[INFO] cloning repository https://github.com/chrisccerami/rust-connect-four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisccerami/rust-connect-four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisccerami%2Frust-connect-four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisccerami%2Frust-connect-four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01832d31f30819448083c490125f969425954261
[INFO] checking chrisccerami/rust-connect-four against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisccerami%2Frust-connect-four" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisccerami/rust-connect-four on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisccerami/rust-connect-four
[INFO] finished tweaking git repo https://github.com/chrisccerami/rust-connect-four
[INFO] tweaked toml for git repo https://github.com/chrisccerami/rust-connect-four written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisccerami/rust-connect-four already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", 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] 1e792b2546a2ee1c6634aa399c06e093fa3b574b8c7debc9bf0b14524e4787bc
[INFO] running `Command { std: "docker" "start" "-a" "1e792b2546a2ee1c6634aa399c06e093fa3b574b8c7debc9bf0b14524e4787bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e792b2546a2ee1c6634aa399c06e093fa3b574b8c7debc9bf0b14524e4787bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e792b2546a2ee1c6634aa399c06e093fa3b574b8c7debc9bf0b14524e4787bc", kill_on_drop: false }`
[INFO] [stdout] 1e792b2546a2ee1c6634aa399c06e093fa3b574b8c7debc9bf0b14524e4787bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e4fa668c9a4576dc05c73ec2a482f2a6c1f4804b94df2125db1f88f0c66058ff
[INFO] running `Command { std: "docker" "start" "-a" "e4fa668c9a4576dc05c73ec2a482f2a6c1f4804b94df2125db1f88f0c66058ff", kill_on_drop: false }`
[INFO] [stderr]     Checking connect-four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "e4fa668c9a4576dc05c73ec2a482f2a6c1f4804b94df2125db1f88f0c66058ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fa668c9a4576dc05c73ec2a482f2a6c1f4804b94df2125db1f88f0c66058ff", kill_on_drop: false }`
[INFO] [stdout] e4fa668c9a4576dc05c73ec2a482f2a6c1f4804b94df2125db1f88f0c66058ff