[INFO] fetching crate tab-hash 0.3.0...
[INFO] checking tab-hash-0.3.0 against beta for pr-78714
[INFO] extracting crate tab-hash 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tab-hash 0.3.0 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 tab-hash 0.3.0
[INFO] finished tweaking crates.io crate tab-hash 0.3.0
[INFO] tweaked toml for crates.io crate tab-hash 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] fccb31e7aa4ad5cc094c6850841a5cde70c0d326540ad9f59faef1ce77db50e7
[INFO] running `Command { std: "docker" "start" "-a" "fccb31e7aa4ad5cc094c6850841a5cde70c0d326540ad9f59faef1ce77db50e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fccb31e7aa4ad5cc094c6850841a5cde70c0d326540ad9f59faef1ce77db50e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccb31e7aa4ad5cc094c6850841a5cde70c0d326540ad9f59faef1ce77db50e7", kill_on_drop: false }`
[INFO] [stdout] fccb31e7aa4ad5cc094c6850841a5cde70c0d326540ad9f59faef1ce77db50e7
[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=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] [stdout] a351681c03b06c9ab1692055e299adbf445840c30049d032bacf08f1e7ba4079
[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" "a351681c03b06c9ab1692055e299adbf445840c30049d032bacf08f1e7ba4079", kill_on_drop: false }`
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling tab-hash v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stdout] warning: `extern` block uses type `u128`, which is not FFI-safe
[INFO] [stdout]  --> tests/lib.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn TwistedTab64(x: u64, H: &[[u128; 256]; 8]) -> u64;
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]   = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "a351681c03b06c9ab1692055e299adbf445840c30049d032bacf08f1e7ba4079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a351681c03b06c9ab1692055e299adbf445840c30049d032bacf08f1e7ba4079", kill_on_drop: false }`
[INFO] [stdout] a351681c03b06c9ab1692055e299adbf445840c30049d032bacf08f1e7ba4079