[INFO] fetching crate interop 0.1.0-tmp...
[INFO] checking interop-0.1.0-tmp against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate interop 0.1.0-tmp into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate interop 0.1.0-tmp on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interop 0.1.0-tmp
[INFO] finished tweaking crates.io crate interop 0.1.0-tmp
[INFO] tweaked toml for crates.io crate interop 0.1.0-tmp written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate interop 0.1.0-tmp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 3005c78330f5915460af203b17b31b9abbdc744e468fce1b8100dfe1f1cb42cd
[INFO] running `Command { std: "docker" "start" "-a" "3005c78330f5915460af203b17b31b9abbdc744e468fce1b8100dfe1f1cb42cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3005c78330f5915460af203b17b31b9abbdc744e468fce1b8100dfe1f1cb42cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3005c78330f5915460af203b17b31b9abbdc744e468fce1b8100dfe1f1cb42cd", kill_on_drop: false }`
[INFO] [stdout] 3005c78330f5915460af203b17b31b9abbdc744e468fce1b8100dfe1f1cb42cd
[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 312f1cbb4a144f3b1a50f0c383bf94d19da56bf6adb3578fff69a4beebc70095
[INFO] running `Command { std: "docker" "start" "-a" "312f1cbb4a144f3b1a50f0c383bf94d19da56bf6adb3578fff69a4beebc70095", kill_on_drop: false }`
[INFO] [stderr]     Checking interop v0.1.0-tmp (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "312f1cbb4a144f3b1a50f0c383bf94d19da56bf6adb3578fff69a4beebc70095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312f1cbb4a144f3b1a50f0c383bf94d19da56bf6adb3578fff69a4beebc70095", kill_on_drop: false }`
[INFO] [stdout] 312f1cbb4a144f3b1a50f0c383bf94d19da56bf6adb3578fff69a4beebc70095