[INFO] cloning repository https://github.com/dowdyma1/lc_problems_library
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dowdyma1/lc_problems_library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdyma1%2Flc_problems_library", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdyma1%2Flc_problems_library'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f06e99d30232997a07eb38a8ce3880b73d086ef
[INFO] checking dowdyma1/lc_problems_library/6f06e99d30232997a07eb38a8ce3880b73d086ef against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdyma1%2Flc_problems_library" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dowdyma1/lc_problems_library on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dowdyma1/lc_problems_library
[INFO] finished tweaking git repo https://github.com/dowdyma1/lc_problems_library
[INFO] tweaked toml for git repo https://github.com/dowdyma1/lc_problems_library written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dowdyma1/lc_problems_library 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25965862a8e5c2989b51dab61cc7d9e6d16aef90b1a6c88638a08eb3c5e015f9
[INFO] running `Command { std: "docker" "start" "-a" "25965862a8e5c2989b51dab61cc7d9e6d16aef90b1a6c88638a08eb3c5e015f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25965862a8e5c2989b51dab61cc7d9e6d16aef90b1a6c88638a08eb3c5e015f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25965862a8e5c2989b51dab61cc7d9e6d16aef90b1a6c88638a08eb3c5e015f9", kill_on_drop: false }`
[INFO] [stdout] 25965862a8e5c2989b51dab61cc7d9e6d16aef90b1a6c88638a08eb3c5e015f9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff65e86ffe6a6675faff468582f858a4b4febc568a4bc66ebe75eeae638a196d
[INFO] running `Command { std: "docker" "start" "-a" "ff65e86ffe6a6675faff468582f858a4b4febc568a4bc66ebe75eeae638a196d", kill_on_drop: false }`
[INFO] [stderr]     Checking lc_problems_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `create_nodes_from_array` is never used
[INFO] [stdout]  --> src/tests_helper.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn create_nodes_from_array(arr: &[i32]) -> Option<Box<ListNode>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "ff65e86ffe6a6675faff468582f858a4b4febc568a4bc66ebe75eeae638a196d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff65e86ffe6a6675faff468582f858a4b4febc568a4bc66ebe75eeae638a196d", kill_on_drop: false }`
[INFO] [stdout] ff65e86ffe6a6675faff468582f858a4b4febc568a4bc66ebe75eeae638a196d