[INFO] fetching crate napi_ext 0.4.0...
[INFO] checking napi_ext-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate napi_ext 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate napi_ext 0.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate napi_ext 0.4.0
[INFO] finished tweaking crates.io crate napi_ext 0.4.0
[INFO] tweaked toml for crates.io crate napi_ext 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded napi_ext_macros v0.4.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3da5d6f2aa03fec0e90f861f15326f7880b5f90160418129b4079ad95a1771f3
[INFO] running `Command { std: "docker" "start" "-a" "3da5d6f2aa03fec0e90f861f15326f7880b5f90160418129b4079ad95a1771f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da5d6f2aa03fec0e90f861f15326f7880b5f90160418129b4079ad95a1771f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da5d6f2aa03fec0e90f861f15326f7880b5f90160418129b4079ad95a1771f3", kill_on_drop: false }`
[INFO] [stdout] 3da5d6f2aa03fec0e90f861f15326f7880b5f90160418129b4079ad95a1771f3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c896a9c8f2d5d5e3d49100ead75243983f6793e3f60712339bca17506ca9cfc6
[INFO] running `Command { std: "docker" "start" "-a" "c896a9c8f2d5d5e3d49100ead75243983f6793e3f60712339bca17506ca9cfc6", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking napi-sys v2.4.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling ctor v0.2.8
[INFO] [stderr]    Compiling napi_ext_macros v0.4.0
[INFO] [stderr]     Checking napi v2.16.9
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking napi_ext v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Object` is never constructed
[INFO] [stdout]   --> src/js_rc/root.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum RootObjectType {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 17 |   Object,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/js_rc/root.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct RootRef {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 22 |   pub raw_ref: sys::napi_ref,
[INFO] [stdout] 23 |   pub count: Arc<AtomicU32>,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_object`, `clone`, and `get` are never used
[INFO] [stdout]    --> src/js_rc/root.rs:32:10
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl RootRef {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32  |   pub fn new_object(env: &Env) -> napi::Result<RootRef> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |   pub fn clone(
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |   pub fn get(
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Object` is never constructed
[INFO] [stdout]   --> src/js_rc/root.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum RootObjectType {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 17 |   Object,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/js_rc/root.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct RootRef {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 22 |   pub raw_ref: sys::napi_ref,
[INFO] [stdout] 23 |   pub count: Arc<AtomicU32>,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_object`, `clone`, and `get` are never used
[INFO] [stdout]    --> src/js_rc/root.rs:32:10
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl RootRef {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32  |   pub fn new_object(env: &Env) -> napi::Result<RootRef> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |   pub fn clone(
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |   pub fn get(
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "c896a9c8f2d5d5e3d49100ead75243983f6793e3f60712339bca17506ca9cfc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c896a9c8f2d5d5e3d49100ead75243983f6793e3f60712339bca17506ca9cfc6", kill_on_drop: false }`
[INFO] [stdout] c896a9c8f2d5d5e3d49100ead75243983f6793e3f60712339bca17506ca9cfc6