[INFO] cloning repository https://github.com/IsaacClank/dsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IsaacClank/dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacClank%2Fdsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacClank%2Fdsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18d93312d5339d0902f057ad32fba84c001012cc
[INFO] testing IsaacClank/dsa against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacClank%2Fdsa" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IsaacClank/dsa 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/IsaacClank/dsa
[INFO] finished tweaking git repo https://github.com/IsaacClank/dsa
[INFO] tweaked toml for git repo https://github.com/IsaacClank/dsa written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/IsaacClank/dsa 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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 42094120a807a9c7f846b366f63a2e43f37bc4735e8e038cc732dc9dd6beb238
[INFO] running `Command { std: "docker" "start" "-a" "42094120a807a9c7f846b366f63a2e43f37bc4735e8e038cc732dc9dd6beb238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42094120a807a9c7f846b366f63a2e43f37bc4735e8e038cc732dc9dd6beb238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42094120a807a9c7f846b366f63a2e43f37bc4735e8e038cc732dc9dd6beb238", kill_on_drop: false }`
[INFO] [stdout] 42094120a807a9c7f846b366f63a2e43f37bc4735e8e038cc732dc9dd6beb238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 2852750404a81d86fc519c98a8627974816c3a3eeafdd5e0392ccb9c0804e951
[INFO] running `Command { std: "docker" "start" "-a" "2852750404a81d86fc519c98a8627974816c3a3eeafdd5e0392ccb9c0804e951", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learn_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "2852750404a81d86fc519c98a8627974816c3a3eeafdd5e0392ccb9c0804e951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2852750404a81d86fc519c98a8627974816c3a3eeafdd5e0392ccb9c0804e951", kill_on_drop: false }`
[INFO] [stdout] 2852750404a81d86fc519c98a8627974816c3a3eeafdd5e0392ccb9c0804e951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] bac310ef9b5e2490fcb6a67be91541b6ec35018f6233a271495b741b2479f655
[INFO] running `Command { std: "docker" "start" "-a" "bac310ef9b5e2490fcb6a67be91541b6ec35018f6233a271495b741b2479f655", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "bac310ef9b5e2490fcb6a67be91541b6ec35018f6233a271495b741b2479f655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac310ef9b5e2490fcb6a67be91541b6ec35018f6233a271495b741b2479f655", kill_on_drop: false }`
[INFO] [stdout] bac310ef9b5e2490fcb6a67be91541b6ec35018f6233a271495b741b2479f655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] c77afcb1fc1c483582746a64a09729cd7c9a1083bb5c088f8bda068bdcbca8c3
[INFO] running `Command { std: "docker" "start" "-a" "c77afcb1fc1c483582746a64a09729cd7c9a1083bb5c088f8bda068bdcbca8c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_algorithm-3f57bdd71b41a060)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test algo::search::test::binary_seach_best_case ... ok
[INFO] [stdout] test algo::search::test::binary_search_non_worst_case ... ok
[INFO] [stdout] test algo::search::test::binary_search_worst_case_high ... ok
[INFO] [stdout] test algo::search::test::binary_search_worst_case_low ... ok
[INFO] [stdout] test algo::search::test::linear_search_should_retrieve_query_item ... ok
[INFO] [stdout] test algo::sort::test::bubble_sort_should_sort_elements ... ok
[INFO] [stdout] test algo::sort::test::merge_should_work ... ok
[INFO] [stdout] test algo::sort::test::merge_sort_should_work ... ok
[INFO] [stdout] test ds::heap::test::build_heap_test ... ok
[INFO] [stdout] test ds::heap::test::extract_max_test ... ok
[INFO] [stdout] test ds::heap::test::heap_insert_test ... ok
[INFO] [stdout] test ds::heap::test::heap_sort_test ... ok
[INFO] [stdout] test ds::heap::test::to_string_test ... ok
[INFO] [stdout] test ds::heap::test::increase_key_at_test ... ok
[INFO] [stdout] test problems::test::array_manipulation_test ... ok
[INFO] [stdout] test problems::test::contiguous_array_test ... ok
[INFO] [stdout] test problems::test::counting_valley_test ... ok
[INFO] [stdout] test problems::test::fibonacci_generator_test ... ok
[INFO] [stdout] test problems::test::find_max_subarray_test ... ok
[INFO] [stdout] test problems::test::hourglass_sum_test ... ok
[INFO] [stdout] test problems::test::integer_to_roman_test ... ok
[INFO] [stdout] test problems::test::jumping_on_cloud_test ... ok
[INFO] [stdout] test problems::test::longest_palindromic_sub_string_test ... ok
[INFO] [stdout] test problems::test::longest_substring_without_repeating_characters_test ... ok
[INFO] [stdout] test problems::test::reverse_interger_test ... ok
[INFO] [stdout] test problems::test::repeated_string_test ... ok
[INFO] [stdout] test problems::test::median_of_two_sorted_arrays_test ... ok
[INFO] [stdout] test problems::test::rod_cutting_test ... ok
[INFO] [stdout] test problems::test::sock_merchant_test ... ok
[INFO] [stdout] test problems::test::string_to_integer_test ... ok
[INFO] [stdout] test problems::test::tow_sum_test ... ok
[INFO] [stdout] test problems::test::valid_parenthesis_string_test ... ok
[INFO] [stdout] test problems::test::zigzag_conversion_test ... ok
[INFO] [stdout] test algo::search::test::binary_search_no_result - should panic ... ok
[INFO] [stdout] test algo::search::test::linear_search_should_return_error_when_no_result - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn_algorithm
[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" "c77afcb1fc1c483582746a64a09729cd7c9a1083bb5c088f8bda068bdcbca8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77afcb1fc1c483582746a64a09729cd7c9a1083bb5c088f8bda068bdcbca8c3", kill_on_drop: false }`
[INFO] [stdout] c77afcb1fc1c483582746a64a09729cd7c9a1083bb5c088f8bda068bdcbca8c3