[INFO] fetching crate serialport 4.1.0...
[INFO] building serialport-4.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate serialport 4.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serialport 4.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serialport 4.1.0
[INFO] finished tweaking crates.io crate serialport 4.1.0
[INFO] tweaked toml for crates.io crate serialport 4.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate serialport 4.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 0a2f5a62ab04291bae08f58146c42e5d911dd2f650d4d7918a959b560462ee56
[INFO] running `Command { std: "docker" "start" "-a" "0a2f5a62ab04291bae08f58146c42e5d911dd2f650d4d7918a959b560462ee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a2f5a62ab04291bae08f58146c42e5d911dd2f650d4d7918a959b560462ee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2f5a62ab04291bae08f58146c42e5d911dd2f650d4d7918a959b560462ee56", kill_on_drop: false }`
[INFO] [stdout] 0a2f5a62ab04291bae08f58146c42e5d911dd2f650d4d7918a959b560462ee56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dced2c087b445442029e9125d08b63efe0aa2e2962ab2e0895ab4abc625e66df
[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" "dced2c087b445442029e9125d08b63efe0aa2e2962ab2e0895ab4abc625e66df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling serialport v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.79s
[INFO] running `Command { std: "docker" "inspect" "dced2c087b445442029e9125d08b63efe0aa2e2962ab2e0895ab4abc625e66df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dced2c087b445442029e9125d08b63efe0aa2e2962ab2e0895ab4abc625e66df", kill_on_drop: false }`
[INFO] [stdout] dced2c087b445442029e9125d08b63efe0aa2e2962ab2e0895ab4abc625e66df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8407c65476578221a1b97aa1f613938d2b0807acd6b7ff2644d970d0ade38ad6
[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" "8407c65476578221a1b97aa1f613938d2b0807acd6b7ff2644d970d0ade38ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling serialport v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "8407c65476578221a1b97aa1f613938d2b0807acd6b7ff2644d970d0ade38ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8407c65476578221a1b97aa1f613938d2b0807acd6b7ff2644d970d0ade38ad6", kill_on_drop: false }`
[INFO] [stdout] 8407c65476578221a1b97aa1f613938d2b0807acd6b7ff2644d970d0ade38ad6