[INFO] fetching crate anchor-attribute-event 0.17.0...
[INFO] checking anchor-attribute-event-0.17.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate anchor-attribute-event 0.17.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate anchor-attribute-event 0.17.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate anchor-attribute-event 0.17.0
[INFO] finished tweaking crates.io crate anchor-attribute-event 0.17.0
[INFO] tweaked toml for crates.io crate anchor-attribute-event 0.17.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] 5eb7aecea4799acd87d799f628fbb333540ae9349a787e943f7ef6f44b7de313
[INFO] running `Command { std: "docker" "start" "-a" "5eb7aecea4799acd87d799f628fbb333540ae9349a787e943f7ef6f44b7de313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb7aecea4799acd87d799f628fbb333540ae9349a787e943f7ef6f44b7de313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb7aecea4799acd87d799f628fbb333540ae9349a787e943f7ef6f44b7de313", kill_on_drop: false }`
[INFO] [stdout] 5eb7aecea4799acd87d799f628fbb333540ae9349a787e943f7ef6f44b7de313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7600e49e912d803a04e108ae76d6e45fc791d79a369fc7522adb4fbd83bc0d
[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" "8b7600e49e912d803a04e108ae76d6e45fc791d79a369fc7522adb4fbd83bc0d", kill_on_drop: false }`
[INFO] [stderr]     Checking anchor-syn v0.17.0
[INFO] [stderr]     Checking anchor-attribute-event v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "8b7600e49e912d803a04e108ae76d6e45fc791d79a369fc7522adb4fbd83bc0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7600e49e912d803a04e108ae76d6e45fc791d79a369fc7522adb4fbd83bc0d", kill_on_drop: false }`
[INFO] [stdout] 8b7600e49e912d803a04e108ae76d6e45fc791d79a369fc7522adb4fbd83bc0d
