[INFO] fetching crate tab-hash 0.3.0...
[INFO] checking tab-hash-0.3.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate tab-hash 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tab-hash 0.3.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 920714043d22e575509cc899a80a320dfb2d3e9e7a8ccbd3c82fcdb2ca238537
[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" "920714043d22e575509cc899a80a320dfb2d3e9e7a8ccbd3c82fcdb2ca238537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920714043d22e575509cc899a80a320dfb2d3e9e7a8ccbd3c82fcdb2ca238537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920714043d22e575509cc899a80a320dfb2d3e9e7a8ccbd3c82fcdb2ca238537", kill_on_drop: false }`
[INFO] [stdout] 920714043d22e575509cc899a80a320dfb2d3e9e7a8ccbd3c82fcdb2ca238537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 399ffc5dfdf91804d230c90472dd98847b0009e38cd14366fca09ad989c59431
[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" "399ffc5dfdf91804d230c90472dd98847b0009e38cd14366fca09ad989c59431", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling tab-hash v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[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 37.50s
[INFO] running `Command { std: "docker" "inspect" "399ffc5dfdf91804d230c90472dd98847b0009e38cd14366fca09ad989c59431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399ffc5dfdf91804d230c90472dd98847b0009e38cd14366fca09ad989c59431", kill_on_drop: false }`
[INFO] [stdout] 399ffc5dfdf91804d230c90472dd98847b0009e38cd14366fca09ad989c59431