[INFO] fetching crate cdbd 0.1.1...
[INFO] testing cdbd-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate cdbd 0.1.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate cdbd 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mtbl-sys v0.2.0
[INFO] [stderr]   Downloaded objpool v0.2.0
[INFO] [stderr]   Downloaded mtbl v0.2.1
[INFO] [stderr]   Downloaded tinycdb v0.0.7
[INFO] [stderr]   Downloaded fern v0.4.4
[INFO] [stderr]   Downloaded tinycdb-sys v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed6d565e83e4dff74f90d35dfaa0dfed5ac1c99a90f5a25f2daf232da76b1b6a
[INFO] running `Command { std: "docker" "start" "-a" "ed6d565e83e4dff74f90d35dfaa0dfed5ac1c99a90f5a25f2daf232da76b1b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6d565e83e4dff74f90d35dfaa0dfed5ac1c99a90f5a25f2daf232da76b1b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6d565e83e4dff74f90d35dfaa0dfed5ac1c99a90f5a25f2daf232da76b1b6a", kill_on_drop: false }`
[INFO] [stdout] ed6d565e83e4dff74f90d35dfaa0dfed5ac1c99a90f5a25f2daf232da76b1b6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1360bf19f040a59d0a82c9fe6b190853617c17c245c723656d1e3b67374b3572
[INFO] running `Command { std: "docker" "start" "-a" "1360bf19f040a59d0a82c9fe6b190853617c17c245c723656d1e3b67374b3572", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling tinycdb-sys v0.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling objpool v0.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling fern v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling mtbl-sys v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling tinycdb v0.0.7
[INFO] [stderr]    Compiling mtbl v0.2.1
[INFO] [stderr]    Compiling cdbd v0.1.1 (/opt/rustwide/workdir)
[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]   |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KvStore + Send + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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: 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]    |                      ^^^^^^^ help: use `dyn`: `dyn KvStore`
[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/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: 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]    |                                               ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/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: 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]     |                                      ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/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: 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]     |                            ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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: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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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: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: 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]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[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]     |                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KvStore + Send + Sync`
[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: 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]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KvStore + Send + Sync`
[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: field is never read: `key`
[INFO] [stdout]  --> src/memcached/text/protocol.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     key: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]  --> src/memcached/text/protocol.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     flags: u16,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exptime`
[INFO] [stdout]   --> src/memcached/text/protocol.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     exptime: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/memcached/text/protocol.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     value: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/memcached/text/protocol.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/memcached/text/protocol.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     value: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `noreply`
[INFO] [stdout]   --> src/memcached/text/protocol.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     noreply: bool,
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.cdbd.d3487155-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5.2bko8uy2ygpkhsqx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/tinycdb-sys-f996284961609413/out" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtinycdb-99f0b64b22f79b02.rlib" "/opt/rustwide/target/debug/deps/libtinycdb_sys-321b988c52d7f5cf.rlib" "/opt/rustwide/target/debug/deps/libtime-642d4ba4b9ffc2f6.rlib" "/opt/rustwide/target/debug/deps/libregex-b31c3354f2704430.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-efe06f45def079a4.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-9475ec4b23002eef.rlib" "/opt/rustwide/target/debug/deps/libucd_util-46f75a66bec1e771.rlib" "/opt/rustwide/target/debug/deps/libthread_local-db631b07438dcb8f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-7860bb9c195c2e33.rlib" "/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rlib" "/opt/rustwide/target/debug/deps/libobjpool-3f170b278398aed1.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-f58efe109b9782ba.rlib" "/opt/rustwide/target/debug/deps/libmtbl-30ce2606d28454c1.rlib" "/opt/rustwide/target/debug/deps/libmtbl_sys-a480cdd4ba7791df.rlib" "/opt/rustwide/target/debug/deps/liblibc-8c0b0c2149eecc9d.rlib" "/opt/rustwide/target/debug/deps/libgetopts-25327fafcfd1148d.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e91030079211fd3f.rlib" "/opt/rustwide/target/debug/deps/libfern-d2e10e663422740f.rlib" "/opt/rustwide/target/debug/deps/liblog-4a62e8d4372f90e0.rlib" "/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-4d098c56eb4115f5.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lmtbl" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/cdbd-64ee5efe190a05d5" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lmtbl
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 98 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cdbd` due to 2 previous errors; 98 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1360bf19f040a59d0a82c9fe6b190853617c17c245c723656d1e3b67374b3572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1360bf19f040a59d0a82c9fe6b190853617c17c245c723656d1e3b67374b3572", kill_on_drop: false }`
[INFO] [stdout] 1360bf19f040a59d0a82c9fe6b190853617c17c245c723656d1e3b67374b3572