[INFO] fetching crate multicast-socket 0.2.1...
[INFO] checking multicast-socket-0.2.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate multicast-socket 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate multicast-socket 0.2.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multicast-socket 0.2.1
[INFO] finished tweaking crates.io crate multicast-socket 0.2.1
[INFO] tweaked toml for crates.io crate multicast-socket 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate multicast-socket 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b870e84beeff1a7ea7c957a5680f4ef0cbbdfd928b59b66d33f399f357e6bac6
[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" "b870e84beeff1a7ea7c957a5680f4ef0cbbdfd928b59b66d33f399f357e6bac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b870e84beeff1a7ea7c957a5680f4ef0cbbdfd928b59b66d33f399f357e6bac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b870e84beeff1a7ea7c957a5680f4ef0cbbdfd928b59b66d33f399f357e6bac6", kill_on_drop: false }`
[INFO] [stdout] b870e84beeff1a7ea7c957a5680f4ef0cbbdfd928b59b66d33f399f357e6bac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] febb5de3b70c70260e0e9da07fcc4c662d44bcc7e47d6eb82fa0977b38fe0c12
[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" "febb5de3b70c70260e0e9da07fcc4c662d44bcc7e47d6eb82fa0977b38fe0c12", kill_on_drop: false }`
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking multicast-socket v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "febb5de3b70c70260e0e9da07fcc4c662d44bcc7e47d6eb82fa0977b38fe0c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "febb5de3b70c70260e0e9da07fcc4c662d44bcc7e47d6eb82fa0977b38fe0c12", kill_on_drop: false }`
[INFO] [stdout] febb5de3b70c70260e0e9da07fcc4c662d44bcc7e47d6eb82fa0977b38fe0c12