[INFO] fetching crate gmp-sys 0.1.0...
[INFO] checking gmp-sys-0.1.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate gmp-sys 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate gmp-sys 0.1.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db9defb5dd4a8637f62f94b1304f8abd804df0b3b190ac968044fd5db904f4c2
[INFO] running `Command { std: "docker" "start" "-a" "db9defb5dd4a8637f62f94b1304f8abd804df0b3b190ac968044fd5db904f4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db9defb5dd4a8637f62f94b1304f8abd804df0b3b190ac968044fd5db904f4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9defb5dd4a8637f62f94b1304f8abd804df0b3b190ac968044fd5db904f4c2", kill_on_drop: false }`
[INFO] [stdout] db9defb5dd4a8637f62f94b1304f8abd804df0b3b190ac968044fd5db904f4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9a0db9b4e5b6eff8fbc4269922081f1236724cccf2d60919457b0905ed6ed21
[INFO] running `Command { std: "docker" "start" "-a" "c9a0db9b4e5b6eff8fbc4269922081f1236724cccf2d60919457b0905ed6ed21", kill_on_drop: false }`
[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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c9a0db9b4e5b6eff8fbc4269922081f1236724cccf2d60919457b0905ed6ed21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a0db9b4e5b6eff8fbc4269922081f1236724cccf2d60919457b0905ed6ed21", kill_on_drop: false }`
[INFO] [stdout] c9a0db9b4e5b6eff8fbc4269922081f1236724cccf2d60919457b0905ed6ed21