[INFO] fetching crate wasmedge-nn 0.5.2...
[INFO] checking wasmedge-nn-0.5.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate wasmedge-nn 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate wasmedge-nn 0.5.2 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 wasmedge-nn 0.5.2
[INFO] finished tweaking crates.io crate wasmedge-nn 0.5.2
[INFO] tweaked toml for crates.io crate wasmedge-nn 0.5.2 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding deflate v0.8.6 (latest: v1.0.0)
[INFO] [stderr]       Adding gif v0.11.4 (latest: v0.13.1)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.2)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding miniz_oxide v0.3.7 (latest: v0.8.0)
[INFO] [stderr]       Adding miniz_oxide v0.4.4 (latest: v0.8.0)
[INFO] [stderr]       Adding ndarray v0.15.6 (latest: v0.16.1)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.2)
[INFO] [stderr]       Adding png v0.16.8 (latest: v0.17.13)
[INFO] [stderr]       Adding tiff v0.6.1 (latest: v0.9.1)
[INFO] [stderr]       Adding wasi-nn v0.1.0 (latest: v0.6.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi-nn v0.1.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcc5b115e27dd77b4c2521ad368e3ec923dbeb220b8750db816b65933d563d48
[INFO] running `Command { std: "docker" "start" "-a" "bcc5b115e27dd77b4c2521ad368e3ec923dbeb220b8750db816b65933d563d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc5b115e27dd77b4c2521ad368e3ec923dbeb220b8750db816b65933d563d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc5b115e27dd77b4c2521ad368e3ec923dbeb220b8750db816b65933d563d48", kill_on_drop: false }`
[INFO] [stdout] bcc5b115e27dd77b4c2521ad368e3ec923dbeb220b8750db816b65933d563d48
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24759a9e4cf3eb4763500b3afc11c4cc8bfb0b3d633b65bb381c2a3c1676d09d
[INFO] running `Command { std: "docker" "start" "-a" "24759a9e4cf3eb4763500b3afc11c4cc8bfb0b3d633b65bb381c2a3c1676d09d", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]     Checking wasi-nn v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking wasmedge-nn v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/nn/backend/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub(crate) trait Backend {
[INFO] [stdout]    |                  ------- method in this trait
[INFO] [stdout] 10 |     fn name(&self) -> &str;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/nn/backend/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub(crate) trait Backend {
[INFO] [stdout]    |                  ------- method in this trait
[INFO] [stdout] 10 |     fn name(&self) -> &str;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "24759a9e4cf3eb4763500b3afc11c4cc8bfb0b3d633b65bb381c2a3c1676d09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24759a9e4cf3eb4763500b3afc11c4cc8bfb0b3d633b65bb381c2a3c1676d09d", kill_on_drop: false }`
[INFO] [stdout] 24759a9e4cf3eb4763500b3afc11c4cc8bfb0b3d633b65bb381c2a3c1676d09d