[INFO] cloning repository https://github.com/16Yongjin/greprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/16Yongjin/greprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F16Yongjin%2Fgreprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F16Yongjin%2Fgreprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0334a3a8cac0bf2fc3a0b3c2f8b01c9bdad2050e
[INFO] checking 16Yongjin/greprs against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F16Yongjin%2Fgreprs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/16Yongjin/greprs 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/16Yongjin/greprs
[INFO] finished tweaking git repo https://github.com/16Yongjin/greprs
[INFO] tweaked toml for git repo https://github.com/16Yongjin/greprs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/16Yongjin/greprs 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] c23b6d7141a58d1d8870fc1dd81d2adb39f65c9f10264e39bd20f22ca1ea846e
[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" "c23b6d7141a58d1d8870fc1dd81d2adb39f65c9f10264e39bd20f22ca1ea846e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23b6d7141a58d1d8870fc1dd81d2adb39f65c9f10264e39bd20f22ca1ea846e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23b6d7141a58d1d8870fc1dd81d2adb39f65c9f10264e39bd20f22ca1ea846e", kill_on_drop: false }`
[INFO] [stdout] c23b6d7141a58d1d8870fc1dd81d2adb39f65c9f10264e39bd20f22ca1ea846e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 09a1cb933f1f788ac0099ea4508e9bcb65f59e1a608bb5cf8004b0c880bda053
[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" "09a1cb933f1f788ac0099ea4508e9bcb65f59e1a608bb5cf8004b0c880bda053", kill_on_drop: false }`
[INFO] [stderr]     Checking greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "09a1cb933f1f788ac0099ea4508e9bcb65f59e1a608bb5cf8004b0c880bda053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a1cb933f1f788ac0099ea4508e9bcb65f59e1a608bb5cf8004b0c880bda053", kill_on_drop: false }`
[INFO] [stdout] 09a1cb933f1f788ac0099ea4508e9bcb65f59e1a608bb5cf8004b0c880bda053