[INFO] cloning repository https://github.com/yourarj/rust-ds-algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yourarj/rust-ds-algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyourarj%2Frust-ds-algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyourarj%2Frust-ds-algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 153784729975273d1620a40b0e7ad30fa5748ded
[INFO] checking yourarj/rust-ds-algo against try#d42a007e04d1d7df0de258d39ac2402f35aba932 for pr-103029-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyourarj%2Frust-ds-algo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yourarj/rust-ds-algo on toolchain d42a007e04d1d7df0de258d39ac2402f35aba932
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yourarj/rust-ds-algo
[INFO] finished tweaking git repo https://github.com/yourarj/rust-ds-algo
[INFO] tweaked toml for git repo https://github.com/yourarj/rust-ds-algo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yourarj/rust-ds-algo 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" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83b44efd58f13b1f1541cae3ad7e743b490707bc5489bea70e052f3c916464a5
[INFO] running `Command { std: "docker" "start" "-a" "83b44efd58f13b1f1541cae3ad7e743b490707bc5489bea70e052f3c916464a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b44efd58f13b1f1541cae3ad7e743b490707bc5489bea70e052f3c916464a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b44efd58f13b1f1541cae3ad7e743b490707bc5489bea70e052f3c916464a5", kill_on_drop: false }`
[INFO] [stdout] 83b44efd58f13b1f1541cae3ad7e743b490707bc5489bea70e052f3c916464a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c95abe36cf6570aa8461268d508126b1c14b64dadbd62c078d6b3e91cf6d2c5c
[INFO] running `Command { std: "docker" "start" "-a" "c95abe36cf6570aa8461268d508126b1c14b64dadbd62c078d6b3e91cf6d2c5c", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]     Checking university-of-princeton-path-compressed-weighted-quick-union v0.1.0 (/opt/rustwide/workdir/university-of-princeton-path-compressed-weighted-quick-union)
[INFO] [stderr]     Checking university-of-princeton-3sum v0.1.0 (/opt/rustwide/workdir/university-of-princeton-3sum)
[INFO] [stderr]     Checking university-of-princeton-quick-find v0.1.0 (/opt/rustwide/workdir/university-of-princeton-quick-find)
[INFO] [stderr]     Checking codility-frog-jump v0.1.0 (/opt/rustwide/workdir/codility-frog-jump)
[INFO] [stderr]     Checking leetcode-design-a-stack-with-increment-operation v0.1.0 (/opt/rustwide/workdir/leetcode-design-a-stack-with-increment-operation)
[INFO] [stderr]     Checking leetcode-reverse-an-array-recursive v0.1.0 (/opt/rustwide/workdir/leetcode-reverse-an-array-recursive)
[INFO] [stderr]     Checking leetcode-subtract-the-product-and-sum-of-digits-of-an-integer v0.1.0 (/opt/rustwide/workdir/leetcode-subtract-the-product-and-sum-of-digits-of-an-integer)
[INFO] [stderr]     Checking university-of-princeton-path-compressed-weighted-quick-union-canonical-element v0.1.0 (/opt/rustwide/workdir/university-of-princeton-path-compressed-weighted-quick-union-canonical-element)
[INFO] [stderr]     Checking gg-kadanes-algorithm v0.1.0 (/opt/rustwide/workdir/gg-kadanes-algorithm)
[INFO] [stderr]     Checking leetcode-palindrome-number v0.1.0 (/opt/rustwide/workdir/leetcode-palindrome-number)
[INFO] [stderr]     Checking codility-possible-string-palindrome v0.1.0 (/opt/rustwide/workdir/codility-possible-string-palindrome)
[INFO] [stderr]     Checking leetcode-numbers-with-same-consecutive-differences v0.1.0 (/opt/rustwide/workdir/leetcode-numbers-with-same-consecutive-differences)
[INFO] [stderr]     Checking leetcode-remove-duplicates-from-sorted-array v0.1.0 (/opt/rustwide/workdir/leetcode-remove-duplicates-from-sorted-array)
[INFO] [stderr]     Checking university-of-princeton-path-compressed-weighted-quick-union-social v0.1.0 (/opt/rustwide/workdir/university-of-princeton-path-compressed-weighted-quick-union-social)
[INFO] [stderr]     Checking gg-minimize-the-heights v0.1.0 (/opt/rustwide/workdir/gg-minimize-the-heights)
[INFO] [stderr]     Checking university-of-princeton-path-compressed-percolation-threshold-via-monte-carlo-simulation v0.1.0 (/opt/rustwide/workdir/university-of-princeton-path-compressed-percolation-threshold-via-monte-carlo-simulation)
[INFO] [stderr]     Checking leetcode-valid-parentheses v0.1.0 (/opt/rustwide/workdir/leetcode-valid-parentheses)
[INFO] [stderr]     Checking leetcode-sqrtx v0.1.0 (/opt/rustwide/workdir/leetcode-sqrtx)
[INFO] [stderr]     Checking codility-array-rotation v0.1.0 (/opt/rustwide/workdir/codility-array-rotation)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> university-of-princeton-path-compressed-weighted-quick-union-social/src/ds.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<const SIZE: usize> WeightedQuickUnion<SIZE> {
[INFO] [stdout]    | ------------------------------------------------ associated function in this implementation
[INFO] [stdout] 14 |     /// create new instance of QuickUnion
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking adaface-rust-tricky-quiz v0.1.0 (/opt/rustwide/workdir/adaface-rust-tricky-quiz)
[INFO] [stderr]     Checking leetcode-merge-two-sorted-lists v0.1.0 (/opt/rustwide/workdir/leetcode-merge-two-sorted-lists)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking leetcode-build-an-array-with-stack-operations v0.1.0 (/opt/rustwide/workdir/leetcode-build-an-array-with-stack-operations)
[INFO] [stderr]     Checking leetcode-add-two-numbers v0.1.0 (/opt/rustwide/workdir/leetcode-add-two-numbers)
[INFO] [stderr]     Checking leetcode-car-pooling v0.1.0 (/opt/rustwide/workdir/leetcode-car-pooling)
[INFO] [stderr]     Checking leetcode-queue-reconstruction-by-height v0.1.0 (/opt/rustwide/workdir/leetcode-queue-reconstruction-by-height)
[INFO] [stderr]     Checking leetcode-k-concat-max-sum v0.1.0 (/opt/rustwide/workdir/leetcode-k-concat-max-sum)
[INFO] [stderr]     Checking leetcode-roman-to-integer v0.1.0 (/opt/rustwide/workdir/leetcode-roman-to-integer)
[INFO] [stderr]     Checking leetcode-two-sum v0.1.0 (/opt/rustwide/workdir/leetcode-two-sum)
[INFO] [stderr]     Checking merge-sort v0.1.0 (/opt/rustwide/workdir/merge-sort)
[INFO] [stderr]     Checking leetcode-jump-game-iv v0.1.0 (/opt/rustwide/workdir/leetcode-jump-game-iv)
[INFO] [stderr]     Checking leetcode-basic-calculator-ii v0.1.0 (/opt/rustwide/workdir/leetcode-basic-calculator-ii)
[INFO] [stderr]     Checking leetcode-longest-substring-without-repeating-characters v0.1.0 (/opt/rustwide/workdir/leetcode-longest-substring-without-repeating-characters)
[INFO] [stderr]     Checking leetcode-find-the-index-of-the-first-occurrence-in-a-string v0.1.0 (/opt/rustwide/workdir/leetcode-find-the-index-of-the-first-occurrence-in-a-string)
[INFO] [stderr]     Checking leetcode-longest-word-in-dictionary-through-deleting v0.1.0 (/opt/rustwide/workdir/leetcode-longest-word-in-dictionary-through-deleting)
[INFO] [stderr]     Checking university-of-princeton-weighted-quick-union v0.1.0 (/opt/rustwide/workdir/university-of-princeton-weighted-quick-union)
[INFO] [stderr]     Checking codility-binary-gap v0.1.0 (/opt/rustwide/workdir/codility-binary-gap)
[INFO] [stderr]     Checking university-of-princeton-quick-union v0.1.0 (/opt/rustwide/workdir/university-of-princeton-quick-union)
[INFO] [stderr]     Checking leetcode-longest-common-prefix v0.1.0 (/opt/rustwide/workdir/leetcode-longest-common-prefix)
[INFO] [stderr]     Checking leetcode-check-if-number-has-equal-digit-count-and-digit-value v0.1.0 (/opt/rustwide/workdir/leetcode-check-if-number-has-equal-digit-count-and-digit-value)
[INFO] [stderr]     Checking leetcode-furthest-building-you-can-reach v0.1.0 (/opt/rustwide/workdir/leetcode-furthest-building-you-can-reach)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "c95abe36cf6570aa8461268d508126b1c14b64dadbd62c078d6b3e91cf6d2c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95abe36cf6570aa8461268d508126b1c14b64dadbd62c078d6b3e91cf6d2c5c", kill_on_drop: false }`
[INFO] [stdout] c95abe36cf6570aa8461268d508126b1c14b64dadbd62c078d6b3e91cf6d2c5c