[INFO] fetching crate arp-toolkit 0.2.0...
[INFO] checking arp-toolkit-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate arp-toolkit 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arp-toolkit 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arp-toolkit 0.2.0
[INFO] finished tweaking crates.io crate arp-toolkit 0.2.0
[INFO] tweaked toml for crates.io crate arp-toolkit 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7978c39ef0cf590f9ba0a06ee318b2f47baffb7080e8a6ad5635a71a3cb163c
[INFO] running `Command { std: "docker" "start" "-a" "c7978c39ef0cf590f9ba0a06ee318b2f47baffb7080e8a6ad5635a71a3cb163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7978c39ef0cf590f9ba0a06ee318b2f47baffb7080e8a6ad5635a71a3cb163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7978c39ef0cf590f9ba0a06ee318b2f47baffb7080e8a6ad5635a71a3cb163c", kill_on_drop: false }`
[INFO] [stdout] c7978c39ef0cf590f9ba0a06ee318b2f47baffb7080e8a6ad5635a71a3cb163c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f50bec3b63357080560d08ffd3dcc3fbb19965f235fddc4a4d6df3ad6985ff8d
[INFO] running `Command { std: "docker" "start" "-a" "f50bec3b63357080560d08ffd3dcc3fbb19965f235fddc4a4d6df3ad6985ff8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling pnet v0.28.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking pnet_sys v0.28.0
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]     Checking pnet_datalink v0.28.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]     Checking pnet_packet v0.28.0
[INFO] [stderr]     Checking pnet_transport v0.28.0
[INFO] [stderr]     Checking arp-toolkit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.08s
[INFO] running `Command { std: "docker" "inspect" "f50bec3b63357080560d08ffd3dcc3fbb19965f235fddc4a4d6df3ad6985ff8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50bec3b63357080560d08ffd3dcc3fbb19965f235fddc4a4d6df3ad6985ff8d", kill_on_drop: false }`
[INFO] [stdout] f50bec3b63357080560d08ffd3dcc3fbb19965f235fddc4a4d6df3ad6985ff8d