[INFO] cloning repository https://github.com/wilcoxky/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wilcoxky/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilcoxky%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilcoxky%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c52bccfe439b7904fbcfdeb81137e16d3ea3925
[INFO] checking wilcoxky/leetcode against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilcoxky%2Fleetcode" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wilcoxky/leetcode on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wilcoxky/leetcode
[INFO] finished tweaking git repo https://github.com/wilcoxky/leetcode
[INFO] tweaked toml for git repo https://github.com/wilcoxky/leetcode written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wilcoxky/leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4b6f5893aae5d1c4d4fc9fac85a3e4c8a77f4dfb77e1996772ad1b6e0bfe11c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4b6f5893aae5d1c4d4fc9fac85a3e4c8a77f4dfb77e1996772ad1b6e0bfe11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b6f5893aae5d1c4d4fc9fac85a3e4c8a77f4dfb77e1996772ad1b6e0bfe11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b6f5893aae5d1c4d4fc9fac85a3e4c8a77f4dfb77e1996772ad1b6e0bfe11c", kill_on_drop: false }`
[INFO] [stdout] f4b6f5893aae5d1c4d4fc9fac85a3e4c8a77f4dfb77e1996772ad1b6e0bfe11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 841afa19134282f47b00bc77448a348efcd9f564a97bf72afa77240a2a31896e
[INFO] running `Command { std: "docker" "start" "-a" "841afa19134282f47b00bc77448a348efcd9f564a97bf72afa77240a2a31896e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] [stderr]     Checking problem_sets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `intersect`
[INFO] [stdout]  --> src/p350_intersection.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "841afa19134282f47b00bc77448a348efcd9f564a97bf72afa77240a2a31896e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841afa19134282f47b00bc77448a348efcd9f564a97bf72afa77240a2a31896e", kill_on_drop: false }`
[INFO] [stdout] 841afa19134282f47b00bc77448a348efcd9f564a97bf72afa77240a2a31896e