[INFO] cloning repository https://github.com/Isolated-/rust-serialcomm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Isolated-/rust-serialcomm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsolated-%2Frust-serialcomm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsolated-%2Frust-serialcomm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe124fc384e7c83fe29ed7ac81ba214455133475
[INFO] checking Isolated-/rust-serialcomm against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsolated-%2Frust-serialcomm" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Isolated-/rust-serialcomm on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Isolated-/rust-serialcomm
[INFO] finished tweaking git repo https://github.com/Isolated-/rust-serialcomm
[INFO] tweaked toml for git repo https://github.com/Isolated-/rust-serialcomm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Isolated-/rust-serialcomm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f22a219aa70f411426aaa84d2763a4a7a127a699e8b053ba275e68ba67c51bd1
[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" "f22a219aa70f411426aaa84d2763a4a7a127a699e8b053ba275e68ba67c51bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f22a219aa70f411426aaa84d2763a4a7a127a699e8b053ba275e68ba67c51bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22a219aa70f411426aaa84d2763a4a7a127a699e8b053ba275e68ba67c51bd1", kill_on_drop: false }`
[INFO] [stdout] f22a219aa70f411426aaa84d2763a4a7a127a699e8b053ba275e68ba67c51bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] ceca9954fa8624fbb5f0d22928e69c92fa5ee1ce4890c6e3e526d9423c0adc29
[INFO] running `Command { std: "docker" "start" "-a" "ceca9954fa8624fbb5f0d22928e69c92fa5ee1ce4890c6e3e526d9423c0adc29", kill_on_drop: false }`
[INFO] [stderr]     Checking serialcomm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ceca9954fa8624fbb5f0d22928e69c92fa5ee1ce4890c6e3e526d9423c0adc29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceca9954fa8624fbb5f0d22928e69c92fa5ee1ce4890c6e3e526d9423c0adc29", kill_on_drop: false }`
[INFO] [stdout] ceca9954fa8624fbb5f0d22928e69c92fa5ee1ce4890c6e3e526d9423c0adc29