[INFO] fetching crate xml_writer 0.4.0...
[INFO] checking xml_writer-0.4.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate xml_writer 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xml_writer 0.4.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xml_writer 0.4.0
[INFO] finished tweaking crates.io crate xml_writer 0.4.0
[INFO] tweaked toml for crates.io crate xml_writer 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2822fca1a538d72eb3064db143985b59ae526e98d3fbea319736df5a5548df38
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2822fca1a538d72eb3064db143985b59ae526e98d3fbea319736df5a5548df38"`
[INFO] [stderr]     Checking xml_writer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Ok(try!(write!(f, "XmlWriter {{ stack: {:?}, opened: {} }}", self.stack, self.opened)))
[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/xml_writer.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(self.write("<?xml version=\"1.0\" encoding=\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(self.write(encoding));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 try!(self.write("\n"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 for _ in 0..indent { try!(self.write(" ")); };
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             try!(self.write(ns));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(self.write(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(self.attr(&name, item.1));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.close_elem());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.indent());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.write("<"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.ns_prefix(ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(self.write(name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.close_elem());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try!(self.indent());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.write("<"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.ns_prefix(ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.write(name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(self.write(">"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.escape(text, false));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         try!(self.write("</"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write(name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(self.indent());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.write("<"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         try!(self.ns_prefix(ns));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 try!(self.write(">"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 try!(self.write(">"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 try!(self.write("</"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 try!(self.ns_prefix(ns));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.write(name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                     try!(self.write(">"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     try!(self.write(">"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.indent());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         try!(self.write("<"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         try!(self.ns_prefix(ns));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         try!(self.write(name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         try!(self.write(" "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(self.write(name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(self.write("=\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         try!(self.write(value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         try!(self.write(" "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         try!(self.escape(name, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try!(self.write("=\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.escape(value, false));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:193:25
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 '"'  => try!(self.write("&quot;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 '\'' => try!(self.write("&apos;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 '&'  => try!(self.write("&amp;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:196:25
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 '<'  => try!(self.write("&lt;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 '>'  => try!(self.write("&gt;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:198:34
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 '\\' if ident => try!(self.write("\\\\")),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:199:25
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 _    => try!(self.write_slice(c.encode_utf8(&mut [0;4]).as_bytes()))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.writer.write(text.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.writer.write(slice));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         try!(self.write("<![CDATA["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         try!(self.write(cdata));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         try!(self.indent());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         try!(self.write("<!-- "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         try!(self.escape(comment, false));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |             try!(self.end_elem());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Ok(try!(write!(f, "XmlWriter {{ stack: {:?}, opened: {} }}", self.stack, self.opened)))
[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/xml_writer.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(self.write("<?xml version=\"1.0\" encoding=\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(self.write(encoding));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 try!(self.write("\n"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 for _ in 0..indent { try!(self.write(" ")); };
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             try!(self.write(ns));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(self.write(":"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(self.attr(&name, item.1));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.close_elem());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.indent());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.write("<"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.ns_prefix(ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(self.write(name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.close_elem());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try!(self.indent());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.write("<"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.ns_prefix(ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.write(name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(self.write(">"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/xml_writer.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.escape(text, false));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         try!(self.write("</"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write(name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(self.indent());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.write("<"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         try!(self.ns_prefix(ns));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 try!(self.write(">"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 try!(self.write(">"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 try!(self.write("</"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 try!(self.ns_prefix(ns));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.write(name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                     try!(self.write(">"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     try!(self.write(">"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.indent());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         try!(self.write("<"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         try!(self.ns_prefix(ns));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         try!(self.write(name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         try!(self.write(" "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(self.write(name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(self.write("=\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         try!(self.write(value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         try!(self.write(" "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         try!(self.escape(name, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try!(self.write("=\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.escape(value, false));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:193:25
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 '"'  => try!(self.write("&quot;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 '\'' => try!(self.write("&apos;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 '&'  => try!(self.write("&amp;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:196:25
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 '<'  => try!(self.write("&lt;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 '>'  => try!(self.write("&gt;")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:198:34
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 '\\' if ident => try!(self.write("\\\\")),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:199:25
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 _    => try!(self.write_slice(c.encode_utf8(&mut [0;4]).as_bytes()))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.writer.write(text.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 65 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.writer.write(slice));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         try!(self.write("<![CDATA["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         try!(self.write(cdata));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         try!(self.close_elem());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         try!(self.indent());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         try!(self.write("<!-- "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         try!(self.escape(comment, false));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/xml_writer.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |             try!(self.end_elem());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 65 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "2822fca1a538d72eb3064db143985b59ae526e98d3fbea319736df5a5548df38"`
[INFO] running `"docker" "rm" "-f" "2822fca1a538d72eb3064db143985b59ae526e98d3fbea319736df5a5548df38"`
[INFO] [stdout] 2822fca1a538d72eb3064db143985b59ae526e98d3fbea319736df5a5548df38