[INFO] fetching crate contest-algorithms 0.3.0... [INFO] testing contest-algorithms-0.3.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate contest-algorithms 0.3.0 into /workspace/builds/worker-3-tc2/source [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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate contest-algorithms 0.3.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6be7872717232f8005bfcbd31ffffebf5eeefed374cb4047f4adb7e09e3f5099 [INFO] running `Command { std: "docker" "start" "-a" "6be7872717232f8005bfcbd31ffffebf5eeefed374cb4047f4adb7e09e3f5099", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6be7872717232f8005bfcbd31ffffebf5eeefed374cb4047f4adb7e09e3f5099", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6be7872717232f8005bfcbd31ffffebf5eeefed374cb4047f4adb7e09e3f5099", kill_on_drop: false }` [INFO] [stdout] 6be7872717232f8005bfcbd31ffffebf5eeefed374cb4047f4adb7e09e3f5099 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a179248b8064d3a73403608a40023dd4d4df56727af9876a796117cb034ececb [INFO] running `Command { std: "docker" "start" "-a" "a179248b8064d3a73403608a40023dd4d4df56727af9876a796117cb034ececb", kill_on_drop: false }` [INFO] [stderr] Compiling contest-algorithms v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/graph/mod.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/graph/util.rs:64:16 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn dfs(&self, root: usize) -> DfsIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn dfs(&self, root: usize) -> DfsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "a179248b8064d3a73403608a40023dd4d4df56727af9876a796117cb034ececb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a179248b8064d3a73403608a40023dd4d4df56727af9876a796117cb034ececb", kill_on_drop: false }` [INFO] [stdout] a179248b8064d3a73403608a40023dd4d4df56727af9876a796117cb034ececb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8773a81feaa7abcddf168ee668680f84455a2f5a59011ca5c11bfb6e5227a02e [INFO] running `Command { std: "docker" "start" "-a" "8773a81feaa7abcddf168ee668680f84455a2f5a59011ca5c11bfb6e5227a02e", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/graph/mod.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/graph/util.rs:64:16 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn dfs(&self, root: usize) -> DfsIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn dfs(&self, root: usize) -> DfsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling contest-algorithms v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/graph/mod.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/graph/util.rs:64:16 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn dfs(&self, root: usize) -> DfsIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn dfs(&self, root: usize) -> DfsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "8773a81feaa7abcddf168ee668680f84455a2f5a59011ca5c11bfb6e5227a02e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8773a81feaa7abcddf168ee668680f84455a2f5a59011ca5c11bfb6e5227a02e", kill_on_drop: false }` [INFO] [stdout] 8773a81feaa7abcddf168ee668680f84455a2f5a59011ca5c11bfb6e5227a02e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] df33a0d59c8356b31dadf7e9074c33faa787c0af49a053a94ad4ddc80a34c0a9 [INFO] running `Command { std: "docker" "start" "-a" "df33a0d59c8356b31dadf7e9074c33faa787c0af49a053a94ad4ddc80a34c0a9", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] running 55 tests [INFO] [stderr] --> src/graph/mod.rs:100:21 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 100 | pub fn adj_list(&self, u: usize) -> AdjListIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/graph/util.rs:64:16 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn dfs(&self, root: usize) -> DfsIterator { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 64 | pub fn dfs(&self, root: usize) -> DfsIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `contest-algorithms` (lib) generated 2 warnings (run `cargo fix --lib -p contest-algorithms` to apply 2 suggestions) [INFO] [stderr] warning: `contest-algorithms` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/contest_algorithms-d0be2d9e005398e8) [INFO] [stdout] test caching::tests::test_cacher_basically_works ... ok [INFO] [stdout] test caching::tests::test_call_and_replace ... ok [INFO] [stdout] test graph::connectivity::test::test_biconnected ... ok [INFO] [stdout] test graph::connectivity::test::test_toposort ... ok [INFO] [stdout] test graph::flow::test::test_basic_flow ... ok [INFO] [stdout] test graph::flow::test::test_min_cost_flow ... ok [INFO] [stdout] test graph::util::test::test_dfs ... ok [INFO] [stdout] test graph::util::test::test_dfs2 ... ok [INFO] [stdout] test graph::test::test_adj_list ... ok [INFO] [stdout] test graph::util::test::test_dfs_space_complexity ... ok [INFO] [stdout] test graph::util::test::test_dijkstra ... ok [INFO] [stdout] test math::fft::test::test_complex_convolution ... ok [INFO] [stdout] test math::fft::test::test_complex_dft ... ok [INFO] [stdout] test math::fft::test::test_modular_dft ... ok [INFO] [stdout] test math::fft::test::test_modular_convolution ... 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_linalg ... ok [INFO] [stdout] test math::num::test::test_vec_of_recips ... ok [INFO] [stdout] test math::test::test_miller ... ok [INFO] [stdout] test math::test::test_egcd ... ok [INFO] [stdout] test math::test::test_modexp ... ok [INFO] [stdout] test order::test::test_bounds ... ok [INFO] [stdout] test math::test::test_pollard ... ok [INFO] [stdout] test math::num::test::test_complex ... ok [INFO] [stdout] test order::test::test_coord_compress ... ok [INFO] [stdout] test order::test::test_convex_hull_trick ... ok [INFO] [stdout] test order::test::test_merge_sort ... ok [INFO] [stdout] test order::test::test_merge_sorted ... ok [INFO] [stdout] test range_query::sqrt_decomp::test::test_mos_algorithm ... ok [INFO] [stdout] test range_query::test::test_persistent_rmq ... 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 range_query::test::test_dynamic_range_sum ... ok [INFO] [stdout] test graph::util::test::test_euler ... ok [INFO] [stdout] test range_query::test::test_huge_rmq ... ok [INFO] [stdout] test graph::flow::test::test_max_matching ... ok [INFO] [stdout] test range_query::test::test_dynamic_rmq ... ok [INFO] [stdout] test range_query::test::test_range_sum ... ok [INFO] [stdout] test range_query::test::test_rmq ... ok [INFO] [stdout] test string_proc::test::test_kmp_matching ... ok [INFO] [stdout] test range_query::test::test_supply_demand ... ok [INFO] [stdout] test scanner::test::test_compile_stdio ... ok [INFO] [stdout] test scanner::test::test_in_memory_io ... 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_trie ... ok [INFO] [stdout] test string_proc::test::test_suffix_array ... ok [INFO] [stdout] test string_proc::test::test_ac_matching ... ok [INFO] [stdout] test order::test::test_range_compress ... ok [INFO] [stdout] test graph::util::test::test_min_spanning_tree ... ok [INFO] [stdout] test graph::connectivity::test::test_two_sat ... ok [INFO] [stdout] test range_query::test::test_dynamic_supply_demand ... 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 0.10s [INFO] [stdout] [INFO] [stderr] Running tests/codeforces343d.rs (/opt/rustwide/target/debug/deps/codeforces343d-91f185567f35de27) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests contest_algorithms [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::new (line 33) ... ok [INFO] [stdout] test src/string_proc.rs - string_proc::Matcher<'a,C>::new (line 62) ... ok [INFO] [stdout] test src/caching.rs - caching::Cacher::call (line 48) ... ok [INFO] [stdout] test src/order.rs - order::asserting_cmp (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "df33a0d59c8356b31dadf7e9074c33faa787c0af49a053a94ad4ddc80a34c0a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df33a0d59c8356b31dadf7e9074c33faa787c0af49a053a94ad4ddc80a34c0a9", kill_on_drop: false }` [INFO] [stdout] df33a0d59c8356b31dadf7e9074c33faa787c0af49a053a94ad4ddc80a34c0a9