[INFO] cloning repository https://github.com/jcdyer/sudoku [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcdyer/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fsudoku"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fsudoku'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] be30f1cb5543c8bebb74738c07e27e66872862dd [INFO] testing jcdyer/sudoku against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fsudoku" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jcdyer/sudoku on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jcdyer/sudoku [INFO] finished tweaking git repo https://github.com/jcdyer/sudoku [INFO] tweaked toml for git repo https://github.com/jcdyer/sudoku written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jcdyer/sudoku already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] ea0fb4ea94a811b090740834902e128cddfc6cc78c2118417f53345a2773cf7f [INFO] running `"docker" "start" "-a" "ea0fb4ea94a811b090740834902e128cddfc6cc78c2118417f53345a2773cf7f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `"docker" "inspect" "ea0fb4ea94a811b090740834902e128cddfc6cc78c2118417f53345a2773cf7f"` [INFO] running `"docker" "rm" "-f" "ea0fb4ea94a811b090740834902e128cddfc6cc78c2118417f53345a2773cf7f"` [INFO] [stdout] ea0fb4ea94a811b090740834902e128cddfc6cc78c2118417f53345a2773cf7f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 597ca688632f9b7764ceee32e33e83e0f959bd719070c050a2231d30ab287b5a [INFO] running `"docker" "start" "-a" "597ca688632f9b7764ceee32e33e83e0f959bd719070c050a2231d30ab287b5a"` [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 2.06s [INFO] running `"docker" "inspect" "597ca688632f9b7764ceee32e33e83e0f959bd719070c050a2231d30ab287b5a"` [INFO] running `"docker" "rm" "-f" "597ca688632f9b7764ceee32e33e83e0f959bd719070c050a2231d30ab287b5a"` [INFO] [stdout] 597ca688632f9b7764ceee32e33e83e0f959bd719070c050a2231d30ab287b5a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] fb3ade790fe5c4d1da1f004f6d90221c829403338278ddd4bd329a403f03d54b [INFO] running `"docker" "start" "-a" "fb3ade790fe5c4d1da1f004f6d90221c829403338278ddd4bd329a403f03d54b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sudoku-a7b06584d33e6e28 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_next_with_constrained_block ... ok [INFO] [stdout] test tests::test_next ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "fb3ade790fe5c4d1da1f004f6d90221c829403338278ddd4bd329a403f03d54b"` [INFO] running `"docker" "rm" "-f" "fb3ade790fe5c4d1da1f004f6d90221c829403338278ddd4bd329a403f03d54b"` [INFO] [stdout] fb3ade790fe5c4d1da1f004f6d90221c829403338278ddd4bd329a403f03d54b