[INFO] fetching crate rcap 0.1.4...
[INFO] checking rcap-0.1.4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rcap 0.1.4 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate rcap 0.1.4 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c9764f05c86dd2208b4425ca81a9769f12ac4dc197f6bfe5326e44209a658e
[INFO] running `Command { std: "docker" "start" "-a" "53c9764f05c86dd2208b4425ca81a9769f12ac4dc197f6bfe5326e44209a658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c9764f05c86dd2208b4425ca81a9769f12ac4dc197f6bfe5326e44209a658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c9764f05c86dd2208b4425ca81a9769f12ac4dc197f6bfe5326e44209a658e", kill_on_drop: false }`
[INFO] [stdout] 53c9764f05c86dd2208b4425ca81a9769f12ac4dc197f6bfe5326e44209a658e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e828b7bb65fba4f1bbe6a5a5f273d31063e5eb85ab09d5464aa760c0c228aa77
[INFO] running `Command { std: "docker" "start" "-a" "e828b7bb65fba4f1bbe6a5a5f273d31063e5eb85ab09d5464aa760c0c228aa77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[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: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: 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: `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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "e828b7bb65fba4f1bbe6a5a5f273d31063e5eb85ab09d5464aa760c0c228aa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e828b7bb65fba4f1bbe6a5a5f273d31063e5eb85ab09d5464aa760c0c228aa77", kill_on_drop: false }`
[INFO] [stdout] e828b7bb65fba4f1bbe6a5a5f273d31063e5eb85ab09d5464aa760c0c228aa77