[INFO] cloning repository https://github.com/Alexnortung/leetcode-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexnortung/leetcode-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexnortung%2Fleetcode-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexnortung%2Fleetcode-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2231f2d4586630ff666809a827b0f4a51237ed06 [INFO] checking Alexnortung/leetcode-solutions/2231f2d4586630ff666809a827b0f4a51237ed06 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%2FAlexnortung%2Fleetcode-solutions" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Alexnortung/leetcode-solutions 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/Alexnortung/leetcode-solutions [INFO] finished tweaking git repo https://github.com/Alexnortung/leetcode-solutions [INFO] tweaked toml for git repo https://github.com/Alexnortung/leetcode-solutions written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Alexnortung/leetcode-solutions 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] 4844d3cb01b457fee0cd0ba9a0e44162b7b0a603e5574a1c6998887e6a2c8b80 [INFO] running `Command { std: "docker" "start" "-a" "4844d3cb01b457fee0cd0ba9a0e44162b7b0a603e5574a1c6998887e6a2c8b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4844d3cb01b457fee0cd0ba9a0e44162b7b0a603e5574a1c6998887e6a2c8b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4844d3cb01b457fee0cd0ba9a0e44162b7b0a603e5574a1c6998887e6a2c8b80", kill_on_drop: false }` [INFO] [stdout] 4844d3cb01b457fee0cd0ba9a0e44162b7b0a603e5574a1c6998887e6a2c8b80 [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] 106562e65f822a0a795c5a14d5bb8d7b83f945b63f25316adc5e1e7f8a571567 [INFO] running `Command { std: "docker" "start" "-a" "106562e65f822a0a795c5a14d5bb8d7b83f945b63f25316adc5e1e7f8a571567", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/problems/p00004_median_of_two_sorted_arrays/mod.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 117 | return (shortest_nums[mid] + longest_nums[mid2]) as f64 / 2.0; [INFO] [stdout] | ------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 174 | 0.0 [INFO] [stdout] | ^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/problems/p00004_median_of_two_sorted_arrays/mod.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 117 | return (shortest_nums[mid] + longest_nums[mid2]) as f64 / 2.0; [INFO] [stdout] | ------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 174 | 0.0 [INFO] [stdout] | ^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `helper` is never used [INFO] [stdout] --> src/problems/p00002_add_two_numbers/mod.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn helper( [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/problems/p00002_add_two_numbers/mod.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 18 | l1: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 19 | l2: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | let mut node = ListNode::new(result); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | let l1_next = l1.map(|node| node.next).flatten(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let l2_next = l2.map(|node| node.next).flatten(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | Some(Box::new(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] = 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/problems/p00002_add_two_numbers/mod.rs:77:14 [INFO] [stdout] | [INFO] [stdout] 43 | l1: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | l2: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | let mut head = ListNode::new(0); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | let mut tail = &mut head; [INFO] [stdout] 49 | let mut l1 = l1; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | let mut l2 = l2; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 77 | Some(Box::new(ListNode::new(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: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (bin "leetcode") due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `helper` is never used [INFO] [stdout] --> src/problems/p00002_add_two_numbers/mod.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn helper( [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/problems/p00002_add_two_numbers/mod.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 18 | l1: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 19 | l2: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | let mut node = ListNode::new(result); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | let l1_next = l1.map(|node| node.next).flatten(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let l2_next = l2.map(|node| node.next).flatten(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | Some(Box::new(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] = 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/problems/p00002_add_two_numbers/mod.rs:77:14 [INFO] [stdout] | [INFO] [stdout] 43 | l1: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | l2: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | let mut head = ListNode::new(0); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | let mut tail = &mut head; [INFO] [stdout] 49 | let mut l1 = l1; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | let mut l2 = l2; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 77 | Some(Box::new(ListNode::new(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: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (bin "leetcode" test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "106562e65f822a0a795c5a14d5bb8d7b83f945b63f25316adc5e1e7f8a571567", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "106562e65f822a0a795c5a14d5bb8d7b83f945b63f25316adc5e1e7f8a571567", kill_on_drop: false }` [INFO] [stdout] 106562e65f822a0a795c5a14d5bb8d7b83f945b63f25316adc5e1e7f8a571567