[INFO] cloning repository https://github.com/Tiiita/leet-code-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tiiita/leet-code-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiiita%2Fleet-code-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiiita%2Fleet-code-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcbc92ce3981a96660e6e5d63bc73a140b856c14
[INFO] checking Tiiita/leet-code-rs against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiiita%2Fleet-code-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tiiita/leet-code-rs
[INFO] finished tweaking git repo https://github.com/Tiiita/leet-code-rs
[INFO] tweaked toml for git repo https://github.com/Tiiita/leet-code-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tiiita/leet-code-rs on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tiiita/leet-code-rs 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Tiiita/leet-code-rs against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiiita%2Fleet-code-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tiiita/leet-code-rs
[INFO] finished tweaking git repo https://github.com/Tiiita/leet-code-rs
[INFO] tweaked toml for git repo https://github.com/Tiiita/leet-code-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tiiita/leet-code-rs on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tiiita/leet-code-rs 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba3846fa635fda65c7220b55928842e0528b3660428feb0bf9c157a40144c49e
[INFO] running `Command { std: "docker" "start" "-a" "ba3846fa635fda65c7220b55928842e0528b3660428feb0bf9c157a40144c49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba3846fa635fda65c7220b55928842e0528b3660428feb0bf9c157a40144c49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3846fa635fda65c7220b55928842e0528b3660428feb0bf9c157a40144c49e", kill_on_drop: false }`
[INFO] [stdout] ba3846fa635fda65c7220b55928842e0528b3660428feb0bf9c157a40144c49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d05818e2136298c3e3f00d8ed9d8873d5626c5f86a527efbff6a46211321ce
[INFO] running `Command { std: "docker" "start" "-a" "28d05818e2136298c3e3f00d8ed9d8873d5626c5f86a527efbff6a46211321ce", kill_on_drop: false }`
[INFO] [stderr]     Checking leet_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sudoku`
[INFO] [stdout]   --> src/sudoku_solver.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn validate_box(sudoku: &Sudoku) -> bool {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sudoku`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sudoku`
[INFO] [stdout]   --> src/sudoku_solver.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn validate_box(sudoku: &Sudoku) -> bool {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sudoku`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/palindrome.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] warning: function `palindrome_num` is never used
[INFO] [stdout]   --> src/palindrome.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn palindrome_num(num: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `palindrome` is never used
[INFO] [stdout]   --> src/palindrome.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn palindrome(chars: Chars<'_>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_box` is never used
[INFO] [stdout]   --> src/sudoku_solver.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn validate_box(sudoku: &Sudoku) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/palindrome.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `palindrome_num` is never used
[INFO] [stdout]   --> src/palindrome.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn palindrome_num(num: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `palindrome` is never used
[INFO] [stdout]   --> src/palindrome.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn palindrome(chars: Chars<'_>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_box` is never used
[INFO] [stdout]   --> src/sudoku_solver.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn validate_box(sudoku: &Sudoku) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28d05818e2136298c3e3f00d8ed9d8873d5626c5f86a527efbff6a46211321ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d05818e2136298c3e3f00d8ed9d8873d5626c5f86a527efbff6a46211321ce", kill_on_drop: false }`
[INFO] [stdout] 28d05818e2136298c3e3f00d8ed9d8873d5626c5f86a527efbff6a46211321ce
