[INFO] cloning repository https://github.com/wyhaya/ace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wyhaya/ace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhaya%2Face", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhaya%2Face'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b985fa0e4fc5479219eeb742f6151f3a509c8f0
[INFO] checking wyhaya/ace against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhaya%2Face" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wyhaya/ace on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wyhaya/ace
[INFO] finished tweaking git repo https://github.com/wyhaya/ace
[INFO] tweaked toml for git repo https://github.com/wyhaya/ace written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wyhaya/ace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6caacf2439271644404b56b9faaba2a83d8c87ddb37cfbb95ace2df565b83124
[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" "6caacf2439271644404b56b9faaba2a83d8c87ddb37cfbb95ace2df565b83124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6caacf2439271644404b56b9faaba2a83d8c87ddb37cfbb95ace2df565b83124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6caacf2439271644404b56b9faaba2a83d8c87ddb37cfbb95ace2df565b83124", kill_on_drop: false }`
[INFO] [stdout] 6caacf2439271644404b56b9faaba2a83d8c87ddb37cfbb95ace2df565b83124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 7e6b7344fb6ebe2dab2f2d72ac8a0f5f28e32ac9b28bce764f8bc24e5baa0f1f
[INFO] running `Command { std: "docker" "start" "-a" "7e6b7344fb6ebe2dab2f2d72ac8a0f5f28e32ac9b28bce764f8bc24e5baa0f1f", kill_on_drop: false }`
[INFO] [stderr]     Checking ace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "7e6b7344fb6ebe2dab2f2d72ac8a0f5f28e32ac9b28bce764f8bc24e5baa0f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6b7344fb6ebe2dab2f2d72ac8a0f5f28e32ac9b28bce764f8bc24e5baa0f1f", kill_on_drop: false }`
[INFO] [stdout] 7e6b7344fb6ebe2dab2f2d72ac8a0f5f28e32ac9b28bce764f8bc24e5baa0f1f