[INFO] fetching crate json-node 0.2.1...
[INFO] checking json-node-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate json-node 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate json-node 0.2.1 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 json-node 0.2.1
[INFO] finished tweaking crates.io crate json-node 0.2.1
[INFO] tweaked toml for crates.io crate json-node 0.2.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d55670159c639d867bdcf9082b4e8b94a7ac0cf005883e875014f4df93691eb0
[INFO] running `Command { std: "docker" "start" "-a" "d55670159c639d867bdcf9082b4e8b94a7ac0cf005883e875014f4df93691eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d55670159c639d867bdcf9082b4e8b94a7ac0cf005883e875014f4df93691eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55670159c639d867bdcf9082b4e8b94a7ac0cf005883e875014f4df93691eb0", kill_on_drop: false }`
[INFO] [stdout] d55670159c639d867bdcf9082b4e8b94a7ac0cf005883e875014f4df93691eb0
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c311ba9ef8b16c26b49a8553daed1bdb6d5be41d880eff7c33880e9d86448b
[INFO] running `Command { std: "docker" "start" "-a" "39c311ba9ef8b16c26b49a8553daed1bdb6d5be41d880eff7c33880e9d86448b", kill_on_drop: false }`
[INFO] [stderr]     Checking json-node v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokens::*`
[INFO] [stdout]  --> src/parsing/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use tokens::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokens::*`
[INFO] [stdout]  --> src/parsing/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use tokens::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "39c311ba9ef8b16c26b49a8553daed1bdb6d5be41d880eff7c33880e9d86448b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c311ba9ef8b16c26b49a8553daed1bdb6d5be41d880eff7c33880e9d86448b", kill_on_drop: false }`
[INFO] [stdout] 39c311ba9ef8b16c26b49a8553daed1bdb6d5be41d880eff7c33880e9d86448b