[INFO] fetching crate netio 0.6.1...
[INFO] testing netio-0.6.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate netio 0.6.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate netio 0.6.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate netio 0.6.1
[INFO] finished tweaking crates.io crate netio 0.6.1
[INFO] tweaked toml for crates.io crate netio 0.6.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-06-03" "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] 22d0682c8b38ac8be12d23b39bd744e809a3eb40ebe84af1a10e99faeee9fd3d
[INFO] running `"docker" "start" "-a" "22d0682c8b38ac8be12d23b39bd744e809a3eb40ebe84af1a10e99faeee9fd3d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling netio v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls/mod.rs:151:15
[INFO] [stderr]     |
[INFO] [stderr] 151 |         match try!(self.read_into_buf()) {
[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/adapt/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if try!(self.inner.fill_buf()).is_empty() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let n = try!(self.inner.read(&mut buf[..max]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:189:45
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if self.limit == 0 || self.limit == try!(self.fill_buf()).len() as u64 {
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:193:19
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let amt = try!(self.inner.write(&buf[..amt]));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |             match try!(self.first.read(buf)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |             match try!(self.first.fill_buf()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             match try!(self.vec[0].read(buf)) {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/iter.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |             if try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |             (buf.len(), try!(utf8_valid_up_to(buf)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:53
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:43
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:171:28
[INFO] [stderr]     |
[INFO] [stderr] 171 |             valid_up_to += try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:242:33
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let available = try!(self.fill_buf_str());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(self.grow_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:321:21
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(self.fill_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 let available = try!(BufRead::fill_buf(self));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buf.write(available))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let len = try!(self.fill_buf()).len();
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 while try!(self.grow_buf()).len() < size {}
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:76
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:45
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:76
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             try!(writer.write(buf))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:95:35
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let written = try!(writer.write(&buf[..i + 1]));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 None => (false, try!(writer.write(buf))),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mock.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let amt = try!(self.inner.read(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/bufread.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 41 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `"docker" "inspect" "22d0682c8b38ac8be12d23b39bd744e809a3eb40ebe84af1a10e99faeee9fd3d"`
[INFO] running `"docker" "rm" "-f" "22d0682c8b38ac8be12d23b39bd744e809a3eb40ebe84af1a10e99faeee9fd3d"`
[INFO] [stdout] 22d0682c8b38ac8be12d23b39bd744e809a3eb40ebe84af1a10e99faeee9fd3d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-06-03" "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] 7078a45d1a8f3def4271b29bb48efe657ab9aae7aa2288cc79e2a18df5b0c8e7
[INFO] running `"docker" "start" "-a" "7078a45d1a8f3def4271b29bb48efe657ab9aae7aa2288cc79e2a18df5b0c8e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling netio v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls/mod.rs:151:15
[INFO] [stderr]     |
[INFO] [stderr] 151 |         match try!(self.read_into_buf()) {
[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/adapt/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if try!(self.inner.fill_buf()).is_empty() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let n = try!(self.inner.read(&mut buf[..max]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:189:45
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if self.limit == 0 || self.limit == try!(self.fill_buf()).len() as u64 {
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:193:19
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let amt = try!(self.inner.write(&buf[..amt]));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |             match try!(self.first.read(buf)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |             match try!(self.first.fill_buf()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             match try!(self.vec[0].read(buf)) {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/iter.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |             if try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |             (buf.len(), try!(utf8_valid_up_to(buf)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:53
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:43
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:171:28
[INFO] [stderr]     |
[INFO] [stderr] 171 |             valid_up_to += try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:242:33
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let available = try!(self.fill_buf_str());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(self.grow_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:321:21
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(self.fill_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 let available = try!(BufRead::fill_buf(self));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buf.write(available))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let len = try!(self.fill_buf()).len();
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 while try!(self.grow_buf()).len() < size {}
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:76
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:45
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:76
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             try!(writer.write(buf))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:95:35
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let written = try!(writer.write(&buf[..i + 1]));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 None => (false, try!(writer.write(buf))),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mock.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let amt = try!(self.inner.read(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/bufread.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 41 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls/mod.rs:151:15
[INFO] [stderr]     |
[INFO] [stderr] 151 |         match try!(self.read_into_buf()) {
[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/adapt/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if try!(self.inner.fill_buf()).is_empty() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let n = try!(self.inner.read(&mut buf[..max]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:189:45
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if self.limit == 0 || self.limit == try!(self.fill_buf()).len() as u64 {
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:193:19
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let amt = try!(self.inner.write(&buf[..amt]));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |             match try!(self.first.read(buf)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |             match try!(self.first.fill_buf()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             match try!(self.vec[0].read(buf)) {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/iter.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |             if try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |             (buf.len(), try!(utf8_valid_up_to(buf)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:53
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:43
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:171:28
[INFO] [stderr]     |
[INFO] [stderr] 171 |             valid_up_to += try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:242:33
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let available = try!(self.fill_buf_str());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(self.grow_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:321:21
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(self.fill_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 let available = try!(BufRead::fill_buf(self));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buf.write(available))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let len = try!(self.fill_buf()).len();
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 while try!(self.grow_buf()).len() < size {}
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:76
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:45
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:76
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             try!(writer.write(buf))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:95:35
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let written = try!(writer.write(&buf[..i + 1]));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 None => (false, try!(writer.write(buf))),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mock.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let amt = try!(self.inner.read(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/bufread.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 41 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "7078a45d1a8f3def4271b29bb48efe657ab9aae7aa2288cc79e2a18df5b0c8e7"`
[INFO] running `"docker" "rm" "-f" "7078a45d1a8f3def4271b29bb48efe657ab9aae7aa2288cc79e2a18df5b0c8e7"`
[INFO] [stdout] 7078a45d1a8f3def4271b29bb48efe657ab9aae7aa2288cc79e2a18df5b0c8e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-06-03" "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] 32e74092f9e556e80c27d350146e8fbc5cf893ae95fd1c0f3fb25ea20efb6070
[INFO] running `"docker" "start" "-a" "32e74092f9e556e80c27d350146e8fbc5cf893ae95fd1c0f3fb25ea20efb6070"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls/mod.rs:151:15
[INFO] [stderr]     |
[INFO] [stderr] 151 |         match try!(self.read_into_buf()) {
[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/adapt/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if try!(self.inner.fill_buf()).is_empty() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let n = try!(self.inner.read(&mut buf[..max]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:189:45
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if self.limit == 0 || self.limit == try!(self.fill_buf()).len() as u64 {
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:193:19
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let amt = try!(self.inner.write(&buf[..amt]));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |             match try!(self.first.read(buf)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |             match try!(self.first.fill_buf()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             match try!(self.vec[0].read(buf)) {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/iter.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |             if try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |             (buf.len(), try!(utf8_valid_up_to(buf)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:53
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:43
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:171:28
[INFO] [stderr]     |
[INFO] [stderr] 171 |             valid_up_to += try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:242:33
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let available = try!(self.fill_buf_str());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(self.grow_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:321:21
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(self.fill_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 let available = try!(BufRead::fill_buf(self));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buf.write(available))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let len = try!(self.fill_buf()).len();
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 while try!(self.grow_buf()).len() < size {}
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:76
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:45
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:76
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             try!(writer.write(buf))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:95:35
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let written = try!(writer.write(&buf[..i + 1]));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 None => (false, try!(writer.write(buf))),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mock.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let amt = try!(self.inner.read(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/bufread.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 41 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/impls/mod.rs:151:15
[INFO] [stderr]     |
[INFO] [stderr] 151 |         match try!(self.read_into_buf()) {
[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/adapt/mod.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if try!(self.inner.fill_buf()).is_empty() {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(self.inner.seek(std::io::SeekFrom::Start(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let n = try!(self.inner.read(&mut buf[..max]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:189:45
[INFO] [stderr]     |
[INFO] [stderr] 189 |         if self.limit == 0 || self.limit == try!(self.fill_buf()).len() as u64 {
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:193:19
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let amt = try!(self.inner.write(&buf[..amt]));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |             match try!(self.first.read(buf)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/adapt/mod.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |             match try!(self.first.fill_buf()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             match try!(self.vec[0].read(buf)) {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/iter.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |             if try!(self.vec[0].fill_buf()).len() == 0 {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |             (buf.len(), try!(utf8_valid_up_to(buf)))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:116:53
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 valid_up_to = try!(utf8_valid_up_to(try!(self.inner.grow_buf())));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:167:43
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let start = try!(utf8_valid_up_to(try!(self.inner.fill_buf())));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let buf = try!(self.inner.grow_buf());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:171:28
[INFO] [stderr]     |
[INFO] [stderr] 171 |             valid_up_to += try!(utf8_valid_up_to(&buf[valid_up_to..]));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:173:19
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let buf = try!(self.inner.fill_buf());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:242:33
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let available = try!(self.fill_buf_str());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(self.grow_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utf8/read.rs:321:21
[INFO] [stderr]     |
[INFO] [stderr] 321 |                     try!(self.fill_buf_str())
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 let available = try!(BufRead::fill_buf(self));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufread.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 try!(buf.write(available))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let len = try!(self.fill_buf()).len();
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bufreadgrow.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 while try!(self.grow_buf()).len() < size {}
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:123:76
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:45
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bufreadgrow.rs:168:76
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let available = if extend { try!(self.grow_buf()) } else { try!(self.fill_buf()) };
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             try!(writer.write(buf))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let buf = try!(reader.fill_buf());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:95:35
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let written = try!(writer.write(&buf[..i + 1]));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/copy.rs:98:33
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 None => (false, try!(writer.write(buf))),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mock.rs:79:19
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let amt = try!(self.inner.read(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/bufread.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 41 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/netio-e094e14573f64aef
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test bufread::tests::read_until ... ok
[INFO] [stdout] test bufread::tests::read_exact_slice ... ok
[INFO] [stdout] test impls::tests::bufreader_bufreadgrow_4of3 ... ok
[INFO] [stdout] test utf8::read::tests::chars ... ok
[INFO] [stdout] test impls::tests::bufreader_bufreadgrow_4of3_smallbuf ... ok
[INFO] [stdout] test impls::tests::bufreader_bufreadgrow_3of3 ... ok
[INFO] [stdout] test iter::tests::split ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_1 ... ok
[INFO] [stdout] test iter::tests::collect_bufread ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_10 ... ok
[INFO] [stdout] test adapt::tests::take_write ... ok
[INFO] [stdout] test adapt::compat::tests::take_write ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_11 ... ok
[INFO] [stdout] test impls::tests::bufreader_bufreadgrow_3of3_smallbuf ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_16 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_14 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_17 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_18 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_4 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_2 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_3 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_5 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_6 ... ok
[INFO] [stdout] test bufread::tests::read_exact ... ok
[INFO] [stdout] test bufreadgrow::tests::read_until2_smallbuffer ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_12 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_7 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_13 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_15 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_8 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_unexpected_eof_3 ... ok
[INFO] [stdout] test utf8::read::tests::read_line ... ok
[INFO] [stdout] test utf8::read::tests::read_to_end ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_invalid_data_9 ... ok
[INFO] [stdout] test utf8::read::tests::fill_buf_str_unexpected_eof_1 ... ok
[INFO] [stdout] test bufreadgrow::tests::read_until2 ... ok
[INFO] [stdout] test bufread::tests::read_to_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netio
[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" "32e74092f9e556e80c27d350146e8fbc5cf893ae95fd1c0f3fb25ea20efb6070"`
[INFO] running `"docker" "rm" "-f" "32e74092f9e556e80c27d350146e8fbc5cf893ae95fd1c0f3fb25ea20efb6070"`
[INFO] [stdout] 32e74092f9e556e80c27d350146e8fbc5cf893ae95fd1c0f3fb25ea20efb6070