[INFO] cloning repository https://github.com/ejaszewski/cfping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ejaszewski/cfping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejaszewski%2Fcfping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejaszewski%2Fcfping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88be732d9e36644d358bc20fc719d71eb9823226
[INFO] checking ejaszewski/cfping against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fejaszewski%2Fcfping" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ejaszewski/cfping on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ejaszewski/cfping
[INFO] finished tweaking git repo https://github.com/ejaszewski/cfping
[INFO] tweaked toml for git repo https://github.com/ejaszewski/cfping written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ejaszewski/cfping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e59cbe95fd8e8dfaffb9a40cbb3042ee64c670a43d2ba436757d7a4aed1e6d0b
[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" "e59cbe95fd8e8dfaffb9a40cbb3042ee64c670a43d2ba436757d7a4aed1e6d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e59cbe95fd8e8dfaffb9a40cbb3042ee64c670a43d2ba436757d7a4aed1e6d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59cbe95fd8e8dfaffb9a40cbb3042ee64c670a43d2ba436757d7a4aed1e6d0b", kill_on_drop: false }`
[INFO] [stdout] e59cbe95fd8e8dfaffb9a40cbb3042ee64c670a43d2ba436757d7a4aed1e6d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] c59c75f276bd146bf0a40078d220e4b772b22a704f50458834ed031fda3bb324
[INFO] running `Command { std: "docker" "start" "-a" "c59c75f276bd146bf0a40078d220e4b772b22a704f50458834ed031fda3bb324", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling pnet v0.23.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking pnet_macros_support v0.23.1
[INFO] [stderr]     Checking pnet_sys v0.23.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dns-lookup v1.0.1
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]     Checking pnet_datalink v0.23.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.25.0
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]    Compiling pnet_packet v0.23.1
[INFO] [stderr]     Checking pnet_transport v0.23.1
[INFO] [stderr]     Checking cfping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "c59c75f276bd146bf0a40078d220e4b772b22a704f50458834ed031fda3bb324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59c75f276bd146bf0a40078d220e4b772b22a704f50458834ed031fda3bb324", kill_on_drop: false }`
[INFO] [stdout] c59c75f276bd146bf0a40078d220e4b772b22a704f50458834ed031fda3bb324