[INFO] fetching crate rudoku-core 0.2.0... [INFO] testing rudoku-core-0.2.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate rudoku-core 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate rudoku-core 0.2.0 [INFO] finished tweaking crates.io crate rudoku-core 0.2.0 [INFO] tweaked toml for crates.io crate rudoku-core 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rudoku-core 0.2.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.10.5 (available: v0.14.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0da23ccf884b264a9512b55fd64db2746ad18d8a246c281d180728aff5fd17fc [INFO] running `Command { std: "docker" "start" "-a" "0da23ccf884b264a9512b55fd64db2746ad18d8a246c281d180728aff5fd17fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0da23ccf884b264a9512b55fd64db2746ad18d8a246c281d180728aff5fd17fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0da23ccf884b264a9512b55fd64db2746ad18d8a246c281d180728aff5fd17fc", kill_on_drop: false }` [INFO] [stdout] 0da23ccf884b264a9512b55fd64db2746ad18d8a246c281d180728aff5fd17fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 164cc0d49936f275e3da7d2fe72220b8c77cc8c8083d3e291e6f8602d9537c1e [INFO] running `Command { std: "docker" "start" "-a" "164cc0d49936f275e3da7d2fe72220b8c77cc8c8083d3e291e6f8602d9537c1e", kill_on_drop: false }` [INFO] [stderr] Compiling rudoku-core v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::sudoku::Sudoku` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::sudoku::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::sudoku::sudoku_value::SudokuValue` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::sudoku::sudoku_value::SudokuValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Sudoku` [INFO] [stdout] --> src/sudoku/sudoku_value/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "164cc0d49936f275e3da7d2fe72220b8c77cc8c8083d3e291e6f8602d9537c1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "164cc0d49936f275e3da7d2fe72220b8c77cc8c8083d3e291e6f8602d9537c1e", kill_on_drop: false }` [INFO] [stdout] 164cc0d49936f275e3da7d2fe72220b8c77cc8c8083d3e291e6f8602d9537c1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 007768a825024b805720d1487668348a746cde2fbe399aa7fee3575792fc5074 [INFO] running `Command { std: "docker" "start" "-a" "007768a825024b805720d1487668348a746cde2fbe399aa7fee3575792fc5074", kill_on_drop: false }` [INFO] [stderr] Compiling rudoku-core v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::sudoku::Sudoku` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::sudoku::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::sudoku::sudoku_value::SudokuValue` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::sudoku::sudoku_value::SudokuValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Sudoku` [INFO] [stdout] --> src/sudoku/sudoku_value/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::sudoku::Sudoku` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::sudoku::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::sudoku::sudoku_value::SudokuValue` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::sudoku::sudoku_value::SudokuValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Sudoku` [INFO] [stdout] --> src/sudoku/sudoku_value/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::Sudoku; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/tests.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | filled_suds[i].fill(0, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 142 | let _ = filled_suds[i].fill(0, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/tests.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | sud.fill(0, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 157 | let _ = sud.fill(0, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/tests.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | example.decimate(30); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 178 | let _ = example.decimate(30); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sudoku/tests.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | example.decimate(81); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 188 | let _ = example.decimate(81); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "007768a825024b805720d1487668348a746cde2fbe399aa7fee3575792fc5074", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "007768a825024b805720d1487668348a746cde2fbe399aa7fee3575792fc5074", kill_on_drop: false }` [INFO] [stdout] 007768a825024b805720d1487668348a746cde2fbe399aa7fee3575792fc5074 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 771fe787fcc639296994dca1d074bc1261c69e5466d0e3e100a36ade82b79ab0 [INFO] running `Command { std: "docker" "start" "-a" "771fe787fcc639296994dca1d074bc1261c69e5466d0e3e100a36ade82b79ab0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::sudoku::Sudoku` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::sudoku::Sudoku; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::sudoku::sudoku_value::SudokuValue` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::sudoku::sudoku_value::SudokuValue; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Sudoku` [INFO] [stderr] --> src/sudoku/sudoku_value/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use super::Sudoku; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/tests.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | filled_suds[i].fill(0, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 142 | let _ = filled_suds[i].fill(0, 0); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/tests.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | sud.fill(0, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 157 | let _ = sud.fill(0, 0); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/tests.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 178 | example.decimate(30); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 178 | let _ = example.decimate(30); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/sudoku/tests.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | example.decimate(81); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 188 | let _ = example.decimate(81); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rudoku-core` (lib) generated 3 warnings (run `cargo fix --lib -p rudoku-core` to apply 3 suggestions) [INFO] [stderr] warning: `rudoku-core` (lib test) generated 7 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rudoku_core-f8bef96a6fd0b20f) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test sudoku::sudoku_value::tests::from_i32 ... ok [INFO] [stdout] test sudoku::sudoku_value::tests::get_number_array ... ok [INFO] [stdout] test sudoku::sudoku_value::tests::iterator ... ok [INFO] [stdout] test sudoku::sudoku_value::tests::to_string ... ok [INFO] [stdout] test sudoku::tests::check_false ... ok [INFO] [stdout] test sudoku::tests::decimate_16 ... ok [INFO] [stdout] test sudoku::tests::decimate_81 ... ok [INFO] [stdout] test sudoku::tests::count_other ... ok [INFO] [stdout] test sudoku::tests::decimate_82 ... ok [INFO] [stdout] test sudoku::tests::solved_false ... ok [INFO] [stdout] test sudoku::tests::solved_true ... ok [INFO] [stdout] test util::tests::has_only_unique_elements_2 ... ok [INFO] [stdout] test util::tests::has_only_unique_elements_1 ... ok [INFO] [stdout] test util::tests::has_only_unique_elements_3 ... ok [INFO] [stdout] test sudoku::tests::from_string ... ok [INFO] [stdout] test sudoku::tests::get_column ... ok [INFO] [stdout] test sudoku::tests::get_row ... ok [INFO] [stdout] test sudoku::tests::get_square ... ok [INFO] [stdout] test sudoku::tests::check_true ... ok [INFO] [stdout] test sudoku::tests::check_panic - should panic ... ok [INFO] [stdout] test sudoku::tests::count_9 ... ok [INFO] [stdout] test sudoku::tests::solve ... ok [INFO] [stdout] test sudoku::tests::fill_check ... ok [INFO] [stdout] test sudoku::tests::fill_random ... ok [INFO] [stdout] test sudoku::tests::decimate_30 ... ok [INFO] [stderr] Doc-tests rudoku_core [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.93s [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" "771fe787fcc639296994dca1d074bc1261c69e5466d0e3e100a36ade82b79ab0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "771fe787fcc639296994dca1d074bc1261c69e5466d0e3e100a36ade82b79ab0", kill_on_drop: false }` [INFO] [stdout] 771fe787fcc639296994dca1d074bc1261c69e5466d0e3e100a36ade82b79ab0