[INFO] fetching crate syscalls-rust 0.3.0...
[INFO] testing syscalls-rust-0.3.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate syscalls-rust 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate syscalls-rust 0.3.0
[INFO] finished tweaking crates.io crate syscalls-rust 0.3.0
[INFO] tweaked toml for crates.io crate syscalls-rust 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syscalls-rust 0.3.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syscalls-rust 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7
[INFO] running `Command { std: "docker" "start" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syscalls-rust v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: invalid definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub unsafe fn read(fd: c_uint, buf: *mut c_char, count: size_t) -> ssize_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32, *mut std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32, *mut i8, u64) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stdout]    = note: `#[warn(invalid_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `write` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub unsafe fn write(fd: c_uint, buf: *const c_char, count: size_t) -> ssize_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32, *const std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32, *const i8, u64) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `open` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub unsafe fn open(filename: *const c_char, flags: c_int, mode: umode_t) -> c_long;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const i8, i32, ...) -> i32` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(*const i8, i32, u16) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "open")]`, or `#[link_name = "open"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `close` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub unsafe fn close(fd: c_uint) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32) -> i32` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32) -> i32`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "close")]`, or `#[link_name = "close"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `exit` symbol used by the standard library
[INFO] [stdout]    --> src/syscalls/linux.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub unsafe fn exit(error_code: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32) -> !` (for the current target)
[INFO] [stdout]             found    `unsafe extern "system" fn(i32)`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "exit")]`, or `#[link_name = "exit"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: invalid definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub unsafe fn read(fd: c_uint, buf: *mut c_char, count: size_t) -> ssize_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32, *mut std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32, *mut i8, u64) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stdout]    = note: `#[warn(invalid_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syscalls-rust v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: invalid definition of the runtime `write` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub unsafe fn write(fd: c_uint, buf: *const c_char, count: size_t) -> ssize_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32, *const std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32, *const i8, u64) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `open` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub unsafe fn open(filename: *const c_char, flags: c_int, mode: umode_t) -> c_long;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const i8, i32, ...) -> i32` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(*const i8, i32, u16) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "open")]`, or `#[link_name = "open"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `close` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub unsafe fn close(fd: c_uint) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32) -> i32` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32) -> i32`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "close")]`, or `#[link_name = "close"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `exit` symbol used by the standard library
[INFO] [stdout]    --> src/syscalls/linux.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub unsafe fn exit(error_code: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32) -> !` (for the current target)
[INFO] [stdout]             found    `unsafe extern "system" fn(i32)`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "exit")]`, or `#[link_name = "exit"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub unsafe fn read(fd: c_uint, buf: *mut c_char, count: size_t) -> ssize_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32, *mut std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32, *mut i8, u64) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stdout]    = note: `#[warn(invalid_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `write` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub unsafe fn write(fd: c_uint, buf: *const c_char, count: size_t) -> ssize_t;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32, *const std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32, *const i8, u64) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `open` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub unsafe fn open(filename: *const c_char, flags: c_int, mode: umode_t) -> c_long;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const i8, i32, ...) -> i32` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(*const i8, i32, u16) -> i64`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "open")]`, or `#[link_name = "open"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `close` symbol used by the standard library
[INFO] [stdout]   --> src/syscalls/linux.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub unsafe fn close(fd: c_uint) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(i32) -> i32` (for the current target)
[INFO] [stdout]            found    `unsafe extern "system" fn(u32) -> i32`
[INFO] [stdout]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "close")]`, or `#[link_name = "close"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: invalid definition of the runtime `exit` symbol used by the standard library
[INFO] [stdout]    --> src/syscalls/linux.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub unsafe fn exit(error_code: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32) -> !` (for the current target)
[INFO] [stdout]             found    `unsafe extern "system" fn(i32)`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "exit")]`, or `#[link_name = "exit"]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: invalid definition of the runtime `read` symbol used by the standard library
[INFO] [stderr]   --> src/syscalls/linux.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub unsafe fn read(fd: c_uint, buf: *mut c_char, count: size_t) -> ssize_t;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(i32, *mut std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stderr]            found    `unsafe extern "system" fn(u32, *mut i8, u64) -> i64`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stderr]    = note: `#[warn(invalid_runtime_symbol_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: invalid definition of the runtime `write` symbol used by the standard library
[INFO] [stderr]   --> src/syscalls/linux.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub unsafe fn write(fd: c_uint, buf: *const c_char, count: size_t) -> ssize_t;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(i32, *const std::ffi::c_void, usize) -> isize` (for the current target)
[INFO] [stderr]            found    `unsafe extern "system" fn(u32, *const i8, u64) -> i64`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stderr] 
[INFO] [stderr] warning: invalid definition of the runtime `open` symbol used by the standard library
[INFO] [stderr]   --> src/syscalls/linux.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub unsafe fn open(filename: *const c_char, flags: c_int, mode: umode_t) -> c_long;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(*const i8, i32, ...) -> i32` (for the current target)
[INFO] [stderr]            found    `unsafe extern "system" fn(*const i8, i32, u16) -> i64`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "open")]`, or `#[link_name = "open"]`
[INFO] [stderr] 
[INFO] [stderr] warning: invalid definition of the runtime `close` symbol used by the standard library
[INFO] [stderr]   --> src/syscalls/linux.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub unsafe fn close(fd: c_uint) -> c_int;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(i32) -> i32` (for the current target)
[INFO] [stderr]            found    `unsafe extern "system" fn(u32) -> i32`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "close")]`, or `#[link_name = "close"]`
[INFO] [stderr] 
[INFO] [stderr] warning: invalid definition of the runtime `exit` symbol used by the standard library
[INFO] [stderr]    --> src/syscalls/linux.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub unsafe fn exit(error_code: c_int);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected `unsafe extern "C" fn(i32) -> !` (for the current target)
[INFO] [stderr]             found    `unsafe extern "system" fn(i32)`
[INFO] [stderr]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "exit")]`, or `#[link_name = "exit"]`
[INFO] [stderr] 
[INFO] [stderr] warning: `syscalls-rust` (lib) generated 5 warnings
[INFO] [stderr] warning: `syscalls-rust` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syscalls_rust-8e6abd24e568c37c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_umask ... ok
[INFO] [stdout] test test::test_fork ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syscalls_rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7", kill_on_drop: false }`
[INFO] [stdout] 230c91d4ad9ceb269769160b2bd1a5531c2cb432df64deb5a22c422513769fd7
