[INFO] fetching crate contest-algorithms 0.2.1...
[INFO] testing contest-algorithms-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate contest-algorithms 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate contest-algorithms 0.2.1 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 crates.io crate contest-algorithms 0.2.1
[INFO] finished tweaking crates.io crate contest-algorithms 0.2.1
[INFO] tweaked toml for crates.io crate contest-algorithms 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 316a380088d47bbd8eca0937b03a8660ce192bdc4111eca26278c7ecd014d491
[INFO] running `Command { std: "docker" "start" "-a" "316a380088d47bbd8eca0937b03a8660ce192bdc4111eca26278c7ecd014d491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316a380088d47bbd8eca0937b03a8660ce192bdc4111eca26278c7ecd014d491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316a380088d47bbd8eca0937b03a8660ce192bdc4111eca26278c7ecd014d491", kill_on_drop: false }`
[INFO] [stdout] 316a380088d47bbd8eca0937b03a8660ce192bdc4111eca26278c7ecd014d491
[INFO] running `Command { std: "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" "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] cc935716df188221556f4e07a932158e7ad78181e6b98e3761cc1197fbbe5c34
[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" "cc935716df188221556f4e07a932158e7ad78181e6b98e3761cc1197fbbe5c34", kill_on_drop: false }`
[INFO] [stderr]    Compiling contest-algorithms v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "cc935716df188221556f4e07a932158e7ad78181e6b98e3761cc1197fbbe5c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc935716df188221556f4e07a932158e7ad78181e6b98e3761cc1197fbbe5c34", kill_on_drop: false }`
[INFO] [stdout] cc935716df188221556f4e07a932158e7ad78181e6b98e3761cc1197fbbe5c34
[INFO] running `Command { std: "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" "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] d8454471234dbf862564688cf9e6d6dd2ac8d633d415854ae146d6a102905ab3
[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" "d8454471234dbf862564688cf9e6d6dd2ac8d633d415854ae146d6a102905ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling contest-algorithms v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "d8454471234dbf862564688cf9e6d6dd2ac8d633d415854ae146d6a102905ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8454471234dbf862564688cf9e6d6dd2ac8d633d415854ae146d6a102905ab3", kill_on_drop: false }`
[INFO] [stdout] d8454471234dbf862564688cf9e6d6dd2ac8d633d415854ae146d6a102905ab3
[INFO] running `Command { std: "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" "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] 6b41715e9d475ea506c765d7d13cc95e158fc92a6b3a46cf022f2055d3e58102
[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" "6b41715e9d475ea506c765d7d13cc95e158fc92a6b3a46cf022f2055d3e58102", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/contest_algorithms-05cedc898300a591
[INFO] [stdout] running 52 tests
[INFO] [stdout] test graph::connectivity::test::test_toposort ... ok
[INFO] [stdout] test graph::util::test::test_dfs2 ... ok
[INFO] [stdout] test graph::util::test::test_dfs_space_complexity ... ok
[INFO] [stdout] test graph::util::test::test_euler ... ok
[INFO] [stdout] test math::fft::test::test_modular_dft ... ok
[INFO] [stdout] test math::fft::test::test_modular_convolution ... ok
[INFO] [stdout] test graph::util::test::test_dijkstra ... ok
[INFO] [stdout] test graph::connectivity::test::test_two_sat ... ok
[INFO] [stdout] test graph::flow::test::test_min_cost_flow ... ok
[INFO] [stdout] test graph::flow::test::test_max_matching ... ok
[INFO] [stdout] test graph::util::test::test_dfs ... ok
[INFO] [stdout] test graph::test::test_adj_list ... ok
[INFO] [stdout] test graph::util::test::test_min_spanning_tree ... ok
[INFO] [stdout] test graph::connectivity::test::test_biconnected ... ok
[INFO] [stdout] test order::test::test_bounds ... ok
[INFO] [stdout] test order::test::test_convex_hull_trick ... ok
[INFO] [stdout] test graph::flow::test::test_basic_flow ... ok
[INFO] [stdout] test order::test::test_range_compress ... ok
[INFO] [stdout] test range_query::sqrt_decomp::test::test_mos_algorithm ... ok
[INFO] [stdout] test order::test::test_merge_sorted ... ok
[INFO] [stdout] test math::test::test_modexp ... ok
[INFO] [stdout] test math::test::test_miller ... ok
[INFO] [stdout] test math::test::test_egcd ... ok
[INFO] [stdout] test math::test::test_pollard ... ok
[INFO] [stdout] test math::num::test::test_linalg ... ok
[INFO] [stdout] test math::num::test::test_field ... ok
[INFO] [stdout] test math::num::test::test_rational ... ok
[INFO] [stdout] test math::num::test::test_vec_of_recips ... ok
[INFO] [stdout] test order::test::test_coord_compress ... ok
[INFO] [stdout] test order::test::test_merge_sort ... ok
[INFO] [stdout] test range_query::test::test_dynamic_range_sum ... ok
[INFO] [stdout] test range_query::test::test_dynamic_supply_demand ... ok
[INFO] [stdout] test range_query::test::test_persistent_rmq ... ok
[INFO] [stdout] test string_proc::test::test_kmp_matching ... ok
[INFO] [stdout] test range_query::test::test_range_sum ... ok
[INFO] [stdout] test range_query::test::test_dynamic_rmq ... ok
[INFO] [stdout] test range_query::test::test_huge_rmq ... ok
[INFO] [stdout] test string_proc::test::test_suffix_array ... ok
[INFO] [stdout] test range_query::test::test_supply_demand ... ok
[INFO] [stdout] test scanner::test::test_in_memory_io ... ok
[INFO] [stdout] test string_proc::test::test_trie ... ok
[INFO] [stdout] test string_proc::test::test_ac_matching ... ok
[INFO] [stdout] test string_proc::test::test_palindrome ... ok
[INFO] [stdout] test scanner::test::test_compile_stdio ... ok
[INFO] [stdout] test scanner::test::test_in_memory_unsafe ... ok
[INFO] [stdout] test range_query::test::test_rmq ... ok
[INFO] [stdout] test math::num::test::test_complex ... ok
[INFO] [stdout] test range_query::test::test_binary_search_rmq ... ok
[INFO] [stdout] test range_query::test::test_dynamic_binary_search_rmq ... ok
[INFO] [stdout] test math::fft::test::test_complex_dft ... ok
[INFO] [stdout] test math::fft::test::test_complex_convolution ... ok
[INFO] [stdout] test scanner::test::test_panic_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/codeforces343d-bce11ae942082e87
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests contest-algorithms
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/string_proc.rs - string_proc::Matcher::new (line 62) ... ok
[INFO] [stdout] test src/order.rs - order::asserting_cmp (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b41715e9d475ea506c765d7d13cc95e158fc92a6b3a46cf022f2055d3e58102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b41715e9d475ea506c765d7d13cc95e158fc92a6b3a46cf022f2055d3e58102", kill_on_drop: false }`
[INFO] [stdout] 6b41715e9d475ea506c765d7d13cc95e158fc92a6b3a46cf022f2055d3e58102