[INFO] cloning repository https://github.com/web3nomad/leetcode-rust-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/web3nomad/leetcode-rust-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions/info/: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/web3nomad/leetcode-rust-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/web3nomad/leetcode-rust-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/web3nomad/leetcode-rust-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/web3nomad/leetcode-rust-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f95e9ed9439101779fe910cb92fe2578d30e8500 [INFO] checking web3nomad/leetcode-rust-solutions against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweb3nomad%2Fleetcode-rust-solutions" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/web3nomad/leetcode-rust-solutions [INFO] finished tweaking git repo https://github.com/web3nomad/leetcode-rust-solutions [INFO] tweaked toml for git repo https://github.com/web3nomad/leetcode-rust-solutions written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/web3nomad/leetcode-rust-solutions on toolchain ca77504943887037504c7fc0b9bf06dab3910373 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/web3nomad/leetcode-rust-solutions 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2303b538bc1977242517238ac3d661d6752e3444a3b0156a1d7d530d256270b3 [INFO] running `Command { std: "docker" "start" "-a" "2303b538bc1977242517238ac3d661d6752e3444a3b0156a1d7d530d256270b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2303b538bc1977242517238ac3d661d6752e3444a3b0156a1d7d530d256270b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2303b538bc1977242517238ac3d661d6752e3444a3b0156a1d7d530d256270b3", kill_on_drop: false }` [INFO] [stdout] 2303b538bc1977242517238ac3d661d6752e3444a3b0156a1d7d530d256270b3 [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 189146a64b798cedd8fd84d76c535f6139f7ac0fd9968afd33141901cf51dc11 [INFO] running `Command { std: "docker" "start" "-a" "189146a64b798cedd8fd84d76c535f6139f7ac0fd9968afd33141901cf51dc11", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> solutions/sol_2_add_two_numbers.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> solutions/sol_2_add_two_numbers.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> solutions/sol_2_add_two_numbers.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 9 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 10 | #[inline] [INFO] [stdout] 11 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `add_two_numbers` and `add_two_numbers_alt` are never used [INFO] [stdout] --> solutions/sol_2_add_two_numbers.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 43 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn add_two_numbers_alt(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> solutions/sol_9_palindrome_number.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_palindrome` is never used [INFO] [stdout] --> solutions/sol_9_palindrome_number.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 11 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> solutions/sol_66_plus_one.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `plus_one` is never used [INFO] [stdout] --> solutions/sol_66_plus_one.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 13 | pub fn plus_one(digits: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_two_numbers_alt` is never used [INFO] [stdout] --> solutions/sol_2_add_two_numbers.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn add_two_numbers_alt(l1: Option>, l2: Option>) -> Option> { [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 0.10s [INFO] running `Command { std: "docker" "inspect" "189146a64b798cedd8fd84d76c535f6139f7ac0fd9968afd33141901cf51dc11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "189146a64b798cedd8fd84d76c535f6139f7ac0fd9968afd33141901cf51dc11", kill_on_drop: false }` [INFO] [stdout] 189146a64b798cedd8fd84d76c535f6139f7ac0fd9968afd33141901cf51dc11