INFO] [stdout] 38 | | parent_action, [INFO] [stdout] ... | [INFO] [stdout] 42 | | action_probs, [INFO] [stdout] 43 | | })) [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/mcts.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 81 | let action_prob = self.parent.as_ref().and_then(|parent_weak| parent_weak.upgrade()).map_or(0.0, |parent| { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 82 | parent.borrow().action_probs.get(&self.parent_action.unwrap()).copied().unwrap_or(0.0) [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: 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:157:58 [INFO] [stdout] | [INFO] [stdout] 157 | root.borrow().children.iter().max_by_key(|child| child.borrow().visit_count) [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: 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:158:31 [INFO] [stdout] | [INFO] [stdout] 158 | .and_then(|child| child.borrow().parent_action).unwrap() [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `connect4` (bin "connect4" test) due to 5 previous errors [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/mcts.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn new(state: State, parent: Option>>, parent_action: Option) -> Rc> { [INFO] [stdout] | ------------ ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 36 | | state, [INFO] [stdout] 37 | | parent, [INFO] [stdout] 38 | | parent_action, [INFO] [stdout] ... | [INFO] [stdout] 42 | | action_probs, [INFO] [stdout] 43 | | })) [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/mcts.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 81 | let action_prob = self.parent.as_ref().and_then(|parent_weak| parent_weak.upgrade()).map_or(0.0, |parent| { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 82 | parent.borrow().action_probs.get(&self.parent_action.unwrap()).copied().unwrap_or(0.0) [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: 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:157:58 [INFO] [stdout] | [INFO] [stdout] 157 | root.borrow().children.iter().max_by_key(|child| child.borrow().visit_count) [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: 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:158:31 [INFO] [stdout] | [INFO] [stdout] 158 | .and_then(|child| child.borrow().parent_action).unwrap() [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `connect4` (bin "connect4") due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "b2349505112020c33beaced117679f5bad1135806db285b8b76c26b0b7c49a12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2349505112020c33beaced117679f5bad1135806db285b8b76c26b0b7c49a12", kill_on_drop: false }` [INFO] [stdout] b2349505112020c33beaced117679f5bad1135806db285b8b76c26b0b7c49a12