[INFO] fetching crate kg-js 0.9.0...
[INFO] checking kg-js-0.9.0 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate kg-js 0.9.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kg-js 0.9.0 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kg-js 0.9.0
[INFO] finished tweaking crates.io crate kg-js 0.9.0
[INFO] tweaked toml for crates.io crate kg-js 0.9.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "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 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8be5df7d1e778caeebd43026784c38b79d979735ba4f478c572941a540f2884
[INFO] running `Command { std: "docker" "start" "-a" "d8be5df7d1e778caeebd43026784c38b79d979735ba4f478c572941a540f2884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8be5df7d1e778caeebd43026784c38b79d979735ba4f478c572941a540f2884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8be5df7d1e778caeebd43026784c38b79d979735ba4f478c572941a540f2884", kill_on_drop: false }`
[INFO] [stdout] d8be5df7d1e778caeebd43026784c38b79d979735ba4f478c572941a540f2884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25bd6bf61541fa998e0530a1b007d5027d89674c055026a4881db61efd2a5386
[INFO] running `Command { std: "docker" "start" "-a" "25bd6bf61541fa998e0530a1b007d5027d89674c055026a4881db61efd2a5386", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking smallbox v0.8.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling kg-js v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stdout] warning: method `alloc_count` is never used
[INFO] [stdout]    --> src/interop.rs:274:20
[INFO] [stdout]     |
[INFO] [stdout] 247 |         impl AllocTracker {
[INFO] [stdout]     |         ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |             pub fn alloc_count(&self) -> u64 {
[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 13.43s
[INFO] running `Command { std: "docker" "inspect" "25bd6bf61541fa998e0530a1b007d5027d89674c055026a4881db61efd2a5386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25bd6bf61541fa998e0530a1b007d5027d89674c055026a4881db61efd2a5386", kill_on_drop: false }`
[INFO] [stdout] 25bd6bf61541fa998e0530a1b007d5027d89674c055026a4881db61efd2a5386