[INFO] fetching crate cdbd 0.1.1...
[INFO] checking cdbd-0.1.1 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate cdbd 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cdbd 0.1.1 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdbd 0.1.1
[INFO] finished tweaking crates.io crate cdbd 0.1.1
[INFO] tweaked toml for crates.io crate cdbd 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.4.4
[INFO] [stderr]   Downloaded objpool v0.2.0
[INFO] [stderr]   Downloaded mtbl-sys v0.2.0
[INFO] [stderr]   Downloaded tinycdb v0.0.7
[INFO] [stderr]   Downloaded mtbl v0.2.1
[INFO] [stderr]   Downloaded tinycdb-sys v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a92b4c3f74077372d871447a3770b712f5cbeb95966b2f3831df39b1ac7667cc
[INFO] running `Command { std: "docker" "start" "-a" "a92b4c3f74077372d871447a3770b712f5cbeb95966b2f3831df39b1ac7667cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92b4c3f74077372d871447a3770b712f5cbeb95966b2f3831df39b1ac7667cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92b4c3f74077372d871447a3770b712f5cbeb95966b2f3831df39b1ac7667cc", kill_on_drop: false }`
[INFO] [stdout] a92b4c3f74077372d871447a3770b712f5cbeb95966b2f3831df39b1ac7667cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f38fbce56d507c1273fc57b1de951be8eb4816aaa73582efca633fe5e827c9d
[INFO] running `Command { std: "docker" "start" "-a" "6f38fbce56d507c1273fc57b1de951be8eb4816aaa73582efca633fe5e827c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinycdb-sys v0.0.2
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking mtbl-sys v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking mtbl v0.2.1
[INFO] [stderr]     Checking objpool v0.2.0
[INFO] [stderr]     Checking fern v0.4.4
[INFO] [stderr]     Checking tinycdb v0.0.7
[INFO] [stderr]     Checking cdbd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |             magic: try!(self.read_u8()),
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |             opcode: try!(self.read_u8()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |             key_length: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |             extras_length: try!(self.read_u8()),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:79:24
[INFO] [stdout]    |
[INFO] [stdout] 79 |             data_type: try!(self.read_u8()),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |             reserved: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |             total_body_length: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |             opaque: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |             cas: try!(self.read_u64::<BigEndian>()),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(self.take(header.extras_length as u64).read_to_end(&mut extras));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(self.take(header.key_length as u64).read_to_end(&mut key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let header = try!(self.read_request_header());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |             magic: try!(self.read_u8()),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |             opcode: try!(self.read_u8()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |             magic: try!(self.read_u8()),
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |             opcode: try!(self.read_u8()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |             key_length: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |             extras_length: try!(self.read_u8()),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:79:24
[INFO] [stdout]    |
[INFO] [stdout] 79 |             data_type: try!(self.read_u8()),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |             reserved: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |             total_body_length: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |             opaque: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |             cas: try!(self.read_u64::<BigEndian>()),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(self.take(header.extras_length as u64).read_to_end(&mut extras));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(self.take(header.key_length as u64).read_to_end(&mut key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let header = try!(self.read_request_header());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |             magic: try!(self.read_u8()),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |             opcode: try!(self.read_u8()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             key_length: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 |             extras_length: try!(self.read_u8()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |             data_type: try!(self.read_u8()),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |             status: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 |             total_body_length: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |             opaque: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |             cas: try!(self.read_u64::<BigEndian>()),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.read_exact(extras.as_mut_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         try!(self.read_exact(key.as_mut_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         try!(self.read_exact(value.as_mut_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let header = try!(self.read_response_header());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(self.write_u8(header.magic));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.write_u8(header.opcode));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.write_u16::<BigEndian>(header.key_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         try!(self.write_u8(header.extras_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.write_u8(header.data_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(self.write_u16::<BigEndian>(header.reserved));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(self.write_u32::<BigEndian>(header.total_body_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(self.write_u32::<BigEndian>(header.opaque));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(self.write_u64::<BigEndian>(header.cas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(self.write_request_header(&request.header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.write(request.extras.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(self.write(request.key.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.write_u8(header.magic));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         try!(self.write_u8(header.opcode));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         try!(self.write_u16::<BigEndian>(header.key_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(self.write_u8(header.extras_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         try!(self.write_u8(header.data_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(self.write_u16::<BigEndian>(header.status));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |             key_length: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 |             extras_length: try!(self.read_u8()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |             data_type: try!(self.read_u8()),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |             status: try!(self.read_u16::<BigEndian>()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.write_u32::<BigEndian>(header.total_body_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 |             total_body_length: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |             opaque: try!(self.read_u32::<BigEndian>()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |             cas: try!(self.read_u64::<BigEndian>()),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.read_exact(extras.as_mut_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         try!(self.read_exact(key.as_mut_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         try!(self.read_exact(value.as_mut_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let header = try!(self.read_response_header());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(self.write_u8(header.magic));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.write_u8(header.opcode));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.write_u16::<BigEndian>(header.key_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         try!(self.write_u8(header.extras_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.write_u8(header.data_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(self.write_u16::<BigEndian>(header.reserved));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(self.write_u32::<BigEndian>(header.total_body_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(self.write_u32::<BigEndian>(header.opaque));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(self.write_u32::<BigEndian>(header.opaque));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(self.write_u64::<BigEndian>(header.cas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(self.write_request_header(&request.header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.write(request.extras.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(self.write(request.key.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.write_u8(header.magic));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         try!(self.write_u8(header.opcode));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         try!(self.write_u16::<BigEndian>(header.key_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(self.write_u8(header.extras_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         try!(self.write_u8(header.data_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(self.write_u16::<BigEndian>(header.status));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.write_u32::<BigEndian>(header.total_body_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(self.write_u32::<BigEndian>(header.opaque));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(self.write_u64::<BigEndian>(header.cas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(self.write_response_header(&response.header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(self.write(response.extras.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         try!(self.write(response.key.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.write(response.value.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         try!(outs.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let request = try!(ins.read_request());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |                         try!(outs.write_response(&Response::make(&request,
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   try!(outs.write_response(
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(outs.write_response(&Response::make(&request, &[], false, &[])));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(outs.write_response(&Response::make(&request,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 try!(outs.write_response(&Response::make_error(&request,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/server.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let first_char: u8 = try!(stream.read_u8());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/server.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let addr = try!(stream.peer_addr());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     try!(rdr.read_exact(value.as_mut_slice()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     try!(rdr.read_exact(endline.as_mut_slice()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let flags = try!(elts[2].parse());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let exptime = try!(elts[3].parse());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let length = try!(elts[4].parse());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     try!(rdr.read_exact(value.as_mut_slice()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let flags = try!(elts[2].parse());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let exptime = try!(elts[3].parse());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let length = try!(elts[4].parse());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let cas = try!(elts[5].parse());
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |         exptime: try!(elts[2].parse()),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:135:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |         value: try!(elts[2].parse()),
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   ("touch", 3...4) => parse_touch(&elts),
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   ("delete", 2...3) => {
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...                   ("incr", 3...4) => parse_incr(&elts).map(Request::Incr),
[INFO] [stdout]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:179:39
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   ("decr", 3...4) => parse_incr(&elts).map(Request::Decr),
[INFO] [stdout]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         try!(outs.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 try!(Response::Error.write(&mut outs));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(Response::End.write(&mut outs));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 | ...                   try!(Response::KeyValue {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(Response::ServerError("Read-only; method not implemented").write(&mut outs));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(self.write_u64::<BigEndian>(header.cas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(self.write_response_header(&response.header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(self.write(response.extras.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         try!(self.write(response.key.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn open_db(db: &DbArg) -> Arc<KvStore + Send + Sync> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn open_db(db: &DbArg) -> Arc<dyn KvStore + Send + Sync> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |                  kvstore: &Arc<KvStore + Send + Sync>)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 186 |                  kvstore: &Arc<dyn KvStore + Send + Sync>)
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/kvstore/mod.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl KvStore for Arc<KvStore + Send + Sync> {
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl KvStore for Arc<dyn KvStore + Send + Sync> {
[INFO] [stdout]   |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kvstore/mod.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl KvStore for Box<KvStore> {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl KvStore for Box<dyn KvStore> {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.write(response.value.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         try!(outs.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let request = try!(ins.read_request());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |                         try!(outs.write_response(&Response::make(&request,
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   try!(outs.write_response(
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(outs.write_response(&Response::make(&request, &[], false, &[])));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(outs.write_response(&Response::make(&request,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/binary/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 try!(outs.write_response(&Response::make_error(&request,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/server.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let first_char: u8 = try!(stream.read_u8());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/server.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let addr = try!(stream.peer_addr());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     try!(rdr.read_exact(value.as_mut_slice()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     try!(rdr.read_exact(endline.as_mut_slice()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let flags = try!(elts[2].parse());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let exptime = try!(elts[3].parse());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/protocol.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let length = try!(elts[4].parse());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     try!(rdr.read_exact(value.as_mut_slice()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let flags = try!(elts[2].parse());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let exptime = try!(elts[3].parse());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcached/text/protocol.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn read_data_request(elts: &[&str], rdr: &mut BufRead) -> Result<DataRequest> {
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn read_data_request(elts: &[&str], rdr: &mut dyn BufRead) -> Result<DataRequest> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let length = try!(elts[4].parse());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let cas = try!(elts[5].parse());
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |         exptime: try!(elts[2].parse()),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/memcached/text/protocol.rs:135:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |         value: try!(elts[2].parse()),
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   ("touch", 3...4) => parse_touch(&elts),
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   ("delete", 2...3) => {
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...                   ("incr", 3...4) => parse_incr(&elts).map(Request::Incr),
[INFO] [stdout]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:179:39
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   ("decr", 3...4) => parse_incr(&elts).map(Request::Decr),
[INFO] [stdout]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         try!(outs.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 try!(Response::Error.write(&mut outs));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(Response::End.write(&mut outs));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 | ...                   try!(Response::KeyValue {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/memcached/text/server.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(Response::ServerError("Read-only; method not implemented").write(&mut outs));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn open_db(db: &DbArg) -> Arc<KvStore + Send + Sync> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn open_db(db: &DbArg) -> Arc<dyn KvStore + Send + Sync> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |                  kvstore: &Arc<KvStore + Send + Sync>)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 186 |                  kvstore: &Arc<dyn KvStore + Send + Sync>)
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/kvstore/mod.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl KvStore for Arc<KvStore + Send + Sync> {
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl KvStore for Arc<dyn KvStore + Send + Sync> {
[INFO] [stdout]   |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kvstore/mod.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl KvStore for Box<KvStore> {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl KvStore for Box<dyn KvStore> {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcached/text/protocol.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn read_data_request(elts: &[&str], rdr: &mut BufRead) -> Result<DataRequest> {
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn read_data_request(elts: &[&str], rdr: &mut dyn BufRead) -> Result<DataRequest> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:105:38
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn read_cas(elts: &[&str], rdr: &mut BufRead) -> Result<Request> {
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn read_cas(elts: &[&str], rdr: &mut dyn BufRead) -> Result<Request> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn parse(rdr: &mut BufRead) -> Request {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn parse(rdr: &mut dyn BufRead) -> Request {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:196:35
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn write(&self, wtr: &mut Write) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn write(&self, wtr: &mut dyn Write) -> Result<()> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:105:38
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn read_cas(elts: &[&str], rdr: &mut BufRead) -> Result<Request> {
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn read_cas(elts: &[&str], rdr: &mut dyn BufRead) -> Result<Request> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn parse(rdr: &mut BufRead) -> Request {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn parse(rdr: &mut dyn BufRead) -> Request {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcached/text/protocol.rs:196:35
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn write(&self, wtr: &mut Write) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn write(&self, wtr: &mut dyn Write) -> Result<()> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `flags`, `exptime`, and `value` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct DataRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     flags: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     exptime: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     value: Vec<u8>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `value`, and `noreply` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct IncrRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 16 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     value: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     noreply: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IncrRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/kvstore/cdb.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     (0..pool_size).map(|_: usize| (*pool).get()).collect::<Vec<_>>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = (0..pool_size).map(|_: usize| (*pool).get()).collect::<Vec<_>>();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 93 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `flags`, `exptime`, and `value` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct DataRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     flags: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     exptime: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     value: Vec<u8>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `value`, and `noreply` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct IncrRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 16 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     value: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     noreply: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IncrRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> src/kvstore/cdb.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     (0..pool_size).map(|_: usize| (*pool).get()).collect::<Vec<_>>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = (0..pool_size).map(|_: usize| (*pool).get()).collect::<Vec<_>>();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 93 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "6f38fbce56d507c1273fc57b1de951be8eb4816aaa73582efca633fe5e827c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f38fbce56d507c1273fc57b1de951be8eb4816aaa73582efca633fe5e827c9d", kill_on_drop: false }`
[INFO] [stdout] 6f38fbce56d507c1273fc57b1de951be8eb4816aaa73582efca633fe5e827c9d
