[INFO] crate socket 0.0.7 is already in cache
[INFO] extracting crate socket 0.0.7 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/socket/0.0.7
[INFO] extracting crate socket 0.0.7 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/socket/0.0.7
[INFO] validating manifest of socket-0.0.7 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of socket-0.0.7 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing socket-0.0.7
[INFO] finished frobbing socket-0.0.7
[INFO] frobbed toml for socket-0.0.7 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/socket/0.0.7/Cargo.toml
[INFO] started frobbing socket-0.0.7
[INFO] finished frobbing socket-0.0.7
[INFO] frobbed toml for socket-0.0.7 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/socket/0.0.7/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking socket-0.0.7 against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-1/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/socket/0.0.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+06a150c7d11500b41499224f165e9de1de096768-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2031f7c8d17ee357bbca6c7c06dec24589119b7db98652a6af4c4350be6e7229
[INFO] running `"docker" "start" "-a" "2031f7c8d17ee357bbca6c7c06dec24589119b7db98652a6af4c4350be6e7229"`
[INFO] [stderr]     Checking socket v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
[INFO] [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 81 |     unsafe {
[INFO] [stderr]    |     ------ because it's nested under this `unsafe` block
[INFO] [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
[INFO] [stderr] 83 |         _try!(c_socketpair, domain as c_int, type_ as c_int, protocol as c_int, &mut fds as *mut [c_int]);
[INFO] [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:39:21
[INFO] [stderr]     |
[INFO] [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
[INFO] [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 129 |           unsafe {
[INFO] [stderr]     |           ------ because it's nested under this `unsafe` block
[INFO] [stderr] 130 |               let value = &value as *const T as *const c_void;
[INFO] [stderr] 131 | /             _try!(
[INFO] [stderr] 132 | |                 setsockopt,
[INFO] [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
[INFO] [stderr]     | |_______________________________________________________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
[INFO] [stderr]   --> src/lib.rs:49:71
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(improper_ctypes)] on by default
[INFO] [stderr]    = help: consider using a raw pointer instead
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let value = unsafe { $fun($($x,)*) };
[INFO] [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 81 |     unsafe {
[INFO] [stderr]    |     ------ because it's nested under this `unsafe` block
[INFO] [stderr] 82 |         let mut fds: [c_int; 2] = mem::zeroed();
[INFO] [stderr] 83 |         _try!(c_socketpair, domain as c_int, type_ as c_int, protocol as c_int, &mut fds as *mut [c_int]);
[INFO] [stderr]    |         -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:39:21
[INFO] [stderr]     |
[INFO] [stderr] 39  |           let value = unsafe { $fun($($x,)*) };
[INFO] [stderr]     |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 129 |           unsafe {
[INFO] [stderr]     |           ------ because it's nested under this `unsafe` block
[INFO] [stderr] 130 |               let value = &value as *const T as *const c_void;
[INFO] [stderr] 131 | /             _try!(
[INFO] [stderr] 132 | |                 setsockopt,
[INFO] [stderr] 133 | |                 self.fd, level, name, value, mem::size_of::<T>() as socklen_t);
[INFO] [stderr]     | |_______________________________________________________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[i32]` which is not FFI-safe: slices have no C equivalent
[INFO] [stderr]   --> src/lib.rs:49:71
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn c_socketpair(domain: c_int, type_: c_int, protocol: c_int, sv: *mut [c_int]) -> c_int;
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(improper_ctypes)] on by default
[INFO] [stderr]    = help: consider using a raw pointer instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:370:9
[INFO] [stderr]     |
[INFO] [stderr] 370 |         thread.join();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         thread.join();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "2031f7c8d17ee357bbca6c7c06dec24589119b7db98652a6af4c4350be6e7229"`
[INFO] running `"docker" "rm" "-f" "2031f7c8d17ee357bbca6c7c06dec24589119b7db98652a6af4c4350be6e7229"`
[INFO] [stdout] 2031f7c8d17ee357bbca6c7c06dec24589119b7db98652a6af4c4350be6e7229