[INFO] cloning repository https://github.com/hallettj/sat-solver-exercise
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hallettj/sat-solver-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhallettj%2Fsat-solver-exercise"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhallettj%2Fsat-solver-exercise'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79e8b29506f5a0352c3d422d86ccd13fae13948a
[INFO] testing hallettj/sat-solver-exercise against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhallettj%2Fsat-solver-exercise" "/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/hallettj/sat-solver-exercise on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hallettj/sat-solver-exercise
[INFO] finished tweaking git repo https://github.com/hallettj/sat-solver-exercise
[INFO] tweaked toml for git repo https://github.com/hallettj/sat-solver-exercise written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hallettj/sat-solver-exercise already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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" "+beta-2020-06-03" "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] 137b413a0bd1a84c5bbe3aec3151f0e69aaeea4ef974a7ab30c5b1609ce81a47
[INFO] running `"docker" "start" "-a" "137b413a0bd1a84c5bbe3aec3151f0e69aaeea4ef974a7ab30c5b1609ce81a47"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling varisat-formula v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling vec_mut_scan v0.1.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling partial_ref v0.3.1
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling varisat-internal-proof v0.2.1
[INFO] [stderr]    Compiling varisat-dimacs v0.2.1
[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]    Compiling varisat-checker v0.2.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.66s
[INFO] running `"docker" "inspect" "137b413a0bd1a84c5bbe3aec3151f0e69aaeea4ef974a7ab30c5b1609ce81a47"`
[INFO] running `"docker" "rm" "-f" "137b413a0bd1a84c5bbe3aec3151f0e69aaeea4ef974a7ab30c5b1609ce81a47"`
[INFO] [stdout] 137b413a0bd1a84c5bbe3aec3151f0e69aaeea4ef974a7ab30c5b1609ce81a47
[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=warn" "-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" "+beta-2020-06-03" "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] bfec93feef89f7ce9220375c66a2a10cc5f33ae86b4f86159c985ae20ac57c9c
[INFO] running `"docker" "start" "-a" "bfec93feef89f7ce9220375c66a2a10cc5f33ae86b4f86159c985ae20ac57c9c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `"docker" "inspect" "bfec93feef89f7ce9220375c66a2a10cc5f33ae86b4f86159c985ae20ac57c9c"`
[INFO] running `"docker" "rm" "-f" "bfec93feef89f7ce9220375c66a2a10cc5f33ae86b4f86159c985ae20ac57c9c"`
[INFO] [stdout] bfec93feef89f7ce9220375c66a2a10cc5f33ae86b4f86159c985ae20ac57c9c
[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=warn" "-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" "+beta-2020-06-03" "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] 662b1aa440c23d6a312e5f841e60cab2cf174e56328508417318fcadeabe17cd
[INFO] running `"docker" "start" "-a" "662b1aa440c23d6a312e5f841e60cab2cf174e56328508417318fcadeabe17cd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku-6f2a2634a5f14a57
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test position::tests::it_assigns_unique_literal_to_each_puzzle_position ... ok
[INFO] [stdout] test solver::tests::it_requires_exactly_one_true_literal ... ok
[INFO] [stdout] test puzzle::tests::it_parses_and_draws_a_puzzle ... ok
[INFO] [stdout] test puzzle::tests::it_produces_a_model_representing_filled_cells ... ok
[INFO] [stdout] test solver::tests::it_solves_a_puzzle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "662b1aa440c23d6a312e5f841e60cab2cf174e56328508417318fcadeabe17cd"`
[INFO] running `"docker" "rm" "-f" "662b1aa440c23d6a312e5f841e60cab2cf174e56328508417318fcadeabe17cd"`
[INFO] [stdout] 662b1aa440c23d6a312e5f841e60cab2cf174e56328508417318fcadeabe17cd