[INFO] fetching crate napi_ext 0.4.0...
[INFO] building napi_ext-0.4.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate napi_ext 0.4.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate napi_ext 0.4.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding napi v2.16.17 (available: v3.3.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 83ebf50524d1143f6c54722a2e93187046b6c4ac82a98569bd6a9bd28f2f98cc
[INFO] running `Command { std: "docker" "start" "-a" "83ebf50524d1143f6c54722a2e93187046b6c4ac82a98569bd6a9bd28f2f98cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ebf50524d1143f6c54722a2e93187046b6c4ac82a98569bd6a9bd28f2f98cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ebf50524d1143f6c54722a2e93187046b6c4ac82a98569bd6a9bd28f2f98cc", kill_on_drop: false }`
[INFO] [stdout] 83ebf50524d1143f6c54722a2e93187046b6c4ac82a98569bd6a9bd28f2f98cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7f6f0ae870bc212d845bfaa15d3dff6359aed0e341ea56b7babec429fec87bbc
[INFO] running `Command { std: "docker" "start" "-a" "7f6f0ae870bc212d845bfaa15d3dff6359aed0e341ea56b7babec429fec87bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling napi-sys v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling napi_ext_macros v0.4.0
[INFO] [stderr]    Compiling napi v2.16.17
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "7f6f0ae870bc212d845bfaa15d3dff6359aed0e341ea56b7babec429fec87bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6f0ae870bc212d845bfaa15d3dff6359aed0e341ea56b7babec429fec87bbc", kill_on_drop: false }`
[INFO] [stdout] 7f6f0ae870bc212d845bfaa15d3dff6359aed0e341ea56b7babec429fec87bbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ef7fe27969ad95cf1c0b874abdf00919276873c2366db34eb7f85347efc4b45
[INFO] running `Command { std: "docker" "start" "-a" "3ef7fe27969ad95cf1c0b874abdf00919276873c2366db34eb7f85347efc4b45", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "3ef7fe27969ad95cf1c0b874abdf00919276873c2366db34eb7f85347efc4b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef7fe27969ad95cf1c0b874abdf00919276873c2366db34eb7f85347efc4b45", kill_on_drop: false }`
[INFO] [stdout] 3ef7fe27969ad95cf1c0b874abdf00919276873c2366db34eb7f85347efc4b45