[INFO] fetching crate snet 0.2.0...
[INFO] checking snet-0.2.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate snet 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate snet 0.2.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snet 0.2.0
[INFO] finished tweaking crates.io crate snet 0.2.0
[INFO] tweaked toml for crates.io crate snet 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 089a9452fd7d3e713aa5228873bf8e437835e43de5b54c3ab12d2eaaad74ca3f
[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" "089a9452fd7d3e713aa5228873bf8e437835e43de5b54c3ab12d2eaaad74ca3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "089a9452fd7d3e713aa5228873bf8e437835e43de5b54c3ab12d2eaaad74ca3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089a9452fd7d3e713aa5228873bf8e437835e43de5b54c3ab12d2eaaad74ca3f", kill_on_drop: false }`
[INFO] [stdout] 089a9452fd7d3e713aa5228873bf8e437835e43de5b54c3ab12d2eaaad74ca3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef2a7244444da1c979fc4d23956888a5bfd71f4404e8b14cd0887c69c9720da
[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" "aef2a7244444da1c979fc4d23956888a5bfd71f4404e8b14cd0887c69c9720da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bus v2.2.3
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking snet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `Command { std: "docker" "inspect" "aef2a7244444da1c979fc4d23956888a5bfd71f4404e8b14cd0887c69c9720da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef2a7244444da1c979fc4d23956888a5bfd71f4404e8b14cd0887c69c9720da", kill_on_drop: false }`
[INFO] [stdout] aef2a7244444da1c979fc4d23956888a5bfd71f4404e8b14cd0887c69c9720da