[INFO] fetching crate kg-js 0.9.0...
[INFO] checking kg-js-0.9.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate kg-js 0.9.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kg-js 0.9.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallbox v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd02326c9611def8d19a3dc046bef919b673a6bba2ead7f94ca33f031e990b3d
[INFO] running `Command { std: "docker" "start" "-a" "fd02326c9611def8d19a3dc046bef919b673a6bba2ead7f94ca33f031e990b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd02326c9611def8d19a3dc046bef919b673a6bba2ead7f94ca33f031e990b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd02326c9611def8d19a3dc046bef919b673a6bba2ead7f94ca33f031e990b3d", kill_on_drop: false }`
[INFO] [stdout] fd02326c9611def8d19a3dc046bef919b673a6bba2ead7f94ca33f031e990b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a66078bf7eb4ed25d462bae1836fc0c08d6f1e3b32f16089b32929632fa8aaa
[INFO] running `Command { std: "docker" "start" "-a" "5a66078bf7eb4ed25d462bae1836fc0c08d6f1e3b32f16089b32929632fa8aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallbox v0.8.4
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling kg-js v0.9.0 (/opt/rustwide/workdir)
[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 9.49s
[INFO] running `Command { std: "docker" "inspect" "5a66078bf7eb4ed25d462bae1836fc0c08d6f1e3b32f16089b32929632fa8aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a66078bf7eb4ed25d462bae1836fc0c08d6f1e3b32f16089b32929632fa8aaa", kill_on_drop: false }`
[INFO] [stdout] 5a66078bf7eb4ed25d462bae1836fc0c08d6f1e3b32f16089b32929632fa8aaa