Nov 30 15:16:37.095 INFO checking socket-0.0.7 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:16:37.095 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 15:16:37.407 INFO [stdout] 6ee59d5a8885413deffc50877bb03564a0ad4c6a138fb9cfb046cc86de8ffcb4
Nov 30 15:16:37.411 INFO running `"docker" "start" "-a" "6ee59d5a8885413deffc50877bb03564a0ad4c6a138fb9cfb046cc86de8ffcb4"`
Nov 30 15:16:38.549 INFO [stderr] usermod: no changes
Nov 30 15:16:38.627 INFO [stderr]     Checking socket v0.0.7 (/source)
Nov 30 15:16:39.472 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 15:16:39.472 INFO [stderr]   --> src/lib.rs:39:21
Nov 30 15:16:39.472 INFO [stderr]    |
Nov 30 15:16:39.472 INFO [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
Nov 30 15:16:39.472 INFO [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
Nov 30 15:16:39.472 INFO [stderr] ...
Nov 30 15:16:39.472 INFO [stderr] 81 |     unsafe {
Nov 30 15:16:39.472 INFO [stderr]    |     ------ because it's nested under this `unsafe` block
Nov 30 15:16:39.472 INFO [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
Nov 30 15:16:39.472 INFO [stderr] 83 |         _try!(c_socketpair, domain as c_int, type_ as c_int, protocol as c_int, &mut fds as *mut [c_int]);
Nov 30 15:16:39.472 INFO [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
Nov 30 15:16:39.472 INFO [stderr]    |
Nov 30 15:16:39.472 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 30 15:16:39.472 INFO [stderr] 
Nov 30 15:16:39.472 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 15:16:39.472 INFO [stderr]    --> src/lib.rs:39:21
Nov 30 15:16:39.472 INFO [stderr]     |
Nov 30 15:16:39.473 INFO [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
Nov 30 15:16:39.473 INFO [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
Nov 30 15:16:39.473 INFO [stderr] ...
Nov 30 15:16:39.473 INFO [stderr] 129 |           unsafe {
Nov 30 15:16:39.473 INFO [stderr]     |           ------ because it's nested under this `unsafe` block
Nov 30 15:16:39.473 INFO [stderr] 130 |               let value = &value as *const T as *const c_void;
Nov 30 15:16:39.473 INFO [stderr] 131 | /             _try!(
Nov 30 15:16:39.473 INFO [stderr] 132 | |                 setsockopt,
Nov 30 15:16:39.473 INFO [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
Nov 30 15:16:39.473 INFO [stderr]     | |_______________________________________________________________________________- in this macro invocation
Nov 30 15:16:39.473 INFO [stderr] 
Nov 30 15:16:39.473 INFO [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
Nov 30 15:16:39.473 INFO [stderr]   --> src/lib.rs:49:71
Nov 30 15:16:39.473 INFO [stderr]    |
Nov 30 15:16:39.473 INFO [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
Nov 30 15:16:39.473 INFO [stderr]    |                                                                       ^^^^^^^^^^^^
Nov 30 15:16:39.473 INFO [stderr]    |
Nov 30 15:16:39.473 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Nov 30 15:16:39.473 INFO [stderr]    = help: consider using a raw pointer instead
Nov 30 15:16:39.473 INFO [stderr] 
Nov 30 15:16:39.659 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 15:16:39.659 INFO [stderr]   --> src/lib.rs:39:21
Nov 30 15:16:39.659 INFO [stderr]    |
Nov 30 15:16:39.659 INFO [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
Nov 30 15:16:39.659 INFO [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
Nov 30 15:16:39.659 INFO [stderr] ...
Nov 30 15:16:39.659 INFO [stderr] 81 |     unsafe {
Nov 30 15:16:39.659 INFO [stderr]    |     ------ because it's nested under this `unsafe` block
Nov 30 15:16:39.659 INFO [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
Nov 30 15:16:39.659 INFO [stderr] 83 |         _try!(c_socketpair, domain as c_int, type_ as c_int, protocol as c_int, &mut fds as *mut [c_int]);
Nov 30 15:16:39.659 INFO [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
Nov 30 15:16:39.659 INFO [stderr]    |
Nov 30 15:16:39.659 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Nov 30 15:16:39.659 INFO [stderr] 
Nov 30 15:16:39.659 INFO [stderr] warning: unnecessary `unsafe` block
Nov 30 15:16:39.660 INFO [stderr]    --> src/lib.rs:39:21
Nov 30 15:16:39.660 INFO [stderr]     |
Nov 30 15:16:39.660 INFO [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
Nov 30 15:16:39.660 INFO [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
Nov 30 15:16:39.660 INFO [stderr] ...
Nov 30 15:16:39.660 INFO [stderr] 129 |           unsafe {
Nov 30 15:16:39.660 INFO [stderr]     |           ------ because it's nested under this `unsafe` block
Nov 30 15:16:39.660 INFO [stderr] 130 |               let value = &value as *const T as *const c_void;
Nov 30 15:16:39.660 INFO [stderr] 131 | /             _try!(
Nov 30 15:16:39.660 INFO [stderr] 132 | |                 setsockopt,
Nov 30 15:16:39.660 INFO [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
Nov 30 15:16:39.660 INFO [stderr]     | |_______________________________________________________________________________- in this macro invocation
Nov 30 15:16:39.660 INFO [stderr] 
Nov 30 15:16:39.661 INFO [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
Nov 30 15:16:39.661 INFO [stderr]   --> src/lib.rs:49:71
Nov 30 15:16:39.661 INFO [stderr]    |
Nov 30 15:16:39.661 INFO [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
Nov 30 15:16:39.661 INFO [stderr]    |                                                                       ^^^^^^^^^^^^
Nov 30 15:16:39.661 INFO [stderr]    |
Nov 30 15:16:39.661 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Nov 30 15:16:39.661 INFO [stderr]    = help: consider using a raw pointer instead
Nov 30 15:16:39.661 INFO [stderr] 
Nov 30 15:16:39.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 15:16:39.664 INFO [stderr]    --> src/lib.rs:370:9
Nov 30 15:16:39.664 INFO [stderr]     |
Nov 30 15:16:39.664 INFO [stderr] 370 |         thread.join();
Nov 30 15:16:39.664 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 30 15:16:39.664 INFO [stderr]     |
Nov 30 15:16:39.664 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 15:16:39.664 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 15:16:39.664 INFO [stderr] 
Nov 30 15:16:39.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 15:16:39.664 INFO [stderr]    --> src/lib.rs:384:9
Nov 30 15:16:39.664 INFO [stderr]     |
Nov 30 15:16:39.664 INFO [stderr] 384 |         thread.join();
Nov 30 15:16:39.664 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 30 15:16:39.664 INFO [stderr]     |
Nov 30 15:16:39.664 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 15:16:39.664 INFO [stderr] 
Nov 30 15:16:39.685 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Nov 30 15:16:39.692 INFO [stderr] su: No module specific data is present
Nov 30 15:16:40.358 INFO running `"docker" "inspect" "6ee59d5a8885413deffc50877bb03564a0ad4c6a138fb9cfb046cc86de8ffcb4"`
Nov 30 15:16:40.578 INFO running `"docker" "rm" "-f" "6ee59d5a8885413deffc50877bb03564a0ad4c6a138fb9cfb046cc86de8ffcb4"`
Nov 30 15:16:40.704 INFO [stdout] 6ee59d5a8885413deffc50877bb03564a0ad4c6a138fb9cfb046cc86de8ffcb4