[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 master#a77659a1e1807ba567f513afe59115af2604dc30 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-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yourarj/rust-ds-algo on toolchain a77659a1e1807ba567f513afe59115af2604dc30 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc1/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-tc1/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" "+a77659a1e1807ba567f513afe59115af2604dc30" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93d31231c7eeb1d00de43de51851117ffed5e8d93ae4bdd818c4320788371837 [INFO] running `Command { std: "docker" "start" "-a" "93d31231c7eeb1d00de43de51851117ffed5e8d93ae4bdd818c4320788371837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93d31231c7eeb1d00de43de51851117ffed5e8d93ae4bdd818c4320788371837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93d31231c7eeb1d00de43de51851117ffed5e8d93ae4bdd818c4320788371837", kill_on_drop: false }` [INFO] [stdout] 93d31231c7eeb1d00de43de51851117ffed5e8d93ae4bdd818c4320788371837 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b73d02458da88eb86326f6d0d446c28e16a52f111f91ad8c4017bc909a46d4e [INFO] running `Command { std: "docker" "start" "-a" "7b73d02458da88eb86326f6d0d446c28e16a52f111f91ad8c4017bc909a46d4e", 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 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 leetcode-furthest-building-you-can-reach v0.1.0 (/opt/rustwide/workdir/leetcode-furthest-building-you-can-reach) [INFO] [stderr] Checking university-of-princeton-3sum v0.1.0 (/opt/rustwide/workdir/university-of-princeton-3sum) [INFO] [stderr] Checking university-of-princeton-weighted-quick-union v0.1.0 (/opt/rustwide/workdir/university-of-princeton-weighted-quick-union) [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 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 gg-minimize-the-heights v0.1.0 (/opt/rustwide/workdir/gg-minimize-the-heights) [INFO] [stderr] Checking leetcode-palindrome-number v0.1.0 (/opt/rustwide/workdir/leetcode-palindrome-number) [INFO] [stderr] Checking leetcode-k-concat-max-sum v0.1.0 (/opt/rustwide/workdir/leetcode-k-concat-max-sum) [INFO] [stderr] Checking leetcode-merge-two-sorted-lists v0.1.0 (/opt/rustwide/workdir/leetcode-merge-two-sorted-lists) [INFO] [stderr] Checking merge-sort v0.1.0 (/opt/rustwide/workdir/merge-sort) [INFO] [stderr] Checking gg-kadanes-algorithm v0.1.0 (/opt/rustwide/workdir/gg-kadanes-algorithm) [INFO] [stderr] Checking codility-frog-jump v0.1.0 (/opt/rustwide/workdir/codility-frog-jump) [INFO] [stderr] Checking codility-binary-gap v0.1.0 (/opt/rustwide/workdir/codility-binary-gap) [INFO] [stderr] Checking leetcode-roman-to-integer v0.1.0 (/opt/rustwide/workdir/leetcode-roman-to-integer) [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 adaface-rust-tricky-quiz v0.1.0 (/opt/rustwide/workdir/adaface-rust-tricky-quiz) [INFO] [stderr] Checking leetcode-reverse-an-array-recursive v0.1.0 (/opt/rustwide/workdir/leetcode-reverse-an-array-recursive) [INFO] [stderr] Checking leetcode-numbers-with-same-consecutive-differences v0.1.0 (/opt/rustwide/workdir/leetcode-numbers-with-same-consecutive-differences) [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 leetcode-sqrtx v0.1.0 (/opt/rustwide/workdir/leetcode-sqrtx) [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 leetcode-queue-reconstruction-by-height v0.1.0 (/opt/rustwide/workdir/leetcode-queue-reconstruction-by-height) [INFO] [stderr] Checking leetcode-longest-common-prefix v0.1.0 (/opt/rustwide/workdir/leetcode-longest-common-prefix) [INFO] [stderr] Checking codility-possible-string-palindrome v0.1.0 (/opt/rustwide/workdir/codility-possible-string-palindrome) [INFO] [stderr] Checking leetcode-valid-parentheses v0.1.0 (/opt/rustwide/workdir/leetcode-valid-parentheses) [INFO] [stderr] Checking leetcode-car-pooling v0.1.0 (/opt/rustwide/workdir/leetcode-car-pooling) [INFO] [stderr] Checking codility-array-rotation v0.1.0 (/opt/rustwide/workdir/codility-array-rotation) [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-two-sum v0.1.0 (/opt/rustwide/workdir/leetcode-two-sum) [INFO] [stderr] Checking university-of-princeton-quick-union v0.1.0 (/opt/rustwide/workdir/university-of-princeton-quick-union) [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 WeightedQuickUnion { [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 leetcode-remove-duplicates-from-sorted-array v0.1.0 (/opt/rustwide/workdir/leetcode-remove-duplicates-from-sorted-array) [INFO] [stderr] Checking leetcode-jump-game-iv v0.1.0 (/opt/rustwide/workdir/leetcode-jump-game-iv) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking leetcode-add-two-numbers v0.1.0 (/opt/rustwide/workdir/leetcode-add-two-numbers) [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-design-a-stack-with-increment-operation v0.1.0 (/opt/rustwide/workdir/leetcode-design-a-stack-with-increment-operation) [INFO] [stderr] Checking university-of-princeton-quick-find v0.1.0 (/opt/rustwide/workdir/university-of-princeton-quick-find) [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] Finished dev [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `Command { std: "docker" "inspect" "7b73d02458da88eb86326f6d0d446c28e16a52f111f91ad8c4017bc909a46d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b73d02458da88eb86326f6d0d446c28e16a52f111f91ad8c4017bc909a46d4e", kill_on_drop: false }` [INFO] [stdout] 7b73d02458da88eb86326f6d0d446c28e16a52f111f91ad8c4017bc909a46d4e