[INFO] fetching crate release-rust 0.0.6...
[INFO] checking release-rust-0.0.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate release-rust 0.0.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate release-rust 0.0.6
[INFO] finished tweaking crates.io crate release-rust 0.0.6
[INFO] tweaked toml for crates.io crate release-rust 0.0.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate release-rust 0.0.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate release-rust 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0718a03172e69b97862c161a6e6a077b3ffedf4d4f62817588211473cb68a6b
[INFO] running `Command { std: "docker" "start" "-a" "e0718a03172e69b97862c161a6e6a077b3ffedf4d4f62817588211473cb68a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0718a03172e69b97862c161a6e6a077b3ffedf4d4f62817588211473cb68a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0718a03172e69b97862c161a6e6a077b3ffedf4d4f62817588211473cb68a6b", kill_on_drop: false }`
[INFO] [stdout] e0718a03172e69b97862c161a6e6a077b3ffedf4d4f62817588211473cb68a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce71af90eff0f22d1ebc9225ce7169aaee2843988a52778c517002611701fe51
[INFO] running `Command { std: "docker" "start" "-a" "ce71af90eff0f22d1ebc9225ce7169aaee2843988a52778c517002611701fe51", kill_on_drop: false }`
[INFO] [stderr]     Checking release-rust v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "ce71af90eff0f22d1ebc9225ce7169aaee2843988a52778c517002611701fe51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce71af90eff0f22d1ebc9225ce7169aaee2843988a52778c517002611701fe51", kill_on_drop: false }`
[INFO] [stdout] ce71af90eff0f22d1ebc9225ce7169aaee2843988a52778c517002611701fe51