[INFO] cloning repository https://github.com/Arxoto/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arxoto/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArxoto%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArxoto%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78ccf4297d22f37e62e8bf07ff19f7f2e7843139 [INFO] testing Arxoto/sudoku against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArxoto%2Fsudoku" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Arxoto/sudoku on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Arxoto/sudoku [INFO] finished tweaking git repo https://github.com/Arxoto/sudoku [INFO] tweaked toml for git repo https://github.com/Arxoto/sudoku written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Arxoto/sudoku 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5aa133142e78f8637a8d796b0f9c2d45c731cdae69fad4031303fb282595e46b [INFO] running `Command { std: "docker" "start" "-a" "5aa133142e78f8637a8d796b0f9c2d45c731cdae69fad4031303fb282595e46b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5aa133142e78f8637a8d796b0f9c2d45c731cdae69fad4031303fb282595e46b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aa133142e78f8637a8d796b0f9c2d45c731cdae69fad4031303fb282595e46b", kill_on_drop: false }` [INFO] [stdout] 5aa133142e78f8637a8d796b0f9c2d45c731cdae69fad4031303fb282595e46b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 199aa6a8fe4a11685400ff02f541283829f660605105c573787078ed79afac4a [INFO] running `Command { std: "docker" "start" "-a" "199aa6a8fe4a11685400ff02f541283829f660605105c573787078ed79afac4a", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/sudoku/rulers.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | unsafe { RULER_CONTAINER.as_ref().unwrap().ruler_loop } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/sudoku/rulers.rs:117:10 [INFO] [stdout] | [INFO] [stdout] 117 | *RULER_CONTAINER [INFO] [stdout] | __________^ [INFO] [stdout] 118 | | .as_ref() [INFO] [stdout] | |_____________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "199aa6a8fe4a11685400ff02f541283829f660605105c573787078ed79afac4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "199aa6a8fe4a11685400ff02f541283829f660605105c573787078ed79afac4a", kill_on_drop: false }` [INFO] [stdout] 199aa6a8fe4a11685400ff02f541283829f660605105c573787078ed79afac4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2bee5cace6b78b3a211d139b574cabfd4b620e3e8028d6ef1f1efb860fc8b961 [INFO] running `Command { std: "docker" "start" "-a" "2bee5cace6b78b3a211d139b574cabfd4b620e3e8028d6ef1f1efb860fc8b961", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/sudoku/rulers.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | unsafe { RULER_CONTAINER.as_ref().unwrap().ruler_loop } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/sudoku/rulers.rs:117:10 [INFO] [stdout] | [INFO] [stdout] 117 | *RULER_CONTAINER [INFO] [stdout] | __________^ [INFO] [stdout] 118 | | .as_ref() [INFO] [stdout] | |_____________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "2bee5cace6b78b3a211d139b574cabfd4b620e3e8028d6ef1f1efb860fc8b961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bee5cace6b78b3a211d139b574cabfd4b620e3e8028d6ef1f1efb860fc8b961", kill_on_drop: false }` [INFO] [stdout] 2bee5cace6b78b3a211d139b574cabfd4b620e3e8028d6ef1f1efb860fc8b961 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b0f1ecd8aa9bdb97f80ea0ce09c3e141e38894d06dc6f1ec6608d3b3cebbf55e [INFO] running `Command { std: "docker" "start" "-a" "b0f1ecd8aa9bdb97f80ea0ce09c3e141e38894d06dc6f1ec6608d3b3cebbf55e", kill_on_drop: false }` [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/sudoku/rulers.rs:98:14 [INFO] [stderr] | [INFO] [stderr] 98 | unsafe { RULER_CONTAINER.as_ref().unwrap().ruler_loop } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/sudoku/rulers.rs:117:10 [INFO] [stderr] | [INFO] [stderr] 117 | *RULER_CONTAINER [INFO] [stderr] | __________^ [INFO] [stderr] 118 | | .as_ref() [INFO] [stderr] | |_____________________^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] [INFO] [stderr] warning: `sudoku` (bin "sudoku" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku-54c8e8545aacd883) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test sudoku::algorithm::tests::test_into_candidate_and_evolution ... ok [INFO] [stdout] test sudoku::rulers::tests::test ... ok [INFO] [stdout] test sudoku::algorithm::tests::test_only_one_position ... ok [INFO] [stdout] test sudoku::algorithm::tests::test_position_double_mutex ... ok [INFO] [stdout] test sudoku::algorithm::tests::test_much_position_in_same_other_partition ... ok [INFO] [stdout] test sudoku::algorithm::tests::test_into ... ok [INFO] [stdout] test sudoku::algorithm::tests::test_position_triple_mutex ... ok [INFO] [stdout] test sudoku::algorithm::tests::test_evolution_and_into ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b0f1ecd8aa9bdb97f80ea0ce09c3e141e38894d06dc6f1ec6608d3b3cebbf55e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0f1ecd8aa9bdb97f80ea0ce09c3e141e38894d06dc6f1ec6608d3b3cebbf55e", kill_on_drop: false }` [INFO] [stdout] b0f1ecd8aa9bdb97f80ea0ce09c3e141e38894d06dc6f1ec6608d3b3cebbf55e