[INFO] cloning repository https://github.com/jkilpatr/pinger-descriptor-exhaustion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkilpatr/pinger-descriptor-exhaustion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkilpatr%2Fpinger-descriptor-exhaustion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkilpatr%2Fpinger-descriptor-exhaustion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2471896b75e218dda8b1628ab0d53000ceb3d03b
[INFO] checking jkilpatr/pinger-descriptor-exhaustion against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkilpatr%2Fpinger-descriptor-exhaustion" "/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/jkilpatr/pinger-descriptor-exhaustion on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkilpatr/pinger-descriptor-exhaustion
[INFO] finished tweaking git repo https://github.com/jkilpatr/pinger-descriptor-exhaustion
[INFO] tweaked toml for git repo https://github.com/jkilpatr/pinger-descriptor-exhaustion written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jkilpatr/pinger-descriptor-exhaustion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0ed15e2db3e96fcce795951ad8332f0f4b41b56fc586cd904bd1e98a5a7dbc9
[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" "c0ed15e2db3e96fcce795951ad8332f0f4b41b56fc586cd904bd1e98a5a7dbc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ed15e2db3e96fcce795951ad8332f0f4b41b56fc586cd904bd1e98a5a7dbc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ed15e2db3e96fcce795951ad8332f0f4b41b56fc586cd904bd1e98a5a7dbc9", kill_on_drop: false }`
[INFO] [stdout] c0ed15e2db3e96fcce795951ad8332f0f4b41b56fc586cd904bd1e98a5a7dbc9
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 771993f62af0c744041cf1e547dcc0794172f79b2c2fb7180f9c7ef9ae1f677e
[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" "771993f62af0c744041cf1e547dcc0794172f79b2c2fb7180f9c7ef9ae1f677e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling pnet v0.23.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking pnet_sys v0.25.0
[INFO] [stderr]     Checking pnet_sys v0.23.1
[INFO] [stderr]     Checking pnet_macros_support v0.23.1
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking pnet_datalink v0.23.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.25.0
[INFO] [stderr]    Compiling pnet_packet v0.23.1
[INFO] [stderr]     Checking pnet_transport v0.23.1
[INFO] [stderr]     Checking fastping-rs v0.1.5
[INFO] [stderr]     Checking pinger-descriptor-exhaustion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "771993f62af0c744041cf1e547dcc0794172f79b2c2fb7180f9c7ef9ae1f677e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771993f62af0c744041cf1e547dcc0794172f79b2c2fb7180f9c7ef9ae1f677e", kill_on_drop: false }`
[INFO] [stdout] 771993f62af0c744041cf1e547dcc0794172f79b2c2fb7180f9c7ef9ae1f677e