[INFO] updating cached repository https://github.com/remram44/rs-sync
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/remram44/rs-sync
[INFO] [stderr]  + 0c3210d...1da4e46 gh-pages   -> gh-pages  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5903b8d7008db3c69d9e4b5c6cabcf83adf02025
[INFO] checking remram44/rs-sync against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Frs-sync" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remram44/rs-sync on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/remram44/rs-sync
[INFO] finished tweaking git repo https://github.com/remram44/rs-sync
[INFO] tweaked toml for git repo https://github.com/remram44/rs-sync written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/remram44/rs-sync already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a627cccfe005705b61882e33307c86aa4fff0abf62619b060290ee9a87113e1
[INFO] running `"docker" "start" "-a" "0a627cccfe005705b61882e33307c86aa4fff0abf62619b060290ee9a87113e1"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking rs-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hasher.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let n = try!(reader.read_retry(&mut buffer));
[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/utils.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |         if try!(self.read_retry(buffer)) != buffer.len() {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if try!(self.read(&mut [0u8])) != 0 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let read = try!(reader.read(&mut buffer[..len]));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(writer.write_all(&buffer[..read]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let f = try!(File::open(&path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         try!(hashes.hash(path, f));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     try!(index.write_all(b"RS-SYNCI"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(index.write_u16::<BigEndian>(0x0001)); // 0.1
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(index.write_u32::<BigEndian>(hashes.blocksize() as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(index.write_u32::<BigEndian>(hashes.blocks().len() as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(index.write_u32::<BigEndian>(h.adler32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(index.write_all(&h.sha1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     try!(index.read_exact_(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let version = try!(index.read_u16::<BigEndian>());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let blocksize = try!(index.read_u32::<BigEndian>()) as usize;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let nb_hashes = try!(index.read_u32::<BigEndian>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:67:23
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let adler32 = try!(index.read_u32::<BigEndian>());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         if try!(index.read(&mut sha1)) != 20 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     try!(index.read_eof());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     try!(delta.write_all(b"RS-SYNCD"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     try!(delta.write_u16::<BigEndian>(0x0001)); // 0.1
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     try!(delta.write_u32::<BigEndian>(blocksize as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     try!(delta.write_u16::<BigEndian>(0)); // Single-file mode
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     try!(delta.write_all(b"RS-SYNCD"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(delta.write_u16::<BigEndian>(0x0001)); // 0.1
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(delta.write_u32::<BigEndian>(blocksize as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(delta.write_u16::<BigEndian>(0)); // Single-file mode
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:57:20
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let read = try!(file.read_retry(&mut buffer));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             try!(delta.write_u8(0x00)); // ENDFILE
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:135:25
[INFO] [stderr]     |
[INFO] [stderr] 135 |                         try!(delta.write_u8(0x01)); // LITERAL
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:136:25
[INFO] [stderr]     |
[INFO] [stderr] 136 |                         try!(delta.write_u16::<BigEndian>((len - 1) as u16));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         try!(file.seek(io::SeekFrom::Start(block_start)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         try!(copy(&mut file, &mut delta,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:140:25
[INFO] [stderr]     |
[INFO] [stderr] 140 |                         try!(file.seek(io::SeekFrom::Start(pos)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         try!(delta.write_u8(0x01)); // LITERAL
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:154:25
[INFO] [stderr]     |
[INFO] [stderr] 154 |                         try!(delta.write_u16::<BigEndian>(0xFFFF));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                         try!(file.seek(io::SeekFrom::Start(block_start)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(copy(&mut file, &mut delta, CopyMode::Exact(len)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |                         try!(file.seek(io::SeekFrom::Start(pos)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                     try!(delta.write_u8(0x02)); // KNOWN_BLOCK
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     try!(delta.write_u32::<BigEndian>(adler32.hash()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:170:21
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     try!(delta.write_all(sha1));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:177:21
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     try!(delta.write_u8(0x03)); // BACKREF
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     try!(delta.write_u16::<BigEndian>(0));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:179:21
[INFO] [stderr]     |
[INFO] [stderr] 179 |                     try!(delta.write_u64::<BigEndian>(offset));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:209:20
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 if try!(file.read(&mut buffer[idx..idx + 1])) == 0 {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |                         try!(delta.write_u8(0x01)); // LITERAL
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:216:25
[INFO] [stderr]     |
[INFO] [stderr] 216 |                         try!(delta.write_u16::<BigEndian>((len - 1) as u16));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 217 |                         try!(file.seek(io::SeekFrom::Start(block_start)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         try!(copy(&mut file, &mut delta, CopyMode::Exact(len)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:219:25
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         try!(file.seek(io::SeekFrom::Start(pos)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |                        io::BufReader::new(try!(File::open(filename))));
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(delta.read_exact_(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let version = try!(delta.read_u16::<BigEndian>());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let blocksize = try!(delta.read_u32::<BigEndian>()) as usize;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     if try!(delta.read_u16::<BigEndian>()) != 0 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(hashes.hash(filename.clone(), &mut file));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:59:15
[INFO] [stderr]    |
[INFO] [stderr] 59 |         match try!(delta.read_u8()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 let len = try!(delta.read_u16::<BigEndian>()) as usize + 1;
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 try!(copy(&mut delta, &mut file, CopyMode::Exact(len)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:69:31
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let adler32 = try!(delta.read_u32::<BigEndian>());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     if try!(delta.read_retry(&mut buf)) != 20 {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         try!(origin.seek(io::SeekFrom::Start(loc.offset)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:91:38
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let copied = try!(copy(&mut origin, &mut file,
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/patch.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(delta.read_eof());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Adler32_SHA1` should have an upper camel case name
[INFO] [stderr]   --> src/hasher.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct Adler32_SHA1 {
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Adler32Sha1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hasher.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let n = try!(reader.read_retry(&mut buffer));
[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/utils.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |         if try!(self.read_retry(buffer)) != buffer.len() {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if try!(self.read(&mut [0u8])) != 0 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let read = try!(reader.read(&mut buffer[..len]));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(writer.write_all(&buffer[..read]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let f = try!(File::open(&path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         try!(hashes.hash(path, f));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     try!(index.write_all(b"RS-SYNCI"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(index.write_u16::<BigEndian>(0x0001)); // 0.1
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(index.write_u32::<BigEndian>(hashes.blocksize() as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(index.write_u32::<BigEndian>(hashes.blocks().len() as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(index.write_u32::<BigEndian>(h.adler32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(index.write_all(&h.sha1));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     try!(index.read_exact_(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let version = try!(index.read_u16::<BigEndian>());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let blocksize = try!(index.read_u32::<BigEndian>()) as usize;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let nb_hashes = try!(index.read_u32::<BigEndian>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:67:23
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let adler32 = try!(index.read_u32::<BigEndian>());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         if try!(index.read(&mut sha1)) != 20 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/index.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     try!(index.read_eof());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     try!(delta.write_all(b"RS-SYNCD"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     try!(delta.write_u16::<BigEndian>(0x0001)); // 0.1
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     try!(delta.write_u32::<BigEndian>(blocksize as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     try!(delta.write_u16::<BigEndian>(0)); // Single-file mode
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     try!(delta.write_all(b"RS-SYNCD"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(delta.write_u16::<BigEndian>(0x0001)); // 0.1
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     try!(delta.write_u32::<BigEndian>(blocksize as u32));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     try!(delta.write_u16::<BigEndian>(0)); // Single-file mode
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:57:20
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let read = try!(file.read_retry(&mut buffer));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/delta.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             try!(delta.write_u8(0x00)); // ENDFILE
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:135:25
[INFO] [stderr]     |
[INFO] [stderr] 135 |                         try!(delta.write_u8(0x01)); // LITERAL
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:136:25
[INFO] [stderr]     |
[INFO] [stderr] 136 |                         try!(delta.write_u16::<BigEndian>((len - 1) as u16));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         try!(file.seek(io::SeekFrom::Start(block_start)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         try!(copy(&mut file, &mut delta,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:140:25
[INFO] [stderr]     |
[INFO] [stderr] 140 |                         try!(file.seek(io::SeekFrom::Start(pos)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |                         try!(delta.write_u8(0x01)); // LITERAL
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:154:25
[INFO] [stderr]     |
[INFO] [stderr] 154 |                         try!(delta.write_u16::<BigEndian>(0xFFFF));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                         try!(file.seek(io::SeekFrom::Start(block_start)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(copy(&mut file, &mut delta, CopyMode::Exact(len)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |                         try!(file.seek(io::SeekFrom::Start(pos)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                     try!(delta.write_u8(0x02)); // KNOWN_BLOCK
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     try!(delta.write_u32::<BigEndian>(adler32.hash()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:170:21
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     try!(delta.write_all(sha1));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:177:21
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     try!(delta.write_u8(0x03)); // BACKREF
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     try!(delta.write_u16::<BigEndian>(0));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:179:21
[INFO] [stderr]     |
[INFO] [stderr] 179 |                     try!(delta.write_u64::<BigEndian>(offset));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:209:20
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 if try!(file.read(&mut buffer[idx..idx + 1])) == 0 {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |                         try!(delta.write_u8(0x01)); // LITERAL
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:216:25
[INFO] [stderr]     |
[INFO] [stderr] 216 |                         try!(delta.write_u16::<BigEndian>((len - 1) as u16));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 217 |                         try!(file.seek(io::SeekFrom::Start(block_start)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         try!(copy(&mut file, &mut delta, CopyMode::Exact(len)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/delta.rs:219:25
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         try!(file.seek(io::SeekFrom::Start(pos)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:20:43
[INFO] [stderr]    |
[INFO] [stderr] 20 |                        io::BufReader::new(try!(File::open(filename))));
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(delta.read_exact_(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let version = try!(delta.read_u16::<BigEndian>());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let blocksize = try!(delta.read_u32::<BigEndian>()) as usize;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     if try!(delta.read_u16::<BigEndian>()) != 0 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(hashes.hash(filename.clone(), &mut file));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:59:15
[INFO] [stderr]    |
[INFO] [stderr] 59 |         match try!(delta.read_u8()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 let len = try!(delta.read_u16::<BigEndian>()) as usize + 1;
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 try!(copy(&mut delta, &mut file, CopyMode::Exact(len)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:69:31
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let adler32 = try!(delta.read_u32::<BigEndian>());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     if try!(delta.read_retry(&mut buf)) != 20 {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         try!(origin.seek(io::SeekFrom::Start(loc.offset)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/patch.rs:91:38
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let copied = try!(copy(&mut origin, &mut file,
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/patch.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(delta.read_eof());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Adler32_SHA1` should have an upper camel case name
[INFO] [stderr]   --> src/hasher.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct Adler32_SHA1 {
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Adler32Sha1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hashes`
[INFO] [stderr]   --> src/delta.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_hashes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `files`
[INFO] [stderr]   --> src/delta.rs:27:51
[INFO] [stderr]    |
[INFO] [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
[INFO] [stderr]    |                                                   ^^^^^ help: consider prefixing with an underscore: `_files`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hashes`
[INFO] [stderr]   --> src/delta.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_hashes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `files`
[INFO] [stderr]   --> src/delta.rs:27:51
[INFO] [stderr]    |
[INFO] [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
[INFO] [stderr]    |                                                   ^^^^^ help: consider prefixing with an underscore: `_files`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ReadBytesExt`
[INFO] [stderr]  --> tests/test_diff.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt, BigEndian};
[INFO] [stderr]   |                 ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Adler32_SHA1`
[INFO] [stderr]  --> tests/test_diff.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rs_sync::{Adler32_SHA1, adler32_sha1, DefaultHashes};
[INFO] [stderr]   |               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `h_e`
[INFO] [stderr]    --> tests/test_diff.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / const h_e: (u32, &'static [u8; 20]) = (66453909,
[INFO] [stderr] 120 | |     b"\xb2\xc4\xee\x5d\xe8\x28\x66\xdb\x38\xf7\
[INFO] [stderr] 121 | |      \x9c\x6d\x4a\x91\xa6\x26\x48\x6b\x70\xe9"
[INFO] [stderr] 122 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `h_f`
[INFO] [stderr]    --> tests/test_diff.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | / const h_f: (u32, &'static [u8; 20]) = (67109273,
[INFO] [stderr] 124 | |     b"\xd3\x3f\xef\x58\xbe\xdd\x39\xdc\x1c\x2d\
[INFO] [stderr] 125 | |      \x38\xf1\x63\x05\xb1\x00\x10\xe9\x05\x8e"
[INFO] [stderr] 126 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     hashes.hash(Path::new("/file1").to_owned(),
[INFO] [stderr] 17 | |                 Cursor::new(b"aaaabbbbccccZZ" as &[u8]));
[INFO] [stderr]    | |_________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     hashes.hash(Path::new("/file2").to_owned(),
[INFO] [stderr] 19 | |                 Cursor::new(b"ddddbbbbYY" as &[u8]));
[INFO] [stderr]    | |_____________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     write_index_file(&mut index, &hashes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     expected.write_u8(0x02);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     expected.write_u32::<BigEndian>(h_a.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     expected.write(h_a.1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     expected.write_u8(0x01);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     expected.write_u16::<BigEndian>(5 - 1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     expected.write_u8(0x02);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     expected.write_u32::<BigEndian>(h_b.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     expected.write(h_b.1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     expected.write_u8(0x01);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     expected.write_u16::<BigEndian>(4 - 1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     expected.write_u8(0x03);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     expected.write_u16::<BigEndian>(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     expected.write_u64::<BigEndian>(4);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     expected.write_u8(0x01);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     expected.write_u16::<BigEndian>(6 - 1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/test_diff.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     expected.write_u8(0x00);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_a` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:103:7
[INFO] [stderr]     |
[INFO] [stderr] 103 | const h_a: (u32, &'static [u8; 20]) = (63832453,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_A`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_b` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:107:7
[INFO] [stderr]     |
[INFO] [stderr] 107 | const h_b: (u32, &'static [u8; 20]) = (64487817,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_B`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_c` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:111:7
[INFO] [stderr]     |
[INFO] [stderr] 111 | const h_c: (u32, &'static [u8; 20]) = (65143181,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_C`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_d` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:115:7
[INFO] [stderr]     |
[INFO] [stderr] 115 | const h_d: (u32, &'static [u8; 20]) = (65798545,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_D`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_e` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:119:7
[INFO] [stderr]     |
[INFO] [stderr] 119 | const h_e: (u32, &'static [u8; 20]) = (66453909,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_E`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_f` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:123:7
[INFO] [stderr]     |
[INFO] [stderr] 123 | const h_f: (u32, &'static [u8; 20]) = (67109273,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_F`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_z` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:127:7
[INFO] [stderr]     |
[INFO] [stderr] 127 | const h_z: (u32, &'static [u8; 20]) = (17825973,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_Z`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `h_y` should have an upper case name
[INFO] [stderr]    --> tests/test_diff.rs:131:7
[INFO] [stderr]     |
[INFO] [stderr] 131 | const h_y: (u32, &'static [u8; 20]) = (17629363,
[INFO] [stderr]     |       ^^^ help: convert the identifier to upper case: `H_Y`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/rsdiff.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut index = io::BufWriter::new(try!(File::create(index_file)));
[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/bin/rsdiff.rs:98:18
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let hashes = try!(hash_files([old_file].iter().chain(references.iter()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:109:36
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let delta = io::BufWriter::new(try!(File::create(&delta_file)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let index = try!(File::open(&index_file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(read_index_file(index))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:116:35
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let file = io::BufReader::new(try!(File::open(new_file)));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let delta = io::BufReader::new(try!(File::open(&delta_file)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:127:34
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let new = io::BufWriter::new(try!(File::create(&new_file)));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/rsdiff.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut index = io::BufWriter::new(try!(File::create(index_file)));
[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/bin/rsdiff.rs:98:18
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let hashes = try!(hash_files([old_file].iter().chain(references.iter()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:109:36
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let delta = io::BufWriter::new(try!(File::create(&delta_file)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let index = try!(File::open(&index_file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(read_index_file(index))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:116:35
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let file = io::BufReader::new(try!(File::open(new_file)));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let delta = io::BufReader::new(try!(File::open(&delta_file)));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/bin/rsdiff.rs:127:34
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let new = io::BufWriter::new(try!(File::create(&new_file)));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.41s
[INFO] running `"docker" "inspect" "0a627cccfe005705b61882e33307c86aa4fff0abf62619b060290ee9a87113e1"`
[INFO] running `"docker" "rm" "-f" "0a627cccfe005705b61882e33307c86aa4fff0abf62619b060290ee9a87113e1"`
[INFO] [stdout] 0a627cccfe005705b61882e33307c86aa4fff0abf62619b060290ee9a87113e1