Dec 18 11:03:34.838 INFO checking socket-0.0.7 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:03:34.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/socket/0.0.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:03:35.227 INFO [stdout] 598ef78405b26b0e8507c4b0b724b5dc96c643cf90d75c2ac4848b198986849a
Dec 18 11:03:35.236 INFO running `"docker" "start" "-a" "598ef78405b26b0e8507c4b0b724b5dc96c643cf90d75c2ac4848b198986849a"`
Dec 18 11:03:36.000 INFO [stderr]     Checking socket v0.0.7 (/opt/crater/workdir)
Dec 18 11:03:36.442 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 11:03:36.442 INFO [stderr]   --> src/lib.rs:39:21
Dec 18 11:03:36.442 INFO [stderr]    |
Dec 18 11:03:36.442 INFO [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
Dec 18 11:03:36.442 INFO [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
Dec 18 11:03:36.442 INFO [stderr] ...
Dec 18 11:03:36.442 INFO [stderr] 81 |     unsafe {
Dec 18 11:03:36.442 INFO [stderr]    |     ------ because it's nested under this `unsafe` block
Dec 18 11:03:36.442 INFO [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
Dec 18 11:03:36.442 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 18 11:03:36.443 INFO [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
Dec 18 11:03:36.443 INFO [stderr]    |
Dec 18 11:03:36.443 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 18 11:03:36.443 INFO [stderr] 
Dec 18 11:03:36.443 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 11:03:36.443 INFO [stderr]    --> src/lib.rs:39:21
Dec 18 11:03:36.443 INFO [stderr]     |
Dec 18 11:03:36.443 INFO [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
Dec 18 11:03:36.443 INFO [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
Dec 18 11:03:36.443 INFO [stderr] ...
Dec 18 11:03:36.443 INFO [stderr] 129 |           unsafe {
Dec 18 11:03:36.443 INFO [stderr]     |           ------ because it's nested under this `unsafe` block
Dec 18 11:03:36.443 INFO [stderr] 130 |               let value = &value as *const T as *const c_void;
Dec 18 11:03:36.443 INFO [stderr] 131 | /             _try!(
Dec 18 11:03:36.443 INFO [stderr] 132 | |                 setsockopt,
Dec 18 11:03:36.443 INFO [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
Dec 18 11:03:36.443 INFO [stderr]     | |_______________________________________________________________________________- in this macro invocation
Dec 18 11:03:36.443 INFO [stderr] 
Dec 18 11:03:36.444 INFO [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
Dec 18 11:03:36.444 INFO [stderr]   --> src/lib.rs:49:71
Dec 18 11:03:36.444 INFO [stderr]    |
Dec 18 11:03:36.444 INFO [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
Dec 18 11:03:36.444 INFO [stderr]    |                                                                       ^^^^^^^^^^^^
Dec 18 11:03:36.444 INFO [stderr]    |
Dec 18 11:03:36.444 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 18 11:03:36.444 INFO [stderr]    = help: consider using a raw pointer instead
Dec 18 11:03:36.444 INFO [stderr] 
Dec 18 11:03:36.501 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 11:03:36.501 INFO [stderr]   --> src/lib.rs:39:21
Dec 18 11:03:36.501 INFO [stderr]    |
Dec 18 11:03:36.501 INFO [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
Dec 18 11:03:36.501 INFO [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
Dec 18 11:03:36.501 INFO [stderr] ...
Dec 18 11:03:36.501 INFO [stderr] 81 |     unsafe {
Dec 18 11:03:36.501 INFO [stderr]    |     ------ because it's nested under this `unsafe` block
Dec 18 11:03:36.501 INFO [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
Dec 18 11:03:36.501 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 18 11:03:36.501 INFO [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
Dec 18 11:03:36.501 INFO [stderr]    |
Dec 18 11:03:36.501 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 18 11:03:36.501 INFO [stderr] 
Dec 18 11:03:36.501 INFO [stderr] warning: unnecessary `unsafe` block
Dec 18 11:03:36.501 INFO [stderr]    --> src/lib.rs:39:21
Dec 18 11:03:36.501 INFO [stderr]     |
Dec 18 11:03:36.501 INFO [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
Dec 18 11:03:36.501 INFO [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
Dec 18 11:03:36.501 INFO [stderr] ...
Dec 18 11:03:36.501 INFO [stderr] 129 |           unsafe {
Dec 18 11:03:36.501 INFO [stderr]     |           ------ because it's nested under this `unsafe` block
Dec 18 11:03:36.502 INFO [stderr] 130 |               let value = &value as *const T as *const c_void;
Dec 18 11:03:36.502 INFO [stderr] 131 | /             _try!(
Dec 18 11:03:36.502 INFO [stderr] 132 | |                 setsockopt,
Dec 18 11:03:36.502 INFO [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
Dec 18 11:03:36.502 INFO [stderr]     | |_______________________________________________________________________________- in this macro invocation
Dec 18 11:03:36.502 INFO [stderr] 
Dec 18 11:03:36.503 INFO [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
Dec 18 11:03:36.503 INFO [stderr]   --> src/lib.rs:49:71
Dec 18 11:03:36.503 INFO [stderr]    |
Dec 18 11:03:36.503 INFO [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
Dec 18 11:03:36.503 INFO [stderr]    |                                                                       ^^^^^^^^^^^^
Dec 18 11:03:36.503 INFO [stderr]    |
Dec 18 11:03:36.503 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 18 11:03:36.503 INFO [stderr]    = help: consider using a raw pointer instead
Dec 18 11:03:36.503 INFO [stderr] 
Dec 18 11:03:36.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:03:36.505 INFO [stderr]    --> src/lib.rs:370:9
Dec 18 11:03:36.505 INFO [stderr]     |
Dec 18 11:03:36.505 INFO [stderr] 370 |         thread.join();
Dec 18 11:03:36.505 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 18 11:03:36.505 INFO [stderr]     |
Dec 18 11:03:36.505 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 11:03:36.505 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:03:36.506 INFO [stderr] 
Dec 18 11:03:36.506 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:03:36.506 INFO [stderr]    --> src/lib.rs:384:9
Dec 18 11:03:36.506 INFO [stderr]     |
Dec 18 11:03:36.506 INFO [stderr] 384 |         thread.join();
Dec 18 11:03:36.506 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 18 11:03:36.506 INFO [stderr]     |
Dec 18 11:03:36.506 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:03:36.506 INFO [stderr] 
Dec 18 11:03:36.525 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 18 11:03:36.853 INFO running `"docker" "inspect" "598ef78405b26b0e8507c4b0b724b5dc96c643cf90d75c2ac4848b198986849a"`
Dec 18 11:03:36.923 INFO running `"docker" "rm" "-f" "598ef78405b26b0e8507c4b0b724b5dc96c643cf90d75c2ac4848b198986849a"`
Dec 18 11:03:37.018 INFO [stdout] 598ef78405b26b0e8507c4b0b724b5dc96c643cf90d75c2ac4848b198986849a