[INFO] cloning repository https://github.com/Alexnortung/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/Alexnortung/leetcode-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexnortung%2Fleetcode-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexnortung%2Fleetcode-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2231f2d4586630ff666809a827b0f4a51237ed06
[INFO] checking Alexnortung/leetcode-solutions/2231f2d4586630ff666809a827b0f4a51237ed06 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexnortung%2Fleetcode-solutions" "/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/Alexnortung/leetcode-solutions 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/Alexnortung/leetcode-solutions
[INFO] finished tweaking git repo https://github.com/Alexnortung/leetcode-solutions
[INFO] tweaked toml for git repo https://github.com/Alexnortung/leetcode-solutions written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Alexnortung/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" "+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] d3f4e8ab6bf630f775ae4f8ab7b353c118e8ab1b88b7bb1cd9c125e304c610aa
[INFO] running `Command { std: "docker" "start" "-a" "d3f4e8ab6bf630f775ae4f8ab7b353c118e8ab1b88b7bb1cd9c125e304c610aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3f4e8ab6bf630f775ae4f8ab7b353c118e8ab1b88b7bb1cd9c125e304c610aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f4e8ab6bf630f775ae4f8ab7b353c118e8ab1b88b7bb1cd9c125e304c610aa", kill_on_drop: false }`
[INFO] [stdout] d3f4e8ab6bf630f775ae4f8ab7b353c118e8ab1b88b7bb1cd9c125e304c610aa
[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] 62b1c54288c1fa4e9b22b7da3d1a34375e332c715f2e6e19202ff00c27cc3f65
[INFO] running `Command { std: "docker" "start" "-a" "62b1c54288c1fa4e9b22b7da3d1a34375e332c715f2e6e19202ff00c27cc3f65", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/problems/p00004_median_of_two_sorted_arrays/mod.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 return (shortest_nums[mid] + longest_nums[mid2]) as f64 / 2.0;
[INFO] [stdout]     |                 ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 174 |         0.0
[INFO] [stdout]     |         ^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/problems/p00002_add_two_numbers/mod.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn helper(
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/problems/p00004_median_of_two_sorted_arrays/mod.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 return (shortest_nums[mid] + longest_nums[mid2]) as f64 / 2.0;
[INFO] [stdout]     |                 ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 174 |         0.0
[INFO] [stdout]     |         ^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/problems/p00002_add_two_numbers/mod.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn helper(
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "62b1c54288c1fa4e9b22b7da3d1a34375e332c715f2e6e19202ff00c27cc3f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b1c54288c1fa4e9b22b7da3d1a34375e332c715f2e6e19202ff00c27cc3f65", kill_on_drop: false }`
[INFO] [stdout] 62b1c54288c1fa4e9b22b7da3d1a34375e332c715f2e6e19202ff00c27cc3f65