[INFO] cloning repository https://github.com/leechanwoo/rust-leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leechanwoo/rust-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleechanwoo%2Frust-leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleechanwoo%2Frust-leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1574e0f862aa61132a70d1755ab6c3f221083d1b
[INFO] testing leechanwoo/rust-leetcode against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleechanwoo%2Frust-leetcode" "/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/leechanwoo/rust-leetcode on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leechanwoo/rust-leetcode
[INFO] finished tweaking git repo https://github.com/leechanwoo/rust-leetcode
[INFO] tweaked toml for git repo https://github.com/leechanwoo/rust-leetcode written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/leechanwoo/rust-leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5042ec5d560e187781d7fb893c62fa53d704f5aafc581f00bde8ee5c6612f8e
[INFO] running `Command { std: "docker" "start" "-a" "d5042ec5d560e187781d7fb893c62fa53d704f5aafc581f00bde8ee5c6612f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5042ec5d560e187781d7fb893c62fa53d704f5aafc581f00bde8ee5c6612f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5042ec5d560e187781d7fb893c62fa53d704f5aafc581f00bde8ee5c6612f8e", kill_on_drop: false }`
[INFO] [stdout] d5042ec5d560e187781d7fb893c62fa53d704f5aafc581f00bde8ee5c6612f8e
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d3d0d3e8a7f4e382cfd7d8705fa882ee6a4f420050f65e616992d70c0080796
[INFO] running `Command { std: "docker" "start" "-a" "2d3d0d3e8a7f4e382cfd7d8705fa882ee6a4f420050f65e616992d70c0080796", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "2d3d0d3e8a7f4e382cfd7d8705fa882ee6a4f420050f65e616992d70c0080796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3d0d3e8a7f4e382cfd7d8705fa882ee6a4f420050f65e616992d70c0080796", kill_on_drop: false }`
[INFO] [stdout] 2d3d0d3e8a7f4e382cfd7d8705fa882ee6a4f420050f65e616992d70c0080796
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83ea61186d1b161fd26470167c25cb68cdb1136a2580fd860fcf35ade168fa5b
[INFO] running `Command { std: "docker" "start" "-a" "83ea61186d1b161fd26470167c25cb68cdb1136a2580fd860fcf35ade168fa5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "83ea61186d1b161fd26470167c25cb68cdb1136a2580fd860fcf35ade168fa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ea61186d1b161fd26470167c25cb68cdb1136a2580fd860fcf35ade168fa5b", kill_on_drop: false }`
[INFO] [stdout] 83ea61186d1b161fd26470167c25cb68cdb1136a2580fd860fcf35ade168fa5b
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 853e97cc31a77d7ea955491356decd0de44d6f743af04955fb617226e5fc5fa2
[INFO] running `Command { std: "docker" "start" "-a" "853e97cc31a77d7ea955491356decd0de44d6f743af04955fb617226e5fc5fa2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-2f2bc07b57188f35)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "853e97cc31a77d7ea955491356decd0de44d6f743af04955fb617226e5fc5fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853e97cc31a77d7ea955491356decd0de44d6f743af04955fb617226e5fc5fa2", kill_on_drop: false }`
[INFO] [stdout] 853e97cc31a77d7ea955491356decd0de44d6f743af04955fb617226e5fc5fa2