[INFO] cloning repository https://github.com/kihcyaZaynorB/leetcode-solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kihcyaZaynorB/leetcode-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkihcyaZaynorB%2Fleetcode-solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkihcyaZaynorB%2Fleetcode-solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86e5fd20c77e7205897c768a820a7c439da0ab5f [INFO] testing kihcyaZaynorB/leetcode-solution against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkihcyaZaynorB%2Fleetcode-solution" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kihcyaZaynorB/leetcode-solution on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kihcyaZaynorB/leetcode-solution [INFO] finished tweaking git repo https://github.com/kihcyaZaynorB/leetcode-solution [INFO] tweaked toml for git repo https://github.com/kihcyaZaynorB/leetcode-solution written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/kihcyaZaynorB/leetcode-solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eca32fb66928e9a37f05bf48967c982f26020506d7ae1a6e48c0f3acbeca2766 [INFO] running `Command { std: "docker" "start" "-a" "eca32fb66928e9a37f05bf48967c982f26020506d7ae1a6e48c0f3acbeca2766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eca32fb66928e9a37f05bf48967c982f26020506d7ae1a6e48c0f3acbeca2766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eca32fb66928e9a37f05bf48967c982f26020506d7ae1a6e48c0f3acbeca2766", kill_on_drop: false }` [INFO] [stdout] eca32fb66928e9a37f05bf48967c982f26020506d7ae1a6e48c0f3acbeca2766 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f76879ef5dc6492a408306a89a133b07c546234b04dbc90dec54f853d6d1a26e [INFO] running `Command { std: "docker" "start" "-a" "f76879ef5dc6492a408306a89a133b07c546234b04dbc90dec54f853d6d1a26e", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution001` [INFO] [stdout] --> src/solutions/solution_001.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Solution001 {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/solutions/solution_001.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SolutionHanota` [INFO] [stdout] --> src/solutions/solution_hanota.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct SolutionHanota; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tower_of_hanoi` [INFO] [stdout] --> src/solutions/solution_hanota.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn tower_of_hanoi(a: &mut Vec, b: &mut Vec, c: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `move_pillar` [INFO] [stdout] --> src/solutions/solution_hanota.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | fn move_pillar(plates: usize, a: &mut Vec, b: &mut Vec, c: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "f76879ef5dc6492a408306a89a133b07c546234b04dbc90dec54f853d6d1a26e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f76879ef5dc6492a408306a89a133b07c546234b04dbc90dec54f853d6d1a26e", kill_on_drop: false }` [INFO] [stdout] f76879ef5dc6492a408306a89a133b07c546234b04dbc90dec54f853d6d1a26e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 028f93fa5de1f4e2420746413b6650257059ed6e9ebc8c8cca86baf012aec404 [INFO] running `Command { std: "docker" "start" "-a" "028f93fa5de1f4e2420746413b6650257059ed6e9ebc8c8cca86baf012aec404", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "028f93fa5de1f4e2420746413b6650257059ed6e9ebc8c8cca86baf012aec404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "028f93fa5de1f4e2420746413b6650257059ed6e9ebc8c8cca86baf012aec404", kill_on_drop: false }` [INFO] [stdout] 028f93fa5de1f4e2420746413b6650257059ed6e9ebc8c8cca86baf012aec404 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a9666724f6c1ba0459fc6e76fdc406557d49e857562963adcdecaced4c4d412c [INFO] running `Command { std: "docker" "start" "-a" "a9666724f6c1ba0459fc6e76fdc406557d49e857562963adcdecaced4c4d412c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_solution-071fb0fef0299921) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test solutions::solution_hanota::test::test_work ... ok [INFO] [stdout] test solutions::solution_001::test::test_work ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a9666724f6c1ba0459fc6e76fdc406557d49e857562963adcdecaced4c4d412c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9666724f6c1ba0459fc6e76fdc406557d49e857562963adcdecaced4c4d412c", kill_on_drop: false }` [INFO] [stdout] a9666724f6c1ba0459fc6e76fdc406557d49e857562963adcdecaced4c4d412c