[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#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpariahGH%2Fdistributed_network_tester" "/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/pariahGH/distributed_network_tester on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-8/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/vorner/signal-hook`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90f83df6fc73a7de4a4a20f39685b9a877a9258e01582a028b9c0b41d385d7ae
[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" "90f83df6fc73a7de4a4a20f39685b9a877a9258e01582a028b9c0b41d385d7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90f83df6fc73a7de4a4a20f39685b9a877a9258e01582a028b9c0b41d385d7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f83df6fc73a7de4a4a20f39685b9a877a9258e01582a028b9c0b41d385d7ae", kill_on_drop: false }`
[INFO] [stdout] 90f83df6fc73a7de4a4a20f39685b9a877a9258e01582a028b9c0b41d385d7ae
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 204e6eb2e695a4f15ac38494878b46fe8cada20f98c49862ec05e747a7607e45
[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" "204e6eb2e695a4f15ac38494878b46fe8cada20f98c49862ec05e747a7607e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[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 crossbeam-deque v0.6.3
[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 12.69s
[INFO] running `Command { std: "docker" "inspect" "204e6eb2e695a4f15ac38494878b46fe8cada20f98c49862ec05e747a7607e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204e6eb2e695a4f15ac38494878b46fe8cada20f98c49862ec05e747a7607e45", kill_on_drop: false }`
[INFO] [stdout] 204e6eb2e695a4f15ac38494878b46fe8cada20f98c49862ec05e747a7607e45