Dec 12 07:17:44.726 INFO checking socket-0.0.7 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:17:44.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:17:45.140 INFO [stdout] 72fc907921a2b38bebe0dd56f7cf24ec5c0a93a68cc51919c6e153d1a71a9d47
Dec 12 07:17:45.148 INFO running `"docker" "start" "-a" "72fc907921a2b38bebe0dd56f7cf24ec5c0a93a68cc51919c6e153d1a71a9d47"`
Dec 12 07:17:46.883 INFO [stderr] usermod: no changes
Dec 12 07:17:47.004 INFO [stderr]     Checking socket v0.0.7 (/source)
Dec 12 07:17:48.744 INFO [stderr] warning: unnecessary `unsafe` block
Dec 12 07:17:48.744 INFO [stderr]   --> src/lib.rs:39:21
Dec 12 07:17:48.744 INFO [stderr]    |
Dec 12 07:17:48.744 INFO [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
Dec 12 07:17:48.744 INFO [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
Dec 12 07:17:48.744 INFO [stderr] ...
Dec 12 07:17:48.744 INFO [stderr] 81 |     unsafe {
Dec 12 07:17:48.744 INFO [stderr]    |     ------ because it's nested under this `unsafe` block
Dec 12 07:17:48.744 INFO [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
Dec 12 07:17:48.744 INFO [stderr] 83 |         _try!(c_socketpair, domain as c_int, type_ as c_int, protocol as c_int, &mut fds as *mut [c_int]);
Dec 12 07:17:48.744 INFO [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
Dec 12 07:17:48.744 INFO [stderr]    |
Dec 12 07:17:48.744 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 12 07:17:48.744 INFO [stderr] 
Dec 12 07:17:48.745 INFO [stderr] warning: unnecessary `unsafe` block
Dec 12 07:17:48.745 INFO [stderr]    --> src/lib.rs:39:21
Dec 12 07:17:48.745 INFO [stderr]     |
Dec 12 07:17:48.745 INFO [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
Dec 12 07:17:48.745 INFO [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
Dec 12 07:17:48.745 INFO [stderr] ...
Dec 12 07:17:48.745 INFO [stderr] 129 |           unsafe {
Dec 12 07:17:48.745 INFO [stderr]     |           ------ because it's nested under this `unsafe` block
Dec 12 07:17:48.745 INFO [stderr] 130 |               let value = &value as *const T as *const c_void;
Dec 12 07:17:48.745 INFO [stderr] 131 | /             _try!(
Dec 12 07:17:48.745 INFO [stderr] 132 | |                 setsockopt,
Dec 12 07:17:48.745 INFO [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
Dec 12 07:17:48.745 INFO [stderr]     | |_______________________________________________________________________________- in this macro invocation
Dec 12 07:17:48.745 INFO [stderr] 
Dec 12 07:17:48.745 INFO [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
Dec 12 07:17:48.745 INFO [stderr]   --> src/lib.rs:49:71
Dec 12 07:17:48.745 INFO [stderr]    |
Dec 12 07:17:48.745 INFO [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
Dec 12 07:17:48.745 INFO [stderr]    |                                                                       ^^^^^^^^^^^^
Dec 12 07:17:48.745 INFO [stderr]    |
Dec 12 07:17:48.745 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 12 07:17:48.745 INFO [stderr]    = help: consider using a raw pointer instead
Dec 12 07:17:48.745 INFO [stderr] 
Dec 12 07:17:48.926 INFO [stderr] warning: unnecessary `unsafe` block
Dec 12 07:17:48.926 INFO [stderr]   --> src/lib.rs:39:21
Dec 12 07:17:48.926 INFO [stderr]    |
Dec 12 07:17:48.926 INFO [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
Dec 12 07:17:48.926 INFO [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
Dec 12 07:17:48.926 INFO [stderr] ...
Dec 12 07:17:48.926 INFO [stderr] 81 |     unsafe {
Dec 12 07:17:48.926 INFO [stderr]    |     ------ because it's nested under this `unsafe` block
Dec 12 07:17:48.926 INFO [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
Dec 12 07:17:48.926 INFO [stderr] 83 |         _try!(c_socketpair, domain as c_int, type_ as c_int, protocol as c_int, &mut fds as *mut [c_int]);
Dec 12 07:17:48.926 INFO [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
Dec 12 07:17:48.926 INFO [stderr]    |
Dec 12 07:17:48.926 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 12 07:17:48.926 INFO [stderr] 
Dec 12 07:17:48.926 INFO [stderr] warning: unnecessary `unsafe` block
Dec 12 07:17:48.926 INFO [stderr]    --> src/lib.rs:39:21
Dec 12 07:17:48.926 INFO [stderr]     |
Dec 12 07:17:48.926 INFO [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
Dec 12 07:17:48.926 INFO [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
Dec 12 07:17:48.926 INFO [stderr] ...
Dec 12 07:17:48.926 INFO [stderr] 129 |           unsafe {
Dec 12 07:17:48.926 INFO [stderr]     |           ------ because it's nested under this `unsafe` block
Dec 12 07:17:48.926 INFO [stderr] 130 |               let value = &value as *const T as *const c_void;
Dec 12 07:17:48.926 INFO [stderr] 131 | /             _try!(
Dec 12 07:17:48.926 INFO [stderr] 132 | |                 setsockopt,
Dec 12 07:17:48.926 INFO [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
Dec 12 07:17:48.926 INFO [stderr]     | |_______________________________________________________________________________- in this macro invocation
Dec 12 07:17:48.926 INFO [stderr] 
Dec 12 07:17:48.926 INFO [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
Dec 12 07:17:48.926 INFO [stderr]   --> src/lib.rs:49:71
Dec 12 07:17:48.926 INFO [stderr]    |
Dec 12 07:17:48.926 INFO [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
Dec 12 07:17:48.926 INFO [stderr]    |                                                                       ^^^^^^^^^^^^
Dec 12 07:17:48.926 INFO [stderr]    |
Dec 12 07:17:48.926 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 12 07:17:48.926 INFO [stderr]    = help: consider using a raw pointer instead
Dec 12 07:17:48.926 INFO [stderr] 
Dec 12 07:17:48.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:17:48.926 INFO [stderr]    --> src/lib.rs:370:9
Dec 12 07:17:48.926 INFO [stderr]     |
Dec 12 07:17:48.926 INFO [stderr] 370 |         thread.join();
Dec 12 07:17:48.926 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 12 07:17:48.926 INFO [stderr]     |
Dec 12 07:17:48.926 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 07:17:48.926 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:17:48.926 INFO [stderr] 
Dec 12 07:17:48.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 07:17:48.926 INFO [stderr]    --> src/lib.rs:384:9
Dec 12 07:17:48.926 INFO [stderr]     |
Dec 12 07:17:48.926 INFO [stderr] 384 |         thread.join();
Dec 12 07:17:48.926 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 12 07:17:48.926 INFO [stderr]     |
Dec 12 07:17:48.926 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 07:17:48.926 INFO [stderr] 
Dec 12 07:17:48.937 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
Dec 12 07:17:48.940 INFO [stderr] su: No module specific data is present
Dec 12 07:17:49.642 INFO running `"docker" "inspect" "72fc907921a2b38bebe0dd56f7cf24ec5c0a93a68cc51919c6e153d1a71a9d47"`
Dec 12 07:17:49.992 INFO running `"docker" "rm" "-f" "72fc907921a2b38bebe0dd56f7cf24ec5c0a93a68cc51919c6e153d1a71a9d47"`
Dec 12 07:17:50.307 INFO [stdout] 72fc907921a2b38bebe0dd56f7cf24ec5c0a93a68cc51919c6e153d1a71a9d47