[INFO] fetching crate mio-uds 0.6.8...
[INFO] testing mio-uds-0.6.8 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mio-uds 0.6.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mio-uds 0.6.8 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mio-uds 0.6.8
[INFO] finished tweaking crates.io crate mio-uds 0.6.8
[INFO] tweaked toml for crates.io crate mio-uds 0.6.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7189fd1125054b0c607389a392192a8ebcde463aed899f920feb3bf913be95a4
[INFO] running `"docker" "start" "-a" "7189fd1125054b0c607389a392192a8ebcde463aed899f920feb3bf913be95a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mio-uds v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let fd = try!(Socket::new(libc::SOCK_DGRAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let (a, b) = try!(Socket::pair(libc::SOCK_DGRAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let stream = try!(net::UnixDatagram::unbound());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let fd = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(cvt(libc::listen(fd.fd(), 128)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match try!(self.accept_std()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let fd = Socket { fd: try!(cvt(libc::socket(libc::AF_UNIX, ty, 0))) };
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(cvt(libc::ioctl(fd.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             try!(cvt(libc::ioctl(fd.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             try!(cvt(libc::socketpair(libc::AF_UNIX, ty, 0, fds.as_mut_ptr())));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(cvt(libc::ioctl(a.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(cvt(libc::ioctl(b.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             try!(cvt(libc::ioctl(a.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(cvt(libc::ioctl(b.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let socket = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/socket.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "7189fd1125054b0c607389a392192a8ebcde463aed899f920feb3bf913be95a4"`
[INFO] running `"docker" "rm" "-f" "7189fd1125054b0c607389a392192a8ebcde463aed899f920feb3bf913be95a4"`
[INFO] [stdout] 7189fd1125054b0c607389a392192a8ebcde463aed899f920feb3bf913be95a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84c9ff90ec96663c76e72df8de12c6b9b06c70787fe1cff47f1aa966be9387e8
[INFO] running `"docker" "start" "-a" "84c9ff90ec96663c76e72df8de12c6b9b06c70787fe1cff47f1aa966be9387e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mio-uds v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let fd = try!(Socket::new(libc::SOCK_DGRAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let (a, b) = try!(Socket::pair(libc::SOCK_DGRAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let stream = try!(net::UnixDatagram::unbound());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let fd = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(cvt(libc::listen(fd.fd(), 128)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match try!(self.accept_std()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let fd = Socket { fd: try!(cvt(libc::socket(libc::AF_UNIX, ty, 0))) };
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(cvt(libc::ioctl(fd.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             try!(cvt(libc::ioctl(fd.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             try!(cvt(libc::socketpair(libc::AF_UNIX, ty, 0, fds.as_mut_ptr())));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(cvt(libc::ioctl(a.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(cvt(libc::ioctl(b.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             try!(cvt(libc::ioctl(a.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(cvt(libc::ioctl(b.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let socket = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/socket.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let fd = try!(Socket::new(libc::SOCK_DGRAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let (a, b) = try!(Socket::pair(libc::SOCK_DGRAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let stream = try!(net::UnixDatagram::unbound());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let fd = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(cvt(libc::listen(fd.fd(), 128)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match try!(self.accept_std()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let fd = Socket { fd: try!(cvt(libc::socket(libc::AF_UNIX, ty, 0))) };
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(cvt(libc::ioctl(fd.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             try!(cvt(libc::ioctl(fd.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             try!(cvt(libc::socketpair(libc::AF_UNIX, ty, 0, fds.as_mut_ptr())));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(cvt(libc::ioctl(a.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(cvt(libc::ioctl(b.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             try!(cvt(libc::ioctl(a.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(cvt(libc::ioctl(b.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let socket = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/socket.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "84c9ff90ec96663c76e72df8de12c6b9b06c70787fe1cff47f1aa966be9387e8"`
[INFO] running `"docker" "rm" "-f" "84c9ff90ec96663c76e72df8de12c6b9b06c70787fe1cff47f1aa966be9387e8"`
[INFO] [stdout] 84c9ff90ec96663c76e72df8de12c6b9b06c70787fe1cff47f1aa966be9387e8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] edc4a2123f5849d67d42b84975000cf0fce8fb4d6108643f2ff80be557007bd5
[INFO] running `"docker" "start" "-a" "edc4a2123f5849d67d42b84975000cf0fce8fb4d6108643f2ff80be557007bd5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let fd = try!(Socket::new(libc::SOCK_DGRAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let (a, b) = try!(Socket::pair(libc::SOCK_DGRAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let stream = try!(net::UnixDatagram::unbound());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let fd = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(cvt(libc::listen(fd.fd(), 128)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match try!(self.accept_std()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let fd = Socket { fd: try!(cvt(libc::socket(libc::AF_UNIX, ty, 0))) };
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(cvt(libc::ioctl(fd.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             try!(cvt(libc::ioctl(fd.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             try!(cvt(libc::socketpair(libc::AF_UNIX, ty, 0, fds.as_mut_ptr())));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(cvt(libc::ioctl(a.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(cvt(libc::ioctl(b.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             try!(cvt(libc::ioctl(a.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(cvt(libc::ioctl(b.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let socket = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/socket.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let fd = try!(Socket::new(libc::SOCK_DGRAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let (a, b) = try!(Socket::pair(libc::SOCK_DGRAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let stream = try!(net::UnixDatagram::unbound());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/datagram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let fd = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(cvt(libc::bind(fd.fd(), addr, len)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(cvt(libc::listen(fd.fd(), 128)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/listener.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match try!(self.accept_std()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let fd = Socket { fd: try!(cvt(libc::socket(libc::AF_UNIX, ty, 0))) };
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(cvt(libc::ioctl(fd.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             try!(cvt(libc::ioctl(fd.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             try!(cvt(libc::socketpair(libc::AF_UNIX, ty, 0, fds.as_mut_ptr())));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(cvt(libc::ioctl(a.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(cvt(libc::ioctl(b.fd, libc::FIOCLEX)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/socket.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             try!(cvt(libc::ioctl(a.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(cvt(libc::ioctl(b.fd, libc::FIONBIO, &mut nonblocking)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (addr, len) = try!(sockaddr_un(path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let socket = try!(Socket::new(libc::SOCK_STREAM));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.set_nonblocking(true));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/socket.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio_uds-d1595ac533cdf939
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio-uds
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "edc4a2123f5849d67d42b84975000cf0fce8fb4d6108643f2ff80be557007bd5"`
[INFO] running `"docker" "rm" "-f" "edc4a2123f5849d67d42b84975000cf0fce8fb4d6108643f2ff80be557007bd5"`
[INFO] [stdout] edc4a2123f5849d67d42b84975000cf0fce8fb4d6108643f2ff80be557007bd5