[INFO] cloning repository https://github.com/kostas-vl/black-belt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kostas-vl/black-belt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkostas-vl%2Fblack-belt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkostas-vl%2Fblack-belt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbe4c5595dd71ef3b3a4e38a9583b04607558da6
[INFO] checking kostas-vl/black-belt against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkostas-vl%2Fblack-belt" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kostas-vl/black-belt on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kostas-vl/black-belt
[INFO] finished tweaking git repo https://github.com/kostas-vl/black-belt
[INFO] tweaked toml for git repo https://github.com/kostas-vl/black-belt written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kostas-vl/black-belt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b7f78eb6fe30ec69e65bc9ecd596859f56dbc91cbf6f9fdb474dc682a822fe
[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" "f1b7f78eb6fe30ec69e65bc9ecd596859f56dbc91cbf6f9fdb474dc682a822fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b7f78eb6fe30ec69e65bc9ecd596859f56dbc91cbf6f9fdb474dc682a822fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b7f78eb6fe30ec69e65bc9ecd596859f56dbc91cbf6f9fdb474dc682a822fe", kill_on_drop: false }`
[INFO] [stdout] f1b7f78eb6fe30ec69e65bc9ecd596859f56dbc91cbf6f9fdb474dc682a822fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d82962c4a52ea892d9f1d9a16aab7ef1a6dfdd5b41e4366dda9c9a2fd9aa3d
[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" "c0d82962c4a52ea892d9f1d9a16aab7ef1a6dfdd5b41e4366dda9c9a2fd9aa3d", kill_on_drop: false }`
[INFO] [stderr]     Checking pnet_sys v0.25.0
[INFO] [stderr]     Checking black-belt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "c0d82962c4a52ea892d9f1d9a16aab7ef1a6dfdd5b41e4366dda9c9a2fd9aa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d82962c4a52ea892d9f1d9a16aab7ef1a6dfdd5b41e4366dda9c9a2fd9aa3d", kill_on_drop: false }`
[INFO] [stdout] c0d82962c4a52ea892d9f1d9a16aab7ef1a6dfdd5b41e4366dda9c9a2fd9aa3d