[INFO] cloning repository https://github.com/mattmoor/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattmoor/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmoor%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmoor%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f11cb91258a930cdff6c253827e4e32727ce839
[INFO] testing mattmoor/sudoku against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmoor%2Fsudoku" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattmoor/sudoku on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattmoor/sudoku
[INFO] finished tweaking git repo https://github.com/mattmoor/sudoku
[INFO] tweaked toml for git repo https://github.com/mattmoor/sudoku written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mattmoor/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c2ea14ddca4b7111fdfb480f0e72abe48e739a2b59d2b5ae8e13203c40714b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c2ea14ddca4b7111fdfb480f0e72abe48e739a2b59d2b5ae8e13203c40714b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c2ea14ddca4b7111fdfb480f0e72abe48e739a2b59d2b5ae8e13203c40714b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2ea14ddca4b7111fdfb480f0e72abe48e739a2b59d2b5ae8e13203c40714b7", kill_on_drop: false }`
[INFO] [stdout] 6c2ea14ddca4b7111fdfb480f0e72abe48e739a2b59d2b5ae8e13203c40714b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b07c9ebbe8d538c1e06d19ae43c4611fe81b480006c52a520045d463868f3264
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b07c9ebbe8d538c1e06d19ae43c4611fe81b480006c52a520045d463868f3264", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `union`
[INFO] [stdout]   --> src/game/bitset.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn union(&self, other: BitSet) -> BitSet {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "b07c9ebbe8d538c1e06d19ae43c4611fe81b480006c52a520045d463868f3264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07c9ebbe8d538c1e06d19ae43c4611fe81b480006c52a520045d463868f3264", kill_on_drop: false }`
[INFO] [stdout] b07c9ebbe8d538c1e06d19ae43c4611fe81b480006c52a520045d463868f3264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b526d58ec2627dc6f4e6ae2712adaee39dcee152991c2631672a9610f2b14b37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b526d58ec2627dc6f4e6ae2712adaee39dcee152991c2631672a9610f2b14b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "b526d58ec2627dc6f4e6ae2712adaee39dcee152991c2631672a9610f2b14b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b526d58ec2627dc6f4e6ae2712adaee39dcee152991c2631672a9610f2b14b37", kill_on_drop: false }`
[INFO] [stdout] b526d58ec2627dc6f4e6ae2712adaee39dcee152991c2631672a9610f2b14b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 450bd6994289eb2f6a66c49e7546ec7e9b0843ac3d883cc908b0d98c6c1a71b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "450bd6994289eb2f6a66c49e7546ec7e9b0843ac3d883cc908b0d98c6c1a71b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-37997b7162126a1e)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test game::tests::check_bad_board ... ok
[INFO] [stdout] test game::bitset::tests::test_iterating_alternating ... ok
[INFO] [stdout] test game::tests::check_iterators ... ok
[INFO] [stdout] test game::tests::check_equality ... ok
[INFO] [stdout] test game::tests::check_parse ... ok
[INFO] [stdout] test game::bitset::tests::test_intersect ... ok
[INFO] [stdout] test game::bitset::tests::test_singleton ... ok
[INFO] [stdout] test game::tests::check_solve_fails ... ok
[INFO] [stdout] test game::bitset::tests::test_has ... ok
[INFO] [stdout] test game::bitset::tests::test_foreach ... ok
[INFO] [stdout] test game::bitset::tests::test_count ... ok
[INFO] [stdout] test game::bitset::tests::test_empty ... ok
[INFO] [stdout] test game::bitset::tests::test_formatting ... ok
[INFO] [stdout] test game::bitset::tests::test_union ... ok
[INFO] [stdout] test game::tests::check_solve_super_easy ... ok
[INFO] [stdout] test game::tests::check_solve_super_hard ... ok
[INFO] [stdout] test game::tests::check_solve_hardest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "450bd6994289eb2f6a66c49e7546ec7e9b0843ac3d883cc908b0d98c6c1a71b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450bd6994289eb2f6a66c49e7546ec7e9b0843ac3d883cc908b0d98c6c1a71b3", kill_on_drop: false }`
[INFO] [stdout] 450bd6994289eb2f6a66c49e7546ec7e9b0843ac3d883cc908b0d98c6c1a71b3