[INFO] crate memcached-protocal 0.1.11 is already in cache
[INFO] testing memcached-protocal-0.1.11 against 1.44.0 for beta-1.45-1
[INFO] extracting crate memcached-protocal 0.1.11 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate memcached-protocal 0.1.11 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 memcached-protocal 0.1.11
[INFO] finished tweaking crates.io crate memcached-protocal 0.1.11
[INFO] tweaked toml for crates.io crate memcached-protocal 0.1.11 written to /workspace/builds/worker-2/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-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=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] fe39cc3333d892f21cff8f97f1dc461cd98aa0ce2fe95f35a72312205d5860f8
[INFO] running `"docker" "start" "-a" "fe39cc3333d892f21cff8f97f1dc461cd98aa0ce2fe95f35a72312205d5860f8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling error-chain v0.2.2
[INFO] [stderr]    Compiling memcached-protocal v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let cmd_line = try!(read_until(reader, "\r\n"));
[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/command/store_command.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let bytes = try!(segments[4].parse::<u64>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(try!(segments[5].parse::<u64>()))
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _ = try!(reader.read_exact(&mut data_block));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if try!(read_until(reader, "\r\n")) != vec![] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |             flags: try!(segments[2].parse::<u16>()),
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             exptime: try!(segments[3].parse::<u32>()),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let buf = try!(peek_until(reader, "\r\n"));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cmd_str = try!(String::from_utf8(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:33:75
[INFO] [stderr]    |
[INFO] [stderr] 33 |         "set" | "add" | "replace" | "append" | "prepend" | "cas" => Store(try!(StoreCommand::parse(reader))),
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         "get" | "gets" => Retrieval(try!(RetrievalCommand::parse(reader))),
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |         "delete" => Delete(try!(DeletionCommand::parse(reader))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(&mut buf, "VALUE {} {} {} ", self.key, self.flags, self.bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(&mut buf, "{} ", self.cas_unique.unwrap()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(buf.write(b"\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             buf.extend_from_slice(&try!(item.to_bytes()));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(buf.write(b"END\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StatsResponse`
[INFO] [stderr]  --> src/response/stats_response.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type StatsResponse = Vec<StatsResponseItem>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "fe39cc3333d892f21cff8f97f1dc461cd98aa0ce2fe95f35a72312205d5860f8"`
[INFO] running `"docker" "rm" "-f" "fe39cc3333d892f21cff8f97f1dc461cd98aa0ce2fe95f35a72312205d5860f8"`
[INFO] [stdout] fe39cc3333d892f21cff8f97f1dc461cd98aa0ce2fe95f35a72312205d5860f8
[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=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] [stdout] db485d8bdaea800bf15a9e0e908a9a91d69e786008387b36ab84fb4b67629273
[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" "db485d8bdaea800bf15a9e0e908a9a91d69e786008387b36ab84fb4b67629273"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memcached-protocal v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let cmd_line = try!(read_until(reader, "\r\n"));
[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/command/store_command.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let bytes = try!(segments[4].parse::<u64>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(try!(segments[5].parse::<u64>()))
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _ = try!(reader.read_exact(&mut data_block));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if try!(read_until(reader, "\r\n")) != vec![] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |             flags: try!(segments[2].parse::<u16>()),
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             exptime: try!(segments[3].parse::<u32>()),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let buf = try!(peek_until(reader, "\r\n"));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cmd_str = try!(String::from_utf8(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:33:75
[INFO] [stderr]    |
[INFO] [stderr] 33 |         "set" | "add" | "replace" | "append" | "prepend" | "cas" => Store(try!(StoreCommand::parse(reader))),
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         "get" | "gets" => Retrieval(try!(RetrievalCommand::parse(reader))),
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |         "delete" => Delete(try!(DeletionCommand::parse(reader))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(&mut buf, "VALUE {} {} {} ", self.key, self.flags, self.bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(&mut buf, "{} ", self.cas_unique.unwrap()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(buf.write(b"\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             buf.extend_from_slice(&try!(item.to_bytes()));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(buf.write(b"END\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StatsResponse`
[INFO] [stderr]  --> src/response/stats_response.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type StatsResponse = Vec<StatsResponseItem>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let cmd_line = try!(read_until(reader, "\r\n"));
[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/command/store_command.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let bytes = try!(segments[4].parse::<u64>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(try!(segments[5].parse::<u64>()))
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _ = try!(reader.read_exact(&mut data_block));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if try!(read_until(reader, "\r\n")) != vec![] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |             flags: try!(segments[2].parse::<u16>()),
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             exptime: try!(segments[3].parse::<u32>()),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let buf = try!(peek_until(reader, "\r\n"));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cmd_str = try!(String::from_utf8(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:33:75
[INFO] [stderr]    |
[INFO] [stderr] 33 |         "set" | "add" | "replace" | "append" | "prepend" | "cas" => Store(try!(StoreCommand::parse(reader))),
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         "get" | "gets" => Retrieval(try!(RetrievalCommand::parse(reader))),
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |         "delete" => Delete(try!(DeletionCommand::parse(reader))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(&mut buf, "VALUE {} {} {} ", self.key, self.flags, self.bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(&mut buf, "{} ", self.cas_unique.unwrap()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(buf.write(b"\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             buf.extend_from_slice(&try!(item.to_bytes()));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(buf.write(b"END\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StatsResponse`
[INFO] [stderr]  --> src/response/stats_response.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type StatsResponse = Vec<StatsResponseItem>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "db485d8bdaea800bf15a9e0e908a9a91d69e786008387b36ab84fb4b67629273"`
[INFO] running `"docker" "rm" "-f" "db485d8bdaea800bf15a9e0e908a9a91d69e786008387b36ab84fb4b67629273"`
[INFO] [stdout] db485d8bdaea800bf15a9e0e908a9a91d69e786008387b36ab84fb4b67629273
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2e64f41236c97e0f9bb9291735b6ffc1153dd93264738efb6b05c7f34b05cae
[INFO] running `"docker" "start" "-a" "b2e64f41236c97e0f9bb9291735b6ffc1153dd93264738efb6b05c7f34b05cae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let cmd_line = try!(read_until(reader, "\r\n"));
[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/command/store_command.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let bytes = try!(segments[4].parse::<u64>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(try!(segments[5].parse::<u64>()))
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _ = try!(reader.read_exact(&mut data_block));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if try!(read_until(reader, "\r\n")) != vec![] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |             flags: try!(segments[2].parse::<u16>()),
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             exptime: try!(segments[3].parse::<u32>()),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let buf = try!(peek_until(reader, "\r\n"));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cmd_str = try!(String::from_utf8(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:33:75
[INFO] [stderr]    |
[INFO] [stderr] 33 |         "set" | "add" | "replace" | "append" | "prepend" | "cas" => Store(try!(StoreCommand::parse(reader))),
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         "get" | "gets" => Retrieval(try!(RetrievalCommand::parse(reader))),
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |         "delete" => Delete(try!(DeletionCommand::parse(reader))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(&mut buf, "VALUE {} {} {} ", self.key, self.flags, self.bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(&mut buf, "{} ", self.cas_unique.unwrap()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(buf.write(b"\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             buf.extend_from_slice(&try!(item.to_bytes()));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(buf.write(b"END\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StatsResponse`
[INFO] [stderr]  --> src/response/stats_response.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type StatsResponse = Vec<StatsResponseItem>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let cmd_line = try!(read_until(reader, "\r\n"));
[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/command/store_command.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let bytes = try!(segments[4].parse::<u64>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(try!(segments[5].parse::<u64>()))
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _ = try!(reader.read_exact(&mut data_block));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if try!(read_until(reader, "\r\n")) != vec![] {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |             flags: try!(segments[2].parse::<u16>()),
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/store_command.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             exptime: try!(segments[3].parse::<u32>()),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/retrieval_command.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let cmd_line = try!(read_until(reader, "\r\n"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/deletion_command.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let cmd_str = try!(String::from_utf8(cmd_line));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let buf = try!(peek_until(reader, "\r\n"));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cmd_str = try!(String::from_utf8(buf));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:33:75
[INFO] [stderr]    |
[INFO] [stderr] 33 |         "set" | "add" | "replace" | "append" | "prepend" | "cas" => Store(try!(StoreCommand::parse(reader))),
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         "get" | "gets" => Retrieval(try!(RetrievalCommand::parse(reader))),
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/command.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |         "delete" => Delete(try!(DeletionCommand::parse(reader))),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(&mut buf, "VALUE {} {} {} ", self.key, self.flags, self.bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(&mut buf, "{} ", self.cas_unique.unwrap()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(buf.write(b"\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             buf.extend_from_slice(&try!(item.to_bytes()));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/response/retrieval_response.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(buf.write(b"END\r\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StatsResponse`
[INFO] [stderr]  --> src/response/stats_response.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type StatsResponse = Vec<StatsResponseItem>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memcached_protocal-bb8280fa9731664f
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-8363acdd386472e6
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test command::test_command::test_parse_get ... ok
[INFO] [stdout] test command::test_command::test_parse_gets ... ok
[INFO] [stdout] test command::test_store_command::test_parse_without_noreply ... ok
[INFO] [stdout] test command::test_store_command::test_parse_with_noreply ... ok
[INFO] [stdout] test command::test_deletion_command::test_parse_without_noreply ... ok
[INFO] [stdout] test command::test_command::test_parse_with_noreply ... ok
[INFO] [stdout] test command::test_command::test_parse_without_noreply ... ok
[INFO] [stdout] test command::test_command::test_parse_cas_with_noreply ... ok
[INFO] [stdout] test command::test_command::test_parse_cas_without_noreply ... ok
[INFO] [stdout] test command::test_deletion_command::test_parse_with_noreply ... ok
[INFO] [stdout] test command::test_store_command::test_parse_cas_with_noreply ... ok
[INFO] [stdout] test command::test_store_command::test_parse_cas_without_noreply ... ok
[INFO] [stdout] test command::test_retrieval_command::test_parse_gets ... ok
[INFO] [stdout] test command::test_retrieval_command::test_parse_get ... ok
[INFO] [stdout] test command::test_store_command::test_parse_should_panic ... ok
[INFO] [stdout] test command::test_command::test_parse_should_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memcached-protocal
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b2e64f41236c97e0f9bb9291735b6ffc1153dd93264738efb6b05c7f34b05cae"`
[INFO] running `"docker" "rm" "-f" "b2e64f41236c97e0f9bb9291735b6ffc1153dd93264738efb6b05c7f34b05cae"`
[INFO] [stdout] b2e64f41236c97e0f9bb9291735b6ffc1153dd93264738efb6b05c7f34b05cae