[INFO] fetching crate dancing-links 0.3.1... [INFO] testing dancing-links-0.3.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate dancing-links 0.3.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate dancing-links 0.3.1 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate dancing-links 0.3.1 [INFO] tweaked toml for crates.io crate dancing-links 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dancing-links 0.3.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate dancing-links 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d21185ec9212b5d3851d830d961a9c4be5b22e58305a32252d6d8523e403cca2 [INFO] running `Command { std: "docker" "start" "-a" "d21185ec9212b5d3851d830d961a9c4be5b22e58305a32252d6d8523e403cca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d21185ec9212b5d3851d830d961a9c4be5b22e58305a32252d6d8523e403cca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d21185ec9212b5d3851d830d961a9c4be5b22e58305a32252d6d8523e403cca2", kill_on_drop: false }` [INFO] [stdout] d21185ec9212b5d3851d830d961a9c4be5b22e58305a32252d6d8523e403cca2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c9e8bffa707d0d9e96460ac07a89fba2c49d378b5c8ab4d3f693ccb1ad802f8 [INFO] running `Command { std: "docker" "start" "-a" "8c9e8bffa707d0d9e96460ac07a89fba2c49d378b5c8ab4d3f693ccb1ad802f8", kill_on_drop: false }` [INFO] [stderr] Compiling bumpalo v3.17.0 [INFO] [stderr] Compiling dancing-links v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 42 | fn solver(&self) -> Solver [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] 42 | fn solver(&self) -> Solver<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "8c9e8bffa707d0d9e96460ac07a89fba2c49d378b5c8ab4d3f693ccb1ad802f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c9e8bffa707d0d9e96460ac07a89fba2c49d378b5c8ab4d3f693ccb1ad802f8", kill_on_drop: false }` [INFO] [stdout] 8c9e8bffa707d0d9e96460ac07a89fba2c49d378b5c8ab4d3f693ccb1ad802f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e6aa0e8963b943ceb0dec45007bcd2b3023fbd9d1a062c075d2e3dffe96513b [INFO] running `Command { std: "docker" "start" "-a" "8e6aa0e8963b943ceb0dec45007bcd2b3023fbd9d1a062c075d2e3dffe96513b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 42 | fn solver(&self) -> Solver [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] 42 | fn solver(&self) -> Solver<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling env_logger v0.11.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling dancing-links v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 42 | fn solver(&self) -> Solver [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] 42 | fn solver(&self) -> Solver<'_, Self> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.86s [INFO] running `Command { std: "docker" "inspect" "8e6aa0e8963b943ceb0dec45007bcd2b3023fbd9d1a062c075d2e3dffe96513b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e6aa0e8963b943ceb0dec45007bcd2b3023fbd9d1a062c075d2e3dffe96513b", kill_on_drop: false }` [INFO] [stdout] 8e6aa0e8963b943ceb0dec45007bcd2b3023fbd9d1a062c075d2e3dffe96513b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a6baf79ff16ad33fa7dfea61c72101fee138e785f91fd5d7ad5910cad65703c9 [INFO] running `Command { std: "docker" "start" "-a" "a6baf79ff16ad33fa7dfea61c72101fee138e785f91fd5d7ad5910cad65703c9", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:42:15 [INFO] [stderr] | [INFO] [stderr] 42 | fn solver(&self) -> Solver [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] 42 | fn solver(&self) -> Solver<'_, Self> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `dancing-links` (lib) generated 1 warning (run `cargo fix --lib -p dancing-links` to apply 1 suggestion) [INFO] [stderr] warning: `dancing-links` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dancing_links-e11f528cfbb4f7de) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test grid::tests::cover_uncover_column ... ok [INFO] [stdout] test grid::tests::cover_uncover_all ... ok [INFO] [stdout] test grid::tests::create_weird_grids ... ok [INFO] [stdout] test grid::tests::create_a_small_grid ... ok [INFO] [stdout] test grid::tests::latin_square_cover_1 ... ok [INFO] [stdout] test latin_square::tests::check_all_possibilities ... ok [INFO] [stdout] test latin_square::tests::check_generated_possibilities_constraints ... ok [INFO] [stdout] test latin_square::tests::solve_small_latin_square ... ok [INFO] [stdout] test queens::tests::check_diagonal_indices ... ok [INFO] [stdout] test sudoku::tests::solve_small_sudoku ... ok [INFO] [stdout] test latin_square::tests::solve_multi_solution_latin_square ... ok [INFO] [stdout] test queens::tests::check_tiny_boards ... ok [INFO] [stdout] test queens::tests::check_small_board ... ok [INFO] [stdout] test latin_square::tests::solve_impossible_latin_square ... ok [INFO] [stdout] test sudoku::tests::check_generated_possibilities_constraints ... ok [INFO] [stdout] test util::tests::latin_square_test_1 ... ok [INFO] [stdout] test util::tests::three_combo ... ok [INFO] [stdout] test util::tests::latin_square_test_3 ... ok [INFO] [stdout] test queens::tests::count_medium_board ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/common.rs (/opt/rustwide/target/debug/deps/common-ff2a59e698cbe67c) [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] [stderr] Running tests/regression_tests.rs (/opt/rustwide/target/debug/deps/regression_tests-b762192ee0a34050) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test issue_4 ... ignored, test takes upwards of 300 seconds when running not in release mode [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/sudoku_tests.rs (/opt/rustwide/target/debug/deps/sudoku_tests-d0704391a1085613) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test enumerate_all_sudoku_solutions_large ... ignored [INFO] [stdout] test enumerate_many_sudoku_solutions ... ignored [INFO] [stdout] test enumerate_all_sudoku_solutions_small ... ok [INFO] [stdout] test single_sudoku_test ... ok [INFO] [stderr] Doc-tests dancing_links [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.91s [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" "a6baf79ff16ad33fa7dfea61c72101fee138e785f91fd5d7ad5910cad65703c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6baf79ff16ad33fa7dfea61c72101fee138e785f91fd5d7ad5910cad65703c9", kill_on_drop: false }` [INFO] [stdout] a6baf79ff16ad33fa7dfea61c72101fee138e785f91fd5d7ad5910cad65703c9