[INFO] cloning repository https://github.com/dralley/sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dralley/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a89c12817a7b1a8c14875ba133f55fca3d7f536d
[INFO] testing dralley/sudoku-solver against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dralley/sudoku-solver on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dralley/sudoku-solver
[INFO] finished tweaking git repo https://github.com/dralley/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/dralley/sudoku-solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dralley/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c8b41f43aee3da1cddb3d1279fb60b08e36711de2c0a09155bd8bb1666442df
[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" "6c8b41f43aee3da1cddb3d1279fb60b08e36711de2c0a09155bd8bb1666442df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c8b41f43aee3da1cddb3d1279fb60b08e36711de2c0a09155bd8bb1666442df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8b41f43aee3da1cddb3d1279fb60b08e36711de2c0a09155bd8bb1666442df", kill_on_drop: false }`
[INFO] [stdout] 6c8b41f43aee3da1cddb3d1279fb60b08e36711de2c0a09155bd8bb1666442df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e51fa18a3b490bccce82e29ab0cdfe7d1a39a5ec932d6c111be1ea21696786
[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" "b2e51fa18a3b490bccce82e29ab0cdfe7d1a39a5ec932d6c111be1ea21696786", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling varisat-formula v0.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.98
[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 v0.2.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling sudoku v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.1
[INFO] [stderr]    Compiling partial_ref v0.3.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling varisat-dimacs v0.2.1
[INFO] [stderr]    Compiling varisat-internal-proof v0.2.1
[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]    Compiling varisat-checker v0.2.1
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.10s
[INFO] running `Command { std: "docker" "inspect" "b2e51fa18a3b490bccce82e29ab0cdfe7d1a39a5ec932d6c111be1ea21696786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e51fa18a3b490bccce82e29ab0cdfe7d1a39a5ec932d6c111be1ea21696786", kill_on_drop: false }`
[INFO] [stdout] b2e51fa18a3b490bccce82e29ab0cdfe7d1a39a5ec932d6c111be1ea21696786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d25ad9253ef48286c410356b5c7083fcd78d6a3606d28537e97202394bc68b
[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" "f7d25ad9253ef48286c410356b5c7083fcd78d6a3606d28537e97202394bc68b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "f7d25ad9253ef48286c410356b5c7083fcd78d6a3606d28537e97202394bc68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d25ad9253ef48286c410356b5c7083fcd78d6a3606d28537e97202394bc68b", kill_on_drop: false }`
[INFO] [stdout] f7d25ad9253ef48286c410356b5c7083fcd78d6a3606d28537e97202394bc68b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 531938c3f4e8af7b228932e827d3c6a936004491111a974d381c6efaf637372a
[INFO] running `Command { std: "docker" "start" "-a" "531938c3f4e8af7b228932e827d3c6a936004491111a974d381c6efaf637372a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-d6f19ccfd2632bda
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-cd4f3d563b49de6b
[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] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku_solver-f577767864e88c15
[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 1 test
[INFO] [stdout] test test_top95 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "531938c3f4e8af7b228932e827d3c6a936004491111a974d381c6efaf637372a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531938c3f4e8af7b228932e827d3c6a936004491111a974d381c6efaf637372a", kill_on_drop: false }`
[INFO] [stdout] 531938c3f4e8af7b228932e827d3c6a936004491111a974d381c6efaf637372a
