[INFO] cloning repository https://github.com/gekh/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gekh/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b643b565c9983b141a6a34c854c3f20f877433d2
[INFO] testing gekh/leetcode against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gekh/leetcode on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gekh/leetcode
[INFO] finished tweaking git repo https://github.com/gekh/leetcode
[INFO] tweaked toml for git repo https://github.com/gekh/leetcode written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gekh/leetcode 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/8cb6e86301a64657bbfec25d558c62cb975d6f4b6f4552324b232b1b972a51ac/merged/opt/rustwide: no space left on device
[INFO] testing gekh/leetcode against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-4-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[INFO] testing gekh/leetcode against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gekh/leetcode on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gekh/leetcode
[INFO] finished tweaking git repo https://github.com/gekh/leetcode
[INFO] tweaked toml for git repo https://github.com/gekh/leetcode written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gekh/leetcode 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f9c7a56acc0f6be25b5445b639e0185c51b8eefee6ef069d8b1546f21bb97bc
[INFO] running `Command { std: "docker" "start" "-a" "3f9c7a56acc0f6be25b5445b639e0185c51b8eefee6ef069d8b1546f21bb97bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f9c7a56acc0f6be25b5445b639e0185c51b8eefee6ef069d8b1546f21bb97bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9c7a56acc0f6be25b5445b639e0185c51b8eefee6ef069d8b1546f21bb97bc", kill_on_drop: false }`
[INFO] [stdout] 3f9c7a56acc0f6be25b5445b639e0185c51b8eefee6ef069d8b1546f21bb97bc
[INFO] testing gekh/leetcode against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gekh/leetcode on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gekh/leetcode
[INFO] finished tweaking git repo https://github.com/gekh/leetcode
[INFO] tweaked toml for git repo https://github.com/gekh/leetcode written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gekh/leetcode 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5372aa2f6c102b943c249ced5dc5c1c8a55833b459e42551fc16696299aa043a
[INFO] running `Command { std: "docker" "start" "-a" "5372aa2f6c102b943c249ced5dc5c1c8a55833b459e42551fc16696299aa043a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5372aa2f6c102b943c249ced5dc5c1c8a55833b459e42551fc16696299aa043a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5372aa2f6c102b943c249ced5dc5c1c8a55833b459e42551fc16696299aa043a", kill_on_drop: false }`
[INFO] [stdout] 5372aa2f6c102b943c249ced5dc5c1c8a55833b459e42551fc16696299aa043a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a67bace4e45e8b387ef873294a4842dc0f6cff6e2e8b7beb41100f3cf61f7f
[INFO] running `Command { std: "docker" "start" "-a" "27a67bace4e45e8b387ef873294a4842dc0f6cff6e2e8b7beb41100f3cf61f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]  --> src/leetcode/p.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 |   pub fn find_all_concatenated_words_in_a_dict(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/leetcode/p.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: associated function `find_all_concatenated_words_in_a_dict` is never used
[INFO] [stdout]  --> src/leetcode/p.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |   pub fn find_all_concatenated_words_in_a_dict(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call` is never used
[INFO] [stdout]  --> src/leetcode/p_test.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn call(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "27a67bace4e45e8b387ef873294a4842dc0f6cff6e2e8b7beb41100f3cf61f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a67bace4e45e8b387ef873294a4842dc0f6cff6e2e8b7beb41100f3cf61f7f", kill_on_drop: false }`
[INFO] [stdout] 27a67bace4e45e8b387ef873294a4842dc0f6cff6e2e8b7beb41100f3cf61f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf470033adf94cf0b5f6825e01cad2ac699acdc2baedf4584a941ac5c6448aa0
[INFO] running `Command { std: "docker" "start" "-a" "cf470033adf94cf0b5f6825e01cad2ac699acdc2baedf4584a941ac5c6448aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]  --> src/leetcode/p.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 |   pub fn find_all_concatenated_words_in_a_dict(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/leetcode/p.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: associated function `find_all_concatenated_words_in_a_dict` is never used
[INFO] [stdout]  --> src/leetcode/p.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |   pub fn find_all_concatenated_words_in_a_dict(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call` is never used
[INFO] [stdout]  --> src/leetcode/p_test.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn call(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "cf470033adf94cf0b5f6825e01cad2ac699acdc2baedf4584a941ac5c6448aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf470033adf94cf0b5f6825e01cad2ac699acdc2baedf4584a941ac5c6448aa0", kill_on_drop: false }`
[INFO] [stdout] cf470033adf94cf0b5f6825e01cad2ac699acdc2baedf4584a941ac5c6448aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 177ea9f82ca60caf8f5f0c371b4a456a2204365cd9c63af63edde7719cfb9196
[INFO] running `Command { std: "docker" "start" "-a" "177ea9f82ca60caf8f5f0c371b4a456a2204365cd9c63af63edde7719cfb9196", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `words`
[INFO] [stderr]  --> src/leetcode/p.rs:4:48
[INFO] [stderr]   |
[INFO] [stderr] 4 |   pub fn find_all_concatenated_words_in_a_dict(words: Vec<String>) -> Vec<String> {
[INFO] [stderr]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/leetcode/p.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Solution;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `find_all_concatenated_words_in_a_dict` is never used
[INFO] [stderr]  --> src/leetcode/p.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 4 |   pub fn find_all_concatenated_words_in_a_dict(words: Vec<String>) -> Vec<String> {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `call` is never used
[INFO] [stderr]  --> src/leetcode/p_test.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn call(words: Vec<String>) -> Vec<String> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (bin "leetcode" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-0900c870f4bb44fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "177ea9f82ca60caf8f5f0c371b4a456a2204365cd9c63af63edde7719cfb9196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177ea9f82ca60caf8f5f0c371b4a456a2204365cd9c63af63edde7719cfb9196", kill_on_drop: false }`
[INFO] [stdout] 177ea9f82ca60caf8f5f0c371b4a456a2204365cd9c63af63edde7719cfb9196