[INFO] fetching crate flowutils 0.1.0...
[INFO] checking flowutils-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate flowutils 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flowutils 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 742faf9cb2b394891fb174d093d5f1e0fee4f4a19b8e8433ba049557c5096a66
[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" "742faf9cb2b394891fb174d093d5f1e0fee4f4a19b8e8433ba049557c5096a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742faf9cb2b394891fb174d093d5f1e0fee4f4a19b8e8433ba049557c5096a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742faf9cb2b394891fb174d093d5f1e0fee4f4a19b8e8433ba049557c5096a66", kill_on_drop: false }`
[INFO] [stdout] 742faf9cb2b394891fb174d093d5f1e0fee4f4a19b8e8433ba049557c5096a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d7be59052bc9c9a684ced1ffaeb315cdd33afe860246791610820cd28ab1cf8
[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" "0d7be59052bc9c9a684ced1ffaeb315cdd33afe860246791610820cd28ab1cf8", 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 unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[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 12.46s
[INFO] running `Command { std: "docker" "inspect" "0d7be59052bc9c9a684ced1ffaeb315cdd33afe860246791610820cd28ab1cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7be59052bc9c9a684ced1ffaeb315cdd33afe860246791610820cd28ab1cf8", kill_on_drop: false }`
[INFO] [stdout] 0d7be59052bc9c9a684ced1ffaeb315cdd33afe860246791610820cd28ab1cf8