[INFO] cloning repository https://github.com/Yamakaky/dcpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yamakaky/dcpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYamakaky%2Fdcpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYamakaky%2Fdcpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a2e26f9867a3bd0509eddfb2aaec3fba153e3ce
[INFO] testing Yamakaky/dcpu against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYamakaky%2Fdcpu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yamakaky/dcpu on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yamakaky/dcpu
[INFO] finished tweaking git repo https://github.com/Yamakaky/dcpu
[INFO] tweaked toml for git repo https://github.com/Yamakaky/dcpu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Yamakaky/dcpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Yamakaky/tokio-length-prefix`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.4.0
[INFO] [stderr]   Downloaded cargo_metadata v0.1.1
[INFO] [stderr]   Downloaded clippy v0.0.113
[INFO] [stderr]   Downloaded clippy_lints v0.0.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c7b42c8493b95030ab013ee762403e53af365fe6b9b6b8ee1187df58d9eb0b
[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" "01c7b42c8493b95030ab013ee762403e53af365fe6b9b6b8ee1187df58d9eb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c7b42c8493b95030ab013ee762403e53af365fe6b9b6b8ee1187df58d9eb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c7b42c8493b95030ab013ee762403e53af365fe6b9b6b8ee1187df58d9eb0b", kill_on_drop: false }`
[INFO] [stdout] 01c7b42c8493b95030ab013ee762403e53af365fe6b9b6b8ee1187df58d9eb0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--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] 92c4af66cca33fb8bc0c0ac39b4b0509b141d39f6868c0f5e33dfa6c0cc36636
[INFO] running `Command { std: "docker" "start" "-a" "92c4af66cca33fb8bc0c0ac39b4b0509b141d39f6868c0f5e33dfa6c0cc36636", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "92c4af66cca33fb8bc0c0ac39b4b0509b141d39f6868c0f5e33dfa6c0cc36636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c4af66cca33fb8bc0c0ac39b4b0509b141d39f6868c0f5e33dfa6c0cc36636", kill_on_drop: false }`
[INFO] [stdout] 92c4af66cca33fb8bc0c0ac39b4b0509b141d39f6868c0f5e33dfa6c0cc36636