[INFO] crate crdt_fileset 0.1.1 is already in cache
[INFO] testing crdt_fileset-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate crdt_fileset 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crdt_fileset 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crdt_fileset 0.1.1
[INFO] finished tweaking crates.io crate crdt_fileset 0.1.1
[INFO] tweaked toml for crates.io crate crdt_fileset 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22efb62bcb031cac406177f58bb3ddcf8076727ddf5d89cfaf26f99b52cef7d8
[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" "22efb62bcb031cac406177f58bb3ddcf8076727ddf5d89cfaf26f99b52cef7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22efb62bcb031cac406177f58bb3ddcf8076727ddf5d89cfaf26f99b52cef7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22efb62bcb031cac406177f58bb3ddcf8076727ddf5d89cfaf26f99b52cef7d8", kill_on_drop: false }`
[INFO] [stdout] 22efb62bcb031cac406177f58bb3ddcf8076727ddf5d89cfaf26f99b52cef7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7203853224da0c3e68e0446cd96d66cfd62055b0cf5f8146d0f77feedc185b4
[INFO] running `Command { std: "docker" "start" "-a" "d7203853224da0c3e68e0446cd96d66cfd62055b0cf5f8146d0f77feedc185b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crdt_fileset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         try!(writer.write(&int_buf));
[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/serialization.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         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/serialization.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         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/serialization.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         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/serialization.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             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/serialization.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             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/serialization.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             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/serialization.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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/serialization.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 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/serialization.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             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/serialization.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             try!(writer.write(bytes));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             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/serialization.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 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/serialization.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 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/serialization.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 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/serialization.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         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/serialization.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         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/serialization.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         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/serialization.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         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/serialization.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             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/serialization.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             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/serialization.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             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/serialization.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             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/serialization.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let printed_filename = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             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/serialization.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let key = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 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/serialization.rs:101:29
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let value = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serialization.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     try!(reader.read_exact(int_buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serialization.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(reader.read_exact(&mut str_vec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:408:22
[INFO] [stdout]     |
[INFO] [stdout] 408 |         for entry in try!(fs::read_dir(actual_path)) {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:409:25
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let entry = try!(entry);
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |                 try!(self.scan_dir(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:414:17
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 try!(self.check_for_file(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:428:61
[INFO] [stdout]     |
[INFO] [stdout] 428 |                     let (local_changes, local_timestamps) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:434:21
[INFO] [stdout]     |
[INFO] [stdout] 434 |                     try!(self.updater.update_file(&relative_path, timestamp_lookup, &mut remote_file.operation_history))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:444:57
[INFO] [stdout]     |
[INFO] [stdout] 444 |                     let (local_changes, local_lookup) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:461:34
[INFO] [stdout]     |
[INFO] [stdout] 461 |             let mut store_file = try!(fs::File::create(store_path.as_path()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(self.compress_to(&mut store_file));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         try!(writeln!(f, "files: {:?}", self.files));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "d7203853224da0c3e68e0446cd96d66cfd62055b0cf5f8146d0f77feedc185b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7203853224da0c3e68e0446cd96d66cfd62055b0cf5f8146d0f77feedc185b4", kill_on_drop: false }`
[INFO] [stdout] d7203853224da0c3e68e0446cd96d66cfd62055b0cf5f8146d0f77feedc185b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e085a517705e8fd2e0b521c6f299db743ab8450bb2961aa8b12a5bad8489846d
[INFO] running `Command { std: "docker" "start" "-a" "e085a517705e8fd2e0b521c6f299db743ab8450bb2961aa8b12a5bad8489846d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crdt_fileset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         try!(writer.write(&int_buf));
[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/serialization.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         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/serialization.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         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/serialization.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         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/serialization.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             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/serialization.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             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/serialization.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             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/serialization.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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/serialization.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 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/serialization.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             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/serialization.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             try!(writer.write(bytes));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             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/serialization.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 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/serialization.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 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/serialization.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 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/serialization.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         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/serialization.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         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/serialization.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         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/serialization.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         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/serialization.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             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/serialization.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             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/serialization.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             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/serialization.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             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/serialization.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let printed_filename = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             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/serialization.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let key = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 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/serialization.rs:101:29
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let value = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serialization.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     try!(reader.read_exact(int_buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serialization.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(reader.read_exact(&mut str_vec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:408:22
[INFO] [stdout]     |
[INFO] [stdout] 408 |         for entry in try!(fs::read_dir(actual_path)) {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:409:25
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let entry = try!(entry);
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |                 try!(self.scan_dir(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:414:17
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 try!(self.check_for_file(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:428:61
[INFO] [stdout]     |
[INFO] [stdout] 428 |                     let (local_changes, local_timestamps) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:434:21
[INFO] [stdout]     |
[INFO] [stdout] 434 |                     try!(self.updater.update_file(&relative_path, timestamp_lookup, &mut remote_file.operation_history))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:444:57
[INFO] [stdout]     |
[INFO] [stdout] 444 |                     let (local_changes, local_lookup) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:461:34
[INFO] [stdout]     |
[INFO] [stdout] 461 |             let mut store_file = try!(fs::File::create(store_path.as_path()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(self.compress_to(&mut store_file));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         try!(writeln!(f, "files: {:?}", self.files));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         try!(writer.write(&int_buf));
[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/serialization.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         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/serialization.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         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/serialization.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         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/serialization.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             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/serialization.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             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/serialization.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             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/serialization.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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/serialization.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 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/serialization.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             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/serialization.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             try!(writer.write(bytes));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             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/serialization.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 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/serialization.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 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/serialization.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 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/serialization.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(writer.write(bytes));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         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/serialization.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         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/serialization.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         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/serialization.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         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/serialization.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             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/serialization.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             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/serialization.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             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/serialization.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             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/serialization.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let printed_filename = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |             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/serialization.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let key = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/serialization.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 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/serialization.rs:101:29
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let value = try!(read_str(reader, &mut int_buf));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serialization.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     try!(reader.read_exact(int_buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serialization.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(reader.read_exact(&mut str_vec));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:408:22
[INFO] [stdout]     |
[INFO] [stdout] 408 |         for entry in try!(fs::read_dir(actual_path)) {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:409:25
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let entry = try!(entry);
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |                 try!(self.scan_dir(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:414:17
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 try!(self.check_for_file(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:428:61
[INFO] [stdout]     |
[INFO] [stdout] 428 |                     let (local_changes, local_timestamps) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:434:21
[INFO] [stdout]     |
[INFO] [stdout] 434 |                     try!(self.updater.update_file(&relative_path, timestamp_lookup, &mut remote_file.operation_history))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:444:57
[INFO] [stdout]     |
[INFO] [stdout] 444 |                     let (local_changes, local_lookup) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:461:34
[INFO] [stdout]     |
[INFO] [stdout] 461 |             let mut store_file = try!(fs::File::create(store_path.as_path()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(self.compress_to(&mut store_file));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         try!(writeln!(f, "files: {:?}", self.files));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "e085a517705e8fd2e0b521c6f299db743ab8450bb2961aa8b12a5bad8489846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e085a517705e8fd2e0b521c6f299db743ab8450bb2961aa8b12a5bad8489846d", kill_on_drop: false }`
[INFO] [stdout] e085a517705e8fd2e0b521c6f299db743ab8450bb2961aa8b12a5bad8489846d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c9dba20a42f8b76f783975f48c845b81e74e9a3dc6b049f2aa5018f8832e80f
[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" "8c9dba20a42f8b76f783975f48c845b81e74e9a3dc6b049f2aa5018f8832e80f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 try!(writer.write(bytes));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(writer.write(bytes));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 try!(writer.write(bytes));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 try!(writer.write(bytes));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         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/serialization.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         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/serialization.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         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/serialization.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         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/serialization.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             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/serialization.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             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/serialization.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             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/serialization.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |             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/serialization.rs:91:36
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let printed_filename = try!(read_str(reader, &mut int_buf));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             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/serialization.rs:98:27
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let key = try!(read_str(reader, &mut int_buf));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 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/serialization.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let value = try!(read_str(reader, &mut int_buf));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialization.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     try!(reader.read_exact(int_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialization.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     try!(reader.read_exact(&mut str_vec));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:408:22
[INFO] [stderr]     |
[INFO] [stderr] 408 |         for entry in try!(fs::read_dir(actual_path)) {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:409:25
[INFO] [stderr]     |
[INFO] [stderr] 409 |             let entry = try!(entry);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:412:17
[INFO] [stderr]     |
[INFO] [stderr] 412 |                 try!(self.scan_dir(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:414:17
[INFO] [stderr]     |
[INFO] [stderr] 414 |                 try!(self.check_for_file(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:428:61
[INFO] [stderr]     |
[INFO] [stderr] 428 |                     let (local_changes, local_timestamps) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:434:21
[INFO] [stderr]     |
[INFO] [stderr] 434 |                     try!(self.updater.update_file(&relative_path, timestamp_lookup, &mut remote_file.operation_history))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:444:57
[INFO] [stderr]     |
[INFO] [stderr] 444 |                     let (local_changes, local_lookup) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:461:34
[INFO] [stderr]     |
[INFO] [stderr] 461 |             let mut store_file = try!(fs::File::create(store_path.as_path()));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(self.compress_to(&mut store_file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |         try!(writeln!(f, "files: {:?}", self.files));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 43 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(writer.write(&int_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 try!(writer.write(bytes));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(writer.write(bytes));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             try!(writer.write(&int_buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 try!(writer.write(bytes));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 try!(writer.write(&int_buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 try!(writer.write(bytes));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         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/serialization.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         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/serialization.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         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/serialization.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         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/serialization.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             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/serialization.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             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/serialization.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             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/serialization.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |             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/serialization.rs:91:36
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let printed_filename = try!(read_str(reader, &mut int_buf));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |             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/serialization.rs:98:27
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let key = try!(read_str(reader, &mut int_buf));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialization.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 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/serialization.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 let value = try!(read_str(reader, &mut int_buf));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialization.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     try!(reader.read_exact(int_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialization.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     try!(reader.read_exact(&mut str_vec));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:408:22
[INFO] [stderr]     |
[INFO] [stderr] 408 |         for entry in try!(fs::read_dir(actual_path)) {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:409:25
[INFO] [stderr]     |
[INFO] [stderr] 409 |             let entry = try!(entry);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:412:17
[INFO] [stderr]     |
[INFO] [stderr] 412 |                 try!(self.scan_dir(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:414:17
[INFO] [stderr]     |
[INFO] [stderr] 414 |                 try!(self.check_for_file(base_path, path.as_path(), remote_files, timestamp_lookup, operations));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:428:61
[INFO] [stderr]     |
[INFO] [stderr] 428 |                     let (local_changes, local_timestamps) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:434:21
[INFO] [stderr]     |
[INFO] [stderr] 434 |                     try!(self.updater.update_file(&relative_path, timestamp_lookup, &mut remote_file.operation_history))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:444:57
[INFO] [stderr]     |
[INFO] [stderr] 444 |                     let (local_changes, local_lookup) = try!(self.updater.get_local_changes(relative_path));
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:461:34
[INFO] [stderr]     |
[INFO] [stderr] 461 |             let mut store_file = try!(fs::File::create(store_path.as_path()));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(self.compress_to(&mut store_file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |         try!(writeln!(f, "files: {:?}", self.files));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 43 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crdt_fileset-372fdfba59feafc6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lookup::test::remove_nodes ... ok
[INFO] [stdout] test lookup::test::insert_nodes ... ok
[INFO] [stdout] test lookup::test::remove_folders ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crdt_fileset
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c9dba20a42f8b76f783975f48c845b81e74e9a3dc6b049f2aa5018f8832e80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9dba20a42f8b76f783975f48c845b81e74e9a3dc6b049f2aa5018f8832e80f", kill_on_drop: false }`
[INFO] [stdout] 8c9dba20a42f8b76f783975f48c845b81e74e9a3dc6b049f2aa5018f8832e80f