[INFO] cloning repository https://github.com/levinotik/reetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levinotik/reetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Freetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Freetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66dbca7ee7d896e93ebd938a693eb7393c97c3e0
[INFO] testing levinotik/reetcode against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Freetcode" "/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/levinotik/reetcode on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/levinotik/reetcode
[INFO] finished tweaking git repo https://github.com/levinotik/reetcode
[INFO] tweaked toml for git repo https://github.com/levinotik/reetcode written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/levinotik/reetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 453f39d92a3b1a1d5640ff2f3fb0a3122d142cafa5117d810cd771a1ccebd101
[INFO] running `Command { std: "docker" "start" "-a" "453f39d92a3b1a1d5640ff2f3fb0a3122d142cafa5117d810cd771a1ccebd101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "453f39d92a3b1a1d5640ff2f3fb0a3122d142cafa5117d810cd771a1ccebd101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453f39d92a3b1a1d5640ff2f3fb0a3122d142cafa5117d810cd771a1ccebd101", kill_on_drop: false }`
[INFO] [stdout] 453f39d92a3b1a1d5640ff2f3fb0a3122d142cafa5117d810cd771a1ccebd101
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db25392f0628f4e7c13b3d0a260de90aa4025ee4ecea4068818de8968d56fe84
[INFO] running `Command { std: "docker" "start" "-a" "db25392f0628f4e7c13b3d0a260de90aa4025ee4ecea4068818de8968d56fe84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `defang_ip_address`
[INFO] [stdout]  --> src/solutions.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn defang_ip_address(address: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `relative_sort_array`
[INFO] [stdout]   --> src/solutions.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn relative_sort_array(arr1: Vec<i32>, arr2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_equiv_domino_pairs`
[INFO] [stdout]   --> src/solutions.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn num_equiv_domino_pairs(dominoes: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "db25392f0628f4e7c13b3d0a260de90aa4025ee4ecea4068818de8968d56fe84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db25392f0628f4e7c13b3d0a260de90aa4025ee4ecea4068818de8968d56fe84", kill_on_drop: false }`
[INFO] [stdout] db25392f0628f4e7c13b3d0a260de90aa4025ee4ecea4068818de8968d56fe84
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6343f5cbfb396075ded6d604544ea48b5eecba80a5fbf87550382f8f1ee878a
[INFO] running `Command { std: "docker" "start" "-a" "d6343f5cbfb396075ded6d604544ea48b5eecba80a5fbf87550382f8f1ee878a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "d6343f5cbfb396075ded6d604544ea48b5eecba80a5fbf87550382f8f1ee878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6343f5cbfb396075ded6d604544ea48b5eecba80a5fbf87550382f8f1ee878a", kill_on_drop: false }`
[INFO] [stdout] d6343f5cbfb396075ded6d604544ea48b5eecba80a5fbf87550382f8f1ee878a
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 981f02c8ab389bf85e058beb27ee2667dffd37cacd0f20b2599e2fcc4fbcbf6e
[INFO] running `Command { std: "docker" "start" "-a" "981f02c8ab389bf85e058beb27ee2667dffd37cacd0f20b2599e2fcc4fbcbf6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reetcode-3807dc5c2437b7d2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test solutions::test::test_defang_ip_address ... ok
[INFO] [stdout] test solutions::test::test_num_equiv_domino_pairs ... ok
[INFO] [stdout] test solutions::test::test_relative_sort_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "981f02c8ab389bf85e058beb27ee2667dffd37cacd0f20b2599e2fcc4fbcbf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981f02c8ab389bf85e058beb27ee2667dffd37cacd0f20b2599e2fcc4fbcbf6e", kill_on_drop: false }`
[INFO] [stdout] 981f02c8ab389bf85e058beb27ee2667dffd37cacd0f20b2599e2fcc4fbcbf6e