[INFO] cloning repository https://github.com/xiaohulu/grokking-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaohulu/grokking-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efed9db2e1b83373fa631d7de2cd01377a7b3db9
[INFO] testing xiaohulu/grokking-algorithms 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%2Fxiaohulu%2Fgrokking-algorithms" "/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/xiaohulu/grokking-algorithms 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/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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaohulu/grokking-algorithms 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] 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] 26eb2349e4410002790284d696501ebaca8ce14082503d1c1ac0adbda0f28413
[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" "26eb2349e4410002790284d696501ebaca8ce14082503d1c1ac0adbda0f28413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26eb2349e4410002790284d696501ebaca8ce14082503d1c1ac0adbda0f28413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26eb2349e4410002790284d696501ebaca8ce14082503d1c1ac0adbda0f28413", kill_on_drop: false }`
[INFO] [stdout] 26eb2349e4410002790284d696501ebaca8ce14082503d1c1ac0adbda0f28413
[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] ec01cf8d7b6e376d3de3bfd7801ede3392d40a59012039f085d47e9f69a05382
[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" "ec01cf8d7b6e376d3de3bfd7801ede3392d40a59012039f085d47e9f69a05382", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "ec01cf8d7b6e376d3de3bfd7801ede3392d40a59012039f085d47e9f69a05382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec01cf8d7b6e376d3de3bfd7801ede3392d40a59012039f085d47e9f69a05382", kill_on_drop: false }`
[INFO] [stdout] ec01cf8d7b6e376d3de3bfd7801ede3392d40a59012039f085d47e9f69a05382
[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] [stdout] 77f82a67ee768d9ec505b70658e6208b2e37dc32613bfc8b39f0061a433a3216
[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" "77f82a67ee768d9ec505b70658e6208b2e37dc32613bfc8b39f0061a433a3216", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "77f82a67ee768d9ec505b70658e6208b2e37dc32613bfc8b39f0061a433a3216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f82a67ee768d9ec505b70658e6208b2e37dc32613bfc8b39f0061a433a3216", kill_on_drop: false }`
[INFO] [stdout] 77f82a67ee768d9ec505b70658e6208b2e37dc32613bfc8b39f0061a433a3216
[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] cdf80b3cd16a04667d96c23fd6a30d1ce3c4193b5a7aca6aa11658b70083629a
[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" "cdf80b3cd16a04667d96c23fd6a30d1ce3c4193b5a7aca6aa11658b70083629a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grokking_algorithms1-22b47a8de22f2fea
[INFO] [stdout] test ch01::binary_search::tests::binary_search_i32_matched ... ok
[INFO] [stdout] test ch02::selection_sort::tests::selection_sort_success ... ok
[INFO] [stdout] test ch01::binary_search::tests::binary_search_str_matched ... ok
[INFO] [stdout] test ch04::recursive_count::tests::count_success ... ok
[INFO] [stdout] test ch03::greet::tests::count_down_success ... ok
[INFO] [stdout] test ch04::loop_sum::tests::sum_success ... ok
[INFO] [stdout] test ch03::count_down::tests::count_down_success ... ok
[INFO] [stdout] test ch03::factorial::tests::count_down_success ... ok
[INFO] [stdout] test ch04::quick_sort::tests::quick_sort_success ... ok
[INFO] [stdout] test ch04::recursive_max::tests::max_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] test ch04::recursive_sum::tests::sum_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grokking_algorithms1-c15faa7f00cbe6df
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdf80b3cd16a04667d96c23fd6a30d1ce3c4193b5a7aca6aa11658b70083629a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf80b3cd16a04667d96c23fd6a30d1ce3c4193b5a7aca6aa11658b70083629a", kill_on_drop: false }`
[INFO] [stdout] cdf80b3cd16a04667d96c23fd6a30d1ce3c4193b5a7aca6aa11658b70083629a