[INFO] cloning repository https://github.com/askreet/dsa-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/askreet/dsa-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskreet%2Fdsa-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskreet%2Fdsa-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 048b9353d339763e7db263b06d98ac4b26eb0dbe [INFO] checking askreet/dsa-exercises against master#e43d139a82620a268d3828a73e12a8679339e8f8 for pr-143545 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskreet%2Fdsa-exercises" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/askreet/dsa-exercises [INFO] finished tweaking git repo https://github.com/askreet/dsa-exercises [INFO] tweaked toml for git repo https://github.com/askreet/dsa-exercises written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/askreet/dsa-exercises on toolchain e43d139a82620a268d3828a73e12a8679339e8f8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/askreet/dsa-exercises 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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 183d001dcd3529ab6089ce545fdcbc58b37ed69a2cdc308530a823baac34ed63 [INFO] running `Command { std: "docker" "start" "-a" "183d001dcd3529ab6089ce545fdcbc58b37ed69a2cdc308530a823baac34ed63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "183d001dcd3529ab6089ce545fdcbc58b37ed69a2cdc308530a823baac34ed63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "183d001dcd3529ab6089ce545fdcbc58b37ed69a2cdc308530a823baac34ed63", kill_on_drop: false }` [INFO] [stdout] 183d001dcd3529ab6089ce545fdcbc58b37ed69a2cdc308530a823baac34ed63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff470e870078e1f87021e32a2667deb68bd5b11121eeabd606378bed6c2a3a09 [INFO] running `Command { std: "docker" "start" "-a" "ff470e870078e1f87021e32a2667deb68bd5b11121eeabd606378bed6c2a3a09", kill_on_drop: false }` [INFO] [stderr] Checking dsa-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/hashmap.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | Some((k, v)) => *v = value, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/hashmap.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | Some((k, v)) => *v = value, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bubble_sort` is never used [INFO] [stdout] --> src/sort/bubble.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn bubble_sort(nums: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `selection_sort` is never used [INFO] [stdout] --> src/sort/selection.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn selection_sort(nums: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `insertion_sort` is never used [INFO] [stdout] --> src/sort/insertion.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn insertion_sort(nums: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `KHash` is never used [INFO] [stdout] --> src/hashmap.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait KHash: Eq + Clone { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Slot` is never used [INFO] [stdout] --> src/hashmap.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum Slot { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `KMap` is never constructed [INFO] [stdout] --> src/hashmap.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct KMap where K: KHash { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, and `get` are never used [INFO] [stdout] --> src/hashmap.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 18 | / impl KMap [INFO] [stdout] 19 | | where K: KHash, [INFO] [stdout] 20 | | V: Clone { [INFO] [stdout] | |__________________- associated items in this implementation [INFO] [stdout] 21 | fn new() -> KMap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn insert(&mut self, key: K, value: V) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn get(&self, key: &Q) -> Option<&V> [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `load` is never read [INFO] [stdout] --> src/hashmap.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct KMap where K: KHash { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 14 | slots: Vec>, [INFO] [stdout] 15 | load: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "ff470e870078e1f87021e32a2667deb68bd5b11121eeabd606378bed6c2a3a09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff470e870078e1f87021e32a2667deb68bd5b11121eeabd606378bed6c2a3a09", kill_on_drop: false }` [INFO] [stdout] ff470e870078e1f87021e32a2667deb68bd5b11121eeabd606378bed6c2a3a09