[INFO] fetching crate xtract 0.0.2...
[INFO] checking xtract-0.0.2 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate xtract 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate xtract 0.0.2 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtract 0.0.2
[INFO] finished tweaking crates.io crate xtract 0.0.2
[INFO] tweaked toml for crates.io crate xtract 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate xtract 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1e258b4de10eae37cb97cc4eb34db5b9bbbff91c1434942022849557ea943a3
[INFO] running `Command { std: "docker" "start" "-a" "d1e258b4de10eae37cb97cc4eb34db5b9bbbff91c1434942022849557ea943a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e258b4de10eae37cb97cc4eb34db5b9bbbff91c1434942022849557ea943a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e258b4de10eae37cb97cc4eb34db5b9bbbff91c1434942022849557ea943a3", kill_on_drop: false }`
[INFO] [stdout] d1e258b4de10eae37cb97cc4eb34db5b9bbbff91c1434942022849557ea943a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86b5ca57285c1f4292fa07fbce88e834d737e88b590a6dcb446501bd11497d88
[INFO] running `Command { std: "docker" "start" "-a" "86b5ca57285c1f4292fa07fbce88e834d737e88b590a6dcb446501bd11497d88", kill_on_drop: false }`
[INFO] [stderr]     Checking xtract v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "86b5ca57285c1f4292fa07fbce88e834d737e88b590a6dcb446501bd11497d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b5ca57285c1f4292fa07fbce88e834d737e88b590a6dcb446501bd11497d88", kill_on_drop: false }`
[INFO] [stdout] 86b5ca57285c1f4292fa07fbce88e834d737e88b590a6dcb446501bd11497d88