[INFO] crate rustabi 6.1.0 is already in cache
[INFO] checking rustabi-6.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rustabi 6.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustabi 6.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustabi 6.1.0
[INFO] finished tweaking crates.io crate rustabi 6.1.0
[INFO] tweaked toml for crates.io crate rustabi 6.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a6fa9618777b8c6e854a31014cb7d22c4782b9ae1a3fdd2ce6593b092ded2e0
[INFO] running `"docker" "start" "-a" "2a6fa9618777b8c6e854a31014cb7d22c4782b9ae1a3fdd2ce6593b092ded2e0"`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking s-types-serialize v0.2.1
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking sbloom v0.5.1
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stderr]     Checking s-types v0.4.0
[INFO] [stderr]     Checking rustabi v6.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 let subtype = try!(Reader::read(&name[..count - 2]));
[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/param_type/reader.rs:28:15
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let len = try!(usize::from_str_radix(&num, 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 let subtype = try!(Reader::read(&name[..count - num.len() - 2]));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:42:15
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let len = try!(usize::from_str_radix(&s[3..], 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let len = try!(usize::from_str_radix(&s[4..], 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let len = try!(usize::from_str_radix(&s[5..], 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/lenient.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let uint = try!(u32::from_str_radix(value, 10));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/lenient.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let int = try!(i32::from_str_radix(value, 10));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let hex = try!(value.from_hex());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/mod.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let result = try!(Self::tokenize_array(value, param));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/mod.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |                         let token = try!(Self::tokenize(param, sub));
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/mod.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     let token = try!(Self::tokenize(param, sub));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:63:15
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let slice = try!(peek(slices, position + i)).clone();
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:16
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:115:16
[INFO] [stderr]     |
[INFO] [stderr] 115 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let b = try!(as_bool(slice));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let taken = try!(take_bytes(slices, offset, len));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:137:23
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let offset_slice = try!(peek(slices, offset));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:138:22
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let len_offset = (try!(as_u32(offset_slice)) / 32) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:140:20
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let len_slice = try!(peek(slices, len_offset));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:141:14
[INFO] [stderr]     |
[INFO] [stderr] 141 |             let len = try!(as_u32(len_slice)) as usize;
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:143:16
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let taken = try!(take_bytes(slices, len_offset + 1, len));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let offset_slice = try!(peek(slices, offset));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let len_offset = (try!(as_u32(offset_slice)) / 32) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let len_slice = try!(peek(slices, len_offset));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:157:14
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let len = try!(as_u32(len_slice)) as usize;
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:159:16
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let taken = try!(take_bytes(slices, len_offset + 1, len));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:162:26
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 token: Token::String(try!(String::from_utf8(taken.bytes))),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:169:23
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let offset_slice = try!(peek(slices, offset));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:170:22
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let len_offset = (try!(as_u32(offset_slice)) / 32) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:172:20
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let len_slice = try!(peek(slices, len_offset));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:173:14
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let len = try!(as_u32(len_slice)) as usize;
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:179:15
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let res = try!(decode_param(t, &slices, new_offset));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:195:15
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 let res = try!(decode_param(t, &slices, new_offset));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/event.rs:135:22
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let topic_tokens = try!(decode(&topic_types, &flat_topics));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/event.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let data_tokens = try!(decode(&data_types, &data));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operation.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operation.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let map = try!(cloned.as_object().ok_or_else(|| SerdeError::custom("Invalid operation")));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operation.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let s = try!(map.get("type").and_then(Value::as_str).ok_or_else(|| SerdeError::custom("Invalid operation type")));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 let subtype = try!(Reader::read(&name[..count - 2]));
[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/param_type/reader.rs:28:15
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let len = try!(usize::from_str_radix(&num, 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 let subtype = try!(Reader::read(&name[..count - num.len() - 2]));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:42:15
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let len = try!(usize::from_str_radix(&s[3..], 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let len = try!(usize::from_str_radix(&s[4..], 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/param_type/reader.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let len = try!(usize::from_str_radix(&s[5..], 10));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/lenient.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let uint = try!(u32::from_str_radix(value, 10));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/lenient.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let int = try!(i32::from_str_radix(value, 10));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let hex = try!(value.from_hex());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/strict.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let hex : Vec<u8> = try!(value.from_hex());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/mod.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let result = try!(Self::tokenize_array(value, param));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/mod.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |                         let token = try!(Self::tokenize(param, sub));
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/token/mod.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     let token = try!(Self::tokenize(param, sub));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:63:15
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let slice = try!(peek(slices, position + i)).clone();
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:16
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:115:16
[INFO] [stderr]     |
[INFO] [stderr] 115 |             let slice = try!(peek(slices, offset));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let b = try!(as_bool(slice));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let taken = try!(take_bytes(slices, offset, len));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:137:23
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let offset_slice = try!(peek(slices, offset));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:138:22
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let len_offset = (try!(as_u32(offset_slice)) / 32) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:140:20
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let len_slice = try!(peek(slices, len_offset));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:141:14
[INFO] [stderr]     |
[INFO] [stderr] 141 |             let len = try!(as_u32(len_slice)) as usize;
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:143:16
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let taken = try!(take_bytes(slices, len_offset + 1, len));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let offset_slice = try!(peek(slices, offset));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let len_offset = (try!(as_u32(offset_slice)) / 32) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let len_slice = try!(peek(slices, len_offset));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:157:14
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let len = try!(as_u32(len_slice)) as usize;
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:159:16
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let taken = try!(take_bytes(slices, len_offset + 1, len));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:162:26
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 token: Token::String(try!(String::from_utf8(taken.bytes))),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:169:23
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let offset_slice = try!(peek(slices, offset));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:170:22
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let len_offset = (try!(as_u32(offset_slice)) / 32) as usize;
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:172:20
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let len_slice = try!(peek(slices, len_offset));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:173:14
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let len = try!(as_u32(len_slice)) as usize;
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:179:15
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let res = try!(decode_param(t, &slices, new_offset));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:195:15
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 let res = try!(decode_param(t, &slices, new_offset));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/event.rs:135:22
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let topic_tokens = try!(decode(&topic_types, &flat_topics));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/event.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let data_tokens = try!(decode(&data_types, &data));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operation.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let v: Value = try!(Deserialize::deserialize(deserializer));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operation.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let map = try!(cloned.as_object().ok_or_else(|| SerdeError::custom("Invalid operation")));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/operation.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let s = try!(map.get("type").and_then(Value::as_str).ok_or_else(|| SerdeError::custom("Invalid operation type")));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `"docker" "inspect" "2a6fa9618777b8c6e854a31014cb7d22c4782b9ae1a3fdd2ce6593b092ded2e0"`
[INFO] running `"docker" "rm" "-f" "2a6fa9618777b8c6e854a31014cb7d22c4782b9ae1a3fdd2ce6593b092ded2e0"`
[INFO] [stdout] 2a6fa9618777b8c6e854a31014cb7d22c4782b9ae1a3fdd2ce6593b092ded2e0
