[INFO] updating cached repository https://github.com/ciuncan/hackerrank-solutions
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0756b534bb11769fd4b917092102823695ea134
[INFO] testing ciuncan/hackerrank-solutions against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciuncan%2Fhackerrank-solutions" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ciuncan/hackerrank-solutions on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ciuncan/hackerrank-solutions
[INFO] finished tweaking git repo https://github.com/ciuncan/hackerrank-solutions
[INFO] tweaked toml for git repo https://github.com/ciuncan/hackerrank-solutions written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ciuncan/hackerrank-solutions already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 119c8ce334f1deb2ea58933e4dfd6099517eb92a977fdc9f1a5b2fa674891461
[INFO] running `"docker" "start" "-a" "119c8ce334f1deb2ea58933e4dfd6099517eb92a977fdc9f1a5b2fa674891461"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hackerrank-solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "119c8ce334f1deb2ea58933e4dfd6099517eb92a977fdc9f1a5b2fa674891461"`
[INFO] running `"docker" "rm" "-f" "119c8ce334f1deb2ea58933e4dfd6099517eb92a977fdc9f1a5b2fa674891461"`
[INFO] [stdout] 119c8ce334f1deb2ea58933e4dfd6099517eb92a977fdc9f1a5b2fa674891461
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0715d88d28fd1000d83bcb961561bcbfcb4e4554074c94c5025bd97582c3e8e
[INFO] running `"docker" "start" "-a" "e0715d88d28fd1000d83bcb961561bcbfcb4e4554074c94c5025bd97582c3e8e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hackerrank-solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "e0715d88d28fd1000d83bcb961561bcbfcb4e4554074c94c5025bd97582c3e8e"`
[INFO] running `"docker" "rm" "-f" "e0715d88d28fd1000d83bcb961561bcbfcb4e4554074c94c5025bd97582c3e8e"`
[INFO] [stdout] e0715d88d28fd1000d83bcb961561bcbfcb4e4554074c94c5025bd97582c3e8e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 401a63cb909e24c7ffaa5c247936d1e5da832a27f8087b412f5c718c27c5c36f
[INFO] running `"docker" "start" "-a" "401a63cb909e24c7ffaa5c247936d1e5da832a27f8087b412f5c718c27c5c36f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hackerrank_solutions-bb984dd58caae8ea
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hackerrank_solutions-0601585acd6f08ad
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test arrays::left_rotation::tests::sample_case ... ok
[INFO] [stdout] test arrays::new_year_chaos::tests::min_bribe_count_empty ... ok
[INFO] [stdout] test arrays::minimum_swaps_two::tests::minimum_swap_count_sample1 ... ok
[INFO] [stdout] test arrays::new_year_chaos::tests::min_bribe_count_sample ... ok
[INFO] [stdout] test arrays::new_year_chaos::tests::min_bribe_count_single_bribe ... ok
[INFO] [stdout] test arrays::new_year_chaos::tests::min_bribe_count_too_chaotic ... ok
[INFO] [stdout] test arrays::two_d_array::tests::matrix_hourglass_sample2 ... ok
[INFO] [stdout] test arrays::two_d_array::tests::matrix_hourglass_sample1 ... ok
[INFO] [stdout] test arrays::two_d_array::tests::matrix_hourglass_simple ... ok
[INFO] [stdout] test warmup_challenges::counting_valleys::tests::walk_without_steps_produce_empty ... ok
[INFO] [stdout] test warmup_challenges::counting_valleys::tests::walk_valley_count_single ... ok
[INFO] [stdout] test warmup_challenges::jumping_on_the_clouds::tests::cumulus_run_length ... ok
[INFO] [stdout] test warmup_challenges::counting_valleys::tests::walk_with_2_steps_should_create_initial_state ... ok
[INFO] [stdout] test warmup_challenges::counting_valleys::tests::walk_with_less_than_2_steps_produce_empty ... ok
[INFO] [stdout] test warmup_challenges::counting_valleys::tests::walk_with_series_of_directions ... ok
[INFO] [stdout] test warmup_challenges::jumping_on_the_clouds::tests::failed_test_case ... ok
[INFO] [stdout] test warmup_challenges::jumping_on_the_clouds::tests::min_jump_count_test ... ok
[INFO] [stdout] test warmup_challenges::jumping_on_the_clouds::tests::min_jump_required_for ... ok
[INFO] [stdout] test warmup_challenges::repeated_string::tests::second_example ... ok
[INFO] [stdout] test warmup_challenges::repeated_string::tests::first_example ... ok
[INFO] [stdout] test arrays::new_year_chaos::tests::min_bribe_count_ordered ... ok
[INFO] [stdout] test arrays::minimum_swaps_two::tests::minimum_swap_count_sample2 ... ok
[INFO] [stdout] test warmup_challenges::sock_merchant::tests::check_100_numbers_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hackerrank-solutions
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "401a63cb909e24c7ffaa5c247936d1e5da832a27f8087b412f5c718c27c5c36f"`
[INFO] running `"docker" "rm" "-f" "401a63cb909e24c7ffaa5c247936d1e5da832a27f8087b412f5c718c27c5c36f"`
[INFO] [stdout] 401a63cb909e24c7ffaa5c247936d1e5da832a27f8087b412f5c718c27c5c36f