[INFO] cloning repository https://github.com/lights0123/async-avr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lights0123/async-avr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fasync-avr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fasync-avr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87720618e3d5c974afb26a81c3f6618cef5958c4
[INFO] checking lights0123/async-avr against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fasync-avr" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lights0123/async-avr on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lights0123/async-avr
[INFO] finished tweaking git repo https://github.com/lights0123/async-avr
[INFO] tweaked toml for git repo https://github.com/lights0123/async-avr written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lights0123/async-avr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 597d1de6c661a9f6778ce2ed579f993cec5036fbe60385532cacc6c4ea5486a9
[INFO] running `Command { std: "docker" "start" "-a" "597d1de6c661a9f6778ce2ed579f993cec5036fbe60385532cacc6c4ea5486a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "597d1de6c661a9f6778ce2ed579f993cec5036fbe60385532cacc6c4ea5486a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597d1de6c661a9f6778ce2ed579f993cec5036fbe60385532cacc6c4ea5486a9", kill_on_drop: false }`
[INFO] [stdout] 597d1de6c661a9f6778ce2ed579f993cec5036fbe60385532cacc6c4ea5486a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--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] 8339dfec744d5ae7fab1801b2d706fb9c2070688492a83744665fe15e0e3dfad
[INFO] running `Command { std: "docker" "start" "-a" "8339dfec744d5ae7fab1801b2d706fb9c2070688492a83744665fe15e0e3dfad", kill_on_drop: false }`
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "8339dfec744d5ae7fab1801b2d706fb9c2070688492a83744665fe15e0e3dfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8339dfec744d5ae7fab1801b2d706fb9c2070688492a83744665fe15e0e3dfad", kill_on_drop: false }`
[INFO] [stdout] 8339dfec744d5ae7fab1801b2d706fb9c2070688492a83744665fe15e0e3dfad