[INFO] updating cached repository ketralnis/cachebench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ketralnis/cachebench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ketralnis/cachebench" "work/ex/beta-1.38-1/sources/1.37.0/gh/ketralnis/cachebench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ketralnis/cachebench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ketralnis/cachebench" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ketralnis/cachebench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ketralnis/cachebench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41cf9a45e136dbf7b71e17e724a645a4bc8ef99d
[INFO] sha for GitHub repo ketralnis/cachebench: 41cf9a45e136dbf7b71e17e724a645a4bc8ef99d
[INFO] validating manifest of ketralnis/cachebench on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ketralnis/cachebench on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ketralnis/cachebench
[INFO] finished frobbing ketralnis/cachebench
[INFO] frobbed toml for ketralnis/cachebench written to work/ex/beta-1.38-1/sources/1.37.0/gh/ketralnis/cachebench/Cargo.toml
[INFO] started frobbing ketralnis/cachebench
[INFO] finished frobbing ketralnis/cachebench
[INFO] frobbed toml for ketralnis/cachebench written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ketralnis/cachebench/Cargo.toml
[INFO] crate ketralnis/cachebench already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ketralnis/cachebench/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ketralnis/cachebench against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ketralnis/cachebench:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f20566c88ff5d16d39db6d74c1a2dccb7de02c1d26c60c479959cbb11547eb9b
[INFO] running `"docker" "start" "-a" "f20566c88ff5d16d39db6d74c1a2dccb7de02c1d26c60c479959cbb11547eb9b"`
[INFO] [stderr]    Compiling cachebench v0.1.0 (/opt/crater/workdir)
[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]    = 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] 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] warning: unreachable statement
[INFO] [stderr]    --> src/protocol.rs:411:25
[INFO] [stderr]     |
[INFO] [stderr] 411 | /                         return Err(ClientError::Parse(
[INFO] [stderr] 412 | |                             format!("some parsing issue: {:?}", err)));
[INFO] [stderr]     | |_______________________________________________________________________^
[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 3.79s
[INFO] running `"docker" "inspect" "f20566c88ff5d16d39db6d74c1a2dccb7de02c1d26c60c479959cbb11547eb9b"`
[INFO] running `"docker" "rm" "-f" "f20566c88ff5d16d39db6d74c1a2dccb7de02c1d26c60c479959cbb11547eb9b"`
[INFO] [stdout] f20566c88ff5d16d39db6d74c1a2dccb7de02c1d26c60c479959cbb11547eb9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ketralnis/cachebench:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91fd0472b35645d5d0d971e3bff4e13f749613cfcdcea83f9dec33fc00c2af3c
[INFO] running `"docker" "start" "-a" "91fd0472b35645d5d0d971e3bff4e13f749613cfcdcea83f9dec33fc00c2af3c"`
[INFO] [stderr]    Compiling cachebench v0.1.0 (/opt/crater/workdir)
[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]    = 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] 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] warning: unreachable statement
[INFO] [stderr]    --> src/protocol.rs:411:25
[INFO] [stderr]     |
[INFO] [stderr] 411 | /                         return Err(ClientError::Parse(
[INFO] [stderr] 412 | |                             format!("some parsing issue: {:?}", err)));
[INFO] [stderr]     | |_______________________________________________________________________^
[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 1.61s
[INFO] running `"docker" "inspect" "91fd0472b35645d5d0d971e3bff4e13f749613cfcdcea83f9dec33fc00c2af3c"`
[INFO] running `"docker" "rm" "-f" "91fd0472b35645d5d0d971e3bff4e13f749613cfcdcea83f9dec33fc00c2af3c"`
[INFO] [stdout] 91fd0472b35645d5d0d971e3bff4e13f749613cfcdcea83f9dec33fc00c2af3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ketralnis/cachebench:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c04a888b8aed544c285ad4368a47d9827b5923862951fbdb9d525b9485a3fa27
[INFO] running `"docker" "start" "-a" "c04a888b8aed544c285ad4368a47d9827b5923862951fbdb9d525b9485a3fa27"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cachebench-8375e690436f95c7
[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" "c04a888b8aed544c285ad4368a47d9827b5923862951fbdb9d525b9485a3fa27"`
[INFO] running `"docker" "rm" "-f" "c04a888b8aed544c285ad4368a47d9827b5923862951fbdb9d525b9485a3fa27"`
[INFO] [stdout] c04a888b8aed544c285ad4368a47d9827b5923862951fbdb9d525b9485a3fa27