[INFO] cloning repository https://github.com/Aloxaf/LeetCode-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aloxaf/LeetCode-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAloxaf%2FLeetCode-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAloxaf%2FLeetCode-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d0394b926e2b955ad3058375f63e3e624de29490 [INFO] checking Aloxaf/LeetCode-Rust/d0394b926e2b955ad3058375f63e3e624de29490 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%2FAloxaf%2FLeetCode-Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Aloxaf/LeetCode-Rust 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/Aloxaf/LeetCode-Rust [INFO] finished tweaking git repo https://github.com/Aloxaf/LeetCode-Rust [INFO] tweaked toml for git repo https://github.com/Aloxaf/LeetCode-Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Aloxaf/LeetCode-Rust 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 86ae6244b8949b6aa85523db42d06bb94054ff3f6c71d4e5eb6894f123130ec2 [INFO] running `Command { std: "docker" "start" "-a" "86ae6244b8949b6aa85523db42d06bb94054ff3f6c71d4e5eb6894f123130ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86ae6244b8949b6aa85523db42d06bb94054ff3f6c71d4e5eb6894f123130ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86ae6244b8949b6aa85523db42d06bb94054ff3f6c71d4e5eb6894f123130ec2", kill_on_drop: false }` [INFO] [stdout] 86ae6244b8949b6aa85523db42d06bb94054ff3f6c71d4e5eb6894f123130ec2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 13821aeac5c25d95434bb6e364096a2f842649e330ec8b580319fbc3b97eaee0 [INFO] running `Command { std: "docker" "start" "-a" "13821aeac5c25d95434bb6e364096a2f842649e330ec8b580319fbc3b97eaee0", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.38 [INFO] [stderr] Compiling leetcode_test v0.1.1 [INFO] [stderr] Checking leetcode_prelude v0.2.2 [INFO] [stderr] Checking leetcode 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/remove_nth_node_from_end_of_list.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn remove_nth_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | let mut dummy = Some(Box::new(ListNode::new(0))); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | dummy.unwrap().next [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] warning: unused borrow that must be used [INFO] [stdout] --> src/rotate_array.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | &nums.rotate_right(k as usize % len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = &nums.rotate_right(k as usize % len); [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/design_hashmap.rs:91:39 [INFO] [stdout] | [INFO] [stdout] 91 | self.find_by_key(key).map(|p| p.borrow().val).unwrap_or(-1) [INFO] [stdout] | - ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/remove_element.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | &v[0..5].sort(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = &v[0..5].sort(); [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/remove_nth_node_from_end_of_list.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn remove_nth_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | let mut dummy = Some(Box::new(ListNode::new(0))); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | dummy.unwrap().next [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] warning: unused borrow that must be used [INFO] [stdout] --> src/rotate_array.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | &nums.rotate_right(k as usize % len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = &nums.rotate_right(k as usize % len); [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/design_hashmap.rs:91:39 [INFO] [stdout] | [INFO] [stdout] 91 | self.find_by_key(key).map(|p| p.borrow().val).unwrap_or(-1) [INFO] [stdout] | - ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "13821aeac5c25d95434bb6e364096a2f842649e330ec8b580319fbc3b97eaee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13821aeac5c25d95434bb6e364096a2f842649e330ec8b580319fbc3b97eaee0", kill_on_drop: false }` [INFO] [stdout] 13821aeac5c25d95434bb6e364096a2f842649e330ec8b580319fbc3b97eaee0