[INFO] cloning repository https://github.com/pariahGH/distributed_network_tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pariahGH/distributed_network_tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpariahGH%2Fdistributed_network_tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpariahGH%2Fdistributed_network_tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd032d4751e0e31c78492b2e52683f649d80ab07
[INFO] checking pariahGH/distributed_network_tester against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpariahGH%2Fdistributed_network_tester" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pariahGH/distributed_network_tester on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pariahGH/distributed_network_tester
[INFO] finished tweaking git repo https://github.com/pariahGH/distributed_network_tester
[INFO] tweaked toml for git repo https://github.com/pariahGH/distributed_network_tester written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pariahGH/distributed_network_tester already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/vorner/signal-hook`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.6
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.0
[INFO] [stderr]   Downloaded num_cpus v1.9.0
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded smallvec v0.6.7
[INFO] [stderr]   Downloaded crossbeam v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", 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] 962fb2b0e7a1f1743caec0389dcebb535d95ef5a1439b82d80152e342bbc731c
[INFO] running `Command { std: "docker" "start" "-a" "962fb2b0e7a1f1743caec0389dcebb535d95ef5a1439b82d80152e342bbc731c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "962fb2b0e7a1f1743caec0389dcebb535d95ef5a1439b82d80152e342bbc731c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962fb2b0e7a1f1743caec0389dcebb535d95ef5a1439b82d80152e342bbc731c", kill_on_drop: false }`
[INFO] [stdout] 962fb2b0e7a1f1743caec0389dcebb535d95ef5a1439b82d80152e342bbc731c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5303bdbf910ed7725bf777a01a15446b8024772fbf1218e9d3cd19482a5fb450
[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" "5303bdbf910ed7725bf777a01a15446b8024772fbf1218e9d3cd19482a5fb450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking signal-hook v0.1.7 (https://github.com/vorner/signal-hook#102a6f69)
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `Command { std: "docker" "inspect" "5303bdbf910ed7725bf777a01a15446b8024772fbf1218e9d3cd19482a5fb450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5303bdbf910ed7725bf777a01a15446b8024772fbf1218e9d3cd19482a5fb450", kill_on_drop: false }`
[INFO] [stdout] 5303bdbf910ed7725bf777a01a15446b8024772fbf1218e9d3cd19482a5fb450