[INFO] fetching crate ll-neighbors 0.1.6...
[INFO] checking ll-neighbors-0.1.6 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ll-neighbors 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ll-neighbors 0.1.6
[INFO] finished tweaking crates.io crate ll-neighbors 0.1.6
[INFO] tweaked toml for crates.io crate ll-neighbors 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ll-neighbors 0.1.6 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07885c95d77feb46b6f8b6d540514858d1b6b7df896d8cba5c09951ff5b50772
[INFO] running `Command { std: "docker" "start" "-a" "07885c95d77feb46b6f8b6d540514858d1b6b7df896d8cba5c09951ff5b50772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07885c95d77feb46b6f8b6d540514858d1b6b7df896d8cba5c09951ff5b50772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07885c95d77feb46b6f8b6d540514858d1b6b7df896d8cba5c09951ff5b50772", kill_on_drop: false }`
[INFO] [stdout] 07885c95d77feb46b6f8b6d540514858d1b6b7df896d8cba5c09951ff5b50772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ab74d0f32d19cb9540d90391944ce77623edb548a77a6f3b72d4c05f240bc6
[INFO] running `Command { std: "docker" "start" "-a" "a6ab74d0f32d19cb9540d90391944ce77623edb548a77a6f3b72d4c05f240bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ll-neighbors v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `dev` and `state` are never read
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Neighbor {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 25 |     dst: IpAddr,
[INFO] [stdout] 26 |     dev: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     lladdr: Option<LlAddr>,
[INFO] [stdout] 28 |     state: Vec<State>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Neighbor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dev` and `state` are never read
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Neighbor {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 25 |     dst: IpAddr,
[INFO] [stdout] 26 |     dev: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     lladdr: Option<LlAddr>,
[INFO] [stdout] 28 |     state: Vec<State>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Neighbor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.46s
[INFO] running `Command { std: "docker" "inspect" "a6ab74d0f32d19cb9540d90391944ce77623edb548a77a6f3b72d4c05f240bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ab74d0f32d19cb9540d90391944ce77623edb548a77a6f3b72d4c05f240bc6", kill_on_drop: false }`
[INFO] [stdout] a6ab74d0f32d19cb9540d90391944ce77623edb548a77a6f3b72d4c05f240bc6