[INFO] cloning repository https://github.com/malcp/rs-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malcp/rs-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcp%2Frs-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcp%2Frs-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 632334b13d77df826ecd470718e6cdb867b1f1de
[INFO] testing malcp/rs-algorithms against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcp%2Frs-algorithms" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malcp/rs-algorithms 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/malcp/rs-algorithms
[INFO] finished tweaking git repo https://github.com/malcp/rs-algorithms
[INFO] tweaked toml for git repo https://github.com/malcp/rs-algorithms written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/malcp/rs-algorithms 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f4bb8086b679a204256596afa74a1803babb7594b59f9e828f28051915c76841
[INFO] running `Command { std: "docker" "start" "-a" "f4bb8086b679a204256596afa74a1803babb7594b59f9e828f28051915c76841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4bb8086b679a204256596afa74a1803babb7594b59f9e828f28051915c76841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4bb8086b679a204256596afa74a1803babb7594b59f9e828f28051915c76841", kill_on_drop: false }`
[INFO] [stdout] f4bb8086b679a204256596afa74a1803babb7594b59f9e828f28051915c76841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4c2d417031de0efa1ea3b30272d5b0c50eda57c9cd9a76f5b9028c5671e0bb05
[INFO] running `Command { std: "docker" "start" "-a" "4c2d417031de0efa1ea3b30272d5b0c50eda57c9cd9a76f5b9028c5671e0bb05", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sort`
[INFO] [stdout]  --> src/selection.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(array: &mut [i64]) {
[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 0.22s
[INFO] running `Command { std: "docker" "inspect" "4c2d417031de0efa1ea3b30272d5b0c50eda57c9cd9a76f5b9028c5671e0bb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2d417031de0efa1ea3b30272d5b0c50eda57c9cd9a76f5b9028c5671e0bb05", kill_on_drop: false }`
[INFO] [stdout] 4c2d417031de0efa1ea3b30272d5b0c50eda57c9cd9a76f5b9028c5671e0bb05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5ae6f5d8a8a09f7c405734b0257c5bf0d51110bf87a8b98578dc325ff0133659
[INFO] running `Command { std: "docker" "start" "-a" "5ae6f5d8a8a09f7c405734b0257c5bf0d51110bf87a8b98578dc325ff0133659", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `sort`
[INFO] [stdout]  --> src/selection.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(array: &mut [i64]) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "5ae6f5d8a8a09f7c405734b0257c5bf0d51110bf87a8b98578dc325ff0133659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae6f5d8a8a09f7c405734b0257c5bf0d51110bf87a8b98578dc325ff0133659", kill_on_drop: false }`
[INFO] [stdout] 5ae6f5d8a8a09f7c405734b0257c5bf0d51110bf87a8b98578dc325ff0133659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9bbd4816eecc6942596926c8dda39aabbf85692129c9e7a47d85b5b4b2f0cde2
[INFO] running `Command { std: "docker" "start" "-a" "9bbd4816eecc6942596926c8dda39aabbf85692129c9e7a47d85b5b4b2f0cde2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]  --> src/selection.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn sort(array: &mut [i64]) {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-algorithms` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_algorithms-44d108785b37ae2d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test selection::test::should_work_with_negative_values ... ok
[INFO] [stdout] test selection::test::should_work_with_repeated_values ... ok
[INFO] [stdout] test selection::test::should_work_with_unsorted_collection ... ok
[INFO] [stderr]    Doc-tests rs-algorithms
[INFO] [stdout] test selection::test::should_work_with_sorted_collection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "9bbd4816eecc6942596926c8dda39aabbf85692129c9e7a47d85b5b4b2f0cde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbd4816eecc6942596926c8dda39aabbf85692129c9e7a47d85b5b4b2f0cde2", kill_on_drop: false }`
[INFO] [stdout] 9bbd4816eecc6942596926c8dda39aabbf85692129c9e7a47d85b5b4b2f0cde2