Dec 05 00:48:58.720 INFO checking OneMoreByte/ftp-downloader against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:48:58.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:48:59.183 INFO [stdout] c52dcdda51f9226f87fa4eaa6b9c3338bb75c3416c0d7d615451e722eac140da
Dec 05 00:48:59.185 INFO running `"docker" "start" "-a" "c52dcdda51f9226f87fa4eaa6b9c3338bb75c3416c0d7d615451e722eac140da"`
Dec 05 00:49:00.607 INFO [stderr] usermod: no changes
Dec 05 00:49:00.799 INFO [stderr]     Checking num-traits v0.1.34
Dec 05 00:49:00.807 INFO [stderr]     Checking libc v0.2.14
Dec 05 00:49:01.755 INFO [stderr]     Checking thread-id v2.0.0
Dec 05 00:49:01.755 INFO [stderr]     Checking memchr v0.1.11
Dec 05 00:49:01.755 INFO [stderr]     Checking time v0.1.35
Dec 05 00:49:02.239 INFO [stderr]     Checking num-integer v0.1.32
Dec 05 00:49:02.859 INFO [stderr]     Checking thread_local v0.2.6
Dec 05 00:49:02.923 INFO [stderr]     Checking aho-corasick v0.5.2
Dec 05 00:49:03.079 INFO [stderr]     Checking num-iter v0.1.32
Dec 05 00:49:04.303 INFO [stderr]     Checking num v0.1.34
Dec 05 00:49:04.763 INFO [stderr]     Checking regex v0.1.73
Dec 05 00:49:04.887 INFO [stderr]     Checking chrono v0.2.25
Dec 05 00:49:08.652 INFO [stderr]     Checking ftp v2.0.0
Dec 05 00:49:09.983 INFO [stderr]     Checking ftpdown v0.2.0 (/source)
Dec 05 00:49:11.515 INFO [stderr] warning: unused import: `ftp::FtpStream`
Dec 05 00:49:11.515 INFO [stderr]   --> src/main.rs:10:5
Dec 05 00:49:11.515 INFO [stderr]    |
Dec 05 00:49:11.515 INFO [stderr] 10 | use ftp::FtpStream;
Dec 05 00:49:11.515 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 05 00:49:11.515 INFO [stderr]    |
Dec 05 00:49:11.515 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 00:49:11.515 INFO [stderr] 
Dec 05 00:49:11.515 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 00:49:11.515 INFO [stderr]    --> src/main.rs:332:37
Dec 05 00:49:11.515 INFO [stderr]     |
Dec 05 00:49:11.515 INFO [stderr] 332 | /                                     ((lsize.checked_mul(100).unwrap())
Dec 05 00:49:11.515 INFO [stderr] 333 | |                                          .checked_div(rsize.unwrap())
Dec 05 00:49:11.515 INFO [stderr] 334 | |                                          .unwrap()),
Dec 05 00:49:11.515 INFO [stderr]     | |___________________________________________________^
Dec 05 00:49:11.515 INFO [stderr]     |
Dec 05 00:49:11.515 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 00:49:11.515 INFO [stderr] help: remove these parentheses
Dec 05 00:49:11.515 INFO [stderr]     |
Dec 05 00:49:11.515 INFO [stderr] 332 |                                     (lsize.checked_mul(100).unwrap())
Dec 05 00:49:11.515 INFO [stderr] 333 |                                          .checked_div(rsize.unwrap())
Dec 05 00:49:11.515 INFO [stderr] 334 |                                          .unwrap(),
Dec 05 00:49:11.515 INFO [stderr]     |
Dec 05 00:49:11.523 INFO [stderr] 
Dec 05 00:49:11.540 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 05 00:49:11.540 INFO [stderr]   --> src/util.rs:12:26
Dec 05 00:49:11.540 INFO [stderr]    |
Dec 05 00:49:11.540 INFO [stderr] 12 |     let mut config_dir = env::home_dir().unwrap().to_str().unwrap().to_string();
Dec 05 00:49:11.540 INFO [stderr]    |                          ^^^^^^^^^^^^^
Dec 05 00:49:11.540 INFO [stderr]    |
Dec 05 00:49:11.540 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 05 00:49:11.540 INFO [stderr] 
Dec 05 00:49:11.540 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 05 00:49:11.540 INFO [stderr]    --> src/main.rs:387:22
Dec 05 00:49:11.540 INFO [stderr]     |
Dec 05 00:49:11.547 INFO [stderr] 387 |     let mut conf_d = env::home_dir().unwrap().to_str().unwrap().to_string();
Dec 05 00:49:11.547 INFO [stderr]     |                      ^^^^^^^^^^^^^
Dec 05 00:49:11.547 INFO [stderr] 
Dec 05 00:49:11.739 INFO [stderr] warning: unused variable: `dr`
Dec 05 00:49:11.739 INFO [stderr]    --> src/main.rs:217:51
Dec 05 00:49:11.739 INFO [stderr]     |
Dec 05 00:49:11.739 INFO [stderr] 217 | fn download_from_site(mut config: config::Config, dr: bool) -> std::io::Result<()> {
Dec 05 00:49:11.739 INFO [stderr]     |                                                   ^^ help: consider using `_dr` instead
Dec 05 00:49:11.739 INFO [stderr]     |
Dec 05 00:49:11.739 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 00:49:11.739 INFO [stderr] 
Dec 05 00:49:11.739 INFO [stderr] warning: unused variable: `dir`
Dec 05 00:49:11.739 INFO [stderr]    --> src/main.rs:347:29
Dec 05 00:49:11.739 INFO [stderr]     |
Dec 05 00:49:11.739 INFO [stderr] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.739 INFO [stderr]     |                             ^^^ help: consider using `_dir` instead
Dec 05 00:49:11.739 INFO [stderr] 
Dec 05 00:49:11.739 INFO [stderr] warning: unused variable: `file`
Dec 05 00:49:11.739 INFO [stderr]    --> src/main.rs:352:29
Dec 05 00:49:11.739 INFO [stderr]     |
Dec 05 00:49:11.739 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.739 INFO [stderr]     |                             ^^^^ help: consider using `_file` instead
Dec 05 00:49:11.739 INFO [stderr] 
Dec 05 00:49:11.739 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:11.739 INFO [stderr]    --> src/main.rs:219:9
Dec 05 00:49:11.739 INFO [stderr]     |
Dec 05 00:49:11.739 INFO [stderr] 219 |     let mut ftpstream = config.get_ftpstream();
Dec 05 00:49:11.739 INFO [stderr]     |         ----^^^^^^^^^
Dec 05 00:49:11.739 INFO [stderr]     |         |
Dec 05 00:49:11.739 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:49:11.739 INFO [stderr]     |
Dec 05 00:49:11.739 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:49:11.739 INFO [stderr] 
Dec 05 00:49:11.751 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:11.751 INFO [stderr]    --> src/main.rs:347:57
Dec 05 00:49:11.751 INFO [stderr]     |
Dec 05 00:49:11.751 INFO [stderr] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.751 INFO [stderr]     |                                                         ----^^^^^^^^^
Dec 05 00:49:11.751 INFO [stderr]     |                                                         |
Dec 05 00:49:11.751 INFO [stderr]     |                                                         help: remove this `mut`
Dec 05 00:49:11.751 INFO [stderr] 
Dec 05 00:49:11.751 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:11.751 INFO [stderr]    --> src/main.rs:352:25
Dec 05 00:49:11.751 INFO [stderr]     |
Dec 05 00:49:11.751 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.751 INFO [stderr]     |                         ----^^^^
Dec 05 00:49:11.751 INFO [stderr]     |                         |
Dec 05 00:49:11.751 INFO [stderr]     |                         help: remove this `mut`
Dec 05 00:49:11.751 INFO [stderr] 
Dec 05 00:49:11.751 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:11.751 INFO [stderr]    --> src/main.rs:352:58
Dec 05 00:49:11.751 INFO [stderr]     |
Dec 05 00:49:11.751 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.751 INFO [stderr]     |                                                          ----^^^^^^^^^
Dec 05 00:49:11.751 INFO [stderr]     |                                                          |
Dec 05 00:49:11.751 INFO [stderr]     |                                                          help: remove this `mut`
Dec 05 00:49:11.751 INFO [stderr] 
Dec 05 00:49:11.761 INFO [stderr] warning: unused import: `ftp::FtpStream`
Dec 05 00:49:11.761 INFO [stderr]   --> src/main.rs:10:5
Dec 05 00:49:11.761 INFO [stderr]    |
Dec 05 00:49:11.761 INFO [stderr] 10 | use ftp::FtpStream;
Dec 05 00:49:11.761 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 05 00:49:11.761 INFO [stderr]    |
Dec 05 00:49:11.761 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 00:49:11.761 INFO [stderr] 
Dec 05 00:49:11.763 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 00:49:11.763 INFO [stderr]    --> src/main.rs:332:37
Dec 05 00:49:11.763 INFO [stderr]     |
Dec 05 00:49:11.763 INFO [stderr] 332 | /                                     ((lsize.checked_mul(100).unwrap())
Dec 05 00:49:11.763 INFO [stderr] 333 | |                                          .checked_div(rsize.unwrap())
Dec 05 00:49:11.763 INFO [stderr] 334 | |                                          .unwrap()),
Dec 05 00:49:11.763 INFO [stderr]     | |___________________________________________________^
Dec 05 00:49:11.763 INFO [stderr]     |
Dec 05 00:49:11.763 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 00:49:11.763 INFO [stderr] help: remove these parentheses
Dec 05 00:49:11.763 INFO [stderr]     |
Dec 05 00:49:11.763 INFO [stderr] 332 |                                     (lsize.checked_mul(100).unwrap())
Dec 05 00:49:11.763 INFO [stderr] 333 |                                          .checked_div(rsize.unwrap())
Dec 05 00:49:11.763 INFO [stderr] 334 |                                          .unwrap(),
Dec 05 00:49:11.763 INFO [stderr]     |
Dec 05 00:49:11.763 INFO [stderr] 
Dec 05 00:49:11.787 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 05 00:49:11.787 INFO [stderr]   --> src/util.rs:12:26
Dec 05 00:49:11.787 INFO [stderr]    |
Dec 05 00:49:11.787 INFO [stderr] 12 |     let mut config_dir = env::home_dir().unwrap().to_str().unwrap().to_string();
Dec 05 00:49:11.787 INFO [stderr]    |                          ^^^^^^^^^^^^^
Dec 05 00:49:11.787 INFO [stderr]    |
Dec 05 00:49:11.787 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 05 00:49:11.787 INFO [stderr] 
Dec 05 00:49:11.787 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 05 00:49:11.787 INFO [stderr]    --> src/main.rs:387:22
Dec 05 00:49:11.787 INFO [stderr]     |
Dec 05 00:49:11.787 INFO [stderr] 387 |     let mut conf_d = env::home_dir().unwrap().to_str().unwrap().to_string();
Dec 05 00:49:11.787 INFO [stderr]     |                      ^^^^^^^^^^^^^
Dec 05 00:49:11.787 INFO [stderr] 
Dec 05 00:49:11.795 INFO [stderr] warning: function is never used: `download_dir`
Dec 05 00:49:11.795 INFO [stderr]    --> src/main.rs:347:13
Dec 05 00:49:11.795 INFO [stderr]     |
Dec 05 00:49:11.795 INFO [stderr] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.795 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:11.795 INFO [stderr]     |
Dec 05 00:49:11.795 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 00:49:11.795 INFO [stderr] 
Dec 05 00:49:11.795 INFO [stderr] warning: function is never used: `fix_name`
Dec 05 00:49:11.795 INFO [stderr]    --> src/main.rs:352:13
Dec 05 00:49:11.795 INFO [stderr]     |
Dec 05 00:49:11.795 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.795 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:11.795 INFO [stderr] 
Dec 05 00:49:11.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:49:11.795 INFO [stderr]   --> src/util.rs:34:9
Dec 05 00:49:11.795 INFO [stderr]    |
Dec 05 00:49:11.795 INFO [stderr] 34 |         config_raw.read_to_string(&mut buff);
Dec 05 00:49:11.795 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:11.795 INFO [stderr]    |
Dec 05 00:49:11.795 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:49:11.795 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:49:11.795 INFO [stderr] 
Dec 05 00:49:11.983 INFO [stderr] warning: unused variable: `dr`
Dec 05 00:49:11.983 INFO [stderr]    --> src/main.rs:217:51
Dec 05 00:49:11.983 INFO [stderr]     |
Dec 05 00:49:11.983 INFO [stderr] 217 | fn download_from_site(mut config: config::Config, dr: bool) -> std::io::Result<()> {
Dec 05 00:49:11.983 INFO [stderr]     |                                                   ^^ help: consider using `_dr` instead
Dec 05 00:49:11.983 INFO [stderr]     |
Dec 05 00:49:11.983 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 00:49:11.983 INFO [stderr] 
Dec 05 00:49:11.983 INFO [stderr] warning: unused variable: `dir`
Dec 05 00:49:11.983 INFO [stderr]    --> src/main.rs:347:29
Dec 05 00:49:11.983 INFO [stderr]     |
Dec 05 00:49:11.983 INFO [stderr] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.983 INFO [stderr]     |                             ^^^ help: consider using `_dir` instead
Dec 05 00:49:11.983 INFO [stderr] 
Dec 05 00:49:11.983 INFO [stderr] warning: unused variable: `file`
Dec 05 00:49:11.983 INFO [stderr]    --> src/main.rs:352:29
Dec 05 00:49:11.983 INFO [stderr]     |
Dec 05 00:49:11.983 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:11.983 INFO [stderr]     |                             ^^^^ help: consider using `_file` instead
Dec 05 00:49:11.983 INFO [stderr] 
Dec 05 00:49:11.984 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:11.984 INFO [stderr]    --> src/main.rs:219:9
Dec 05 00:49:11.984 INFO [stderr]     |
Dec 05 00:49:11.984 INFO [stderr] 219 |     let mut ftpstream = config.get_ftpstream();
Dec 05 00:49:11.984 INFO [stderr]     |         ----^^^^^^^^^
Dec 05 00:49:11.984 INFO [stderr]     |         |
Dec 05 00:49:11.984 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:49:11.984 INFO [stderr]     |
Dec 05 00:49:11.984 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:49:11.984 INFO [stderr] 
Dec 05 00:49:12.004 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:12.004 INFO [stderr]    --> src/main.rs:347:57
Dec 05 00:49:12.004 INFO [stderr]     |
Dec 05 00:49:12.004 INFO [stderr] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:12.004 INFO [stderr]     |                                                         ----^^^^^^^^^
Dec 05 00:49:12.004 INFO [stderr]     |                                                         |
Dec 05 00:49:12.004 INFO [stderr]     |                                                         help: remove this `mut`
Dec 05 00:49:12.004 INFO [stderr] 
Dec 05 00:49:12.004 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:12.004 INFO [stderr]    --> src/main.rs:352:25
Dec 05 00:49:12.004 INFO [stderr]     |
Dec 05 00:49:12.004 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:12.004 INFO [stderr]     |                         ----^^^^
Dec 05 00:49:12.004 INFO [stderr]     |                         |
Dec 05 00:49:12.004 INFO [stderr]     |                         help: remove this `mut`
Dec 05 00:49:12.004 INFO [stderr] 
Dec 05 00:49:12.004 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:49:12.004 INFO [stderr]    --> src/main.rs:352:58
Dec 05 00:49:12.004 INFO [stderr]     |
Dec 05 00:49:12.004 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:12.004 INFO [stderr]     |                                                          ----^^^^^^^^^
Dec 05 00:49:12.004 INFO [stderr]     |                                                          |
Dec 05 00:49:12.004 INFO [stderr]     |                                                          help: remove this `mut`
Dec 05 00:49:12.004 INFO [stderr] 
Dec 05 00:49:12.019 INFO [stderr] warning: function is never used: `download_dir`
Dec 05 00:49:12.019 INFO [stderr]    --> src/main.rs:347:13
Dec 05 00:49:12.019 INFO [stderr]     |
Dec 05 00:49:12.019 INFO [stderr] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:12.019 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:12.019 INFO [stderr]     |
Dec 05 00:49:12.019 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 00:49:12.019 INFO [stderr] 
Dec 05 00:49:12.019 INFO [stderr] warning: function is never used: `fix_name`
Dec 05 00:49:12.019 INFO [stderr]    --> src/main.rs:352:13
Dec 05 00:49:12.019 INFO [stderr]     |
Dec 05 00:49:12.019 INFO [stderr] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
Dec 05 00:49:12.019 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:12.019 INFO [stderr] 
Dec 05 00:49:12.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:49:12.019 INFO [stderr]   --> src/util.rs:34:9
Dec 05 00:49:12.019 INFO [stderr]    |
Dec 05 00:49:12.019 INFO [stderr] 34 |         config_raw.read_to_string(&mut buff);
Dec 05 00:49:12.019 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:12.019 INFO [stderr]    |
Dec 05 00:49:12.019 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:49:12.019 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:49:12.019 INFO [stderr] 
Dec 05 00:49:12.071 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
Dec 05 00:49:12.075 INFO [stderr] su: No module specific data is present
Dec 05 00:49:12.955 INFO running `"docker" "inspect" "c52dcdda51f9226f87fa4eaa6b9c3338bb75c3416c0d7d615451e722eac140da"`
Dec 05 00:49:13.271 INFO running `"docker" "rm" "-f" "c52dcdda51f9226f87fa4eaa6b9c3338bb75c3416c0d7d615451e722eac140da"`
Dec 05 00:49:13.569 INFO [stdout] c52dcdda51f9226f87fa4eaa6b9c3338bb75c3416c0d7d615451e722eac140da