[INFO] fetching crate contest-algorithms 0.3.0...
[INFO] testing contest-algorithms-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate contest-algorithms 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate contest-algorithms 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contest-algorithms 0.3.0
[INFO] finished tweaking crates.io crate contest-algorithms 0.3.0
[INFO] tweaked toml for crates.io crate contest-algorithms 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249ee7f1fca6bf8faefc7fd24bbf3916ce4d39d93a289b7398251b92f78bf36c
[INFO] running `Command { std: "docker" "start" "-a" "249ee7f1fca6bf8faefc7fd24bbf3916ce4d39d93a289b7398251b92f78bf36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249ee7f1fca6bf8faefc7fd24bbf3916ce4d39d93a289b7398251b92f78bf36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249ee7f1fca6bf8faefc7fd24bbf3916ce4d39d93a289b7398251b92f78bf36c", kill_on_drop: false }`
[INFO] [stdout] 249ee7f1fca6bf8faefc7fd24bbf3916ce4d39d93a289b7398251b92f78bf36c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994c8b2720a32b01a1c85a86d2231623aaf8c2fc93e61e70ae9e96051a8ce672
[INFO] running `Command { std: "docker" "start" "-a" "994c8b2720a32b01a1c85a86d2231623aaf8c2fc93e61e70ae9e96051a8ce672", kill_on_drop: false }`
[INFO] [stderr]    Compiling contest-algorithms v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "994c8b2720a32b01a1c85a86d2231623aaf8c2fc93e61e70ae9e96051a8ce672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994c8b2720a32b01a1c85a86d2231623aaf8c2fc93e61e70ae9e96051a8ce672", kill_on_drop: false }`
[INFO] [stdout] 994c8b2720a32b01a1c85a86d2231623aaf8c2fc93e61e70ae9e96051a8ce672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e4fc5a6f81471225961f4f4306ac9aae80ed541656d7c1c6219f1826d487f6f
[INFO] running `Command { std: "docker" "start" "-a" "3e4fc5a6f81471225961f4f4306ac9aae80ed541656d7c1c6219f1826d487f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling contest-algorithms v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "3e4fc5a6f81471225961f4f4306ac9aae80ed541656d7c1c6219f1826d487f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4fc5a6f81471225961f4f4306ac9aae80ed541656d7c1c6219f1826d487f6f", kill_on_drop: false }`
[INFO] [stdout] 3e4fc5a6f81471225961f4f4306ac9aae80ed541656d7c1c6219f1826d487f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa14971883b5352b5191b031ae966c31769a845b248b37ddb0f112a972889ad9
[INFO] running `Command { std: "docker" "start" "-a" "aa14971883b5352b5191b031ae966c31769a845b248b37ddb0f112a972889ad9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] running 55 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/contest_algorithms-1ba3421f0af1fff4)
[INFO] [stdout] test graph::connectivity::test::test_biconnected ... ok
[INFO] [stdout] test graph::connectivity::test::test_toposort ... ok
[INFO] [stdout] test graph::connectivity::test::test_two_sat ... ok
[INFO] [stdout] test caching::tests::test_call_and_replace ... ok
[INFO] [stdout] test graph::test::test_adj_list ... ok
[INFO] [stdout] test graph::util::test::test_dijkstra ... ok
[INFO] [stdout] test math::fft::test::test_modular_convolution ... ok
[INFO] [stdout] test math::num::test::test_linalg ... ok
[INFO] [stdout] test graph::flow::test::test_min_cost_flow ... ok
[INFO] [stdout] test graph::flow::test::test_basic_flow ... ok
[INFO] [stdout] test graph::flow::test::test_max_matching ... ok
[INFO] [stdout] test graph::util::test::test_dfs2 ... ok
[INFO] [stdout] test graph::util::test::test_dfs ... ok
[INFO] [stdout] test graph::util::test::test_dfs_space_complexity ... ok
[INFO] [stdout] test graph::util::test::test_min_spanning_tree ... ok
[INFO] [stdout] test math::num::test::test_complex ... ok
[INFO] [stdout] test graph::util::test::test_euler ... ok
[INFO] [stdout] test math::test::test_egcd ... ok
[INFO] [stdout] test math::test::test_miller ... ok
[INFO] [stdout] test order::test::test_merge_sort ... ok
[INFO] [stdout] test order::test::test_merge_sorted ... ok
[INFO] [stdout] test math::test::test_pollard ... ok
[INFO] [stdout] test math::fft::test::test_modular_dft ... ok
[INFO] [stdout] test math::num::test::test_field ... ok
[INFO] [stdout] test math::fft::test::test_complex_convolution ... ok
[INFO] [stdout] test caching::tests::test_cacher_basically_works ... ok
[INFO] [stdout] test math::fft::test::test_complex_dft ... ok
[INFO] [stdout] test range_query::sqrt_decomp::test::test_mos_algorithm ... ok
[INFO] [stdout] test range_query::test::test_dynamic_range_sum ... ok
[INFO] [stdout] test range_query::test::test_binary_search_rmq ... ok
[INFO] [stdout] test order::test::test_bounds ... ok
[INFO] [stdout] test order::test::test_convex_hull_trick ... ok
[INFO] [stdout] test range_query::test::test_dynamic_rmq ... 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 order::test::test_range_compress ... ok
[INFO] [stdout] test range_query::test::test_dynamic_binary_search_rmq ... ok
[INFO] [stdout] test range_query::test::test_range_sum ... ok
[INFO] [stdout] test math::num::test::test_rational ... ok
[INFO] [stdout] test range_query::test::test_supply_demand ... ok
[INFO] [stdout] test scanner::test::test_in_memory_io ... ok
[INFO] [stdout] test order::test::test_coord_compress ... ok
[INFO] [stdout] test range_query::test::test_rmq ... ok
[INFO] [stdout] test math::test::test_modexp ... ok
[INFO] [stdout] test scanner::test::test_compile_stdio ... ok
[INFO] [stdout] test math::num::test::test_vec_of_recips ... ok
[INFO] [stdout] test range_query::test::test_huge_rmq ... ok
[INFO] [stdout] test scanner::test::test_in_memory_unsafe ... ok
[INFO] [stdout] test string_proc::test::test_palindrome ... ok
[INFO] [stdout] test string_proc::test::test_ac_matching ... ok
[INFO] [stdout] test string_proc::test::test_kmp_matching ... ok
[INFO] [stdout] test string_proc::test::test_suffix_array ... ok
[INFO] [stdout] test string_proc::test::test_trie ... ok
[INFO] [stdout] test scanner::test::test_panic_file - should panic ... ok
[INFO] [stdout] test caching::tests::test_cacher_speed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/codeforces343d.rs (/opt/rustwide/target/debug/deps/codeforces343d-6912785be5a2119d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests contest-algorithms
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/caching.rs - caching::Cacher<F, U, V>::new (line 33) ... ok
[INFO] [stdout] test src/order.rs - order::asserting_cmp (line 7) ... ok
[INFO] [stdout] test src/string_proc.rs - string_proc::Matcher::new (line 62) ... ok
[INFO] [stdout] test src/caching.rs - caching::Cacher<F, U, V>::call (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa14971883b5352b5191b031ae966c31769a845b248b37ddb0f112a972889ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa14971883b5352b5191b031ae966c31769a845b248b37ddb0f112a972889ad9", kill_on_drop: false }`
[INFO] [stdout] aa14971883b5352b5191b031ae966c31769a845b248b37ddb0f112a972889ad9