[INFO] updating cached repository https://github.com/ketralnis/cachebench
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41cf9a45e136dbf7b71e17e724a645a4bc8ef99d
[INFO] testing ketralnis/cachebench against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fketralnis%2Fcachebench" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ketralnis/cachebench on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ketralnis/cachebench
[INFO] finished tweaking git repo https://github.com/ketralnis/cachebench
[INFO] tweaked toml for git repo https://github.com/ketralnis/cachebench written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ketralnis/cachebench already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 90eb0f333eaace28ebe56ed1441109152d237200c3af1f0406fd185e5570dfd1
[INFO] running `"docker" "start" "-a" "90eb0f333eaace28ebe56ed1441109152d237200c3af1f0406fd185e5570dfd1"`
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling cachebench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(socket.write(setter_name));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     try!(socket.write(key));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     try!(socket.write(format!("{}", flags).as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     try!(socket.write(format!("{}", exptime).as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     try!(socket.write(format!("{}", data.len()).as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     try!(socket.write(data));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(socket.write(b"cas "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     try!(socket.write(key));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     try!(socket.write(format!("{}", flags).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     try!(socket.write(format!("{}", exptime).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     try!(socket.write(format!("{}", data.len()).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     try!(socket.write(format!("{}", unique).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(socket.write(data));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     try!(socket.write(getter_name));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(socket.write(b" "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         try!(socket.write(&key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     try!(socket.write(b"delete "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     try!(socket.write(key));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     try!(socket.write(increr_name));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     try!(socket.write(key));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     try!(socket.write(format!("{}", value).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     try!(socket.write(b"touch "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     try!(socket.write(key));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     try!(socket.write(format!("{}", exptime).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     try!(socket.write(b"flush_all\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:372:5
[INFO] [stderr]     |
[INFO] [stderr] 372 |     try!(socket.flush());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:378:15
[INFO] [stderr]     |
[INFO] [stderr] 378 |         match try!(socket.read(&mut buff)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bench.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/bench.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/protocol.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/cmd.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             return print_usage_and_die(1);
[INFO] [stderr]    |             ^^^^^^^----------------------
[INFO] [stderr]    |             |      |
[INFO] [stderr]    |             |      any code following this expression is unreachable
[INFO] [stderr]    |             unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/cmd.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         return print_usage_and_die(1);
[INFO] [stderr]    |         ^^^^^^^----------------------
[INFO] [stderr]    |         |      |
[INFO] [stderr]    |         |      any code following this expression is unreachable
[INFO] [stderr]    |         unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/cmd.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             return print_usage_and_die(1);
[INFO] [stderr]    |             ^^^^^^^----------------------
[INFO] [stderr]    |             |      |
[INFO] [stderr]    |             |      any code following this expression is unreachable
[INFO] [stderr]    |             unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/protocol.rs:411:25
[INFO] [stderr]     |
[INFO] [stderr] 410 |                           continue;
[INFO] [stderr]     |                           -------- any code following this expression is unreachable
[INFO] [stderr] 411 | /                         return Err(ClientError::Parse(
[INFO] [stderr] 412 | |                             format!("some parsing issue: {:?}", err)));
[INFO] [stderr]     | |_______________________________________________________________________^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/protocol.rs:395:36
[INFO] [stderr]     |
[INFO] [stderr] 395 |                     IResult::Error(err) => {
[INFO] [stderr]     |                                    ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/protocol.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / pub fn add(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 76 | |     -> ParseResult {
[INFO] [stderr] 77 | |     setter(socket, b"add", key, data, flags, exptime)
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `replace`
[INFO] [stderr]   --> src/protocol.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | / pub fn replace(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 81 | |     -> ParseResult {
[INFO] [stderr] 82 | |     setter(socket, b"replace", key, data, flags, exptime)
[INFO] [stderr] 83 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `append`
[INFO] [stderr]   --> src/protocol.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | / pub fn append(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 86 | |     -> ParseResult {
[INFO] [stderr] 87 | |     setter(socket, b"append", key, data, flags, exptime)
[INFO] [stderr] 88 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepend`
[INFO] [stderr]   --> src/protocol.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | / pub fn prepend(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 91 | |     -> ParseResult {
[INFO] [stderr] 92 | |     setter(socket, b"prepend", key, data, flags, exptime)
[INFO] [stderr] 93 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cas`
[INFO] [stderr]    --> src/protocol.rs:95:1
[INFO] [stderr]     |
[INFO] [stderr] 95  | / pub fn cas(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32, unique: u64)
[INFO] [stderr] 96  | |     -> ParseResult {
[INFO] [stderr] 97  | |     try!(socket.write(b"cas "));
[INFO] [stderr] 98  | |     try!(socket.write(key));
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |     parse(socket)
[INFO] [stderr] 111 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gets`
[INFO] [stderr]    --> src/protocol.rs:129:1
[INFO] [stderr]     |
[INFO] [stderr] 129 | / pub fn gets(socket: &mut TcpStream, keys: &Vec<Vec<u8>>)
[INFO] [stderr] 130 | |     -> ParseResult {
[INFO] [stderr] 131 | |     getter(socket, b"gets", keys)
[INFO] [stderr] 132 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]    --> src/protocol.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 | / pub fn delete(socket: &mut TcpStream, key: &[u8])
[INFO] [stderr] 135 | |     -> ParseResult {
[INFO] [stderr] 136 | |     try!(socket.write(b"delete "));
[INFO] [stderr] 137 | |     try!(socket.write(key));
[INFO] [stderr] 138 | |     try!(socket.write(b"\r\n"));
[INFO] [stderr] 139 | |     parse(socket)
[INFO] [stderr] 140 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increr`
[INFO] [stderr]    --> src/protocol.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | / fn increr(socket: &mut TcpStream, increr_name: &[u8], key: &[u8], value: u64)
[INFO] [stderr] 143 | |     -> ParseResult {
[INFO] [stderr] 144 | |     try!(socket.write(increr_name));
[INFO] [stderr] 145 | |     try!(socket.write(b" "));
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |     parse(socket)
[INFO] [stderr] 151 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `incr`
[INFO] [stderr]    --> src/protocol.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | / pub fn incr(socket: &mut TcpStream, key: &[u8], value: u64)
[INFO] [stderr] 154 | |     -> ParseResult {
[INFO] [stderr] 155 | |     increr(socket, b"incr", key, value)
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decr`
[INFO] [stderr]    --> src/protocol.rs:158:1
[INFO] [stderr]     |
[INFO] [stderr] 158 | / pub fn decr(socket: &mut TcpStream, key: &[u8], value: u64)
[INFO] [stderr] 159 | |     -> ParseResult {
[INFO] [stderr] 160 | |     increr(socket, b"decr", key, value)
[INFO] [stderr] 161 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `touch`
[INFO] [stderr]    --> src/protocol.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | / pub fn touch(socket: &mut TcpStream, key: &[u8], exptime: u32)
[INFO] [stderr] 164 | |     -> ParseResult {
[INFO] [stderr] 165 | |     try!(socket.write(b"touch "));
[INFO] [stderr] 166 | |     try!(socket.write(key));
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     parse(socket)
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `"docker" "inspect" "90eb0f333eaace28ebe56ed1441109152d237200c3af1f0406fd185e5570dfd1"`
[INFO] running `"docker" "rm" "-f" "90eb0f333eaace28ebe56ed1441109152d237200c3af1f0406fd185e5570dfd1"`
[INFO] [stdout] 90eb0f333eaace28ebe56ed1441109152d237200c3af1f0406fd185e5570dfd1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b6c97b0ebd58325afbf171b708b434f52fc9be1bdffda80096d4fb7f183a1315
[INFO] running `"docker" "start" "-a" "b6c97b0ebd58325afbf171b708b434f52fc9be1bdffda80096d4fb7f183a1315"`
[INFO] [stderr]    Compiling cachebench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(socket.write(setter_name));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     try!(socket.write(key));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     try!(socket.write(format!("{}", flags).as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     try!(socket.write(format!("{}", exptime).as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     try!(socket.write(format!("{}", data.len()).as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     try!(socket.write(data));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(socket.write(b"cas "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     try!(socket.write(key));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/protocol.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     try!(socket.write(b" "));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     try!(socket.write(format!("{}", flags).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     try!(socket.write(format!("{}", exptime).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     try!(socket.write(format!("{}", data.len()).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     try!(socket.write(format!("{}", unique).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     try!(socket.write(data));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     try!(socket.write(getter_name));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(socket.write(b" "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         try!(socket.write(&key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     try!(socket.write(b"delete "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     try!(socket.write(key));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     try!(socket.write(increr_name));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     try!(socket.write(key));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     try!(socket.write(format!("{}", value).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     try!(socket.write(b"touch "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     try!(socket.write(key));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     try!(socket.write(b" "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     try!(socket.write(format!("{}", exptime).as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     try!(socket.write(b"\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     try!(socket.write(b"flush_all\r\n"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:372:5
[INFO] [stderr]     |
[INFO] [stderr] 372 |     try!(socket.flush());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/protocol.rs:378:15
[INFO] [stderr]     |
[INFO] [stderr] 378 |         match try!(socket.read(&mut buff)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bench.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/bench.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/protocol.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/cmd.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             return print_usage_and_die(1);
[INFO] [stderr]    |             ^^^^^^^----------------------
[INFO] [stderr]    |             |      |
[INFO] [stderr]    |             |      any code following this expression is unreachable
[INFO] [stderr]    |             unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/cmd.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         return print_usage_and_die(1);
[INFO] [stderr]    |         ^^^^^^^----------------------
[INFO] [stderr]    |         |      |
[INFO] [stderr]    |         |      any code following this expression is unreachable
[INFO] [stderr]    |         unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/cmd.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             return print_usage_and_die(1);
[INFO] [stderr]    |             ^^^^^^^----------------------
[INFO] [stderr]    |             |      |
[INFO] [stderr]    |             |      any code following this expression is unreachable
[INFO] [stderr]    |             unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/protocol.rs:411:25
[INFO] [stderr]     |
[INFO] [stderr] 410 |                           continue;
[INFO] [stderr]     |                           -------- any code following this expression is unreachable
[INFO] [stderr] 411 | /                         return Err(ClientError::Parse(
[INFO] [stderr] 412 | |                             format!("some parsing issue: {:?}", err)));
[INFO] [stderr]     | |_______________________________________________________________________^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/protocol.rs:395:36
[INFO] [stderr]     |
[INFO] [stderr] 395 |                     IResult::Error(err) => {
[INFO] [stderr]     |                                    ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/protocol.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / pub fn add(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 76 | |     -> ParseResult {
[INFO] [stderr] 77 | |     setter(socket, b"add", key, data, flags, exptime)
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `replace`
[INFO] [stderr]   --> src/protocol.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | / pub fn replace(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 81 | |     -> ParseResult {
[INFO] [stderr] 82 | |     setter(socket, b"replace", key, data, flags, exptime)
[INFO] [stderr] 83 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `append`
[INFO] [stderr]   --> src/protocol.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | / pub fn append(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 86 | |     -> ParseResult {
[INFO] [stderr] 87 | |     setter(socket, b"append", key, data, flags, exptime)
[INFO] [stderr] 88 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepend`
[INFO] [stderr]   --> src/protocol.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | / pub fn prepend(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32)
[INFO] [stderr] 91 | |     -> ParseResult {
[INFO] [stderr] 92 | |     setter(socket, b"prepend", key, data, flags, exptime)
[INFO] [stderr] 93 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cas`
[INFO] [stderr]    --> src/protocol.rs:95:1
[INFO] [stderr]     |
[INFO] [stderr] 95  | / pub fn cas(socket: &mut TcpStream, key: &[u8], data: &[u8], flags: u32, exptime: u32, unique: u64)
[INFO] [stderr] 96  | |     -> ParseResult {
[INFO] [stderr] 97  | |     try!(socket.write(b"cas "));
[INFO] [stderr] 98  | |     try!(socket.write(key));
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |     parse(socket)
[INFO] [stderr] 111 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gets`
[INFO] [stderr]    --> src/protocol.rs:129:1
[INFO] [stderr]     |
[INFO] [stderr] 129 | / pub fn gets(socket: &mut TcpStream, keys: &Vec<Vec<u8>>)
[INFO] [stderr] 130 | |     -> ParseResult {
[INFO] [stderr] 131 | |     getter(socket, b"gets", keys)
[INFO] [stderr] 132 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delete`
[INFO] [stderr]    --> src/protocol.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 | / pub fn delete(socket: &mut TcpStream, key: &[u8])
[INFO] [stderr] 135 | |     -> ParseResult {
[INFO] [stderr] 136 | |     try!(socket.write(b"delete "));
[INFO] [stderr] 137 | |     try!(socket.write(key));
[INFO] [stderr] 138 | |     try!(socket.write(b"\r\n"));
[INFO] [stderr] 139 | |     parse(socket)
[INFO] [stderr] 140 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increr`
[INFO] [stderr]    --> src/protocol.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | / fn increr(socket: &mut TcpStream, increr_name: &[u8], key: &[u8], value: u64)
[INFO] [stderr] 143 | |     -> ParseResult {
[INFO] [stderr] 144 | |     try!(socket.write(increr_name));
[INFO] [stderr] 145 | |     try!(socket.write(b" "));
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |     parse(socket)
[INFO] [stderr] 151 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `incr`
[INFO] [stderr]    --> src/protocol.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | / pub fn incr(socket: &mut TcpStream, key: &[u8], value: u64)
[INFO] [stderr] 154 | |     -> ParseResult {
[INFO] [stderr] 155 | |     increr(socket, b"incr", key, value)
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decr`
[INFO] [stderr]    --> src/protocol.rs:158:1
[INFO] [stderr]     |
[INFO] [stderr] 158 | / pub fn decr(socket: &mut TcpStream, key: &[u8], value: u64)
[INFO] [stderr] 159 | |     -> ParseResult {
[INFO] [stderr] 160 | |     increr(socket, b"decr", key, value)
[INFO] [stderr] 161 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `touch`
[INFO] [stderr]    --> src/protocol.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | / pub fn touch(socket: &mut TcpStream, key: &[u8], exptime: u32)
[INFO] [stderr] 164 | |     -> ParseResult {
[INFO] [stderr] 165 | |     try!(socket.write(b"touch "));
[INFO] [stderr] 166 | |     try!(socket.write(key));
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     parse(socket)
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "b6c97b0ebd58325afbf171b708b434f52fc9be1bdffda80096d4fb7f183a1315"`
[INFO] running `"docker" "rm" "-f" "b6c97b0ebd58325afbf171b708b434f52fc9be1bdffda80096d4fb7f183a1315"`
[INFO] [stdout] b6c97b0ebd58325afbf171b708b434f52fc9be1bdffda80096d4fb7f183a1315
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2e980846d6491d44abedaa034228c58c8cac4a44bd7189757391287f0e3975fa
[INFO] running `"docker" "start" "-a" "2e980846d6491d44abedaa034228c58c8cac4a44bd7189757391287f0e3975fa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cachebench-2b77940674645656
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test protocol::tests::tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2e980846d6491d44abedaa034228c58c8cac4a44bd7189757391287f0e3975fa"`
[INFO] running `"docker" "rm" "-f" "2e980846d6491d44abedaa034228c58c8cac4a44bd7189757391287f0e3975fa"`
[INFO] [stdout] 2e980846d6491d44abedaa034228c58c8cac4a44bd7189757391287f0e3975fa