[INFO] crate rdiff 0.1.2 is already in cache
[INFO] testing rdiff-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rdiff 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rdiff 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdiff 0.1.2
[INFO] finished tweaking crates.io crate rdiff 0.1.2
[INFO] tweaked toml for crates.io crate rdiff 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 749c096ec6507c33d6cdd202dd0f2b2fd55873f9d34c271def452f1e21cd514d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "749c096ec6507c33d6cdd202dd0f2b2fd55873f9d34c271def452f1e21cd514d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "749c096ec6507c33d6cdd202dd0f2b2fd55873f9d34c271def452f1e21cd514d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749c096ec6507c33d6cdd202dd0f2b2fd55873f9d34c271def452f1e21cd514d", kill_on_drop: false }`
[INFO] [stdout] 749c096ec6507c33d6cdd202dd0f2b2fd55873f9d34c271def452f1e21cd514d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d005609f51241fda5d7bf9bea0c08bc282f5a5dff9aebb31ae1d9577f485a0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d005609f51241fda5d7bf9bea0c08bc282f5a5dff9aebb31ae1d9577f485a0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdiff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let size = try!(reader.read(front.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let size = try!(reader.read(back.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             try!(self.load_next_block());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let size = try!(self.reader.read(self.back.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hashing.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |             read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:142:26
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut window = try!(Window::new(new_data, self.block_size));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:185:40
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     let (tail, head) = try!(window.advance());
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:208:36
[INFO] [stdout]     |
[INFO] [stdout] 208 |                 let (tail, head) = try!(window.advance());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:234:29
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |             read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writer.write(&int_buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |             try!(writer.write(strong));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(reader.read(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         try!(reader.read(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |             try!(reader.read(&mut int_buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             try!(reader.read(&mut strong_hash));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:196:32
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 new_bytes.push(try!(old_bytes.next().unwrap()).clone());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |             new_bytes.push(try!(byte));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(file.set_len(new_bytes.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         try!(writer.write(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |             try!(insert.compress_to(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(writer.write(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |             try!(delete.compress_to(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         try!(writer.write(&self.data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(reader.read_exact(&mut data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "0d005609f51241fda5d7bf9bea0c08bc282f5a5dff9aebb31ae1d9577f485a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d005609f51241fda5d7bf9bea0c08bc282f5a5dff9aebb31ae1d9577f485a0e", kill_on_drop: false }`
[INFO] [stdout] 0d005609f51241fda5d7bf9bea0c08bc282f5a5dff9aebb31ae1d9577f485a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367e396508647a966710d4cf8ce72f19895c7b314eb0a97fe8220a0b0601908f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "367e396508647a966710d4cf8ce72f19895c7b314eb0a97fe8220a0b0601908f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling inotify v0.2.3
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let size = try!(reader.read(front.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let size = try!(reader.read(back.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             try!(self.load_next_block());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let size = try!(self.reader.read(self.back.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hashing.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |             read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:142:26
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut window = try!(Window::new(new_data, self.block_size));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:185:40
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     let (tail, head) = try!(window.advance());
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:208:36
[INFO] [stdout]     |
[INFO] [stdout] 208 |                 let (tail, head) = try!(window.advance());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:234:29
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |             read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writer.write(&int_buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |             try!(writer.write(strong));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(reader.read(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         try!(reader.read(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |             try!(reader.read(&mut int_buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             try!(reader.read(&mut strong_hash));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:196:32
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 new_bytes.push(try!(old_bytes.next().unwrap()).clone());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |             new_bytes.push(try!(byte));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(file.set_len(new_bytes.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         try!(writer.write(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |             try!(insert.compress_to(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(writer.write(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |             try!(delete.compress_to(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         try!(writer.write(&self.data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(reader.read_exact(&mut data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling notify v2.6.3
[INFO] [stderr]    Compiling rdiff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/file_watcher.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let file = try!(fs::File::open(file));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/file_watcher.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let file = try!(fs::File::open(file));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/file_watcher.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let diffs = try!(hashes.diff_and_update(file));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/file_watcher.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |   let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/file_watcher.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |   try!(watcher.watch(file_name));
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let size = try!(reader.read(front.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let size = try!(reader.read(back.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             try!(self.load_next_block());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/window.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let size = try!(self.reader.read(self.back.as_mut_slice()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hashing.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |             read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:142:26
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut window = try!(Window::new(new_data, self.block_size));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:185:40
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     let (tail, head) = try!(window.advance());
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:208:36
[INFO] [stdout]     |
[INFO] [stdout] 208 |                 let (tail, head) = try!(window.advance());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:234:29
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:250:25
[INFO] [stdout]     |
[INFO] [stdout] 250 |             read_size = try!(data_source.read(&mut block));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writer.write(&int_buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |             try!(writer.write(strong));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(reader.read(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         try!(reader.read(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |             try!(reader.read(&mut int_buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/hashing.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             try!(reader.read(&mut strong_hash));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:196:32
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 new_bytes.push(try!(old_bytes.next().unwrap()).clone());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |             new_bytes.push(try!(byte));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         try!(file.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(file.set_len(new_bytes.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         try!(writer.write(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |             try!(insert.compress_to(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(writer.write(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |             try!(delete.compress_to(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         try!(writer.write(&self.data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(reader.read_exact(&mut data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(writer.write(&int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.48s
[INFO] running `Command { std: "docker" "inspect" "367e396508647a966710d4cf8ce72f19895c7b314eb0a97fe8220a0b0601908f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367e396508647a966710d4cf8ce72f19895c7b314eb0a97fe8220a0b0601908f", kill_on_drop: false }`
[INFO] [stdout] 367e396508647a966710d4cf8ce72f19895c7b314eb0a97fe8220a0b0601908f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16bcc3b78ec5c9129b1b04a0d9f2015930609d63a86bf90e5d430950b458a714
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16bcc3b78ec5c9129b1b04a0d9f2015930609d63a86bf90e5d430950b458a714", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/window.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let size = try!(reader.read(front.as_mut_slice()));
[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/window.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let size = try!(reader.read(back.as_mut_slice()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/window.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(self.load_next_block());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/window.rs:58:20
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let size = try!(self.reader.read(self.back.as_mut_slice()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hashing.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |             read_size = try!(data_source.read(&mut block));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:142:26
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let mut window = try!(Window::new(new_data, self.block_size));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:185:40
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     let (tail, head) = try!(window.advance());
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:208:36
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 let (tail, head) = try!(window.advance());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:234:29
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:250:25
[INFO] [stderr]     |
[INFO] [stderr] 250 |             read_size = try!(data_source.read(&mut block));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             try!(writer.write(strong));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 |         try!(reader.read(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         try!(reader.read(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             try!(reader.read(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |             try!(reader.read(&mut strong_hash));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         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/lib.rs:196:32
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 new_bytes.push(try!(old_bytes.next().unwrap()).clone());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 |             new_bytes.push(try!(byte));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         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/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(file.set_len(new_bytes.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         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/lib.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(insert.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         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/lib.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(delete.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         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/lib.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         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/lib.rs:299:9
[INFO] [stderr]     |
[INFO] [stderr] 299 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:301:9
[INFO] [stderr]     |
[INFO] [stderr] 301 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         try!(writer.write(&self.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         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/lib.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         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/lib.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         try!(reader.read_exact(&mut data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:346:9
[INFO] [stderr]     |
[INFO] [stderr] 346 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         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/lib.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/file_watcher.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let file = try!(fs::File::open(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]   --> examples/file_watcher.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let file = try!(fs::File::open(file));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/window.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let size = try!(reader.read(front.as_mut_slice()));
[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/window.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let size = try!(reader.read(back.as_mut_slice()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/window.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(self.load_next_block());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/window.rs:58:20
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let size = try!(self.reader.read(self.back.as_mut_slice()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hashing.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |             read_size = try!(data_source.read(&mut block));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/file_watcher.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let diffs = try!(hashes.diff_and_update(file));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/file_watcher.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |   let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/file_watcher.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |   try!(watcher.watch(file_name));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:142:26
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let mut window = try!(Window::new(new_data, self.block_size));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:185:40
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     let (tail, head) = try!(window.advance());
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:208:36
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 let (tail, head) = try!(window.advance());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:234:29
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let mut read_size = try!(data_source.read(&mut block));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:250:25
[INFO] [stderr]     |
[INFO] [stderr] 250 |             read_size = try!(data_source.read(&mut block));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             try!(writer.write(&int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             try!(writer.write(strong));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 |         try!(reader.read(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         try!(reader.read(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             try!(reader.read(&mut int_buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hashing.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |             try!(reader.read(&mut strong_hash));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         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/lib.rs:196:32
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 new_bytes.push(try!(old_bytes.next().unwrap()).clone());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 |             new_bytes.push(try!(byte));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         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/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(file.set_len(new_bytes.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         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/lib.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             try!(insert.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         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/lib.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(delete.compress_to(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         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/lib.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         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/lib.rs:299:9
[INFO] [stderr]     |
[INFO] [stderr] 299 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:301:9
[INFO] [stderr]     |
[INFO] [stderr] 301 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         try!(writer.write(&self.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         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/lib.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         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/lib.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         try!(reader.read_exact(&mut data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:346:9
[INFO] [stderr]     |
[INFO] [stderr] 346 |         try!(writer.write(&int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         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/lib.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |         try!(reader.read_exact(&mut int_buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rdiff-f0d2c0c8d4fbf2c7
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test hashing::test::deletions ... ok
[INFO] [stdout] test window::test::frame_iterator ... ok
[INFO] [stdout] test hashing::test::rolling_hash_small ... ok
[INFO] [stdout] test hashing::test::hash_blocks_init ... ok
[INFO] [stdout] test window::test::advance ... ok
[INFO] [stdout] test hashing::test::empty_hashes ... ok
[INFO] [stdout] test hashing::test::delete_on_boundry ... ok
[INFO] [stderr]    Doc-tests rdiff
[INFO] [stdout] test test::applying_diff_to_string ... ok
[INFO] [stdout] test string_diff::test::score ... ok
[INFO] [stdout] test hashing::test::multiple_overwrites ... ok
[INFO] [stdout] test hashing::test::no_change ... ok
[INFO] [stdout] test hashing::test::insertions ... ok
[INFO] [stdout] test hashing::test::insertions_and_deletions ... ok
[INFO] [stdout] test string_diff::test::do_find_diff ... ok
[INFO] [stdout] test hashing::test::rolling_hash_big ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/string_diff.rs - string_diff::find_diff (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/hashing.rs - hashing::BlockHashes::diff_and_update (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16bcc3b78ec5c9129b1b04a0d9f2015930609d63a86bf90e5d430950b458a714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bcc3b78ec5c9129b1b04a0d9f2015930609d63a86bf90e5d430950b458a714", kill_on_drop: false }`
[INFO] [stdout] 16bcc3b78ec5c9129b1b04a0d9f2015930609d63a86bf90e5d430950b458a714