[INFO] fetching crate leveled-hash-map 1.1.7...
[INFO] checking leveled-hash-map-1.1.7 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate leveled-hash-map 1.1.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate leveled-hash-map 1.1.7 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leveled-hash-map 1.1.7
[INFO] finished tweaking crates.io crate leveled-hash-map 1.1.7
[INFO] tweaked toml for crates.io crate leveled-hash-map 1.1.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate leveled-hash-map 1.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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] 93500a9efd092b23f121f5f01222df16ef4238c9d1f5e4c6d08b3612cbb65650
[INFO] running `Command { std: "docker" "start" "-a" "93500a9efd092b23f121f5f01222df16ef4238c9d1f5e4c6d08b3612cbb65650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93500a9efd092b23f121f5f01222df16ef4238c9d1f5e4c6d08b3612cbb65650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93500a9efd092b23f121f5f01222df16ef4238c9d1f5e4c6d08b3612cbb65650", kill_on_drop: false }`
[INFO] [stdout] 93500a9efd092b23f121f5f01222df16ef4238c9d1f5e4c6d08b3612cbb65650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a77f6bca67c10799b38d5228400c1378b095ee928bd77127fc986cf38308771
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a77f6bca67c10799b38d5228400c1378b095ee928bd77127fc986cf38308771", kill_on_drop: false }`
[INFO] [stderr]     Checking leveled-hash-map v1.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6a77f6bca67c10799b38d5228400c1378b095ee928bd77127fc986cf38308771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a77f6bca67c10799b38d5228400c1378b095ee928bd77127fc986cf38308771", kill_on_drop: false }`
[INFO] [stdout] 6a77f6bca67c10799b38d5228400c1378b095ee928bd77127fc986cf38308771