[INFO] fetching crate connect_four 0.1.8...
[INFO] testing connect_four-0.1.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate connect_four 0.1.8 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate connect_four 0.1.8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connect_four 0.1.8
[INFO] finished tweaking crates.io crate connect_four 0.1.8
[INFO] tweaked toml for crates.io crate connect_four 0.1.8 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate connect_four 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bea2a86eee7aebcc1c00af95d2b5580aaefc5a16e8ff5c421160d0139ec4772
[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" "0bea2a86eee7aebcc1c00af95d2b5580aaefc5a16e8ff5c421160d0139ec4772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bea2a86eee7aebcc1c00af95d2b5580aaefc5a16e8ff5c421160d0139ec4772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bea2a86eee7aebcc1c00af95d2b5580aaefc5a16e8ff5c421160d0139ec4772", kill_on_drop: false }`
[INFO] [stdout] 0bea2a86eee7aebcc1c00af95d2b5580aaefc5a16e8ff5c421160d0139ec4772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1d50616a6f01f7040b332dc238a2c15afed89f314c089f2d0598003c719dfa2
[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" "b1d50616a6f01f7040b332dc238a2c15afed89f314c089f2d0598003c719dfa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling mio v0.7.5
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossterm v0.18.2
[INFO] [stderr]    Compiling connect_four v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.49s
[INFO] running `Command { std: "docker" "inspect" "b1d50616a6f01f7040b332dc238a2c15afed89f314c089f2d0598003c719dfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d50616a6f01f7040b332dc238a2c15afed89f314c089f2d0598003c719dfa2", kill_on_drop: false }`
[INFO] [stdout] b1d50616a6f01f7040b332dc238a2c15afed89f314c089f2d0598003c719dfa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da270e8d1c3787cabf63e05efef5afef10adc4dc2f0c608f30fa6734d10cbaa8
[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" "da270e8d1c3787cabf63e05efef5afef10adc4dc2f0c608f30fa6734d10cbaa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect_four v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "da270e8d1c3787cabf63e05efef5afef10adc4dc2f0c608f30fa6734d10cbaa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da270e8d1c3787cabf63e05efef5afef10adc4dc2f0c608f30fa6734d10cbaa8", kill_on_drop: false }`
[INFO] [stdout] da270e8d1c3787cabf63e05efef5afef10adc4dc2f0c608f30fa6734d10cbaa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12b52b5656fd593dd9f115745f50042abaface8bdb227fd2cbbf61203145603e
[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" "12b52b5656fd593dd9f115745f50042abaface8bdb227fd2cbbf61203145603e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect_four-71ca64ad3b8032d6
[INFO] [stdout] test tests::test_wins::test_down ... ok
[INFO] [stdout] test tests::test_wins::test_left_up_diag ... ok
[INFO] [stdout] test tests::test_wins::test_right ... ok
[INFO] [stdout] test tests::test_new::test_new ... ok
[INFO] [stdout] test tests::test_wins::test_left_down_diag ... ok
[INFO] [stdout] test tests::test_wins::test_check_arr ... ok
[INFO] [stdout] test tests::test_slot_change::test_slot_change ... ok
[INFO] [stdout] test tests::test_wins::test_left ... ok
[INFO] [stdout] test tests::test_wins::test_right_up_diag ... ok
[INFO] [stdout] test tests::test_wins::test_right_down_diag ... ok
[INFO] [stdout] test tests::test_wins::test_vert ... ok
[INFO] [stdout] test tests::test_display::test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12b52b5656fd593dd9f115745f50042abaface8bdb227fd2cbbf61203145603e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b52b5656fd593dd9f115745f50042abaface8bdb227fd2cbbf61203145603e", kill_on_drop: false }`
[INFO] [stdout] 12b52b5656fd593dd9f115745f50042abaface8bdb227fd2cbbf61203145603e