[INFO] updating cached repository spacejam/rasputin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/spacejam/rasputin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/spacejam/rasputin" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/spacejam/rasputin"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/spacejam/rasputin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/spacejam/rasputin" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/spacejam/rasputin"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/spacejam/rasputin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31249108bc073d2212f9812533a810b6652e2ebd
[INFO] sha for GitHub repo spacejam/rasputin: 31249108bc073d2212f9812533a810b6652e2ebd
[INFO] validating manifest of spacejam/rasputin on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spacejam/rasputin on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spacejam/rasputin
[INFO] removed 0 missing tests
[INFO] finished frobbing spacejam/rasputin
[INFO] frobbed toml for spacejam/rasputin written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/spacejam/rasputin/Cargo.toml
[INFO] started frobbing spacejam/rasputin
[INFO] removed 0 missing tests
[INFO] finished frobbing spacejam/rasputin
[INFO] frobbed toml for spacejam/rasputin written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/spacejam/rasputin/Cargo.toml
[INFO] crate spacejam/rasputin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/spacejam/rasputin/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocksdb v0.1.1
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking spacejam/rasputin against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/spacejam/rasputin:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbb2a6572e5fccbe2c7de7ba1e6f647b91bb8fb93a3e6e8545580a2a29a938cf
[INFO] running `"docker" "start" "-a" "fbb2a6572e5fccbe2c7de7ba1e6f647b91bb8fb93a3e6e8545580a2a29a938cf"`
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking bytes v0.2.11
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]     Checking rocksdb v0.1.1
[INFO] [stderr]     Checking winapi v0.1.23
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking nix v0.3.10
[INFO] [stderr]     Checking quickcheck v0.8.2
[INFO] [stderr]     Checking mio v0.4.4
[INFO] [stderr]     Checking rasputin v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/client/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RedirectRes`, `Version`
[INFO] [stderr]   --> src/client/mod.rs:12:51
[INFO] [stderr]    |
[INFO] [stderr] 12 | use {CliReq, CliRes, GetReq, GetRes, RangeBounds, RedirectRes, SetReq,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^
[INFO] [stderr] 13 |      SetRes, Version, CASReq, CASRes, DelReq, DelRes};
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/client/mod.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use codec::{self, Codec, Framed};
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/codec.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryWrite`
[INFO] [stderr]  --> src/codec.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mio::{TryRead, TryWrite};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/server/server.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio`
[INFO] [stderr]   --> src/server/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use mio;
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CASReq`, `DelReq`, `GetReq`, `SetReq`
[INFO] [stderr]   --> src/server/server.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 | use {Append, AppendRes, CliReq, CliRes, Clock, GetReq, GetRes, Mutation,
[INFO] [stderr]    |                                                ^^^^^^
[INFO] [stderr] 20 |      MutationType, PeerMsg, RealClock, RedirectRes, SetReq, SetRes, Version,
[INFO] [stderr]    |                                                     ^^^^^^
[INFO] [stderr] 21 |      CASReq, CASRes, DelReq, DelRes, VoteReq, VoteRes};
[INFO] [stderr]    |      ^^^^^^          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LogEntry`
[INFO] [stderr]   --> src/server/server.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | use server::{AckedLog, InMemoryLog, LogEntry, PeerID, RepPeer, TXID, Term};
[INFO] [stderr]    |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio`
[INFO] [stderr]  --> src/server/connset.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TryRead`, `TryWrite`
[INFO] [stderr]  --> src/server/traffic_cop.rs:6:57
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mio::{EventLoop, EventSet, Handler, PollOpt, Token, TryRead, TryWrite};
[INFO] [stderr]   |                                                         ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Writable`
[INFO] [stderr]  --> src/server/rocksdb.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rocksdb::{DB, Writable};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]   --> src/server/mod.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{Error, ErrorKind};
[INFO] [stderr]    |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/server/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]   --> src/server/mod.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::ops::{Add, Sub};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/server/mod.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `self`
[INFO] [stderr]   --> src/server/mod.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::mpsc::{self, Receiver, SendError, Sender};
[INFO] [stderr]    |                       ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/server/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutByteBuf`, `SliceBuf`, `alloc`
[INFO] [stderr]   --> src/server/mod.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 | use bytes::{Buf, ByteBuf, MutByteBuf, SliceBuf, alloc};
[INFO] [stderr]    |                           ^^^^^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EventLoop`, `EventSet`, `Handler`, `PollOpt`, `TryRead`, `TryWrite`
[INFO] [stderr]   --> src/server/mod.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 | use mio::{EventLoop, EventSet, Handler, NotifyError, PollOpt, Token, TryRead,
[INFO] [stderr]    |           ^^^^^^^^^  ^^^^^^^^  ^^^^^^^               ^^^^^^^         ^^^^^^^
[INFO] [stderr] 25 |           TryWrite};
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TcpListener`, `TcpSocket`, `TcpStream`
[INFO] [stderr]   --> src/server/mod.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 | use mio::tcp::{TcpListener, TcpSocket, TcpStream};
[INFO] [stderr]    |                ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::util::Slab`
[INFO] [stderr]   --> src/server/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use mio::util::Slab;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]   --> src/server/mod.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | use rand::{Rng, thread_rng};
[INFO] [stderr]    |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DB`, `Writable`
[INFO] [stderr]   --> src/server/mod.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 | use rocksdb::{DB, Writable};
[INFO] [stderr]    |               ^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `protobuf`
[INFO] [stderr]   --> src/server/mod.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use protobuf;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `protobuf::Message`
[INFO] [stderr]   --> src/server/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use protobuf::Message;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/client/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RedirectRes`, `Version`
[INFO] [stderr]   --> src/client/mod.rs:12:51
[INFO] [stderr]    |
[INFO] [stderr] 12 | use {CliReq, CliRes, GetReq, GetRes, RangeBounds, RedirectRes, SetReq,
[INFO] [stderr]    |                                                   ^^^^^^^^^^^
[INFO] [stderr] 13 |      SetRes, Version, CASReq, CASRes, DelReq, DelRes};
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/client/mod.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use codec::{self, Codec, Framed};
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/codec.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryWrite`
[INFO] [stderr]  --> src/codec.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mio::{TryRead, TryWrite};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Buf`, `MutByteBuf`
[INFO] [stderr]    --> src/codec.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |     use bytes::{Buf, ByteBuf, MutByteBuf};
[INFO] [stderr]     |                 ^^^           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/server/server.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio`
[INFO] [stderr]   --> src/server/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use mio;
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CASReq`, `DelReq`, `GetReq`, `SetReq`
[INFO] [stderr]   --> src/server/server.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 | use {Append, AppendRes, CliReq, CliRes, Clock, GetReq, GetRes, Mutation,
[INFO] [stderr]    |                                                ^^^^^^
[INFO] [stderr] 20 |      MutationType, PeerMsg, RealClock, RedirectRes, SetReq, SetRes, Version,
[INFO] [stderr]    |                                                     ^^^^^^
[INFO] [stderr] 21 |      CASReq, CASRes, DelReq, DelRes, VoteReq, VoteRes};
[INFO] [stderr]    |      ^^^^^^          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LogEntry`
[INFO] [stderr]   --> src/server/server.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | use server::{AckedLog, InMemoryLog, LogEntry, PeerID, RepPeer, TXID, Term};
[INFO] [stderr]    |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio`
[INFO] [stderr]  --> src/server/connset.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TryRead`, `TryWrite`
[INFO] [stderr]  --> src/server/traffic_cop.rs:6:57
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mio::{EventLoop, EventSet, Handler, PollOpt, Token, TryRead, TryWrite};
[INFO] [stderr]   |                                                         ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Writable`
[INFO] [stderr]  --> src/server/rocksdb.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rocksdb::{DB, Writable};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]   --> src/server/mod.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{Error, ErrorKind};
[INFO] [stderr]    |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/server/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]   --> src/server/mod.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::ops::{Add, Sub};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> src/server/mod.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `self`
[INFO] [stderr]   --> src/server/mod.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::mpsc::{self, Receiver, SendError, Sender};
[INFO] [stderr]    |                       ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/server/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutByteBuf`, `SliceBuf`, `alloc`
[INFO] [stderr]   --> src/server/mod.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 | use bytes::{Buf, ByteBuf, MutByteBuf, SliceBuf, alloc};
[INFO] [stderr]    |                           ^^^^^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EventLoop`, `EventSet`, `Handler`, `PollOpt`, `TryRead`, `TryWrite`
[INFO] [stderr]   --> src/server/mod.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 | use mio::{EventLoop, EventSet, Handler, NotifyError, PollOpt, Token, TryRead,
[INFO] [stderr]    |           ^^^^^^^^^  ^^^^^^^^  ^^^^^^^               ^^^^^^^         ^^^^^^^
[INFO] [stderr] 25 |           TryWrite};
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TcpListener`, `TcpSocket`, `TcpStream`
[INFO] [stderr]   --> src/server/mod.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 | use mio::tcp::{TcpListener, TcpSocket, TcpStream};
[INFO] [stderr]    |                ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::util::Slab`
[INFO] [stderr]   --> src/server/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use mio::util::Slab;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]   --> src/server/mod.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | use rand::{Rng, thread_rng};
[INFO] [stderr]    |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DB`, `Writable`
[INFO] [stderr]   --> src/server/mod.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 | use rocksdb::{DB, Writable};
[INFO] [stderr]    |               ^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `protobuf`
[INFO] [stderr]   --> src/server/mod.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use protobuf;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `protobuf::Message`
[INFO] [stderr]   --> src/server/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use protobuf::Message;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/clock.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         thread::sleep_ms(ms)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/serialization.rs:2762:29
[INFO] [stderr]      |
[INFO] [stderr] 2762 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/serialization.rs:5517:29
[INFO] [stderr]      |
[INFO] [stderr] 5517 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/clock.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         thread::sleep_ms(ms)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/serialization.rs:2762:29
[INFO] [stderr]      |
[INFO] [stderr] 2762 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor'
[INFO] [stderr]     --> src/serialization.rs:5517:29
[INFO] [stderr]      |
[INFO] [stderr] 5517 |                 fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor(
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:118:6
[INFO] [stderr]     |
[INFO] [stderr] 118 | impl ::protobuf::Message for SetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:207:6
[INFO] [stderr]     |
[INFO] [stderr] 207 | impl ::protobuf::MessageStatic for SetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:371:6
[INFO] [stderr]     |
[INFO] [stderr] 371 | impl ::protobuf::Message for SetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:473:6
[INFO] [stderr]     |
[INFO] [stderr] 473 | impl ::protobuf::MessageStatic for SetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:602:6
[INFO] [stderr]     |
[INFO] [stderr] 602 | impl ::protobuf::Message for GetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:675:6
[INFO] [stderr]     |
[INFO] [stderr] 675 | impl ::protobuf::MessageStatic for GetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:870:6
[INFO] [stderr]     |
[INFO] [stderr] 870 | impl ::protobuf::Message for GetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:985:6
[INFO] [stderr]     |
[INFO] [stderr] 985 | impl ::protobuf::MessageStatic for GetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1197:6
[INFO] [stderr]      |
[INFO] [stderr] 1197 | impl ::protobuf::Message for CASReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1296:6
[INFO] [stderr]      |
[INFO] [stderr] 1296 | impl ::protobuf::MessageStatic for CASReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1505:6
[INFO] [stderr]      |
[INFO] [stderr] 1505 | impl ::protobuf::Message for CASRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1620:6
[INFO] [stderr]      |
[INFO] [stderr] 1620 | impl ::protobuf::MessageStatic for CASRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1756:6
[INFO] [stderr]      |
[INFO] [stderr] 1756 | impl ::protobuf::Message for DelReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1829:6
[INFO] [stderr]      |
[INFO] [stderr] 1829 | impl ::protobuf::MessageStatic for DelReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2024:6
[INFO] [stderr]      |
[INFO] [stderr] 2024 | impl ::protobuf::Message for DelRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2142:6
[INFO] [stderr]      |
[INFO] [stderr] 2142 | impl ::protobuf::MessageStatic for DelRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2341:6
[INFO] [stderr]      |
[INFO] [stderr] 2341 | impl ::protobuf::Message for WatchReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2462:6
[INFO] [stderr]      |
[INFO] [stderr] 2462 | impl ::protobuf::MessageStatic for WatchReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2646:6
[INFO] [stderr]      |
[INFO] [stderr] 2646 | impl ::protobuf::Message for WatchRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2744:6
[INFO] [stderr]      |
[INFO] [stderr] 2744 | impl ::protobuf::MessageStatic for WatchRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2931:6
[INFO] [stderr]      |
[INFO] [stderr] 2931 | impl ::protobuf::Message for RedirectRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::RedirectRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::RedirectRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3030:6
[INFO] [stderr]      |
[INFO] [stderr] 3030 | impl ::protobuf::MessageStatic for RedirectRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::RedirectRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::RedirectRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3291:6
[INFO] [stderr]      |
[INFO] [stderr] 3291 | impl ::protobuf::Message for Mutation {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Mutation`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Mutation`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3425:6
[INFO] [stderr]      |
[INFO] [stderr] 3425 | impl ::protobuf::MessageStatic for Mutation {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Mutation`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Mutation`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3572:6
[INFO] [stderr]      |
[INFO] [stderr] 3572 | impl ::protobuf::Message for Version {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Version`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Version`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3661:6
[INFO] [stderr]      |
[INFO] [stderr] 3661 | impl ::protobuf::MessageStatic for Version {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Version`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Version`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3941:6
[INFO] [stderr]      |
[INFO] [stderr] 3941 | impl ::protobuf::Message for CliReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4094:6
[INFO] [stderr]      |
[INFO] [stderr] 4094 | impl ::protobuf::MessageStatic for CliReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4437:6
[INFO] [stderr]      |
[INFO] [stderr] 4437 | impl ::protobuf::Message for CliRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4606:6
[INFO] [stderr]      |
[INFO] [stderr] 4606 | impl ::protobuf::MessageStatic for CliRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4830:6
[INFO] [stderr]      |
[INFO] [stderr] 4830 | impl ::protobuf::Message for VoteReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4967:6
[INFO] [stderr]      |
[INFO] [stderr] 4967 | impl ::protobuf::MessageStatic for VoteReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5114:6
[INFO] [stderr]      |
[INFO] [stderr] 5114 | impl ::protobuf::Message for VoteRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5203:6
[INFO] [stderr]      |
[INFO] [stderr] 5203 | impl ::protobuf::MessageStatic for VoteRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5377:6
[INFO] [stderr]      |
[INFO] [stderr] 5377 | impl ::protobuf::Message for Append {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Append`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Append`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5494:6
[INFO] [stderr]      |
[INFO] [stderr] 5494 | impl ::protobuf::MessageStatic for Append {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Append`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Append`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5654:6
[INFO] [stderr]      |
[INFO] [stderr] 5654 | impl ::protobuf::Message for AppendRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::AppendRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::AppendRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5753:6
[INFO] [stderr]      |
[INFO] [stderr] 5753 | impl ::protobuf::MessageStatic for AppendRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::AppendRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::AppendRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:6022:6
[INFO] [stderr]      |
[INFO] [stderr] 6022 | impl ::protobuf::Message for PeerMsg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::PeerMsg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::PeerMsg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:6159:6
[INFO] [stderr]      |
[INFO] [stderr] 6159 | impl ::protobuf::MessageStatic for PeerMsg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::PeerMsg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::PeerMsg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:118:6
[INFO] [stderr]     |
[INFO] [stderr] 118 | impl ::protobuf::Message for SetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:207:6
[INFO] [stderr]     |
[INFO] [stderr] 207 | impl ::protobuf::MessageStatic for SetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:371:6
[INFO] [stderr]     |
[INFO] [stderr] 371 | impl ::protobuf::Message for SetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:473:6
[INFO] [stderr]     |
[INFO] [stderr] 473 | impl ::protobuf::MessageStatic for SetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::SetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::SetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:602:6
[INFO] [stderr]     |
[INFO] [stderr] 602 | impl ::protobuf::Message for GetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Out` cannot be known at compilation time
[INFO] [stderr]  --> src/codec.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn decode(&mut self, buf: &mut In) -> Vec<Out>;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::marker::Sized` is not implemented for `Out`
[INFO] [stderr]   = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]   = help: consider adding a `where Out: std::marker::Sized` bound
[INFO] [stderr]   = note: required by `std::vec::Vec`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:675:6
[INFO] [stderr]     |
[INFO] [stderr] 675 | impl ::protobuf::MessageStatic for GetReq {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:870:6
[INFO] [stderr]     |
[INFO] [stderr] 870 | impl ::protobuf::Message for GetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]    --> src/serialization.rs:985:6
[INFO] [stderr]     |
[INFO] [stderr] 985 | impl ::protobuf::MessageStatic for GetRes {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `serialization::GetRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]     = note: required because it appears within the type `serialization::GetRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1197:6
[INFO] [stderr]      |
[INFO] [stderr] 1197 | impl ::protobuf::Message for CASReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1296:6
[INFO] [stderr]      |
[INFO] [stderr] 1296 | impl ::protobuf::MessageStatic for CASReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1505:6
[INFO] [stderr]      |
[INFO] [stderr] 1505 | impl ::protobuf::Message for CASRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1620:6
[INFO] [stderr]      |
[INFO] [stderr] 1620 | impl ::protobuf::MessageStatic for CASRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CASRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CASRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1756:6
[INFO] [stderr]      |
[INFO] [stderr] 1756 | impl ::protobuf::Message for DelReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:1829:6
[INFO] [stderr]      |
[INFO] [stderr] 1829 | impl ::protobuf::MessageStatic for DelReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2024:6
[INFO] [stderr]      |
[INFO] [stderr] 2024 | impl ::protobuf::Message for DelRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2142:6
[INFO] [stderr]      |
[INFO] [stderr] 2142 | impl ::protobuf::MessageStatic for DelRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::DelRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::DelRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2341:6
[INFO] [stderr]      |
[INFO] [stderr] 2341 | impl ::protobuf::Message for WatchReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2462:6
[INFO] [stderr]      |
[INFO] [stderr] 2462 | impl ::protobuf::MessageStatic for WatchReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2646:6
[INFO] [stderr]      |
[INFO] [stderr] 2646 | impl ::protobuf::Message for WatchRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2744:6
[INFO] [stderr]      |
[INFO] [stderr] 2744 | impl ::protobuf::MessageStatic for WatchRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::WatchRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::WatchRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:2931:6
[INFO] [stderr]      |
[INFO] [stderr] 2931 | impl ::protobuf::Message for RedirectRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::RedirectRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::RedirectRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3030:6
[INFO] [stderr]      |
[INFO] [stderr] 3030 | impl ::protobuf::MessageStatic for RedirectRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::RedirectRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::RedirectRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3291:6
[INFO] [stderr]      |
[INFO] [stderr] 3291 | impl ::protobuf::Message for Mutation {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Mutation`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Mutation`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3425:6
[INFO] [stderr]      |
[INFO] [stderr] 3425 | impl ::protobuf::MessageStatic for Mutation {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Mutation`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Mutation`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3572:6
[INFO] [stderr]      |
[INFO] [stderr] 3572 | impl ::protobuf::Message for Version {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Version`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Version`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3661:6
[INFO] [stderr]      |
[INFO] [stderr] 3661 | impl ::protobuf::MessageStatic for Version {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Version`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Version`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:3941:6
[INFO] [stderr]      |
[INFO] [stderr] 3941 | impl ::protobuf::Message for CliReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4094:6
[INFO] [stderr]      |
[INFO] [stderr] 4094 | impl ::protobuf::MessageStatic for CliReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4437:6
[INFO] [stderr]      |
[INFO] [stderr] 4437 | impl ::protobuf::Message for CliRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4606:6
[INFO] [stderr]      |
[INFO] [stderr] 4606 | impl ::protobuf::MessageStatic for CliRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::CliRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::CliRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4830:6
[INFO] [stderr]      |
[INFO] [stderr] 4830 | impl ::protobuf::Message for VoteReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:4967:6
[INFO] [stderr]      |
[INFO] [stderr] 4967 | impl ::protobuf::MessageStatic for VoteReq {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteReq`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteReq`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5114:6
[INFO] [stderr]      |
[INFO] [stderr] 5114 | impl ::protobuf::Message for VoteRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5203:6
[INFO] [stderr]      |
[INFO] [stderr] 5203 | impl ::protobuf::MessageStatic for VoteRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::VoteRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::VoteRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5377:6
[INFO] [stderr]      |
[INFO] [stderr] 5377 | impl ::protobuf::Message for Append {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Append`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Append`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5494:6
[INFO] [stderr]      |
[INFO] [stderr] 5494 | impl ::protobuf::MessageStatic for Append {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::Append`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::Append`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5654:6
[INFO] [stderr]      |
[INFO] [stderr] 5654 | impl ::protobuf::Message for AppendRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::AppendRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::AppendRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:5753:6
[INFO] [stderr]      |
[INFO] [stderr] 5753 | impl ::protobuf::MessageStatic for AppendRes {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::AppendRes`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::AppendRes`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:6022:6
[INFO] [stderr]      |
[INFO] [stderr] 6022 | impl ::protobuf::Message for PeerMsg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::PeerMsg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::PeerMsg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]     --> src/serialization.rs:6159:6
[INFO] [stderr]      |
[INFO] [stderr] 6159 | impl ::protobuf::MessageStatic for PeerMsg {
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::Cell<u32>` cannot be shared between threads safely
[INFO] [stderr]      |
[INFO] [stderr]      = help: within `serialization::PeerMsg`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell<u32>`
[INFO] [stderr]      = note: required because it appears within the type `serialization::PeerMsg`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Out` cannot be known at compilation time
[INFO] [stderr]  --> src/codec.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn decode(&mut self, buf: &mut In) -> Vec<Out>;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::marker::Sized` is not implemented for `Out`
[INFO] [stderr]   = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]   = help: consider adding a `where Out: std::marker::Sized` bound
[INFO] [stderr]   = note: required by `std::vec::Vec`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 41 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `rasputin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 41 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `rasputin`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fbb2a6572e5fccbe2c7de7ba1e6f647b91bb8fb93a3e6e8545580a2a29a938cf"`
[INFO] running `"docker" "rm" "-f" "fbb2a6572e5fccbe2c7de7ba1e6f647b91bb8fb93a3e6e8545580a2a29a938cf"`
[INFO] [stdout] fbb2a6572e5fccbe2c7de7ba1e6f647b91bb8fb93a3e6e8545580a2a29a938cf