[INFO] crate optra 0.2.1 is already in cache
[INFO] checking optra-0.2.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate optra 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate optra 0.2.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate optra 0.2.1
[INFO] finished tweaking crates.io crate optra 0.2.1
[INFO] tweaked toml for crates.io crate optra 0.2.1 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b5101f8ce7ac30d8b94d6d34484915cd4cf00dfd382b37cc9d645c24e5bfc36
[INFO] running `"docker" "start" "-a" "5b5101f8ce7ac30d8b94d6d34484915cd4cf00dfd382b37cc9d645c24e5bfc36"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking rdiff v0.1.2
[INFO] [stderr]     Checking optra v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(writer.write(&int_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/operations.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(writer.write(&long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         try!(writer.write(&self.value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(reader.read_exact(&mut long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(reader.read_exact(&mut value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |         try!(writer.write(&long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |         try!(writer.write(&long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         try!(reader.read_exact(&mut long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(reader.read_exact(&mut long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:116:40
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let local_concurrent_inserts = try!(self.get_concurrent_inserts(&remote_sequence, lookup, stamper));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:136:46
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let transformed_concurrent_inserts = try!(self.get_concurrent_inserts(&remote_sequence, lookup, stamper));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:184:34
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let reference_time = try!(stamper.get_local_timestamp_for(remote_site_id, remote_timestamp)
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |             try!(insert.compress_to(writer, true));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             try!(delete.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:250:55
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:253:51
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:261:55
[INFO] [stderr]     |
[INFO] [stderr] 261 |                     tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:264:51
[INFO] [stderr]     |
[INFO] [stderr] 264 |                 tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:270:34
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let reference_time = try!(stamper.get_local_timestamp_for(remote_site_id, remote_timestamp)
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(writeln!(f, "Site: {}", self.site_id));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |         try!(writeln!(f, "Inserts: {:?}", self.inserts));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:568:9
[INFO] [stderr]     |
[INFO] [stderr] 568 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:571:13
[INFO] [stderr]     |
[INFO] [stderr] 571 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:573:13
[INFO] [stderr]     |
[INFO] [stderr] 573 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:575:13
[INFO] [stderr]     |
[INFO] [stderr] 575 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:584:9
[INFO] [stderr]     |
[INFO] [stderr] 584 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:590:13
[INFO] [stderr]     |
[INFO] [stderr] 590 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:592:13
[INFO] [stderr]     |
[INFO] [stderr] 592 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |         try!(file.read_to_end(&mut file_bytes));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:645:9
[INFO] [stderr]     |
[INFO] [stderr] 645 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:646:9
[INFO] [stderr]     |
[INFO] [stderr] 646 |         try!(file.set_len(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:682:29
[INFO] [stderr]     |
[INFO] [stderr] 682 | ...                   try!(file.write(&[*next]));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:703:13
[INFO] [stderr]     |
[INFO] [stderr] 703 |             try!(writer.write(&[1]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:705:13
[INFO] [stderr]     |
[INFO] [stderr] 705 |             try!(writer.write(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             try!(writer.write(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:709:13
[INFO] [stderr]     |
[INFO] [stderr] 709 |             try!(writer.write(&[0]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:713:9
[INFO] [stderr]     |
[INFO] [stderr] 713 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:715:13
[INFO] [stderr]     |
[INFO] [stderr] 715 |             try!(insert.compress_to(writer, false));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:718:9
[INFO] [stderr]     |
[INFO] [stderr] 718 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:720:13
[INFO] [stderr]     |
[INFO] [stderr] 720 |             try!(delete.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:731:9
[INFO] [stderr]     |
[INFO] [stderr] 731 |         try!(reader.read_exact(&mut bool_buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:734:13
[INFO] [stderr]     |
[INFO] [stderr] 734 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:736:13
[INFO] [stderr]     |
[INFO] [stderr] 736 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:746:9
[INFO] [stderr]     |
[INFO] [stderr] 746 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:751:31
[INFO] [stderr]     |
[INFO] [stderr] 751 |             inserts.push_back(try!(InsertOperation::expand_from(reader, timestamp_lookup)))
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:755:9
[INFO] [stderr]     |
[INFO] [stderr] 755 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:760:31
[INFO] [stderr]     |
[INFO] [stderr] 760 |             deletes.push_back(try!(DeleteOperation::expand_from(reader)));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/engine.rs:780:5
[INFO] [stderr]     |
[INFO] [stderr] 780 | /     macro_rules! create_list {
[INFO] [stderr] 781 | |         ( $( $x:expr ),* ) => {
[INFO] [stderr] 782 | |             {
[INFO] [stderr] 783 | |                 vec![$($x,)*].into_iter().collect::<LinkedList<_> >()
[INFO] [stderr] 784 | |             }
[INFO] [stderr] 785 | |         };
[INFO] [stderr] 786 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(writer.write(&int_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/operations.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(writer.write(&long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         try!(writer.write(&self.value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(reader.read_exact(&mut long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(reader.read_exact(&mut value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |         try!(writer.write(&long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |         try!(writer.write(&long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         try!(reader.read_exact(&mut long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(reader.read_exact(&mut long_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:116:40
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let local_concurrent_inserts = try!(self.get_concurrent_inserts(&remote_sequence, lookup, stamper));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:136:46
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let transformed_concurrent_inserts = try!(self.get_concurrent_inserts(&remote_sequence, lookup, stamper));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:184:34
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let reference_time = try!(stamper.get_local_timestamp_for(remote_site_id, remote_timestamp)
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |             try!(insert.compress_to(writer, true));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             try!(delete.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:250:55
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:253:51
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:261:55
[INFO] [stderr]     |
[INFO] [stderr] 261 |                     tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:264:51
[INFO] [stderr]     |
[INFO] [stderr] 264 |                 tail_timestamp = Some((timestamp, try!(lookup.get(&timestamp).ok_or(OTError::new(Kind::NoSuchState)))))
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:270:34
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let reference_time = try!(stamper.get_local_timestamp_for(remote_site_id, remote_timestamp)
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |         try!(writeln!(f, "Site: {}", self.site_id));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |         try!(writeln!(f, "Inserts: {:?}", self.inserts));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:568:9
[INFO] [stderr]     |
[INFO] [stderr] 568 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:571:13
[INFO] [stderr]     |
[INFO] [stderr] 571 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:573:13
[INFO] [stderr]     |
[INFO] [stderr] 573 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:575:13
[INFO] [stderr]     |
[INFO] [stderr] 575 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:584:9
[INFO] [stderr]     |
[INFO] [stderr] 584 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:590:13
[INFO] [stderr]     |
[INFO] [stderr] 590 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:592:13
[INFO] [stderr]     |
[INFO] [stderr] 592 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |         try!(file.read_to_end(&mut file_bytes));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:645:9
[INFO] [stderr]     |
[INFO] [stderr] 645 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:646:9
[INFO] [stderr]     |
[INFO] [stderr] 646 |         try!(file.set_len(0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:682:29
[INFO] [stderr]     |
[INFO] [stderr] 682 | ...                   try!(file.write(&[*next]));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:703:13
[INFO] [stderr]     |
[INFO] [stderr] 703 |             try!(writer.write(&[1]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:705:13
[INFO] [stderr]     |
[INFO] [stderr] 705 |             try!(writer.write(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |             try!(writer.write(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:709:13
[INFO] [stderr]     |
[INFO] [stderr] 709 |             try!(writer.write(&[0]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:713:9
[INFO] [stderr]     |
[INFO] [stderr] 713 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:715:13
[INFO] [stderr]     |
[INFO] [stderr] 715 |             try!(insert.compress_to(writer, false));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:718:9
[INFO] [stderr]     |
[INFO] [stderr] 718 |         try!(writer.write(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:720:13
[INFO] [stderr]     |
[INFO] [stderr] 720 |             try!(delete.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:731:9
[INFO] [stderr]     |
[INFO] [stderr] 731 |         try!(reader.read_exact(&mut bool_buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:734:13
[INFO] [stderr]     |
[INFO] [stderr] 734 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:736:13
[INFO] [stderr]     |
[INFO] [stderr] 736 |             try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:746:9
[INFO] [stderr]     |
[INFO] [stderr] 746 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:751:31
[INFO] [stderr]     |
[INFO] [stderr] 751 |             inserts.push_back(try!(InsertOperation::expand_from(reader, timestamp_lookup)))
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:755:9
[INFO] [stderr]     |
[INFO] [stderr] 755 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/engine.rs:760:31
[INFO] [stderr]     |
[INFO] [stderr] 760 |             deletes.push_back(try!(DeleteOperation::expand_from(reader)));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 60 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 61 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `"docker" "inspect" "5b5101f8ce7ac30d8b94d6d34484915cd4cf00dfd382b37cc9d645c24e5bfc36"`
[INFO] running `"docker" "rm" "-f" "5b5101f8ce7ac30d8b94d6d34484915cd4cf00dfd382b37cc9d645c24e5bfc36"`
[INFO] [stdout] 5b5101f8ce7ac30d8b94d6d34484915cd4cf00dfd382b37cc9d645c24e5bfc36