[INFO] crate guile-sys 0.1.1 is already in cache
[INFO] testing guile-sys-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate guile-sys 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate guile-sys 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate guile-sys 0.1.1
[INFO] finished tweaking crates.io crate guile-sys 0.1.1
[INFO] tweaked toml for crates.io crate guile-sys 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] caf9cb9df056b46e1568404e99f2f1420f0d1851daabaa997c2fdd6fbb325cb9
[INFO] running `"docker" "start" "-a" "caf9cb9df056b46e1568404e99f2f1420f0d1851daabaa997c2fdd6fbb325cb9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling guile-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3281:33
[INFO] [stderr]      |
[INFO] [stderr] 3281 |     pub fn __gmp_randinit(arg1: gmp_randstate_t, arg2: gmp_randalg_t, ...);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3282:41
[INFO] [stderr]      |
[INFO] [stderr] 3282 |     pub fn __gmp_randinit_default(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3283:41
[INFO] [stderr]      |
[INFO] [stderr] 3283 |     pub fn __gmp_randinit_lc_2exp(arg1: gmp_randstate_t, arg2: mpz_srcptr,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3286:46
[INFO] [stderr]      |
[INFO] [stderr] 3286 |     pub fn __gmp_randinit_lc_2exp_size(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3289:36
[INFO] [stderr]      |
[INFO] [stderr] 3289 |     pub fn __gmp_randinit_mt(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3290:37
[INFO] [stderr]      |
[INFO] [stderr] 3290 |     pub fn __gmp_randinit_set(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3292:33
[INFO] [stderr]      |
[INFO] [stderr] 3292 |     pub fn __gmp_randseed(arg1: gmp_randstate_t, arg2: mpz_srcptr);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3293:36
[INFO] [stderr]      |
[INFO] [stderr] 3293 |     pub fn __gmp_randseed_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3295:34
[INFO] [stderr]      |
[INFO] [stderr] 3295 |     pub fn __gmp_randclear(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3296:36
[INFO] [stderr]      |
[INFO] [stderr] 3296 |     pub fn __gmp_urandomb_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3299:36
[INFO] [stderr]      |
[INFO] [stderr] 3299 |     pub fn __gmp_urandomm_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3517:49
[INFO] [stderr]      |
[INFO] [stderr] 3517 |     pub fn __gmpz_rrandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3568:49
[INFO] [stderr]      |
[INFO] [stderr] 3568 |     pub fn __gmpz_urandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3570:49
[INFO] [stderr]      |
[INFO] [stderr] 3570 |     pub fn __gmpz_urandomm(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed4; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3716:34
[INFO] [stderr]      |
[INFO] [stderr] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                  ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3716:47
[INFO] [stderr]      |
[INFO] [stderr] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4208:26
[INFO] [stderr]      |
[INFO] [stderr] 4208 |     pub fn setjmp(__env: jmp_buf) -> c_int;
[INFO] [stderr]      |                          ^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4217:30
[INFO] [stderr]      |
[INFO] [stderr] 4217 |     pub fn siglongjmp(__env: sigjmp_buf, __val: c_int);
[INFO] [stderr]      |                              ^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4540:36
[INFO] [stderr]      |
[INFO] [stderr] 4540 |     pub fn scm_to_mpz(x: SCM, rop: mpz_t);
[INFO] [stderr]      |                                    ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4541:30
[INFO] [stderr]      |
[INFO] [stderr] 4541 |     pub fn scm_from_mpz(rop: mpz_t) -> SCM;
[INFO] [stderr]      |                              ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8145:30
[INFO] [stderr]      |
[INFO] [stderr] 8145 |                        arg3: __gnuc_va_list, arg4: *mut c_int)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8149:31
[INFO] [stderr]      |
[INFO] [stderr] 8149 |                         arg3: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8208:28
[INFO] [stderr]      |
[INFO] [stderr] 8208 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8210:27
[INFO] [stderr]      |
[INFO] [stderr] 8210 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8213:28
[INFO] [stderr]      |
[INFO] [stderr] 8213 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8219:29
[INFO] [stderr]      |
[INFO] [stderr] 8219 |                      __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8222:28
[INFO] [stderr]      |
[INFO] [stderr] 8222 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8235:27
[INFO] [stderr]      |
[INFO] [stderr] 8235 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8237:26
[INFO] [stderr]      |
[INFO] [stderr] 8237 |                   __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8240:27
[INFO] [stderr]      |
[INFO] [stderr] 8240 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "caf9cb9df056b46e1568404e99f2f1420f0d1851daabaa997c2fdd6fbb325cb9"`
[INFO] running `"docker" "rm" "-f" "caf9cb9df056b46e1568404e99f2f1420f0d1851daabaa997c2fdd6fbb325cb9"`
[INFO] [stdout] caf9cb9df056b46e1568404e99f2f1420f0d1851daabaa997c2fdd6fbb325cb9
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a3a83942f90861b6df4b1cd58ae097909c70c91f2b09ebee6589aae14986658
[INFO] running `"docker" "start" "-a" "5a3a83942f90861b6df4b1cd58ae097909c70c91f2b09ebee6589aae14986658"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling guile-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3281:33
[INFO] [stderr]      |
[INFO] [stderr] 3281 |     pub fn __gmp_randinit(arg1: gmp_randstate_t, arg2: gmp_randalg_t, ...);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3282:41
[INFO] [stderr]      |
[INFO] [stderr] 3282 |     pub fn __gmp_randinit_default(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3283:41
[INFO] [stderr]      |
[INFO] [stderr] 3283 |     pub fn __gmp_randinit_lc_2exp(arg1: gmp_randstate_t, arg2: mpz_srcptr,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3286:46
[INFO] [stderr]      |
[INFO] [stderr] 3286 |     pub fn __gmp_randinit_lc_2exp_size(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3289:36
[INFO] [stderr]      |
[INFO] [stderr] 3289 |     pub fn __gmp_randinit_mt(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3290:37
[INFO] [stderr]      |
[INFO] [stderr] 3290 |     pub fn __gmp_randinit_set(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3292:33
[INFO] [stderr]      |
[INFO] [stderr] 3292 |     pub fn __gmp_randseed(arg1: gmp_randstate_t, arg2: mpz_srcptr);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3293:36
[INFO] [stderr]      |
[INFO] [stderr] 3293 |     pub fn __gmp_randseed_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3295:34
[INFO] [stderr]      |
[INFO] [stderr] 3295 |     pub fn __gmp_randclear(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3296:36
[INFO] [stderr]      |
[INFO] [stderr] 3296 |     pub fn __gmp_urandomb_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3299:36
[INFO] [stderr]      |
[INFO] [stderr] 3299 |     pub fn __gmp_urandomm_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3517:49
[INFO] [stderr]      |
[INFO] [stderr] 3517 |     pub fn __gmpz_rrandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3568:49
[INFO] [stderr]      |
[INFO] [stderr] 3568 |     pub fn __gmpz_urandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3570:49
[INFO] [stderr]      |
[INFO] [stderr] 3570 |     pub fn __gmpz_urandomm(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed4; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3716:34
[INFO] [stderr]      |
[INFO] [stderr] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                  ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3716:47
[INFO] [stderr]      |
[INFO] [stderr] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4208:26
[INFO] [stderr]      |
[INFO] [stderr] 4208 |     pub fn setjmp(__env: jmp_buf) -> c_int;
[INFO] [stderr]      |                          ^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4217:30
[INFO] [stderr]      |
[INFO] [stderr] 4217 |     pub fn siglongjmp(__env: sigjmp_buf, __val: c_int);
[INFO] [stderr]      |                              ^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4540:36
[INFO] [stderr]      |
[INFO] [stderr] 4540 |     pub fn scm_to_mpz(x: SCM, rop: mpz_t);
[INFO] [stderr]      |                                    ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4541:30
[INFO] [stderr]      |
[INFO] [stderr] 4541 |     pub fn scm_from_mpz(rop: mpz_t) -> SCM;
[INFO] [stderr]      |                              ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8145:30
[INFO] [stderr]      |
[INFO] [stderr] 8145 |                        arg3: __gnuc_va_list, arg4: *mut c_int)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8149:31
[INFO] [stderr]      |
[INFO] [stderr] 8149 |                         arg3: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8208:28
[INFO] [stderr]      |
[INFO] [stderr] 8208 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8210:27
[INFO] [stderr]      |
[INFO] [stderr] 8210 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8213:28
[INFO] [stderr]      |
[INFO] [stderr] 8213 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8219:29
[INFO] [stderr]      |
[INFO] [stderr] 8219 |                      __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8222:28
[INFO] [stderr]      |
[INFO] [stderr] 8222 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8235:27
[INFO] [stderr]      |
[INFO] [stderr] 8235 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8237:26
[INFO] [stderr]      |
[INFO] [stderr] 8237 |                   __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8240:27
[INFO] [stderr]      |
[INFO] [stderr] 8240 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3281:33
[INFO] [stderr]      |
[INFO] [stderr] 3281 |     pub fn __gmp_randinit(arg1: gmp_randstate_t, arg2: gmp_randalg_t, ...);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3282:41
[INFO] [stderr]      |
[INFO] [stderr] 3282 |     pub fn __gmp_randinit_default(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3283:41
[INFO] [stderr]      |
[INFO] [stderr] 3283 |     pub fn __gmp_randinit_lc_2exp(arg1: gmp_randstate_t, arg2: mpz_srcptr,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3286:46
[INFO] [stderr]      |
[INFO] [stderr] 3286 |     pub fn __gmp_randinit_lc_2exp_size(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3289:36
[INFO] [stderr]      |
[INFO] [stderr] 3289 |     pub fn __gmp_randinit_mt(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3290:37
[INFO] [stderr]      |
[INFO] [stderr] 3290 |     pub fn __gmp_randinit_set(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3292:33
[INFO] [stderr]      |
[INFO] [stderr] 3292 |     pub fn __gmp_randseed(arg1: gmp_randstate_t, arg2: mpz_srcptr);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3293:36
[INFO] [stderr]      |
[INFO] [stderr] 3293 |     pub fn __gmp_randseed_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3295:34
[INFO] [stderr]      |
[INFO] [stderr] 3295 |     pub fn __gmp_randclear(arg1: gmp_randstate_t);
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3296:36
[INFO] [stderr]      |
[INFO] [stderr] 3296 |     pub fn __gmp_urandomb_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3299:36
[INFO] [stderr]      |
[INFO] [stderr] 3299 |     pub fn __gmp_urandomm_ui(arg1: gmp_randstate_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3517:49
[INFO] [stderr]      |
[INFO] [stderr] 3517 |     pub fn __gmpz_rrandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3568:49
[INFO] [stderr]      |
[INFO] [stderr] 3568 |     pub fn __gmpz_urandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3570:49
[INFO] [stderr]      |
[INFO] [stderr] 3570 |     pub fn __gmpz_urandomm(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed4; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3716:34
[INFO] [stderr]      |
[INFO] [stderr] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                  ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:3716:47
[INFO] [stderr]      |
[INFO] [stderr] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4208:26
[INFO] [stderr]      |
[INFO] [stderr] 4208 |     pub fn setjmp(__env: jmp_buf) -> c_int;
[INFO] [stderr]      |                          ^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4217:30
[INFO] [stderr]      |
[INFO] [stderr] 4217 |     pub fn siglongjmp(__env: sigjmp_buf, __val: c_int);
[INFO] [stderr]      |                              ^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4540:36
[INFO] [stderr]      |
[INFO] [stderr] 4540 |     pub fn scm_to_mpz(x: SCM, rop: mpz_t);
[INFO] [stderr]      |                                    ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:4541:30
[INFO] [stderr]      |
[INFO] [stderr] 4541 |     pub fn scm_from_mpz(rop: mpz_t) -> SCM;
[INFO] [stderr]      |                              ^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8145:30
[INFO] [stderr]      |
[INFO] [stderr] 8145 |                        arg3: __gnuc_va_list, arg4: *mut c_int)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8149:31
[INFO] [stderr]      |
[INFO] [stderr] 8149 |                         arg3: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8208:28
[INFO] [stderr]      |
[INFO] [stderr] 8208 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8210:27
[INFO] [stderr]      |
[INFO] [stderr] 8210 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8213:28
[INFO] [stderr]      |
[INFO] [stderr] 8213 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8219:29
[INFO] [stderr]      |
[INFO] [stderr] 8219 |                      __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8222:28
[INFO] [stderr]      |
[INFO] [stderr] 8222 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8235:27
[INFO] [stderr]      |
[INFO] [stderr] 8235 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8237:26
[INFO] [stderr]      |
[INFO] [stderr] 8237 |                   __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stderr]     --> src/lib.rs:8240:27
[INFO] [stderr]      |
[INFO] [stderr] 8240 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider passing a pointer to the array
[INFO] [stderr]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b.guile_sys.cpz0ve45-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b.guile_sys.cpz0ve45-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b.guile_sys.cpz0ve45-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b.guile_sys.cpz0ve45-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b.guile_sys.cpz0ve45-cgu.4.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b" "/opt/rustwide/target/debug/deps/guile_sys-39cfbeeb9ad1b25b.2f6k1vbkgpqw4ctf.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lguile-2.0" "-lguile-2.0" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0a07979da1fa7aa2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-171ede43b21d034c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ea69ac8b5a0936d1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6be6d4d5d08eb152.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c718480fe68c7cec.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lguile-2.0
[INFO] [stderr]           /usr/bin/ld: cannot find -lguile-2.0
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `guile-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5a3a83942f90861b6df4b1cd58ae097909c70c91f2b09ebee6589aae14986658"`
[INFO] running `"docker" "rm" "-f" "5a3a83942f90861b6df4b1cd58ae097909c70c91f2b09ebee6589aae14986658"`
[INFO] [stdout] 5a3a83942f90861b6df4b1cd58ae097909c70c91f2b09ebee6589aae14986658