[INFO] fetching crate hecs 0.3.1...
[INFO] checking hecs-0.3.1 against beta for pr-78714
[INFO] extracting crate hecs 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate hecs 0.3.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hecs 0.3.1
[INFO] finished tweaking crates.io crate hecs 0.3.1
[INFO] tweaked toml for crates.io crate hecs 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate hecs 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 224fe5f4fccf55e85b89ced4cecc7053624563574bb6a32cea2dd0ecdba3d73d
[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" "224fe5f4fccf55e85b89ced4cecc7053624563574bb6a32cea2dd0ecdba3d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224fe5f4fccf55e85b89ced4cecc7053624563574bb6a32cea2dd0ecdba3d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224fe5f4fccf55e85b89ced4cecc7053624563574bb6a32cea2dd0ecdba3d73d", kill_on_drop: false }`
[INFO] [stdout] 224fe5f4fccf55e85b89ced4cecc7053624563574bb6a32cea2dd0ecdba3d73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta" "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] 5635b20d6485ae6686136597683e3738a38c0eb85282f88da3190943a8d058aa
[INFO] running `Command { std: "docker" "start" "-a" "5635b20d6485ae6686136597683e3738a38c0eb85282f88da3190943a8d058aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking hecs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "5635b20d6485ae6686136597683e3738a38c0eb85282f88da3190943a8d058aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5635b20d6485ae6686136597683e3738a38c0eb85282f88da3190943a8d058aa", kill_on_drop: false }`
[INFO] [stdout] 5635b20d6485ae6686136597683e3738a38c0eb85282f88da3190943a8d058aa