[INFO] cloning repository https://github.com/Vanille-N/Sudoku-Solver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vanille-N/Sudoku-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanille-N%2FSudoku-Solver"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanille-N%2FSudoku-Solver'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5164e55853c54d763777fd948e449d314b49c27a [INFO] checking Vanille-N/Sudoku-Solver against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanille-N%2FSudoku-Solver" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vanille-N/Sudoku-Solver on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Vanille-N/Sudoku-Solver [INFO] finished tweaking git repo https://github.com/Vanille-N/Sudoku-Solver [INFO] tweaked toml for git repo https://github.com/Vanille-N/Sudoku-Solver written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Vanille-N/Sudoku-Solver already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 10874654e13a6f1840ed7cd4a3de8c3a1669e52bfcd6500d0fe77545f039eeb3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "10874654e13a6f1840ed7cd4a3de8c3a1669e52bfcd6500d0fe77545f039eeb3"` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking Sudoku-async v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `main_sequential` [INFO] [stderr] --> src/main.rs:249:4 [INFO] [stderr] | [INFO] [stderr] 249 | fn main_sequential() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_vec` [INFO] [stderr] --> src/main.rs:276:4 [INFO] [stderr] | [INFO] [stderr] 276 | fn main_vec() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_scoped_pool` [INFO] [stderr] --> src/main.rs:313:4 [INFO] [stderr] | [INFO] [stderr] 313 | fn main_scoped_pool() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_scoped_split` [INFO] [stderr] --> src/main.rs:356:4 [INFO] [stderr] | [INFO] [stderr] 356 | fn main_scoped_split() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `Sudoku_async` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `sudoku_async` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_sequential` [INFO] [stderr] --> src/main.rs:249:4 [INFO] [stderr] | [INFO] [stderr] 249 | fn main_sequential() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_vec` [INFO] [stderr] --> src/main.rs:276:4 [INFO] [stderr] | [INFO] [stderr] 276 | fn main_vec() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_scoped_pool` [INFO] [stderr] --> src/main.rs:313:4 [INFO] [stderr] | [INFO] [stderr] 313 | fn main_scoped_pool() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_scoped_split` [INFO] [stderr] --> src/main.rs:356:4 [INFO] [stderr] | [INFO] [stderr] 356 | fn main_scoped_split() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `Sudoku_async` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `sudoku_async` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.21s [INFO] running `"docker" "inspect" "10874654e13a6f1840ed7cd4a3de8c3a1669e52bfcd6500d0fe77545f039eeb3"` [INFO] running `"docker" "rm" "-f" "10874654e13a6f1840ed7cd4a3de8c3a1669e52bfcd6500d0fe77545f039eeb3"` [INFO] [stdout] 10874654e13a6f1840ed7cd4a3de8c3a1669e52bfcd6500d0fe77545f039eeb3