[INFO] updating cached repository https://github.com/Nalleyer/SudokuSolver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4d0677b09b28157087276910f7ddd483eb583bd2 [INFO] testing Nalleyer/SudokuSolver against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNalleyer%2FSudokuSolver" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nalleyer/SudokuSolver on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Nalleyer/SudokuSolver [INFO] finished tweaking git repo https://github.com/Nalleyer/SudokuSolver [INFO] tweaked toml for git repo https://github.com/Nalleyer/SudokuSolver written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Nalleyer/SudokuSolver already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 27402225ed3ae75a13b0f48587eda850a69f87ae441858b574a98a60a30f04ae [INFO] running `"docker" "start" "-a" "27402225ed3ae75a13b0f48587eda850a69f87ae441858b574a98a60a30f04ae"` [INFO] [stderr] Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `View` [INFO] [stderr] --> src/solver.rs:1:36 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::sudoku::{Sudoku, Value, View}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/solver.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `Value` [INFO] [stderr] --> src/bin/main.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | use sudoku_solver::{Solver, Sudoku, Value}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.83s [INFO] running `"docker" "inspect" "27402225ed3ae75a13b0f48587eda850a69f87ae441858b574a98a60a30f04ae"` [INFO] running `"docker" "rm" "-f" "27402225ed3ae75a13b0f48587eda850a69f87ae441858b574a98a60a30f04ae"` [INFO] [stdout] 27402225ed3ae75a13b0f48587eda850a69f87ae441858b574a98a60a30f04ae [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 25d97ecfb47f979abd3cde8594a6faaab47ebb1c2685dd09a5d216a60e2cb65f [INFO] running `"docker" "start" "-a" "25d97ecfb47f979abd3cde8594a6faaab47ebb1c2685dd09a5d216a60e2cb65f"` [INFO] [stderr] Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `View` [INFO] [stderr] --> src/solver.rs:1:36 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::sudoku::{Sudoku, Value, View}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/solver.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `Value` [INFO] [stderr] --> src/bin/main.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | use sudoku_solver::{Solver, Sudoku, Value}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `View` [INFO] [stderr] --> src/solver.rs:1:36 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::sudoku::{Sudoku, Value, View}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/solver.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:164:13 [INFO] [stderr] | [INFO] [stderr] 164 | let mut sdk = Sudoku::new(&s_str).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | let mut sdk2 = Sudoku::new(&s_str).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `"docker" "inspect" "25d97ecfb47f979abd3cde8594a6faaab47ebb1c2685dd09a5d216a60e2cb65f"` [INFO] running `"docker" "rm" "-f" "25d97ecfb47f979abd3cde8594a6faaab47ebb1c2685dd09a5d216a60e2cb65f"` [INFO] [stdout] 25d97ecfb47f979abd3cde8594a6faaab47ebb1c2685dd09a5d216a60e2cb65f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e8151a96ea37793c69b56b0712d37513254d3ad7779530a590d680527077c95c [INFO] running `"docker" "start" "-a" "e8151a96ea37793c69b56b0712d37513254d3ad7779530a590d680527077c95c"` [INFO] [stderr] warning: unused import: `View` [INFO] [stderr] --> src/solver.rs:1:36 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::sudoku::{Sudoku, Value, View}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/solver.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `View` [INFO] [stderr] --> src/solver.rs:1:36 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::sudoku::{Sudoku, Value, View}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/solver.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:164:13 [INFO] [stderr] | [INFO] [stderr] 164 | let mut sdk = Sudoku::new(&s_str).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | let mut sdk2 = Sudoku::new(&s_str).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `Value` [INFO] [stderr] --> src/bin/main.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | use sudoku_solver::{Solver, Sudoku, Value}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sudoku_solver-adc6401c46097bad [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test solver::test::no_unknown_is_finished ... ok [INFO] [stdout] test sudoku::test::fill_function ... ok [INFO] [stdout] test solver::test::same_sudoku ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/main-42ac71a113353501 [INFO] [stderr] Doc-tests sudoku_solver [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 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "e8151a96ea37793c69b56b0712d37513254d3ad7779530a590d680527077c95c"` [INFO] running `"docker" "rm" "-f" "e8151a96ea37793c69b56b0712d37513254d3ad7779530a590d680527077c95c"` [INFO] [stdout] e8151a96ea37793c69b56b0712d37513254d3ad7779530a590d680527077c95c