[INFO] fetching crate rping 0.1.5...
[INFO] checking rping-0.1.5 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate rping 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rping 0.1.5 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rping 0.1.5
[INFO] finished tweaking crates.io crate rping 0.1.5
[INFO] tweaked toml for crates.io crate rping 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rping 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d0369ede49257f0d935df5dc12380db0b52af2451107be36f3ac0f0980fe0e4
[INFO] running `Command { std: "docker" "start" "-a" "6d0369ede49257f0d935df5dc12380db0b52af2451107be36f3ac0f0980fe0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0369ede49257f0d935df5dc12380db0b52af2451107be36f3ac0f0980fe0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0369ede49257f0d935df5dc12380db0b52af2451107be36f3ac0f0980fe0e4", kill_on_drop: false }`
[INFO] [stdout] 6d0369ede49257f0d935df5dc12380db0b52af2451107be36f3ac0f0980fe0e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7384901655b0c23c96ba3b339854db677a53ae302d65697e162654cea0f8d5e4
[INFO] running `Command { std: "docker" "start" "-a" "7384901655b0c23c96ba3b339854db677a53ae302d65697e162654cea0f8d5e4", kill_on_drop: false }`
[INFO] [stderr]     Checking rping v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "7384901655b0c23c96ba3b339854db677a53ae302d65697e162654cea0f8d5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7384901655b0c23c96ba3b339854db677a53ae302d65697e162654cea0f8d5e4", kill_on_drop: false }`
[INFO] [stdout] 7384901655b0c23c96ba3b339854db677a53ae302d65697e162654cea0f8d5e4