[INFO] crate catalog 0.1.2 is already in cache
[INFO] checking catalog-0.1.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate catalog 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate catalog 0.1.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate catalog 0.1.2
[INFO] finished tweaking crates.io crate catalog 0.1.2
[INFO] tweaked toml for crates.io crate catalog 0.1.2 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d68d00d61dde6823450cc9723b092047da84abeefc8d6a936b2d79c69b21403
[INFO] running `"docker" "start" "-a" "6d68d00d61dde6823450cc9723b092047da84abeefc8d6a936b2d79c69b21403"`
[INFO] [stderr]     Checking catalog v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/helpers.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let n = try!(buf_writer.write(line.as_bytes())
[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/helpers.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(buf_writer.flush()
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hash_file.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |             key: try!(split.next().unwrap_or("")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hash_file.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |             idx: try!(split.next().unwrap_or("")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hash_file.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |             count: try!(split.next().unwrap_or("")
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:263:24
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut file = try!(create_or_open_file(&path));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:272:32
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     let line = try!(read_one_line(&mut file));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:278:17
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 try!(seek_from_start(&mut file, 0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:281:24
[INFO] [stderr]     |
[INFO] [stderr] 281 |             data_file: try!(create_or_open_file(&data_path)),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |             try!(fs::rename(format!("{}{}", &self.data_path, TEMP_SUFFIX), &self.data_path)
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:307:30
[INFO] [stderr]     |
[INFO] [stderr] 307 |             self.data_file = try!(create_or_open_file(&self.data_path));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         try!(fs::rename(format!("{}{}", &self.path, TEMP_SUFFIX), &self.path)
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |         self.file = try!(create_or_open_file(&self.path));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:313:21
[INFO] [stderr]     |
[INFO] [stderr] 313 |         self.size = try!(get_size(&self.file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:334:13
[INFO] [stderr]     |
[INFO] [stderr] 334 |             try!(self.flush_map());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |             let mut out_file = try!(create_or_open_file(&format!("{}{}", &self.path, TEMP_SUFFIX)));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:344:33
[INFO] [stderr]     |
[INFO] [stderr] 344 |             let mut data_file = try!(create_or_open_file(&format!("{}{}", &self.data_path, TEMP_SUFFIX)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:349:37
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 let mut key_index = try!(line.parse::<KeyIndex<K>>());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 try!(seek_from_start(&mut self.data_file, key_index.idx));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:351:29
[INFO] [stderr]     |
[INFO] [stderr] 351 |                 let value = try!(read_one_line(&mut self.data_file));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:353:34
[INFO] [stderr]     |
[INFO] [stderr] 353 |                 self.data_idx += try!(write_buffer(&mut data_writer, &value, &mut 0));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(write_buffer(&mut buf_writer, &key_index.to_string(), &mut self.line_length));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |             try!(seek_from_start(&mut self.file, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(seek_from_start(&mut self.data_file, self.data_idx));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:373:32
[INFO] [stderr]     |
[INFO] [stderr] 373 |             let mut out_file = try!(create_or_open_file(&format!("{}{}", &self.path, TEMP_SUFFIX)));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:406:42
[INFO] [stderr]     |
[INFO] [stderr] 406 |                         self.data_idx += try!(write_buffer(&mut data_writer, &val.to_string(), &mut 0));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:414:25
[INFO] [stderr]     |
[INFO] [stderr] 414 |                         try!(write_buffer(&mut buf_writer, &file_key.to_string(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:418:25
[INFO] [stderr]     |
[INFO] [stderr] 418 |                         try!(write_buffer(&mut buf_writer, &file_iter.next().unwrap(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:424:42
[INFO] [stderr]     |
[INFO] [stderr] 424 |                         self.data_idx += try!(write_buffer(&mut data_writer, &val.to_string(), &mut 0));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:426:25
[INFO] [stderr]     |
[INFO] [stderr] 426 |                         try!(write_buffer(&mut buf_writer, &(btree_key.to_string()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:460:13
[INFO] [stderr]     |
[INFO] [stderr] 460 |             try!(self.flush_map());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:486:30
[INFO] [stderr]     |
[INFO] [stderr] 486 |         if self.size == 0 || try!(get_size(&self.data_file)) == 0 {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:500:13
[INFO] [stderr]     |
[INFO] [stderr] 500 |             try!(seek_from_start(&mut self.file, new_line_pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:501:24
[INFO] [stderr]     |
[INFO] [stderr] 501 |             let line = try!(read_one_line(&mut self.file));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:506:23
[INFO] [stderr]     |
[INFO] [stderr] 506 |             let key = try!(key_str.parse::<K>()
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:511:33
[INFO] [stderr]     |
[INFO] [stderr] 511 |                 let key_index = try!(line.parse::<KeyIndex<K>>());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:512:17
[INFO] [stderr]     |
[INFO] [stderr] 512 |                 try!(seek_from_start(&mut self.data_file, key_index.idx));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:513:28
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let line = try!(read_one_line(&mut self.data_file));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:514:29
[INFO] [stderr]     |
[INFO] [stderr] 514 |                 let value = try!(line.parse::<V>()
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/helpers.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let n = try!(buf_writer.write(line.as_bytes())
[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/helpers.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(buf_writer.flush()
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hash_file.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |             key: try!(split.next().unwrap_or("")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hash_file.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |             idx: try!(split.next().unwrap_or("")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hash_file.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |             count: try!(split.next().unwrap_or("")
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:263:24
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut file = try!(create_or_open_file(&path));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:272:32
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     let line = try!(read_one_line(&mut file));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:278:17
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 try!(seek_from_start(&mut file, 0));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:281:24
[INFO] [stderr]     |
[INFO] [stderr] 281 |             data_file: try!(create_or_open_file(&data_path)),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |             try!(fs::rename(format!("{}{}", &self.data_path, TEMP_SUFFIX), &self.data_path)
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:307:30
[INFO] [stderr]     |
[INFO] [stderr] 307 |             self.data_file = try!(create_or_open_file(&self.data_path));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         try!(fs::rename(format!("{}{}", &self.path, TEMP_SUFFIX), &self.path)
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |         self.file = try!(create_or_open_file(&self.path));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:313:21
[INFO] [stderr]     |
[INFO] [stderr] 313 |         self.size = try!(get_size(&self.file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:334:13
[INFO] [stderr]     |
[INFO] [stderr] 334 |             try!(self.flush_map());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |             let mut out_file = try!(create_or_open_file(&format!("{}{}", &self.path, TEMP_SUFFIX)));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:344:33
[INFO] [stderr]     |
[INFO] [stderr] 344 |             let mut data_file = try!(create_or_open_file(&format!("{}{}", &self.data_path, TEMP_SUFFIX)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:349:37
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 let mut key_index = try!(line.parse::<KeyIndex<K>>());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 try!(seek_from_start(&mut self.data_file, key_index.idx));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:351:29
[INFO] [stderr]     |
[INFO] [stderr] 351 |                 let value = try!(read_one_line(&mut self.data_file));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:353:34
[INFO] [stderr]     |
[INFO] [stderr] 353 |                 self.data_idx += try!(write_buffer(&mut data_writer, &value, &mut 0));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(write_buffer(&mut buf_writer, &key_index.to_string(), &mut self.line_length));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |             try!(seek_from_start(&mut self.file, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(seek_from_start(&mut self.data_file, self.data_idx));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:373:32
[INFO] [stderr]     |
[INFO] [stderr] 373 |             let mut out_file = try!(create_or_open_file(&format!("{}{}", &self.path, TEMP_SUFFIX)));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:406:42
[INFO] [stderr]     |
[INFO] [stderr] 406 |                         self.data_idx += try!(write_buffer(&mut data_writer, &val.to_string(), &mut 0));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:414:25
[INFO] [stderr]     |
[INFO] [stderr] 414 |                         try!(write_buffer(&mut buf_writer, &file_key.to_string(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:418:25
[INFO] [stderr]     |
[INFO] [stderr] 418 |                         try!(write_buffer(&mut buf_writer, &file_iter.next().unwrap(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:424:42
[INFO] [stderr]     |
[INFO] [stderr] 424 |                         self.data_idx += try!(write_buffer(&mut data_writer, &val.to_string(), &mut 0));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:426:25
[INFO] [stderr]     |
[INFO] [stderr] 426 |                         try!(write_buffer(&mut buf_writer, &(btree_key.to_string()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:460:13
[INFO] [stderr]     |
[INFO] [stderr] 460 |             try!(self.flush_map());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:486:30
[INFO] [stderr]     |
[INFO] [stderr] 486 |         if self.size == 0 || try!(get_size(&self.data_file)) == 0 {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:500:13
[INFO] [stderr]     |
[INFO] [stderr] 500 |             try!(seek_from_start(&mut self.file, new_line_pos));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:501:24
[INFO] [stderr]     |
[INFO] [stderr] 501 |             let line = try!(read_one_line(&mut self.file));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:506:23
[INFO] [stderr]     |
[INFO] [stderr] 506 |             let key = try!(key_str.parse::<K>()
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:511:33
[INFO] [stderr]     |
[INFO] [stderr] 511 |                 let key_index = try!(line.parse::<KeyIndex<K>>());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:512:17
[INFO] [stderr]     |
[INFO] [stderr] 512 |                 try!(seek_from_start(&mut self.data_file, key_index.idx));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:513:28
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let line = try!(read_one_line(&mut self.data_file));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hash_file.rs:514:29
[INFO] [stderr]     |
[INFO] [stderr] 514 |                 let value = try!(line.parse::<V>()
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:34:51
[INFO] [stderr]    |
[INFO] [stderr] 34 | ...                   e.description())...
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 | ...                   e.description())...
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:49:46
[INFO] [stderr]    |
[INFO] [stderr] 49 | ...                   path, e.description()))
[INFO] [stderr]    |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:57:66
[INFO] [stderr]    |
[INFO] [stderr] 57 |         .map_err(|e| format!("Cannot seek through file! ({})", e.description()))
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:64:68
[INFO] [stderr]    |
[INFO] [stderr] 64 |         .map_err(|e| format!("Cannot obtain file metadata ({})", e.description()))
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     }).map_err(|e| format!("Cannot read line from file! ({})", e.description()))
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:34:51
[INFO] [stderr]    |
[INFO] [stderr] 34 | ...                   e.description())...
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 | ...                   e.description())...
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:49:46
[INFO] [stderr]    |
[INFO] [stderr] 49 | ...                   path, e.description()))
[INFO] [stderr]    |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:57:66
[INFO] [stderr]    |
[INFO] [stderr] 57 |         .map_err(|e| format!("Cannot seek through file! ({})", e.description()))
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:64:68
[INFO] [stderr]    |
[INFO] [stderr] 64 |         .map_err(|e| format!("Cannot obtain file metadata ({})", e.description()))
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |     }).map_err(|e| format!("Cannot read line from file! ({})", e.description()))
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/hash_file.rs:306:86
[INFO] [stderr]     |
[INFO] [stderr] 306 |                     .map_err(|e| format!("Cannot rename the temp data file! ({})", e.description())));
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/hash_file.rs:311:77
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 .map_err(|e| format!("Cannot rename the temp file! ({})", e.description())));
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/hash_file.rs:306:86
[INFO] [stderr]     |
[INFO] [stderr] 306 |                     .map_err(|e| format!("Cannot rename the temp data file! ({})", e.description())));
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/hash_file.rs:311:77
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 .map_err(|e| format!("Cannot rename the temp file! ({})", e.description())));
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 47 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 47 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "6d68d00d61dde6823450cc9723b092047da84abeefc8d6a936b2d79c69b21403"`
[INFO] running `"docker" "rm" "-f" "6d68d00d61dde6823450cc9723b092047da84abeefc8d6a936b2d79c69b21403"`
[INFO] [stdout] 6d68d00d61dde6823450cc9723b092047da84abeefc8d6a936b2d79c69b21403