[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#9e293ae9f8abecb0be5105787d181518c9012a19 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daniel-j-anderson-dev/leetcode on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.12.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.20
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c27895a0864c57d9721b2b9bbadaaa569a0e99af931fb98c30ce431a471d643b
[INFO] running `Command { std: "docker" "start" "-a" "c27895a0864c57d9721b2b9bbadaaa569a0e99af931fb98c30ce431a471d643b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c27895a0864c57d9721b2b9bbadaaa569a0e99af931fb98c30ce431a471d643b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27895a0864c57d9721b2b9bbadaaa569a0e99af931fb98c30ce431a471d643b", kill_on_drop: false }`
[INFO] [stdout] c27895a0864c57d9721b2b9bbadaaa569a0e99af931fb98c30ce431a471d643b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a9fe07c8a40621a5bf1aa7a3907f7c4620f9f6de45a2343d04735b38e034936
[INFO] running `Command { std: "docker" "start" "-a" "1a9fe07c8a40621a5bf1aa7a3907f7c4620f9f6de45a2343d04735b38e034936", 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<i32>, nums2: Vec<i32>) -> 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<Item = (usize, usize, usize)> {
[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: 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<ListNode>) -> Vec<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 `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<ListNode>) -> impl Iterator<Item = Box<ListNode>> {
[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<I: IntoIterator<Item = usize>>(iter: I) -> Box<ListNode> {
[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<ListNode> {
[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<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "1a9fe07c8a40621a5bf1aa7a3907f7c4620f9f6de45a2343d04735b38e034936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9fe07c8a40621a5bf1aa7a3907f7c4620f9f6de45a2343d04735b38e034936", kill_on_drop: false }`
[INFO] [stdout] 1a9fe07c8a40621a5bf1aa7a3907f7c4620f9f6de45a2343d04735b38e034936
