[INFO] cloning repository https://github.com/daniel-j-anderson-dev/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-j-anderson-dev/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bba54fcfe703dfa69a21857ebaca23fcb2f7ecc8 [INFO] checking daniel-j-anderson-dev/leetcode against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fleetcode" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daniel-j-anderson-dev/leetcode 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/daniel-j-anderson-dev/leetcode [INFO] finished tweaking git repo https://github.com/daniel-j-anderson-dev/leetcode [INFO] tweaked toml for git repo https://github.com/daniel-j-anderson-dev/leetcode written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/daniel-j-anderson-dev/leetcode 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3045a4254a3803212477735b5e2d91e4058f8ed39bdf1951d19700e393020c9b [INFO] running `Command { std: "docker" "start" "-a" "3045a4254a3803212477735b5e2d91e4058f8ed39bdf1951d19700e393020c9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3045a4254a3803212477735b5e2d91e4058f8ed39bdf1951d19700e393020c9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3045a4254a3803212477735b5e2d91e4058f8ed39bdf1951d19700e393020c9b", kill_on_drop: false }` [INFO] [stdout] 3045a4254a3803212477735b5e2d91e4058f8ed39bdf1951d19700e393020c9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4f0bf245de6ac450d7edfdbb6ac1b962475d05cbd1170cecf49cde302a1f7d4f [INFO] running `Command { std: "docker" "start" "-a" "4f0bf245de6ac450d7edfdbb6ac1b962475d05cbd1170cecf49cde302a1f7d4f", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `median` is never used [INFO] [stdout] --> examples/median_of_two_sorted_arrays.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn median(nums1: Vec, nums2: Vec) -> f64 { [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] warning: function `minimum_boxes` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:200:12 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn minimum_boxes(n: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `all_indexes` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:221:8 [INFO] [stdout] | [INFO] [stdout] 221 | fn all_indexes(len: usize) -> impl ParallelIterator { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `valid_indexes` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:229:8 [INFO] [stdout] | [INFO] [stdout] 229 | fn valid_indexes<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_best_index` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:274:8 [INFO] [stdout] | [INFO] [stdout] 274 | fn find_best_index( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `longest` [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut longest = ""; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let mut longest = ""; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring_without_repeats_loops` is never used [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn length_of_longest_substring_without_repeats_loops(s: &str) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring_without_repeats` is never used [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn length_of_longest_substring_without_repeats(s: &str) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_to_vec` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn list_to_vec(val: Box) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_into_iter` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn list_into_iter(val: Box) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_from_iter` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn list_from_iter>(iter: I) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_from_usize` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn list_from_usize(value: usize) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn add(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "4f0bf245de6ac450d7edfdbb6ac1b962475d05cbd1170cecf49cde302a1f7d4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f0bf245de6ac450d7edfdbb6ac1b962475d05cbd1170cecf49cde302a1f7d4f", kill_on_drop: false }` [INFO] [stdout] 4f0bf245de6ac450d7edfdbb6ac1b962475d05cbd1170cecf49cde302a1f7d4f [INFO] checking daniel-j-anderson-dev/leetcode 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%2Fdaniel-j-anderson-dev%2Fleetcode" "/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/daniel-j-anderson-dev/leetcode 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/daniel-j-anderson-dev/leetcode [INFO] finished tweaking git repo https://github.com/daniel-j-anderson-dev/leetcode [INFO] tweaked toml for git repo https://github.com/daniel-j-anderson-dev/leetcode written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/daniel-j-anderson-dev/leetcode 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-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09ce53c01dfb3542fdce5a2129d078ba1cb672bbb66015f6c625eccfd5fa1578 [INFO] running `Command { std: "docker" "start" "-a" "09ce53c01dfb3542fdce5a2129d078ba1cb672bbb66015f6c625eccfd5fa1578", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09ce53c01dfb3542fdce5a2129d078ba1cb672bbb66015f6c625eccfd5fa1578", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09ce53c01dfb3542fdce5a2129d078ba1cb672bbb66015f6c625eccfd5fa1578", kill_on_drop: false }` [INFO] [stdout] 09ce53c01dfb3542fdce5a2129d078ba1cb672bbb66015f6c625eccfd5fa1578 [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5dc5e1c25c5720437127411658b9fef163769f55deb80855ed211b08882330cd [INFO] running `Command { std: "docker" "start" "-a" "5dc5e1c25c5720437127411658b9fef163769f55deb80855ed211b08882330cd", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `longest` [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut longest = ""; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let mut longest = ""; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring_without_repeats_loops` is never used [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn length_of_longest_substring_without_repeats_loops(s: &str) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring_without_repeats` is never used [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn length_of_longest_substring_without_repeats(s: &str) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `minimum_boxes` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:200:12 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn minimum_boxes(n: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `all_indexes` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:221:8 [INFO] [stdout] | [INFO] [stdout] 221 | fn all_indexes(len: usize) -> impl ParallelIterator { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `valid_indexes` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:229:8 [INFO] [stdout] | [INFO] [stdout] 229 | fn valid_indexes<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_best_index` is never used [INFO] [stdout] --> examples/building_boxes_1739.rs:274:8 [INFO] [stdout] | [INFO] [stdout] 274 | fn find_best_index( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `median` is never used [INFO] [stdout] --> examples/median_of_two_sorted_arrays.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn median(nums1: Vec, nums2: Vec) -> f64 { [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] warning: function `list_to_vec` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn list_to_vec(val: Box) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_into_iter` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn list_into_iter(val: Box) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_from_iter` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn list_from_iter>(iter: I) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_from_usize` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn list_from_usize(value: usize) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> examples/add_two_numbers.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn add(l1: Option>, l2: Option>) -> Option> { [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] --> examples/add_two_numbers.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | fn list_to_vec(val: Box) -> Vec { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | list_into_iter(val).map(|node| node.val).collect::>() [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] --> examples/add_two_numbers.rs:60:14 [INFO] [stdout] | [INFO] [stdout] 59 | fn list_into_iter(val: Box) -> impl Iterator> { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | NodeIter(Some(val)) [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] --> examples/add_two_numbers.rs:130:10 [INFO] [stdout] | [INFO] [stdout] 91 | fn add(l1: Option>, l2: Option>) -> Option> { [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] 130 | Some(list_from_iter(sum.into_iter())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 3 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (example "add_two_numbers") due to 4 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5dc5e1c25c5720437127411658b9fef163769f55deb80855ed211b08882330cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dc5e1c25c5720437127411658b9fef163769f55deb80855ed211b08882330cd", kill_on_drop: false }` [INFO] [stdout] 5dc5e1c25c5720437127411658b9fef163769f55deb80855ed211b08882330cd