[INFO] fetching crate flowutils 0.1.0...
[INFO] checking flowutils-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate flowutils 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate flowutils 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowutils 0.1.0
[INFO] finished tweaking crates.io crate flowutils 0.1.0
[INFO] tweaked toml for crates.io crate flowutils 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate flowutils 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c49d51a824b110a64efb2b09d5e8f6231ec7997251c51805bae5305c5a26d196
[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" "c49d51a824b110a64efb2b09d5e8f6231ec7997251c51805bae5305c5a26d196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49d51a824b110a64efb2b09d5e8f6231ec7997251c51805bae5305c5a26d196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49d51a824b110a64efb2b09d5e8f6231ec7997251c51805bae5305c5a26d196", kill_on_drop: false }`
[INFO] [stdout] c49d51a824b110a64efb2b09d5e8f6231ec7997251c51805bae5305c5a26d196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947925c2a6f7338961734b7c112616d32c1201079c6983d667cfcb83769da9fd
[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" "947925c2a6f7338961734b7c112616d32c1201079c6983d667cfcb83769da9fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]     Checking flowutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.21s
[INFO] running `Command { std: "docker" "inspect" "947925c2a6f7338961734b7c112616d32c1201079c6983d667cfcb83769da9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947925c2a6f7338961734b7c112616d32c1201079c6983d667cfcb83769da9fd", kill_on_drop: false }`
[INFO] [stdout] 947925c2a6f7338961734b7c112616d32c1201079c6983d667cfcb83769da9fd
