[INFO] updating cached repository https://github.com/xiaohulu/grokking-algorithms
[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] efed9db2e1b83373fa631d7de2cd01377a7b3db9
[INFO] testing xiaohulu/grokking-algorithms against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaohulu/grokking-algorithms 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/xiaohulu/grokking-algorithms
[INFO] finished tweaking git repo https://github.com/xiaohulu/grokking-algorithms
[INFO] tweaked toml for git repo https://github.com/xiaohulu/grokking-algorithms written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaohulu/grokking-algorithms 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2b49be407ca3e5d750207a4c7dc00c57df4ffd947a982229478c3ae348543d79
[INFO] running `"docker" "start" "-a" "2b49be407ca3e5d750207a4c7dc00c57df4ffd947a982229478c3ae348543d79"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "2b49be407ca3e5d750207a4c7dc00c57df4ffd947a982229478c3ae348543d79"`
[INFO] running `"docker" "rm" "-f" "2b49be407ca3e5d750207a4c7dc00c57df4ffd947a982229478c3ae348543d79"`
[INFO] [stdout] 2b49be407ca3e5d750207a4c7dc00c57df4ffd947a982229478c3ae348543d79
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 810fdc17c20ff043ea30afe2d5ca847536587b9cc07a70aecdbc392c7719bbe0
[INFO] running `"docker" "start" "-a" "810fdc17c20ff043ea30afe2d5ca847536587b9cc07a70aecdbc392c7719bbe0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "810fdc17c20ff043ea30afe2d5ca847536587b9cc07a70aecdbc392c7719bbe0"`
[INFO] running `"docker" "rm" "-f" "810fdc17c20ff043ea30afe2d5ca847536587b9cc07a70aecdbc392c7719bbe0"`
[INFO] [stdout] 810fdc17c20ff043ea30afe2d5ca847536587b9cc07a70aecdbc392c7719bbe0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 3e72c4157c3e904a80636c0c571d098bf0eac646026b89b0ac3d2a21a37cc8ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3e72c4157c3e904a80636c0c571d098bf0eac646026b89b0ac3d2a21a37cc8ea"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grokking_algorithms1-4847097af78a5805
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test ch03::count_down::tests::count_down_success ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grokking_algorithms1-5cddfa2feea979bb
[INFO] [stdout] test ch03::greet::tests::count_down_success ... ok
[INFO] [stdout] test ch04::loop_sum::tests::sum_success ... ok
[INFO] [stdout] test ch01::binary_search::tests::binary_search_i32_matched ... ok
[INFO] [stdout] test ch04::quick_sort::tests::quick_sort_success ... ok
[INFO] [stdout] test ch01::binary_search::tests::binary_search_str_matched ... ok
[INFO] [stdout] test ch03::factorial::tests::count_down_success ... ok
[INFO] [stdout] test ch02::selection_sort::tests::selection_sort_success ... ok
[INFO] [stdout] test ch04::recursive_count::tests::count_success ... ok
[INFO] [stdout] test ch04::recursive_max::tests::max_success ... ok
[INFO] [stdout] test ch04::recursive_sum::tests::sum_success ... ok
[INFO] [stdout] test ch05::price_of_groceries::tests::new_success ... ok
[INFO] [stdout] test ch05::check_voter::tests::check_voter_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grokking_algorithms1
[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" "3e72c4157c3e904a80636c0c571d098bf0eac646026b89b0ac3d2a21a37cc8ea"`
[INFO] running `"docker" "rm" "-f" "3e72c4157c3e904a80636c0c571d098bf0eac646026b89b0ac3d2a21a37cc8ea"`
[INFO] [stdout] 3e72c4157c3e904a80636c0c571d098bf0eac646026b89b0ac3d2a21a37cc8ea