[INFO] crate sequencefile 0.1.4 is already in cache
[INFO] testing sequencefile-0.1.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate sequencefile 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sequencefile 0.1.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sequencefile 0.1.4
[INFO] finished tweaking crates.io crate sequencefile 0.1.4
[INFO] tweaked toml for crates.io crate sequencefile 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 444d3e1b5d6ff2be1c65687c6fd6c0cc6a852e1f2fb58446cc1eeede99daf201
[INFO] running `"docker" "start" "-a" "444d3e1b5d6ff2be1c65687c6fd6c0cc6a852e1f2fb58446cc1eeede99daf201"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling bzip2 v0.2.4
[INFO] [stderr]    Compiling sequencefile v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Codec::Gzip => decompress(&mut try!(GzDecoder::new(buffer))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(decompressor.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let header = try!(read_header(&mut br));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(reader.read_exact(&mut magic));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(reader.read_exact(&mut version));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let key_class = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:69:23
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let value_class = try!(read_string(reader));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(reader.read_exact(&mut flags));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let codec = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let pair_count = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:101:19
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let key = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let val = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(reader.read(&mut sync_marker));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let kv_length = try!(reader.reader.read_i32::<BigEndian>()) as i64;
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(reader.reader.read_exact(&mut last_sync_marker));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let (key, value) = try!(read_kv(kv_length as isize,
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let kv_count = try!(reader.reader.decode_vint64()) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let kl_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut c = try!(key_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 let len = try!(c.decode_vint64()) as usize;
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let key_length_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let mut c = try!(decompressed_keys.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(c.read_exact(&mut k)); // todo errors
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:192:31
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let val_lengths = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut c = try!(decompressed_val_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:30
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let val_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut c = try!(decompressed_vals.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 try!(c.read_exact(&mut v));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:229:20
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let k_length = try!(reader.read_i32::<BigEndian>()) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     try!(reader.read(&mut buffer));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let decompressed = try!(compress::decompressor(codec, &buffer[v_start..v_end]));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let value_length = try!(reader.read_u8()) as usize;
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     try!(reader.read_exact(&mut string));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let key_len = try!(reader.decode_vint64()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     try!(reader.read_exact(&mut key_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::BadEncoding(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Error::UnexpectedDecoderError(ref e) => e.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/compress.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/reader.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 43 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `"docker" "inspect" "444d3e1b5d6ff2be1c65687c6fd6c0cc6a852e1f2fb58446cc1eeede99daf201"`
[INFO] running `"docker" "rm" "-f" "444d3e1b5d6ff2be1c65687c6fd6c0cc6a852e1f2fb58446cc1eeede99daf201"`
[INFO] [stdout] 444d3e1b5d6ff2be1c65687c6fd6c0cc6a852e1f2fb58446cc1eeede99daf201
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0438b3676a281af28fe5126661420b1af1842e04ac8e6ed521a64d0dea688c7
[INFO] running `"docker" "start" "-a" "a0438b3676a281af28fe5126661420b1af1842e04ac8e6ed521a64d0dea688c7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sequencefile v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Codec::Gzip => decompress(&mut try!(GzDecoder::new(buffer))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(decompressor.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let header = try!(read_header(&mut br));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(reader.read_exact(&mut magic));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(reader.read_exact(&mut version));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let key_class = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:69:23
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let value_class = try!(read_string(reader));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(reader.read_exact(&mut flags));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let codec = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let pair_count = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:101:19
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let key = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let val = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(reader.read(&mut sync_marker));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let kv_length = try!(reader.reader.read_i32::<BigEndian>()) as i64;
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(reader.reader.read_exact(&mut last_sync_marker));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let (key, value) = try!(read_kv(kv_length as isize,
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let kv_count = try!(reader.reader.decode_vint64()) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let kl_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut c = try!(key_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 let len = try!(c.decode_vint64()) as usize;
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let key_length_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let mut c = try!(decompressed_keys.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(c.read_exact(&mut k)); // todo errors
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:192:31
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let val_lengths = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut c = try!(decompressed_val_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:30
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let val_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut c = try!(decompressed_vals.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 try!(c.read_exact(&mut v));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:229:20
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let k_length = try!(reader.read_i32::<BigEndian>()) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     try!(reader.read(&mut buffer));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let decompressed = try!(compress::decompressor(codec, &buffer[v_start..v_end]));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let value_length = try!(reader.read_u8()) as usize;
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     try!(reader.read_exact(&mut string));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let key_len = try!(reader.decode_vint64()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     try!(reader.read_exact(&mut key_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::BadEncoding(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Error::UnexpectedDecoderError(ref e) => e.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/compress.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/reader.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
[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/compress.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Codec::Gzip => decompress(&mut try!(GzDecoder::new(buffer))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(decompressor.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let header = try!(read_header(&mut br));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(reader.read_exact(&mut magic));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(reader.read_exact(&mut version));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let key_class = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:69:23
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let value_class = try!(read_string(reader));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(reader.read_exact(&mut flags));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let codec = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let pair_count = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:101:19
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let key = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let val = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(reader.read(&mut sync_marker));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let kv_length = try!(reader.reader.read_i32::<BigEndian>()) as i64;
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(reader.reader.read_exact(&mut last_sync_marker));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let (key, value) = try!(read_kv(kv_length as isize,
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let kv_count = try!(reader.reader.decode_vint64()) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let kl_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut c = try!(key_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 let len = try!(c.decode_vint64()) as usize;
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let key_length_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let mut c = try!(decompressed_keys.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(c.read_exact(&mut k)); // todo errors
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:192:31
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let val_lengths = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut c = try!(decompressed_val_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:30
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let val_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut c = try!(decompressed_vals.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 try!(c.read_exact(&mut v));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:229:20
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let k_length = try!(reader.read_i32::<BigEndian>()) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     try!(reader.read(&mut buffer));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let decompressed = try!(compress::decompressor(codec, &buffer[v_start..v_end]));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let value_length = try!(reader.read_u8()) as usize;
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     try!(reader.read_exact(&mut string));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let key_len = try!(reader.decode_vint64()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     try!(reader.read_exact(&mut key_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:349:20
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let file = try!(File::open(&path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:351:12
[INFO] [stderr]     |
[INFO] [stderr] 351 |         Ok(try!(reader::Reader::new(file)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:355:23
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let seqfile = try!(reader_for(filename));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/util.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use std::io::{Read, Cursor};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::BadEncoding(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Error::UnexpectedDecoderError(ref e) => e.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/compress.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/reader.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 47 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "a0438b3676a281af28fe5126661420b1af1842e04ac8e6ed521a64d0dea688c7"`
[INFO] running `"docker" "rm" "-f" "a0438b3676a281af28fe5126661420b1af1842e04ac8e6ed521a64d0dea688c7"`
[INFO] [stdout] a0438b3676a281af28fe5126661420b1af1842e04ac8e6ed521a64d0dea688c7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 7b4359dfd83f9662c91a6bef1976518fcbee508cdb29b75b863b99f7dd52a28c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7b4359dfd83f9662c91a6bef1976518fcbee508cdb29b75b863b99f7dd52a28c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Codec::Gzip => decompress(&mut try!(GzDecoder::new(buffer))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(decompressor.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let header = try!(read_header(&mut br));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(reader.read_exact(&mut magic));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(reader.read_exact(&mut version));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let key_class = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:69:23
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let value_class = try!(read_string(reader));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(reader.read_exact(&mut flags));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let codec = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let pair_count = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:101:19
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let key = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let val = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(reader.read(&mut sync_marker));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let kv_length = try!(reader.reader.read_i32::<BigEndian>()) as i64;
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(reader.reader.read_exact(&mut last_sync_marker));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let (key, value) = try!(read_kv(kv_length as isize,
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let kv_count = try!(reader.reader.decode_vint64()) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let kl_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut c = try!(key_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 let len = try!(c.decode_vint64()) as usize;
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let key_length_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let mut c = try!(decompressed_keys.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(c.read_exact(&mut k)); // todo errors
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:192:31
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let val_lengths = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut c = try!(decompressed_val_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:30
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let val_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut c = try!(decompressed_vals.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 try!(c.read_exact(&mut v));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:229:20
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let k_length = try!(reader.read_i32::<BigEndian>()) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     try!(reader.read(&mut buffer));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let decompressed = try!(compress::decompressor(codec, &buffer[v_start..v_end]));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let value_length = try!(reader.read_u8()) as usize;
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     try!(reader.read_exact(&mut string));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let key_len = try!(reader.decode_vint64()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     try!(reader.read_exact(&mut key_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::BadEncoding(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Error::UnexpectedDecoderError(ref e) => e.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/compress.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/reader.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
[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/compress.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Codec::Gzip => decompress(&mut try!(GzDecoder::new(buffer))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compress.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(decompressor.read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 try!(self.read_exact(&mut raw_buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let header = try!(read_header(&mut br));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(reader.read_exact(&mut magic));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(reader.read_exact(&mut version));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let key_class = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:69:23
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let value_class = try!(read_string(reader));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(reader.read_exact(&mut flags));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let codec = try!(read_string(reader));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let pair_count = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:101:19
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let key = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let val = try!(read_buf(reader).map(|b| String::from_utf8_lossy(b.as_ref()).to_string()));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(reader.read(&mut sync_marker));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:147:25
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let kv_length = try!(reader.reader.read_i32::<BigEndian>()) as i64;
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(reader.reader.read_exact(&mut last_sync_marker));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let (key, value) = try!(read_kv(kv_length as isize,
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             let kv_count = try!(reader.reader.decode_vint64()) as usize;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let kl_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut c = try!(key_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:178:27
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 let len = try!(c.decode_vint64()) as usize;
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let key_length_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let mut c = try!(decompressed_keys.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(c.read_exact(&mut k)); // todo errors
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:192:31
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let val_lengths = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut c = try!(decompressed_val_lengths.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:202:30
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let val_buffer = try!(read_buf(&mut reader.reader));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut c = try!(decompressed_vals.map(|kl| io::Cursor::new(kl)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 try!(c.read_exact(&mut v));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:229:20
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let k_length = try!(reader.read_i32::<BigEndian>()) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     try!(reader.read(&mut buffer));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let decompressed = try!(compress::decompressor(codec, &buffer[v_start..v_end]));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:272:24
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let value_length = try!(reader.read_u8()) as usize;
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:275:5
[INFO] [stderr]     |
[INFO] [stderr] 275 |     try!(reader.read_exact(&mut string));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let key_len = try!(reader.decode_vint64()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     try!(reader.read_exact(&mut key_buf));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:349:20
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let file = try!(File::open(&path));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:351:12
[INFO] [stderr]     |
[INFO] [stderr] 351 |         Ok(try!(reader::Reader::new(file)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:355:23
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let seqfile = try!(reader_for(filename));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/util.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use std::io::{Read, Cursor};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:51:44
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::BadEncoding(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Error::UnexpectedDecoderError(ref e) => e.description(),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/compress.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/reader.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 47 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sequencefile-89c634349ad0ba08
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test util::tests::decodes_multi_byte ... ok
[INFO] [stdout] test reader::tests::abc_long_text_deflate_block ... ok
[INFO] [stdout] test util::tests::decodes_single_byte ... ok
[INFO] [stdout] test util::tests::decodes_multi_byte_negative ... ok
[INFO] [stdout] test reader::tests::abc_long_text_bzip2_record ... ok
[INFO] [stdout] test reader::tests::abc_long_text_gzip_block ... ok
[INFO] [stdout] test reader::tests::abc_long_text_none ... ok
[INFO] [stdout] test reader::tests::abc_long_text_deflate_record ... ok
[INFO] [stdout] test reader::tests::abc_long_text_bzip2_block ... ok
[INFO] [stdout] test reader::tests::abc_long_text_gzip_record ... ok
[INFO] [stdout] test reader::tests::reads_metadata ... ok
[INFO] [stdout] test reader::tests::read_checks_magic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sequencefile
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 4) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7b4359dfd83f9662c91a6bef1976518fcbee508cdb29b75b863b99f7dd52a28c"`
[INFO] running `"docker" "rm" "-f" "7b4359dfd83f9662c91a6bef1976518fcbee508cdb29b75b863b99f7dd52a28c"`
[INFO] [stdout] 7b4359dfd83f9662c91a6bef1976518fcbee508cdb29b75b863b99f7dd52a28c