[INFO] cloning repository https://github.com/DMJ16/rs-algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DMJ16/rs-algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMJ16%2Frs-algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMJ16%2Frs-algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c7e2bcf795e43f4dedc34de5a91303bff304430
[INFO] testing DMJ16/rs-algo against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMJ16%2Frs-algo" "/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/DMJ16/rs-algo on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DMJ16/rs-algo
[INFO] finished tweaking git repo https://github.com/DMJ16/rs-algo
[INFO] tweaked toml for git repo https://github.com/DMJ16/rs-algo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DMJ16/rs-algo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded num-iter v0.1.41
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52940a3ea8ee4da387e139ed3328cf63fbb972be40f0ff195523f8a2637fbce9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52940a3ea8ee4da387e139ed3328cf63fbb972be40f0ff195523f8a2637fbce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52940a3ea8ee4da387e139ed3328cf63fbb972be40f0ff195523f8a2637fbce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52940a3ea8ee4da387e139ed3328cf63fbb972be40f0ff195523f8a2637fbce9", kill_on_drop: false }`
[INFO] [stdout] 52940a3ea8ee4da387e139ed3328cf63fbb972be40f0ff195523f8a2637fbce9
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48354613d75bdb76f0b2e76cb6b6bdbfa35037b92e67ef340eb2305b4e6bc743
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48354613d75bdb76f0b2e76cb6b6bdbfa35037b92e67ef340eb2305b4e6bc743", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling data_struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.17s
[INFO] running `Command { std: "docker" "inspect" "48354613d75bdb76f0b2e76cb6b6bdbfa35037b92e67ef340eb2305b4e6bc743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48354613d75bdb76f0b2e76cb6b6bdbfa35037b92e67ef340eb2305b4e6bc743", kill_on_drop: false }`
[INFO] [stdout] 48354613d75bdb76f0b2e76cb6b6bdbfa35037b92e67ef340eb2305b4e6bc743
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34c7246001d4430837d5a53c4ce0b1b20f5996762fc7d25b012ad248a23f2965
[INFO] running `Command { std: "docker" "start" "-a" "34c7246001d4430837d5a53c4ce0b1b20f5996762fc7d25b012ad248a23f2965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling data_struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "34c7246001d4430837d5a53c4ce0b1b20f5996762fc7d25b012ad248a23f2965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c7246001d4430837d5a53c4ce0b1b20f5996762fc7d25b012ad248a23f2965", kill_on_drop: false }`
[INFO] [stdout] 34c7246001d4430837d5a53c4ce0b1b20f5996762fc7d25b012ad248a23f2965
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fd07aa48b1c18b2e33a178b143e6cbb7311856912a81f2a048c3f991c0163e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8fd07aa48b1c18b2e33a178b143e6cbb7311856912a81f2a048c3f991c0163e5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 36 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/data_struct-2713d3c2df3edd46
[INFO] [stdout] test algorithms::factorial::test::factorial_recursive ... ok
[INFO] [stdout] test algorithms::bubble_sort::test::test_bubble_sort ... ok
[INFO] [stdout] test algorithms::fib::test::get_fib_even_sum_to_n ... ok
[INFO] [stdout] test algorithms::factorial::test::factorial_iterative ... ok
[INFO] [stdout] test algorithms::binary_search::test::binary_search_test ... ok
[INFO] [stdout] test algorithms::kadane::test::test_kadane ... ok
[INFO] [stdout] test algorithms::heap_sort::test::heap_sort_test ... ok
[INFO] [stdout] test algorithms::fib::test::get_nth_fibonacci_iterative ... ok
[INFO] [stdout] test algorithms::fib::test::get_nth_fibonacci_expotential ... ok
[INFO] [stdout] test algorithms::fib::test::get_nth_fibonacci_recursive ... ok
[INFO] [stdout] test algorithms::kmp::test::kmp_test ... ok
[INFO] [stdout] test algorithms::merge_sort::test::test_merge_sort ... ok
[INFO] [stdout] test collections::basic_list::test::basics ... ok
[INFO] [stdout] test collections::basic_list::test::iter_mut ... ok
[INFO] [stdout] test algorithms::quick_sort::test::test_quick_sort ... ok
[INFO] [stdout] test algorithms::shell_sort::test::test_shell_sort ... ok
[INFO] [stdout] test collections::basic_list::test::iterator ... ok
[INFO] [stdout] test collections::bst::test::dfs ... ok
[INFO] [stdout] test collections::bst::test::insert_and_find_node ... ok
[INFO] [stdout] test collections::deque::test::basics ... ok
[INFO] [stdout] test collections::deque::test::into_iter ... ok
[INFO] [stdout] test collections::basic_list::test::iter ... ok
[INFO] [stdout] test algorithms::sieve_of_e::test::get_primes ... ok
[INFO] [stdout] test collections::basic_list::test::peek ... ok
[INFO] [stdout] test algorithms::peasant_mult::test::test_peasant_multiplication ... ok
[INFO] [stdout] test collections::bst::test::validate ... ok
[INFO] [stdout] test collections::deque::test::peek ... ok
[INFO] [stdout] test algorithms::levenshtein::test::levenshtein ... ok
[INFO] [stdout] test collections::persistent_list::test::basics ... ok
[INFO] [stdout] test collections::unsafe_queue::test::into_iter ... ok
[INFO] [stdout] test collections::unsafe_queue::test::iter ... ok
[INFO] [stdout] test collections::stack::test::basics ... ok
[INFO] [stdout] test collections::persistent_list::test::iter ... ok
[INFO] [stdout] test collections::graph::test::test_graph ... ok
[INFO] [stdout] test collections::doubly_linked_list::test::test_doubly_linked_list ... ok
[INFO] [stdout] test collections::unsafe_queue::test::iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fd07aa48b1c18b2e33a178b143e6cbb7311856912a81f2a048c3f991c0163e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd07aa48b1c18b2e33a178b143e6cbb7311856912a81f2a048c3f991c0163e5", kill_on_drop: false }`
[INFO] [stdout] 8fd07aa48b1c18b2e33a178b143e6cbb7311856912a81f2a048c3f991c0163e5