[INFO] updating cached repository https://github.com/tatsutron/connect-four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7964aeb9a6b9ca3992de3f4399e32530b0a037b
[INFO] checking tatsutron/connect-four against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftatsutron%2Fconnect-four" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tatsutron/connect-four on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tatsutron/connect-four
[INFO] finished tweaking git repo https://github.com/tatsutron/connect-four
[INFO] tweaked toml for git repo https://github.com/tatsutron/connect-four written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tatsutron/connect-four already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d56f8d59109826241cc64f99f0fba47651ee354ed037b592a0203df3e58202a8
[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" "d56f8d59109826241cc64f99f0fba47651ee354ed037b592a0203df3e58202a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d56f8d59109826241cc64f99f0fba47651ee354ed037b592a0203df3e58202a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56f8d59109826241cc64f99f0fba47651ee354ed037b592a0203df3e58202a8", kill_on_drop: false }`
[INFO] [stdout] d56f8d59109826241cc64f99f0fba47651ee354ed037b592a0203df3e58202a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1edd066b60e48b948f1b7f977dc274d00535c121152549de1a04ed2206978e
[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" "5c1edd066b60e48b948f1b7f977dc274d00535c121152549de1a04ed2206978e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking connect-four v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "5c1edd066b60e48b948f1b7f977dc274d00535c121152549de1a04ed2206978e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1edd066b60e48b948f1b7f977dc274d00535c121152549de1a04ed2206978e", kill_on_drop: false }`
[INFO] [stdout] 5c1edd066b60e48b948f1b7f977dc274d00535c121152549de1a04ed2206978e