[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 try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [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] 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] validating manifest of git repo https://github.com/daniel-j-anderson-dev/leetcode on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 842e58f5f4c857f457549d3dd915487e79245c8665048f8e8a8f9ecf6e918482 [INFO] running `Command { std: "docker" "start" "-a" "842e58f5f4c857f457549d3dd915487e79245c8665048f8e8a8f9ecf6e918482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "842e58f5f4c857f457549d3dd915487e79245c8665048f8e8a8f9ecf6e918482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "842e58f5f4c857f457549d3dd915487e79245c8665048f8e8a8f9ecf6e918482", kill_on_drop: false }` [INFO] [stdout] 842e58f5f4c857f457549d3dd915487e79245c8665048f8e8a8f9ecf6e918482 [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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e8db943df81336f340b2a7d08a3fde86496b57990d29efa6289b8b8c8cfea34 [INFO] running `Command { std: "docker" "start" "-a" "1e8db943df81336f340b2a7d08a3fde86496b57990d29efa6289b8b8c8cfea34", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `longest` [INFO] [stdout] --> examples/longest_substring_wihtout_repeating_characters.rs:73:9 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] error: struct `NodeIter` is never constructed [INFO] [stdout] --> examples/add_two_numbers.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct NodeIter(Option>); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) 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] [stderr] error: could not compile `leetcode` (example "add_two_numbers") due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1e8db943df81336f340b2a7d08a3fde86496b57990d29efa6289b8b8c8cfea34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e8db943df81336f340b2a7d08a3fde86496b57990d29efa6289b8b8c8cfea34", kill_on_drop: false }` [INFO] [stdout] 1e8db943df81336f340b2a7d08a3fde86496b57990d29efa6289b8b8c8cfea34