[INFO] fetching crate gmp-sys 0.1.0...
[INFO] checking gmp-sys-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate gmp-sys 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate gmp-sys 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmp-sys 0.1.0
[INFO] finished tweaking crates.io crate gmp-sys 0.1.0
[INFO] tweaked toml for crates.io crate gmp-sys 0.1.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 782123d922169cd0f2e5feefcfd09f88f8c5d4165286293c4c5800e1a4d62ed0
[INFO] running `Command { std: "docker" "start" "-a" "782123d922169cd0f2e5feefcfd09f88f8c5d4165286293c4c5800e1a4d62ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "782123d922169cd0f2e5feefcfd09f88f8c5d4165286293c4c5800e1a4d62ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782123d922169cd0f2e5feefcfd09f88f8c5d4165286293c4c5800e1a4d62ed0", kill_on_drop: false }`
[INFO] [stdout] 782123d922169cd0f2e5feefcfd09f88f8c5d4165286293c4c5800e1a4d62ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 794d5d4f4c2c91254d7402188a2e8953f13cc82adf369c2b10f484ec34315b15
[INFO] running `Command { std: "docker" "start" "-a" "794d5d4f4c2c91254d7402188a2e8953f13cc82adf369c2b10f484ec34315b15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling gmp-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:597:34
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stdout]     |                                  ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:597:34
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stdout]     |                                  ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "794d5d4f4c2c91254d7402188a2e8953f13cc82adf369c2b10f484ec34315b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794d5d4f4c2c91254d7402188a2e8953f13cc82adf369c2b10f484ec34315b15", kill_on_drop: false }`
[INFO] [stdout] 794d5d4f4c2c91254d7402188a2e8953f13cc82adf369c2b10f484ec34315b15