[INFO] fetching crate learn-alg 0.1.1... [INFO] checking learn-alg-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate learn-alg 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate learn-alg 0.1.1 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 crates.io crate learn-alg 0.1.1 [INFO] finished tweaking crates.io crate learn-alg 0.1.1 [INFO] tweaked toml for crates.io crate learn-alg 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate learn-alg 0.1.1 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] 646817f9527ca4db42f01d1d48cb9e8a86fb537e2712861f39bedc31a9c1fa32 [INFO] running `Command { std: "docker" "start" "-a" "646817f9527ca4db42f01d1d48cb9e8a86fb537e2712861f39bedc31a9c1fa32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "646817f9527ca4db42f01d1d48cb9e8a86fb537e2712861f39bedc31a9c1fa32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "646817f9527ca4db42f01d1d48cb9e8a86fb537e2712861f39bedc31a9c1fa32", kill_on_drop: false }` [INFO] [stdout] 646817f9527ca4db42f01d1d48cb9e8a86fb537e2712861f39bedc31a9c1fa32 [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] 0e60f7d5f4971b14f85cf769396486c9d6e9cc02a2fb91a9361340942b3998df [INFO] running `Command { std: "docker" "start" "-a" "0e60f7d5f4971b14f85cf769396486c9d6e9cc02a2fb91a9361340942b3998df", kill_on_drop: false }` [INFO] [stderr] Checking learn-alg v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/bin/lru.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/bin/lru.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Reverse` is never used [INFO] [stdout] --> src/bin/palindrome.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | trait Reverse: PartialEq + Sized { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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/bin/lru.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 64 | let head_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | let tail_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | map: HashMap::new(), [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/bin/lru.rs:71:19 [INFO] [stdout] | [INFO] [stdout] 64 | let head_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | let tail_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 71 | head: Some(head_node), [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/bin/lru.rs:72:19 [INFO] [stdout] | [INFO] [stdout] 64 | let head_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | let tail_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 72 | tail: Some(tail_node), [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 3 previous errors; 1 warning emitted [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/bin/lru.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 64 | let head_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | let tail_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | map: HashMap::new(), [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/bin/lru.rs:71:19 [INFO] [stdout] | [INFO] [stdout] 64 | let head_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | let tail_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 71 | head: Some(head_node), [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/bin/lru.rs:72:19 [INFO] [stdout] | [INFO] [stdout] 64 | let head_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | let tail_node = Rc::new(RefCell::new(ListNode::default())); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 72 | tail: Some(tail_node), [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 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learn-alg` (bin "lru" test) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `learn-alg` (bin "lru") due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "0e60f7d5f4971b14f85cf769396486c9d6e9cc02a2fb91a9361340942b3998df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e60f7d5f4971b14f85cf769396486c9d6e9cc02a2fb91a9361340942b3998df", kill_on_drop: false }` [INFO] [stdout] 0e60f7d5f4971b14f85cf769396486c9d6e9cc02a2fb91a9361340942b3998df