[INFO] cloning repository https://github.com/LeavesSG/leetcode-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeavesSG/leetcode-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeavesSG%2Fleetcode-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeavesSG%2Fleetcode-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451d6005ee9831c8727c264bc65cb187361e8af8
[INFO] checking LeavesSG/leetcode-solutions against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeavesSG%2Fleetcode-solutions" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeavesSG/leetcode-solutions on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeavesSG/leetcode-solutions
[INFO] finished tweaking git repo https://github.com/LeavesSG/leetcode-solutions
[INFO] tweaked toml for git repo https://github.com/LeavesSG/leetcode-solutions written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LeavesSG/leetcode-solutions 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461d2a01eb842a555978af379b1103c4c58784e7f1178c955651dda12ae358ea
[INFO] running `Command { std: "docker" "start" "-a" "461d2a01eb842a555978af379b1103c4c58784e7f1178c955651dda12ae358ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461d2a01eb842a555978af379b1103c4c58784e7f1178c955651dda12ae358ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461d2a01eb842a555978af379b1103c4c58784e7f1178c955651dda12ae358ea", kill_on_drop: false }`
[INFO] [stdout] 461d2a01eb842a555978af379b1103c4c58784e7f1178c955651dda12ae358ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac8689d849e718810b06623a4b5d07c78ff84cb5ff8714851928d51065337e86
[INFO] running `Command { std: "docker" "start" "-a" "ac8689d849e718810b06623a4b5d07c78ff84cb5ff8714851928d51065337e86", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `max_points` is never used
[INFO] [stdout]   --> src/solutions/q149_max_points_on_a_line/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn max_points(points: Vec<Vec<i32>>) -> i32 {
[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] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/solutions/q84_largest_rectangle_in_histogram/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let res = Solution::largest_rectangle_area(vec![3, 6, 5, 7, 4, 8, 1, 0]);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "ac8689d849e718810b06623a4b5d07c78ff84cb5ff8714851928d51065337e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8689d849e718810b06623a4b5d07c78ff84cb5ff8714851928d51065337e86", kill_on_drop: false }`
[INFO] [stdout] ac8689d849e718810b06623a4b5d07c78ff84cb5ff8714851928d51065337e86