[INFO] fetching crate mug-bancha 0.0.0...
[INFO] checking mug-bancha-0.0.0 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate mug-bancha 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mug-bancha 0.0.0 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mug-bancha 0.0.0
[INFO] finished tweaking crates.io crate mug-bancha 0.0.0
[INFO] tweaked toml for crates.io crate mug-bancha 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mug-bancha 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d70d7564fd5e8b4a27d9b48849c2abc10db62a8e48f9b0f628da01596845af74
[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" "d70d7564fd5e8b4a27d9b48849c2abc10db62a8e48f9b0f628da01596845af74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d70d7564fd5e8b4a27d9b48849c2abc10db62a8e48f9b0f628da01596845af74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70d7564fd5e8b4a27d9b48849c2abc10db62a8e48f9b0f628da01596845af74", kill_on_drop: false }`
[INFO] [stdout] d70d7564fd5e8b4a27d9b48849c2abc10db62a8e48f9b0f628da01596845af74
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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] 5a4336cc83c2335b5d46aa699556d7590876d35c85180a7368eab72452a6d7da
[INFO] running `Command { std: "docker" "start" "-a" "5a4336cc83c2335b5d46aa699556d7590876d35c85180a7368eab72452a6d7da", kill_on_drop: false }`
[INFO] [stderr]     Checking mug-bancha v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "5a4336cc83c2335b5d46aa699556d7590876d35c85180a7368eab72452a6d7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4336cc83c2335b5d46aa699556d7590876d35c85180a7368eab72452a6d7da", kill_on_drop: false }`
[INFO] [stdout] 5a4336cc83c2335b5d46aa699556d7590876d35c85180a7368eab72452a6d7da