[INFO] updating cached repository https://github.com/rightfold/chainsaw
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 4e9f0b604c693b2622711b0863ee9d872fd6a494
[INFO] checking rightfold/chainsaw against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frightfold%2Fchainsaw" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rightfold/chainsaw on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rightfold/chainsaw
[INFO] finished tweaking git repo https://github.com/rightfold/chainsaw
[INFO] tweaked toml for git repo https://github.com/rightfold/chainsaw written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rightfold/chainsaw already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b929829832fb26e11060977f113ef96fd6f0fea92544a4ce7cf7a84514e822c3
[INFO] running `"docker" "start" "-a" "b929829832fb26e11060977f113ef96fd6f0fea92544a4ce7cf7a84514e822c3"`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking chainsaw v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:33:45
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut buf_reader = BufReader::new(try!(File::open(path)));
[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/config.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let full_line = try!(line_result);
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Ok(Config{store: try!(store.ok_or(Error::MissingStore)), logs: logs})
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let file = try!(Appender::open(&clock, store, log));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut file = try!(OpenOptions::new().create_new(true).append(true).open(path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(file.write_all(&FILE_HEADER));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(self.file.write_all(&binary::encode_u32(record.len() as u32)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(self.file.write_all(record));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(self.file.write_all(&binary::encode_u32(0)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |             self.file = try!(Self::open(&self.clock, self.store, self.log));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:33:45
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut buf_reader = BufReader::new(try!(File::open(path)));
[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/config.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let full_line = try!(line_result);
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Ok(Config{store: try!(store.ok_or(Error::MissingStore)), logs: logs})
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let file = try!(Appender::open(&clock, store, log));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut file = try!(OpenOptions::new().create_new(true).append(true).open(path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(file.write_all(&FILE_HEADER));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(self.file.write_all(&binary::encode_u32(record.len() as u32)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(self.file.write_all(record));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(self.file.write_all(&binary::encode_u32(0)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/log.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |             self.file = try!(Self::open(&self.clock, self.store, self.log));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/config.rs:48:45
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     { logs.insert(line[4..].trim_left().to_string()); },
[INFO] [stderr]    |                                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/config.rs:50:59
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     store = Some(PathBuf::from(&line[6..].trim_left())),
[INFO] [stderr]    |                                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/config.rs:48:45
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     { logs.insert(line[4..].trim_left().to_string()); },
[INFO] [stderr]    |                                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/config.rs:50:59
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     store = Some(PathBuf::from(&line[6..].trim_left())),
[INFO] [stderr]    |                                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/zmq.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn connect(&mut self, mut endpoint: &mut Vec<u8>) -> io::Result<()> {
[INFO] [stderr]    |                               ----^^^^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/zmq.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn connect(&mut self, mut endpoint: &mut Vec<u8>) -> io::Result<()> {
[INFO] [stderr]    |                               ----^^^^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let config_path = try!(env::args().nth(1).ok_or(Error::MissingConfigPath));
[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/bin/chainsawd.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let config = try!(Config::new_from_file(config_path));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |         zmq: try!(zmq::Context::new()),
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:61:20
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pub_ = try!(make_pub(&global.zmq));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:71:20
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut pub_ = try!(zmq::Socket::new(zmq, zmq::SocketType::PUB));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(pub_.bind(&mut INPROC_ADDRESS.to_vec()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let mut sub = try!(zmq::Socket::new(&global.zmq, zmq::SocketType::SUB));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     try!(sub.connect(&mut INPROC_ADDRESS.to_vec()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     try!(sub.subscribe(log.as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut appender = try!(log::open_for_append(clock, &global.store, log));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(sub.receive(&mut message));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         try!(appender.append(message.data()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let config_path = try!(env::args().nth(1).ok_or(Error::MissingConfigPath));
[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/bin/chainsawd.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let config = try!(Config::new_from_file(config_path));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |         zmq: try!(zmq::Context::new()),
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:61:20
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pub_ = try!(make_pub(&global.zmq));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:71:20
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut pub_ = try!(zmq::Socket::new(zmq, zmq::SocketType::PUB));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(pub_.bind(&mut INPROC_ADDRESS.to_vec()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let mut sub = try!(zmq::Socket::new(&global.zmq, zmq::SocketType::SUB));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     try!(sub.connect(&mut INPROC_ADDRESS.to_vec()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     try!(sub.subscribe(log.as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut appender = try!(log::open_for_append(clock, &global.store, log));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(sub.receive(&mut message));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/chainsawd.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         try!(appender.append(message.data()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pub_`
[INFO] [stderr]   --> src/bin/chainsawd.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pub_ = try!(make_pub(&global.zmq));
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/chainsawd.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pub_ = try!(make_pub(&global.zmq));
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pub_`
[INFO] [stderr]   --> src/bin/chainsawd.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pub_ = try!(make_pub(&global.zmq));
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/chainsawd.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pub_ = try!(make_pub(&global.zmq));
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "b929829832fb26e11060977f113ef96fd6f0fea92544a4ce7cf7a84514e822c3"`
[INFO] running `"docker" "rm" "-f" "b929829832fb26e11060977f113ef96fd6f0fea92544a4ce7cf7a84514e822c3"`
[INFO] [stdout] b929829832fb26e11060977f113ef96fd6f0fea92544a4ce7cf7a84514e822c3