[INFO] fetching crate ping-fox 0.1.0...
[INFO] checking ping-fox-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate ping-fox 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ping-fox 0.1.0
[INFO] finished tweaking crates.io crate ping-fox 0.1.0
[INFO] tweaked toml for crates.io crate ping-fox 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ping-fox 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ping-fox 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded cargo-emit v0.2.1
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded which v4.3.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded nom v7.1.2
[INFO] [stderr]   Downloaded bindgen v0.63.0
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2f095213d211bed275b1ce56ee8ea2b552fdecd54656985e4149d185db20de9
[INFO] running `Command { std: "docker" "start" "-a" "e2f095213d211bed275b1ce56ee8ea2b552fdecd54656985e4149d185db20de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f095213d211bed275b1ce56ee8ea2b552fdecd54656985e4149d185db20de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f095213d211bed275b1ce56ee8ea2b552fdecd54656985e4149d185db20de9", kill_on_drop: false }`
[INFO] [stdout] e2f095213d211bed275b1ce56ee8ea2b552fdecd54656985e4149d185db20de9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f54f5f8b5366436f70487e1d1da875023a9465aaefbf712d44d4c315ce2cfdc
[INFO] running `Command { std: "docker" "start" "-a" "5f54f5f8b5366436f70487e1d1da875023a9465aaefbf712d44d4c315ce2cfdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling nom v7.1.2
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling cargo-emit v0.2.1
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking pnet_macros_support v0.31.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking pnet_packet v0.31.0
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling ping-fox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]  --> examples/send-one-ping/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Error {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]  --> examples/cli/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Error {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.96s
[INFO] running `Command { std: "docker" "inspect" "5f54f5f8b5366436f70487e1d1da875023a9465aaefbf712d44d4c315ce2cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f54f5f8b5366436f70487e1d1da875023a9465aaefbf712d44d4c315ce2cfdc", kill_on_drop: false }`
[INFO] [stdout] 5f54f5f8b5366436f70487e1d1da875023a9465aaefbf712d44d4c315ce2cfdc
