[INFO] cloning repository https://github.com/kewmine/leetcode_stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kewmine/leetcode_stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkewmine%2Fleetcode_stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkewmine%2Fleetcode_stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d877f2f07a109556ba0abcfe75eb013e5b1e2984
[INFO] checking kewmine/leetcode_stuff against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkewmine%2Fleetcode_stuff" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kewmine/leetcode_stuff on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kewmine/leetcode_stuff
[INFO] finished tweaking git repo https://github.com/kewmine/leetcode_stuff
[INFO] tweaked toml for git repo https://github.com/kewmine/leetcode_stuff written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kewmine/leetcode_stuff 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" "+a26e97be8826d408309fffbd8168362365719f50" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aceeb7b7b03fbb426b73fbe0dd3366bebf6385b85fed00f7f5d0da1a5111067
[INFO] running `Command { std: "docker" "start" "-a" "2aceeb7b7b03fbb426b73fbe0dd3366bebf6385b85fed00f7f5d0da1a5111067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aceeb7b7b03fbb426b73fbe0dd3366bebf6385b85fed00f7f5d0da1a5111067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aceeb7b7b03fbb426b73fbe0dd3366bebf6385b85fed00f7f5d0da1a5111067", kill_on_drop: false }`
[INFO] [stdout] 2aceeb7b7b03fbb426b73fbe0dd3366bebf6385b85fed00f7f5d0da1a5111067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7ff1919538439459be2bd37e354edba56c53c33986f9822cebcd649a98ae3a
[INFO] running `Command { std: "docker" "start" "-a" "0a7ff1919538439459be2bd37e354edba56c53c33986f9822cebcd649a98ae3a", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode_stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `gcd_of_strings` is never used
[INFO] [stdout]  --> src/problems/n1071_greatest_common_divisor_of_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn gcd_of_strings(str1: String, str2: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kids_with_candies` is never used
[INFO] [stdout]  --> src/problems/n1431_kid_with_the_greatest_number_of_candies.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn kids_with_candies(candies: Vec<i32>, extra_candies: i32) -> Vec<bool> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_of_strings` is never used
[INFO] [stdout]  --> src/problems/n1071_greatest_common_divisor_of_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn gcd_of_strings(str1: String, str2: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kids_with_candies` is never used
[INFO] [stdout]  --> src/problems/n1431_kid_with_the_greatest_number_of_candies.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn kids_with_candies(candies: Vec<i32>, extra_candies: i32) -> Vec<bool> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "0a7ff1919538439459be2bd37e354edba56c53c33986f9822cebcd649a98ae3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7ff1919538439459be2bd37e354edba56c53c33986f9822cebcd649a98ae3a", kill_on_drop: false }`
[INFO] [stdout] 0a7ff1919538439459be2bd37e354edba56c53c33986f9822cebcd649a98ae3a