[INFO] fetching crate nbpf-sys 0.1.4...
[INFO] building nbpf-sys-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate nbpf-sys 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nbpf-sys 0.1.4
[INFO] finished tweaking crates.io crate nbpf-sys 0.1.4
[INFO] tweaked toml for crates.io crate nbpf-sys 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nbpf-sys 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a04595896a5418f4d72560bd46881973c3f2cffc7ac4a54fb8d64e54cb433d3e
[INFO] running `Command { std: "docker" "start" "-a" "a04595896a5418f4d72560bd46881973c3f2cffc7ac4a54fb8d64e54cb433d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a04595896a5418f4d72560bd46881973c3f2cffc7ac4a54fb8d64e54cb433d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04595896a5418f4d72560bd46881973c3f2cffc7ac4a54fb8d64e54cb433d3e", kill_on_drop: false }`
[INFO] [stdout] a04595896a5418f4d72560bd46881973c3f2cffc7ac4a54fb8d64e54cb433d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 094623d3c2de9d43825c51b32c87b1b69f81da470a90b4b9b179d8e07eb2f3ae
[INFO] running `Command { std: "docker" "start" "-a" "094623d3c2de9d43825c51b32c87b1b69f81da470a90b4b9b179d8e07eb2f3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]    Compiling nbpf-sys v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pnet_sys v0.35.0
[INFO] [stderr]    Compiling pnet_base v0.35.0
[INFO] [stderr]    Compiling pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ipnetwork v0.20.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling pnet_datalink v0.35.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling pnet_macros v0.35.0
[INFO] [stderr]    Compiling pnet_packet v0.35.0
[INFO] [stderr]    Compiling pnet_transport v0.35.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let mut v4 = v4.octets();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let mut v6 = v6.octets();
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: could not find native static library `nbpf`, perhaps an -L flag is missing?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nbpf-sys` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "094623d3c2de9d43825c51b32c87b1b69f81da470a90b4b9b179d8e07eb2f3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094623d3c2de9d43825c51b32c87b1b69f81da470a90b4b9b179d8e07eb2f3ae", kill_on_drop: false }`
[INFO] [stdout] 094623d3c2de9d43825c51b32c87b1b69f81da470a90b4b9b179d8e07eb2f3ae