[INFO] fetching crate tokio-tun 0.3.8...
[INFO] checking tokio-tun-0.3.8 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate tokio-tun 0.3.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tokio-tun 0.3.8 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-tun 0.3.8
[INFO] finished tweaking crates.io crate tokio-tun 0.3.8
[INFO] tweaked toml for crates.io crate tokio-tun 0.3.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate tokio-tun 0.3.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abab37a1b7256ab8d02c38215cbeb4e76319ec0a08913eff6c74bc708385edff
[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" "abab37a1b7256ab8d02c38215cbeb4e76319ec0a08913eff6c74bc708385edff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abab37a1b7256ab8d02c38215cbeb4e76319ec0a08913eff6c74bc708385edff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abab37a1b7256ab8d02c38215cbeb4e76319ec0a08913eff6c74bc708385edff", kill_on_drop: false }`
[INFO] [stdout] abab37a1b7256ab8d02c38215cbeb4e76319ec0a08913eff6c74bc708385edff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb56fcdadd159a7833bf80f802826e5657847b24a5c9d1609aea3da02847b785
[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" "fb56fcdadd159a7833bf80f802826e5657847b24a5c9d1609aea3da02847b785", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking libc v0.2.88
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-tun v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.85s
[INFO] running `Command { std: "docker" "inspect" "fb56fcdadd159a7833bf80f802826e5657847b24a5c9d1609aea3da02847b785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb56fcdadd159a7833bf80f802826e5657847b24a5c9d1609aea3da02847b785", kill_on_drop: false }`
[INFO] [stdout] fb56fcdadd159a7833bf80f802826e5657847b24a5c9d1609aea3da02847b785