[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 master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgekh%2Fleetcode" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gekh/leetcode on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "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-tc1/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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94422a815a17a5395fb75d723c2eff0780ee7943e450c7fcf92b1ec55d016b89
[INFO] running `Command { std: "docker" "start" "-a" "94422a815a17a5395fb75d723c2eff0780ee7943e450c7fcf92b1ec55d016b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94422a815a17a5395fb75d723c2eff0780ee7943e450c7fcf92b1ec55d016b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94422a815a17a5395fb75d723c2eff0780ee7943e450c7fcf92b1ec55d016b89", kill_on_drop: false }`
[INFO] [stdout] 94422a815a17a5395fb75d723c2eff0780ee7943e450c7fcf92b1ec55d016b89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c992c35d41a010eb9c82589e2168febf61b0f054d165774c8701dfa948fe6e
[INFO] running `Command { std: "docker" "start" "-a" "95c992c35d41a010eb9c82589e2168febf61b0f054d165774c8701dfa948fe6e", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "95c992c35d41a010eb9c82589e2168febf61b0f054d165774c8701dfa948fe6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c992c35d41a010eb9c82589e2168febf61b0f054d165774c8701dfa948fe6e", kill_on_drop: false }`
[INFO] [stdout] 95c992c35d41a010eb9c82589e2168febf61b0f054d165774c8701dfa948fe6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f560ca45dc94888203eeb046fe9ddcd31b2bb395de8e10925fec31dc331b5f62
[INFO] running `Command { std: "docker" "start" "-a" "f560ca45dc94888203eeb046fe9ddcd31b2bb395de8e10925fec31dc331b5f62", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/815fe40adbb7332f88ec9ffc1b3c28642e85f0931f8235749d4e750ccfeec378/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "f560ca45dc94888203eeb046fe9ddcd31b2bb395de8e10925fec31dc331b5f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f560ca45dc94888203eeb046fe9ddcd31b2bb395de8e10925fec31dc331b5f62", kill_on_drop: false }`
[INFO] [stdout] f560ca45dc94888203eeb046fe9ddcd31b2bb395de8e10925fec31dc331b5f62