[INFO] cloning repository https://github.com/Snopx/AlgorithmWithRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Snopx/AlgorithmWithRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnopx%2FAlgorithmWithRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnopx%2FAlgorithmWithRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 227a8a07ee1423611dbe7688ce03f3d4c938724c
[INFO] testing Snopx/AlgorithmWithRust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnopx%2FAlgorithmWithRust" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Snopx/AlgorithmWithRust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Snopx/AlgorithmWithRust
[INFO] finished tweaking git repo https://github.com/Snopx/AlgorithmWithRust
[INFO] tweaked toml for git repo https://github.com/Snopx/AlgorithmWithRust written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/Snopx/AlgorithmWithRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e6a07edaa050090887ec40249bafe6c0539fd15e8995f684af9f1287be694ac
[INFO] running `Command { std: "docker" "start" "-a" "9e6a07edaa050090887ec40249bafe6c0539fd15e8995f684af9f1287be694ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e6a07edaa050090887ec40249bafe6c0539fd15e8995f684af9f1287be694ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6a07edaa050090887ec40249bafe6c0539fd15e8995f684af9f1287be694ac", kill_on_drop: false }`
[INFO] [stdout] 9e6a07edaa050090887ec40249bafe6c0539fd15e8995f684af9f1287be694ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15aece7e28bf5557daa0b1702c010f011473c30151ea0d3f7b8cbacc97f1bfd0
[INFO] running `Command { std: "docker" "start" "-a" "15aece7e28bf5557daa0b1702c010f011473c30151ea0d3f7b8cbacc97f1bfd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/bubble_sort.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/binary_search.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn binary_search<T: Ord>(item: &T, arr: &[T]) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bubble_sort`
[INFO] [stdout]  --> src/bubble_sort.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn bubble_sort<T: Ord>(arr: &mut [T]) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insertion_sort`
[INFO] [stdout]  --> src/insertion_sort.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn insertion_sort<T>(arr: &[T]) -> Vec<T>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "15aece7e28bf5557daa0b1702c010f011473c30151ea0d3f7b8cbacc97f1bfd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15aece7e28bf5557daa0b1702c010f011473c30151ea0d3f7b8cbacc97f1bfd0", kill_on_drop: false }`
[INFO] [stdout] 15aece7e28bf5557daa0b1702c010f011473c30151ea0d3f7b8cbacc97f1bfd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b74d7ff527d529907da91edaebd4b4aca85266d2cde83afb9cd85031d364b3
[INFO] running `Command { std: "docker" "start" "-a" "48b74d7ff527d529907da91edaebd4b4aca85266d2cde83afb9cd85031d364b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/bubble_sort.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48b74d7ff527d529907da91edaebd4b4aca85266d2cde83afb9cd85031d364b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b74d7ff527d529907da91edaebd4b4aca85266d2cde83afb9cd85031d364b3", kill_on_drop: false }`
[INFO] [stdout] 48b74d7ff527d529907da91edaebd4b4aca85266d2cde83afb9cd85031d364b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9db671ac1ffb19d6d190196503ca1b7436d8807370b2b933e079ff2d290d6b34
[INFO] running `Command { std: "docker" "start" "-a" "9db671ac1ffb19d6d190196503ca1b7436d8807370b2b933e079ff2d290d6b34", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/bubble_sort.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `algorithms` (bin "algorithms" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algorithms-3dcc50cdd1f50b74)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test binary_search::tests::search_strings ... ok
[INFO] [stdout] test bubble_sort::tests::ascending ... ok
[INFO] [stdout] test bubble_sort::tests::descending ... ok
[INFO] [stdout] test insertion_sort::tests::already_sorted ... ok
[INFO] [stdout] test insertion_sort::tests::odd_number_of_elements ... ok
[INFO] [stdout] test insertion_sort::tests::repeated_elements ... ok
[INFO] [stdout] test insertion_sort::tests::one_element ... ok
[INFO] [stdout] test insertion_sort::tests::basic ... ok
[INFO] [stdout] test insertion_sort::tests::empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9db671ac1ffb19d6d190196503ca1b7436d8807370b2b933e079ff2d290d6b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db671ac1ffb19d6d190196503ca1b7436d8807370b2b933e079ff2d290d6b34", kill_on_drop: false }`
[INFO] [stdout] 9db671ac1ffb19d6d190196503ca1b7436d8807370b2b933e079ff2d290d6b34