[INFO] fetching crate rcap 0.1.4...
[INFO] testing rcap-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rcap 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rcap 0.1.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcap 0.1.4
[INFO] finished tweaking crates.io crate rcap 0.1.4
[INFO] tweaked toml for crates.io crate rcap 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e1117747206cb4813a209b0f64dac89248064b78f0a79820cb355be33393e73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e1117747206cb4813a209b0f64dac89248064b78f0a79820cb355be33393e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e1117747206cb4813a209b0f64dac89248064b78f0a79820cb355be33393e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1117747206cb4813a209b0f64dac89248064b78f0a79820cb355be33393e73", kill_on_drop: false }`
[INFO] [stdout] 0e1117747206cb4813a209b0f64dac89248064b78f0a79820cb355be33393e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd55b62d8d35678c894e4420a5480e23c8e67673bd2524ce3a15947cb3f8d36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3dd55b62d8d35678c894e4420a5480e23c8e67673bd2524ce3a15947cb3f8d36", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]    --> src/lib.rs:973:5
[INFO] [stdout]     |
[INFO] [stdout] 973 |     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:974:5
[INFO] [stdout]     |
[INFO] [stdout] 974 |     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:975:5
[INFO] [stdout]     |
[INFO] [stdout] 975 |     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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:998:30
[INFO] [stdout]     |
[INFO] [stdout] 998 |                        arg3: __gnuc_va_list, arg4: *mut ::libc::c_int)
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1001:31
[INFO] [stdout]      |
[INFO] [stdout] 1001 |                         arg3: __gnuc_va_list) -> ::libc::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:1048:28
[INFO] [stdout]      |
[INFO] [stdout] 1048 |                     __arg: __gnuc_va_list) -> ::libc::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:1049:60
[INFO] [stdout]      |
[INFO] [stdout] 1049 |     pub fn vprintf(__format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1052:28
[INFO] [stdout]      |
[INFO] [stdout] 1052 |                     __arg: __gnuc_va_list) -> ::libc::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:1056:62
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                      __format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1059:28
[INFO] [stdout]      |
[INFO] [stdout] 1059 |                     __arg: __gnuc_va_list) -> ::libc::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:1068:27
[INFO] [stdout]      |
[INFO] [stdout] 1068 |                    __arg: __gnuc_va_list) -> ::libc::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:1069:59
[INFO] [stdout]      |
[INFO] [stdout] 1069 |     pub fn vscanf(__format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1072:60
[INFO] [stdout]      |
[INFO] [stdout] 1072 |                    __format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "3dd55b62d8d35678c894e4420a5480e23c8e67673bd2524ce3a15947cb3f8d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd55b62d8d35678c894e4420a5480e23c8e67673bd2524ce3a15947cb3f8d36", kill_on_drop: false }`
[INFO] [stdout] 3dd55b62d8d35678c894e4420a5480e23c8e67673bd2524ce3a15947cb3f8d36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2bdabe6d464674d3b5f024c748663bf86b79cdc58e6e9e93af00a3f6d7cc35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab2bdabe6d464674d3b5f024c748663bf86b79cdc58e6e9e93af00a3f6d7cc35", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]    --> src/lib.rs:973:5
[INFO] [stdout]     |
[INFO] [stdout] 973 |     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:974:5
[INFO] [stdout]     |
[INFO] [stdout] 974 |     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:975:5
[INFO] [stdout]     |
[INFO] [stdout] 975 |     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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:998:30
[INFO] [stdout]     |
[INFO] [stdout] 998 |                        arg3: __gnuc_va_list, arg4: *mut ::libc::c_int)
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1001:31
[INFO] [stdout]      |
[INFO] [stdout] 1001 |                         arg3: __gnuc_va_list) -> ::libc::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:1048:28
[INFO] [stdout]      |
[INFO] [stdout] 1048 |                     __arg: __gnuc_va_list) -> ::libc::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:1049:60
[INFO] [stdout]      |
[INFO] [stdout] 1049 |     pub fn vprintf(__format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1052:28
[INFO] [stdout]      |
[INFO] [stdout] 1052 |                     __arg: __gnuc_va_list) -> ::libc::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:1056:62
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                      __format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1059:28
[INFO] [stdout]      |
[INFO] [stdout] 1059 |                     __arg: __gnuc_va_list) -> ::libc::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:1068:27
[INFO] [stdout]      |
[INFO] [stdout] 1068 |                    __arg: __gnuc_va_list) -> ::libc::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:1069:59
[INFO] [stdout]      |
[INFO] [stdout] 1069 |     pub fn vscanf(__format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1072:60
[INFO] [stdout]      |
[INFO] [stdout] 1072 |                    __format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static of uninhabited type
[INFO] [stdout]    --> src/lib.rs:973:5
[INFO] [stdout]     |
[INFO] [stdout] 973 |     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:974:5
[INFO] [stdout]     |
[INFO] [stdout] 974 |     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:975:5
[INFO] [stdout]     |
[INFO] [stdout] 975 |     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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:998:30
[INFO] [stdout]     |
[INFO] [stdout] 998 |                        arg3: __gnuc_va_list, arg4: *mut ::libc::c_int)
[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___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1001:31
[INFO] [stdout]      |
[INFO] [stdout] 1001 |                         arg3: __gnuc_va_list) -> ::libc::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:1048:28
[INFO] [stdout]      |
[INFO] [stdout] 1048 |                     __arg: __gnuc_va_list) -> ::libc::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:1049:60
[INFO] [stdout]      |
[INFO] [stdout] 1049 |     pub fn vprintf(__format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1052:28
[INFO] [stdout]      |
[INFO] [stdout] 1052 |                     __arg: __gnuc_va_list) -> ::libc::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:1056:62
[INFO] [stdout]      |
[INFO] [stdout] 1056 |                      __format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1059:28
[INFO] [stdout]      |
[INFO] [stdout] 1059 |                     __arg: __gnuc_va_list) -> ::libc::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:1068:27
[INFO] [stdout]      |
[INFO] [stdout] 1068 |                    __arg: __gnuc_va_list) -> ::libc::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:1069:59
[INFO] [stdout]      |
[INFO] [stdout] 1069 |     pub fn vscanf(__format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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:1072:60
[INFO] [stdout]      |
[INFO] [stdout] 1072 |                    __format: *const ::libc::c_char, __arg: __gnuc_va_list)
[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 code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.rcap.72ry01oa-cgu.6.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774" "/opt/rustwide/target/debug/deps/rcap-d7b0adcf26bed774.3cow4dn95d2klq15.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcap" "-lcap" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-c99ebba9851136ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-190ecd0479955c2e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-10cf7eacb763a707.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-5f0069e1a0595222.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-176a753cf8833059.rlib" "/opt/rustwide/target/debug/deps/liblibc-77d6541a42757d2c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lcap
[INFO] [stdout]           /usr/bin/ld: cannot find -lcap
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcap`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ab2bdabe6d464674d3b5f024c748663bf86b79cdc58e6e9e93af00a3f6d7cc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2bdabe6d464674d3b5f024c748663bf86b79cdc58e6e9e93af00a3f6d7cc35", kill_on_drop: false }`
[INFO] [stdout] ab2bdabe6d464674d3b5f024c748663bf86b79cdc58e6e9e93af00a3f6d7cc35