[INFO] fetching crate cdbd 0.1.1...
[INFO] testing cdbd-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cdbd 0.1.1 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cdbd 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding fern v0.4.4 (available: v0.7.1)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.12.2)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.44)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c12b49ec8ec5a7e199f888302cd0207f5eee30f128d6859cb2168351b7904f0
[INFO] running `Command { std: "docker" "start" "-a" "9c12b49ec8ec5a7e199f888302cd0207f5eee30f128d6859cb2168351b7904f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c12b49ec8ec5a7e199f888302cd0207f5eee30f128d6859cb2168351b7904f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c12b49ec8ec5a7e199f888302cd0207f5eee30f128d6859cb2168351b7904f0", kill_on_drop: false }`
[INFO] [stdout] 9c12b49ec8ec5a7e199f888302cd0207f5eee30f128d6859cb2168351b7904f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d2a2685758c0fcf2978c7bb9a9979a2b61ce494c664825efba5cc6fd2a1865
[INFO] running `Command { std: "docker" "start" "-a" "70d2a2685758c0fcf2978c7bb9a9979a2b61ce494c664825efba5cc6fd2a1865", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling tinycdb-sys v0.0.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling objpool v0.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling mtbl-sys v0.2.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling mtbl v0.2.1
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling fern v0.4.4
[INFO] [stderr]    Compiling tinycdb v0.0.7
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling 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: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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) 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/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/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/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/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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn parse(rdr: &mut dyn BufRead) -> Request {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_response_header` and `read_response` are never used
[INFO] [stdout]   --> src/memcached/binary/protocol/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub trait PRead {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn read_response_header(&mut self) -> Result<ResponseHeader>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 67 |     fn read_response(&mut self) -> Result<AResponse<Vec<u8>>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_request_header` and `write_request` are never used
[INFO] [stdout]    --> src/memcached/binary/protocol/mod.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub trait PWrite {
[INFO] [stdout]     |           ------ methods in this trait
[INFO] [stdout] 134 |     fn write_request_header(&mut self, header: &RequestHeader) -> Result<()>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 135 |     fn write_request<T: AsRef<[u8]>>(&mut self, request: &ARequest<T>) -> Result<()>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/memcached/error.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Io(io::Error),
[INFO] [stdout]   |     -- ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Io(io::Error),
[INFO] [stdout] 7 +     Io(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/memcached/error.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Parse(num::ParseIntError),
[INFO] [stdout]   |     ----- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Parse(num::ParseIntError),
[INFO] [stdout] 8 +     Parse(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/memcached/error.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ProtocolError(String),
[INFO] [stdout]   |     ------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     ProtocolError(String),
[INFO] [stdout] 9 +     ProtocolError(()),
[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] 
[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: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Set(DataRequest),
[INFO] [stdout]    |     --- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     Set(DataRequest),
[INFO] [stdout] 28 +     Set(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Add(DataRequest),
[INFO] [stdout]    |     --- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     Add(DataRequest),
[INFO] [stdout] 29 +     Add(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Replace(DataRequest),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Replace(DataRequest),
[INFO] [stdout] 30 +     Replace(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Append(DataRequest),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Append(DataRequest),
[INFO] [stdout] 31 +     Append(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Prepend(DataRequest),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Prepend(DataRequest),
[INFO] [stdout] 32 +     Prepend(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `cas` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Cas {
[INFO] [stdout]    |     --- fields in this variant
[INFO] [stdout] 34 |         data: DataRequest,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 35 |         cas: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `noreply` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Delete {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 38 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |         noreply: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Incr(IncrRequest),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 41 -     Incr(IncrRequest),
[INFO] [stdout] 41 +     Incr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Decr(IncrRequest),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 42 -     Decr(IncrRequest),
[INFO] [stdout] 42 +     Decr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `exptime`, and `noreply` are never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Touch {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 44 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 45 |         exptime: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 46 |         noreply: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Stats(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 -     Stats(String),
[INFO] [stdout] 48 +     Stats(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/memcached/text/protocol.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Slabs(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 52 -     Slabs(String),
[INFO] [stdout] 52 +     Slabs(()),
[INFO] [stdout]    |
[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)]` (part of `#[warn(unused)]`) 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] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcVGbyxr/symbols.o" "<10 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtinycdb-affe1edc8a00d692,libtinycdb_sys-472572ef05ea7235,libtime-21b02a6d7ab02e1a,libregex-7f94f9436b4d34c3,libutf8_ranges-eb5ea9b8cee94699,libregex_syntax-34d4650c7f5f207a,libucd_util-8ccde829ea70273a,libthread_local-54c9cb0e21a86ddb,liblazy_static-b3603208c0de2608,libaho_corasick-ce802422a183a734,libmemchr-f9c66c7ba21bf873,libobjpool-c6e702f81f695791,libnum_cpus-a641b722eaa8bfa1,libmtbl-a11577c9e7b5a032,libmtbl_sys-c76903b5d699b99a,liblibc-e2775a15e5abc6fd,libgetopts-ef5af5ddb44f6cb2,libunicode_width-11318280e9097d13,libfern-25e391e97458d183,liblog-2e0e7e83e98a675c,liblog-28f8cc0684f4f944,libbyteorder-1efcbe4f07366651}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lmtbl" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcVGbyxr/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/tinycdb-sys-d301598c6df4d1b4/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/cdbd-883e3fc3d170cb36" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lmtbl
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cdbd` (bin "cdbd") due to 1 previous error; 110 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "70d2a2685758c0fcf2978c7bb9a9979a2b61ce494c664825efba5cc6fd2a1865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d2a2685758c0fcf2978c7bb9a9979a2b61ce494c664825efba5cc6fd2a1865", kill_on_drop: false }`
[INFO] [stdout] 70d2a2685758c0fcf2978c7bb9a9979a2b61ce494c664825efba5cc6fd2a1865
