[INFO] fetching crate yuuang-test-napi 1.7.6...
[INFO] checking yuuang-test-napi-1.7.6 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate yuuang-test-napi 1.7.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate yuuang-test-napi 1.7.6 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yuuang-test-napi 1.7.6
[INFO] finished tweaking crates.io crate yuuang-test-napi 1.7.6
[INFO] tweaked toml for crates.io crate yuuang-test-napi 1.7.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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 addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding napi-sys v1.1.2 (latest: v2.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded napi-sys v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a03e3e44e215abeb350dbf9ebf2e0c15e4c73a3c8188ddd80ba8e9b7bbc0bbd
[INFO] running `Command { std: "docker" "start" "-a" "8a03e3e44e215abeb350dbf9ebf2e0c15e4c73a3c8188ddd80ba8e9b7bbc0bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a03e3e44e215abeb350dbf9ebf2e0c15e4c73a3c8188ddd80ba8e9b7bbc0bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a03e3e44e215abeb350dbf9ebf2e0c15e4c73a3c8188ddd80ba8e9b7bbc0bbd", kill_on_drop: false }`
[INFO] [stdout] 8a03e3e44e215abeb350dbf9ebf2e0c15e4c73a3c8188ddd80ba8e9b7bbc0bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83510ae93e7e3c279fc0bac3d2d6230e9f101f3f96d4f5bfb3d7507dde51e452
[INFO] running `Command { std: "docker" "start" "-a" "83510ae93e7e3c279fc0bac3d2d6230e9f101f3f96d4f5bfb3d7507dde51e452", kill_on_drop: false }`
[INFO] [stderr]     Checking napi-sys v1.1.2
[INFO] [stderr]     Checking yuuang-test-napi v1.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value_type` is never read
[INFO] [stdout]  --> src/js_values/value.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Value {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |   pub value_type: ValueType,
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has a derived impl for the trait `Clone`, 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: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/env.rs:1372:3
[INFO] [stdout]      |
[INFO] [stdout] 1372 |   Box::from_raw(tagged_object);
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1372 |   let _ = Box::from_raw(tagged_object);
[INFO] [stdout]      |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value_type` is never read
[INFO] [stdout]  --> src/js_values/value.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Value {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |   pub value_type: ValueType,
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has a derived impl for the trait `Clone`, 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: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]     --> src/env.rs:1372:3
[INFO] [stdout]      |
[INFO] [stdout] 1372 |   Box::from_raw(tagged_object);
[INFO] [stdout]      |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1372 |   let _ = Box::from_raw(tagged_object);
[INFO] [stdout]      |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "83510ae93e7e3c279fc0bac3d2d6230e9f101f3f96d4f5bfb3d7507dde51e452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83510ae93e7e3c279fc0bac3d2d6230e9f101f3f96d4f5bfb3d7507dde51e452", kill_on_drop: false }`
[INFO] [stdout] 83510ae93e7e3c279fc0bac3d2d6230e9f101f3f96d4f5bfb3d7507dde51e452