[INFO] fetching crate guile-sys 0.1.1...
[INFO] testing guile-sys-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate guile-sys 0.1.1 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate guile-sys 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb84aa25aacc36a295500539ef24dd21b583374941f78d3420905f1f4e0365b7
[INFO] running `Command { std: "docker" "start" "-a" "bb84aa25aacc36a295500539ef24dd21b583374941f78d3420905f1f4e0365b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb84aa25aacc36a295500539ef24dd21b583374941f78d3420905f1f4e0365b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb84aa25aacc36a295500539ef24dd21b583374941f78d3420905f1f4e0365b7", kill_on_drop: false }`
[INFO] [stdout] bb84aa25aacc36a295500539ef24dd21b583374941f78d3420905f1f4e0365b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e0fef6afeb4b9dd544b8eeefa8c4157abfd7ae5a0fc48a4f5da70d07b9a0df
[INFO] running `Command { std: "docker" "start" "-a" "d2e0fef6afeb4b9dd544b8eeefa8c4157abfd7ae5a0fc48a4f5da70d07b9a0df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guile-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3226:5
[INFO] [stdout]      |
[INFO] [stdout] 3226 |     pub static mut _IO_2_1_stdin_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(uninhabited_static)]` on by default
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3227:5
[INFO] [stdout]      |
[INFO] [stdout] 3227 |     pub static mut _IO_2_1_stdout_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3228:5
[INFO] [stdout]      |
[INFO] [stdout] 3228 |     pub static mut _IO_2_1_stderr_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3281:33
[INFO] [stdout]      |
[INFO] [stdout] 3281 |     pub fn __gmp_randinit(arg1: gmp_randstate_t, arg2: gmp_randalg_t, ...);
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3282:41
[INFO] [stdout]      |
[INFO] [stdout] 3282 |     pub fn __gmp_randinit_default(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3283:41
[INFO] [stdout]      |
[INFO] [stdout] 3283 |     pub fn __gmp_randinit_lc_2exp(arg1: gmp_randstate_t, arg2: mpz_srcptr,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3286:46
[INFO] [stdout]      |
[INFO] [stdout] 3286 |     pub fn __gmp_randinit_lc_2exp_size(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3289:36
[INFO] [stdout]      |
[INFO] [stdout] 3289 |     pub fn __gmp_randinit_mt(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3290:37
[INFO] [stdout]      |
[INFO] [stdout] 3290 |     pub fn __gmp_randinit_set(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3292:33
[INFO] [stdout]      |
[INFO] [stdout] 3292 |     pub fn __gmp_randseed(arg1: gmp_randstate_t, arg2: mpz_srcptr);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3293:36
[INFO] [stdout]      |
[INFO] [stdout] 3293 |     pub fn __gmp_randseed_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3295:34
[INFO] [stdout]      |
[INFO] [stdout] 3295 |     pub fn __gmp_randclear(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3296:36
[INFO] [stdout]      |
[INFO] [stdout] 3296 |     pub fn __gmp_urandomb_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3299:36
[INFO] [stdout]      |
[INFO] [stdout] 3299 |     pub fn __gmp_urandomm_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3517:49
[INFO] [stdout]      |
[INFO] [stdout] 3517 |     pub fn __gmpz_rrandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3568:49
[INFO] [stdout]      |
[INFO] [stdout] 3568 |     pub fn __gmpz_urandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3570:49
[INFO] [stdout]      |
[INFO] [stdout] 3570 |     pub fn __gmpz_urandomm(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed4; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3716:34
[INFO] [stdout]      |
[INFO] [stdout] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                  ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3716:47
[INFO] [stdout]      |
[INFO] [stdout] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4208:26
[INFO] [stdout]      |
[INFO] [stdout] 4208 |     pub fn setjmp(__env: jmp_buf) -> c_int;
[INFO] [stdout]      |                          ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4217:30
[INFO] [stdout]      |
[INFO] [stdout] 4217 |     pub fn siglongjmp(__env: sigjmp_buf, __val: c_int);
[INFO] [stdout]      |                              ^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4540:36
[INFO] [stdout]      |
[INFO] [stdout] 4540 |     pub fn scm_to_mpz(x: SCM, rop: mpz_t);
[INFO] [stdout]      |                                    ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4541:30
[INFO] [stdout]      |
[INFO] [stdout] 4541 |     pub fn scm_from_mpz(rop: mpz_t) -> SCM;
[INFO] [stdout]      |                              ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8145:30
[INFO] [stdout]      |
[INFO] [stdout] 8145 |                        arg3: __gnuc_va_list, arg4: *mut c_int)
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8149:31
[INFO] [stdout]      |
[INFO] [stdout] 8149 |                         arg3: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8208:28
[INFO] [stdout]      |
[INFO] [stdout] 8208 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8210:27
[INFO] [stdout]      |
[INFO] [stdout] 8210 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8213:28
[INFO] [stdout]      |
[INFO] [stdout] 8213 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8219:29
[INFO] [stdout]      |
[INFO] [stdout] 8219 |                      __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8222:28
[INFO] [stdout]      |
[INFO] [stdout] 8222 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8235:27
[INFO] [stdout]      |
[INFO] [stdout] 8235 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8237:26
[INFO] [stdout]      |
[INFO] [stdout] 8237 |                   __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8240:27
[INFO] [stdout]      |
[INFO] [stdout] 8240 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "d2e0fef6afeb4b9dd544b8eeefa8c4157abfd7ae5a0fc48a4f5da70d07b9a0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e0fef6afeb4b9dd544b8eeefa8c4157abfd7ae5a0fc48a4f5da70d07b9a0df", kill_on_drop: false }`
[INFO] [stdout] d2e0fef6afeb4b9dd544b8eeefa8c4157abfd7ae5a0fc48a4f5da70d07b9a0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4b48629bb630a46f279791a2159537368e86580a1722f888b8de81eb35bdd1
[INFO] running `Command { std: "docker" "start" "-a" "2b4b48629bb630a46f279791a2159537368e86580a1722f888b8de81eb35bdd1", kill_on_drop: false }`
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3226:5
[INFO] [stdout]      |
[INFO] [stdout] 3226 |     pub static mut _IO_2_1_stdin_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(uninhabited_static)]` on by default
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3227:5
[INFO] [stdout]      |
[INFO] [stdout] 3227 |     pub static mut _IO_2_1_stdout_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3228:5
[INFO] [stdout]      |
[INFO] [stdout] 3228 |     pub static mut _IO_2_1_stderr_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3281:33
[INFO] [stdout]      |
[INFO] [stdout] 3281 |     pub fn __gmp_randinit(arg1: gmp_randstate_t, arg2: gmp_randalg_t, ...);
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3282:41
[INFO] [stdout]      |
[INFO] [stdout] 3282 |     pub fn __gmp_randinit_default(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3283:41
[INFO] [stdout]      |
[INFO] [stdout] 3283 |     pub fn __gmp_randinit_lc_2exp(arg1: gmp_randstate_t, arg2: mpz_srcptr,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3286:46
[INFO] [stdout]      |
[INFO] [stdout] 3286 |     pub fn __gmp_randinit_lc_2exp_size(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3289:36
[INFO] [stdout]      |
[INFO] [stdout] 3289 |     pub fn __gmp_randinit_mt(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3290:37
[INFO] [stdout]      |
[INFO] [stdout] 3290 |     pub fn __gmp_randinit_set(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3292:33
[INFO] [stdout]      |
[INFO] [stdout] 3292 |     pub fn __gmp_randseed(arg1: gmp_randstate_t, arg2: mpz_srcptr);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3293:36
[INFO] [stdout]      |
[INFO] [stdout] 3293 |     pub fn __gmp_randseed_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3295:34
[INFO] [stdout]      |
[INFO] [stdout] 3295 |     pub fn __gmp_randclear(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3296:36
[INFO] [stdout]      |
[INFO] [stdout] 3296 |     pub fn __gmp_urandomb_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3299:36
[INFO] [stdout]      |
[INFO] [stdout] 3299 |     pub fn __gmp_urandomm_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3517:49
[INFO] [stdout]      |
[INFO] [stdout] 3517 |     pub fn __gmpz_rrandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3568:49
[INFO] [stdout]      |
[INFO] [stdout] 3568 |     pub fn __gmpz_urandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3570:49
[INFO] [stdout]      |
[INFO] [stdout] 3570 |     pub fn __gmpz_urandomm(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed4; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3716:34
[INFO] [stdout]      |
[INFO] [stdout] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                  ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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] [stderr]    Compiling guile-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3716:47
[INFO] [stdout]      |
[INFO] [stdout] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4208:26
[INFO] [stdout]      |
[INFO] [stdout] 4208 |     pub fn setjmp(__env: jmp_buf) -> c_int;
[INFO] [stdout]      |                          ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4217:30
[INFO] [stdout]      |
[INFO] [stdout] 4217 |     pub fn siglongjmp(__env: sigjmp_buf, __val: c_int);
[INFO] [stdout]      |                              ^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4540:36
[INFO] [stdout]      |
[INFO] [stdout] 4540 |     pub fn scm_to_mpz(x: SCM, rop: mpz_t);
[INFO] [stdout]      |                                    ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4541:30
[INFO] [stdout]      |
[INFO] [stdout] 4541 |     pub fn scm_from_mpz(rop: mpz_t) -> SCM;
[INFO] [stdout]      |                              ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8145:30
[INFO] [stdout]      |
[INFO] [stdout] 8145 |                        arg3: __gnuc_va_list, arg4: *mut c_int)
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8149:31
[INFO] [stdout]      |
[INFO] [stdout] 8149 |                         arg3: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8208:28
[INFO] [stdout]      |
[INFO] [stdout] 8208 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8210:27
[INFO] [stdout]      |
[INFO] [stdout] 8210 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8213:28
[INFO] [stdout]      |
[INFO] [stdout] 8213 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8219:29
[INFO] [stdout]      |
[INFO] [stdout] 8219 |                      __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8222:28
[INFO] [stdout]      |
[INFO] [stdout] 8222 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8235:27
[INFO] [stdout]      |
[INFO] [stdout] 8235 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8237:26
[INFO] [stdout]      |
[INFO] [stdout] 8237 |                   __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8240:27
[INFO] [stdout]      |
[INFO] [stdout] 8240 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3226:5
[INFO] [stdout]      |
[INFO] [stdout] 3226 |     pub static mut _IO_2_1_stdin_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(uninhabited_static)]` on by default
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3227:5
[INFO] [stdout]      |
[INFO] [stdout] 3227 |     pub static mut _IO_2_1_stdout_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]     --> src/lib.rs:3228:5
[INFO] [stdout]      |
[INFO] [stdout] 3228 |     pub static mut _IO_2_1_stderr_: Struct__IO_FILE_plus;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #74840 <https://github.com/rust-lang/rust/issues/74840>
[INFO] [stdout]      = note: uninhabited statics cannot be initialized, and any access would be an immediate error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3281:33
[INFO] [stdout]      |
[INFO] [stdout] 3281 |     pub fn __gmp_randinit(arg1: gmp_randstate_t, arg2: gmp_randalg_t, ...);
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3282:41
[INFO] [stdout]      |
[INFO] [stdout] 3282 |     pub fn __gmp_randinit_default(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3283:41
[INFO] [stdout]      |
[INFO] [stdout] 3283 |     pub fn __gmp_randinit_lc_2exp(arg1: gmp_randstate_t, arg2: mpz_srcptr,
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3286:46
[INFO] [stdout]      |
[INFO] [stdout] 3286 |     pub fn __gmp_randinit_lc_2exp_size(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3289:36
[INFO] [stdout]      |
[INFO] [stdout] 3289 |     pub fn __gmp_randinit_mt(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3290:37
[INFO] [stdout]      |
[INFO] [stdout] 3290 |     pub fn __gmp_randinit_set(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3292:33
[INFO] [stdout]      |
[INFO] [stdout] 3292 |     pub fn __gmp_randseed(arg1: gmp_randstate_t, arg2: mpz_srcptr);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3293:36
[INFO] [stdout]      |
[INFO] [stdout] 3293 |     pub fn __gmp_randseed_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3295:34
[INFO] [stdout]      |
[INFO] [stdout] 3295 |     pub fn __gmp_randclear(arg1: gmp_randstate_t);
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3296:36
[INFO] [stdout]      |
[INFO] [stdout] 3296 |     pub fn __gmp_urandomb_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3299:36
[INFO] [stdout]      |
[INFO] [stdout] 3299 |     pub fn __gmp_urandomm_ui(arg1: gmp_randstate_t,
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3517:49
[INFO] [stdout]      |
[INFO] [stdout] 3517 |     pub fn __gmpz_rrandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3568:49
[INFO] [stdout]      |
[INFO] [stdout] 3568 |     pub fn __gmpz_urandomb(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3570:49
[INFO] [stdout]      |
[INFO] [stdout] 3570 |     pub fn __gmpz_urandomm(arg1: mpz_ptr, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed4; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3716:34
[INFO] [stdout]      |
[INFO] [stdout] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                  ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed6; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:3716:47
[INFO] [stdout]      |
[INFO] [stdout] 3716 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_t,
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4208:26
[INFO] [stdout]      |
[INFO] [stdout] 4208 |     pub fn setjmp(__env: jmp_buf) -> c_int;
[INFO] [stdout]      |                          ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___jmp_buf_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4217:30
[INFO] [stdout]      |
[INFO] [stdout] 4217 |     pub fn siglongjmp(__env: sigjmp_buf, __val: c_int);
[INFO] [stdout]      |                              ^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4540:36
[INFO] [stdout]      |
[INFO] [stdout] 4540 |     pub fn scm_to_mpz(x: SCM, rop: mpz_t);
[INFO] [stdout]      |                                    ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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_Unnamed2; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:4541:30
[INFO] [stdout]      |
[INFO] [stdout] 4541 |     pub fn scm_from_mpz(rop: mpz_t) -> SCM;
[INFO] [stdout]      |                              ^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8145:30
[INFO] [stdout]      |
[INFO] [stdout] 8145 |                        arg3: __gnuc_va_list, arg4: *mut c_int)
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8149:31
[INFO] [stdout]      |
[INFO] [stdout] 8149 |                         arg3: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8208:28
[INFO] [stdout]      |
[INFO] [stdout] 8208 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8210:27
[INFO] [stdout]      |
[INFO] [stdout] 8210 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8213:28
[INFO] [stdout]      |
[INFO] [stdout] 8213 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8219:29
[INFO] [stdout]      |
[INFO] [stdout] 8219 |                      __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8222:28
[INFO] [stdout]      |
[INFO] [stdout] 8222 |                     __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8235:27
[INFO] [stdout]      |
[INFO] [stdout] 8235 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8237:26
[INFO] [stdout]      |
[INFO] [stdout] 8237 |                   __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:8240:27
[INFO] [stdout]      |
[INFO] [stdout] 8240 |                    __arg: __gnuc_va_list) -> c_int;
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[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] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.guile_sys.cd465bcf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982.3f017vey8ijgum67.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lguile-2.0" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6e9019ff2cdb2237.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-e9cc0b5f091b140c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-762dfa4479f14aad.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2a5ac1cc0b21909c.rlib" "/opt/rustwide/target/debug/deps/liblibc-bd0a7f2f55865ae0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/guile_sys-d0290cf2c808d982" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lguile-2.0
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guile-sys` due to 2 previous errors; 33 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2b4b48629bb630a46f279791a2159537368e86580a1722f888b8de81eb35bdd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4b48629bb630a46f279791a2159537368e86580a1722f888b8de81eb35bdd1", kill_on_drop: false }`
[INFO] [stdout] 2b4b48629bb630a46f279791a2159537368e86580a1722f888b8de81eb35bdd1
