[INFO] fetching crate kb 0.0.1...
[INFO] checking kb-0.0.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate kb 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kb 0.0.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kb 0.0.1
[INFO] finished tweaking crates.io crate kb 0.0.1
[INFO] tweaked toml for crates.io crate kb 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate kb 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 49fb843d011fbb6b9a8791edb3f6ce531ee30e6f735d116f5d9ad2ad133776a9
[INFO] running `Command { std: "docker" "start" "-a" "49fb843d011fbb6b9a8791edb3f6ce531ee30e6f735d116f5d9ad2ad133776a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49fb843d011fbb6b9a8791edb3f6ce531ee30e6f735d116f5d9ad2ad133776a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fb843d011fbb6b9a8791edb3f6ce531ee30e6f735d116f5d9ad2ad133776a9", kill_on_drop: false }`
[INFO] [stdout] 49fb843d011fbb6b9a8791edb3f6ce531ee30e6f735d116f5d9ad2ad133776a9
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b714401d65f04d86e3ad8f4e8972b8d6de46f5c1709aaed85afb16ec18fd5e
[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" "81b714401d65f04d86e3ad8f4e8972b8d6de46f5c1709aaed85afb16ec18fd5e", kill_on_drop: false }`
[INFO] [stderr]     Checking kb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "81b714401d65f04d86e3ad8f4e8972b8d6de46f5c1709aaed85afb16ec18fd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b714401d65f04d86e3ad8f4e8972b8d6de46f5c1709aaed85afb16ec18fd5e", kill_on_drop: false }`
[INFO] [stdout] 81b714401d65f04d86e3ad8f4e8972b8d6de46f5c1709aaed85afb16ec18fd5e