[INFO] fetching crate kg-js 0.9.0...
[INFO] checking kg-js-0.9.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate kg-js 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kg-js 0.9.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallbox v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74beec4a9102cb82a1d8b4cb29720c02634ded8d8fc00938fc0bdd9dbf71dfd7
[INFO] running `Command { std: "docker" "start" "-a" "74beec4a9102cb82a1d8b4cb29720c02634ded8d8fc00938fc0bdd9dbf71dfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74beec4a9102cb82a1d8b4cb29720c02634ded8d8fc00938fc0bdd9dbf71dfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74beec4a9102cb82a1d8b4cb29720c02634ded8d8fc00938fc0bdd9dbf71dfd7", kill_on_drop: false }`
[INFO] [stdout] 74beec4a9102cb82a1d8b4cb29720c02634ded8d8fc00938fc0bdd9dbf71dfd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd764f5c91d56b167be7f5261a0686e780ac7719a095f388f5a57387bde28b97
[INFO] running `Command { std: "docker" "start" "-a" "fd764f5c91d56b167be7f5261a0686e780ac7719a095f388f5a57387bde28b97", kill_on_drop: false }`
[INFO] [stderr]     Checking smallbox v0.8.2
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling smart-default v0.7.1
[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]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[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 9.68s
[INFO] running `Command { std: "docker" "inspect" "fd764f5c91d56b167be7f5261a0686e780ac7719a095f388f5a57387bde28b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd764f5c91d56b167be7f5261a0686e780ac7719a095f388f5a57387bde28b97", kill_on_drop: false }`
[INFO] [stdout] fd764f5c91d56b167be7f5261a0686e780ac7719a095f388f5a57387bde28b97
[INFO] checking kg-js-0.9.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate kg-js 0.9.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate kg-js 0.9.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d75300fa63c43651f07819e8af11d26570f1c3f37b88332762b016a2baf66de
[INFO] running `Command { std: "docker" "start" "-a" "9d75300fa63c43651f07819e8af11d26570f1c3f37b88332762b016a2baf66de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d75300fa63c43651f07819e8af11d26570f1c3f37b88332762b016a2baf66de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d75300fa63c43651f07819e8af11d26570f1c3f37b88332762b016a2baf66de", kill_on_drop: false }`
[INFO] [stdout] 9d75300fa63c43651f07819e8af11d26570f1c3f37b88332762b016a2baf66de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d3546633279aa2da51ee5ded02f76ee45693ac1cc71424ddb551e5fdab787da
[INFO] running `Command { std: "docker" "start" "-a" "9d3546633279aa2da51ee5ded02f76ee45693ac1cc71424ddb551e5fdab787da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking smallbox v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling smart-default v0.7.1
[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]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[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 7.37s
[INFO] running `Command { std: "docker" "inspect" "9d3546633279aa2da51ee5ded02f76ee45693ac1cc71424ddb551e5fdab787da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3546633279aa2da51ee5ded02f76ee45693ac1cc71424ddb551e5fdab787da", kill_on_drop: false }`
[INFO] [stdout] 9d3546633279aa2da51ee5ded02f76ee45693ac1cc71424ddb551e5fdab787da