[INFO] cloning repository https://github.com/OneMoreByte/ftp-downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OneMoreByte/ftp-downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneMoreByte%2Fftp-downloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneMoreByte%2Fftp-downloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e2df1590183656dd2f046acff2a55ba5da87776
[INFO] checking OneMoreByte/ftp-downloader against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneMoreByte%2Fftp-downloader" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OneMoreByte/ftp-downloader on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OneMoreByte/ftp-downloader
[INFO] finished tweaking git repo https://github.com/OneMoreByte/ftp-downloader
[INFO] tweaked toml for git repo https://github.com/OneMoreByte/ftp-downloader written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/OneMoreByte/ftp-downloader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ftp v2.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.3.4
[INFO] [stderr]   Downloaded regex v0.1.73
[INFO] [stderr]   Downloaded libc v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beeed7cc733d58cea412f912db415abbc1dd77bb502072eb40bb105cef2e2e5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "beeed7cc733d58cea412f912db415abbc1dd77bb502072eb40bb105cef2e2e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beeed7cc733d58cea412f912db415abbc1dd77bb502072eb40bb105cef2e2e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beeed7cc733d58cea412f912db415abbc1dd77bb502072eb40bb105cef2e2e5c", kill_on_drop: false }`
[INFO] [stdout] beeed7cc733d58cea412f912db415abbc1dd77bb502072eb40bb105cef2e2e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a34e3af87955e70b94e5377850b2486956fb62d2d97672f96201b57089297e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a34e3af87955e70b94e5377850b2486956fb62d2d97672f96201b57089297e8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.14
[INFO] [stderr]     Checking num-traits v0.1.34
[INFO] [stderr]     Checking regex-syntax v0.3.4
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.34
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking regex v0.1.73
[INFO] [stderr]     Checking ftp v2.0.0
[INFO] [stderr]     Checking ftpdown v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ftp::FtpStream`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ftp::FtpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/config.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         (s)
[INFO] [stdout]     |         ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 (loc.ends_with('/'))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:265:21
[INFO] [stdout]     |
[INFO] [stdout] 265 |                     (full_loc.clone())
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 (loc)
[INFO] [stdout]     |                 ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     (name)
[INFO] [stdout]     |                     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 | / ...                   ((lsize.checked_mul(100).unwrap())
[INFO] [stdout] 333 | | ...                        .checked_div(rsize.unwrap())
[INFO] [stdout] 334 | | ...                        .unwrap()),
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 332 |                                     (lsize.checked_mul(100).unwrap())
[INFO] [stdout] 333 |                                          .checked_div(rsize.unwrap())
[INFO] [stdout] 334 |                                          .unwrap(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |                     (ftpstream)
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 (ftpstream)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 (ftpstream)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/main.rs:387:22
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut conf_d = env::home_dir().unwrap().to_str().unwrap().to_string();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ftp::FtpStream`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ftp::FtpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/config.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         (s)
[INFO] [stdout]     |         ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 (loc.ends_with('/'))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:265:21
[INFO] [stdout]     |
[INFO] [stdout] 265 |                     (full_loc.clone())
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 (loc)
[INFO] [stdout]     |                 ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     (name)
[INFO] [stdout]     |                     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 | / ...                   ((lsize.checked_mul(100).unwrap())
[INFO] [stdout] 333 | | ...                        .checked_div(rsize.unwrap())
[INFO] [stdout] 334 | | ...                        .unwrap()),
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 332 |                                     (lsize.checked_mul(100).unwrap())
[INFO] [stdout] 333 |                                          .checked_div(rsize.unwrap())
[INFO] [stdout] 334 |                                          .unwrap(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |                     (ftpstream)
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 (ftpstream)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 (ftpstream)
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/util.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut config_dir = env::home_dir().unwrap().to_str().unwrap().to_string();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/main.rs:387:22
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut conf_d = env::home_dir().unwrap().to_str().unwrap().to_string();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/util.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut config_dir = env::home_dir().unwrap().to_str().unwrap().to_string();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dr`
[INFO] [stdout]    --> src/main.rs:217:51
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn download_from_site(mut config: config::Config, dr: bool) -> std::io::Result<()> {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_dr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/main.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/main.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut ftpstream = config.get_ftpstream();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dr`
[INFO] [stdout]    --> src/main.rs:217:51
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn download_from_site(mut config: config::Config, dr: bool) -> std::io::Result<()> {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_dr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/main.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/main.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut ftpstream = config.get_ftpstream();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:347:57
[INFO] [stdout]     |
[INFO] [stdout] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                                                         ----^^^^^^^^^
[INFO] [stdout]     |                                                         |
[INFO] [stdout]     |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:352:58
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                                                          ----^^^^^^^^^
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:347:57
[INFO] [stdout]     |
[INFO] [stdout] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                                                         ----^^^^^^^^^
[INFO] [stdout]     |                                                         |
[INFO] [stdout]     |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut con: Option<config::Config> = config::Config::new(&mut buff);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:352:58
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                                                          ----^^^^^^^^^
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `download_dir`
[INFO] [stdout]    --> src/main.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fix_name`
[INFO] [stdout]    --> src/main.rs:352:16
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut con: Option<config::Config> = config::Config::new(&mut buff);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `download_dir`
[INFO] [stdout]    --> src/main.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |             fn download_dir(dir: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fix_name`
[INFO] [stdout]    --> src/main.rs:352:16
[INFO] [stdout]     |
[INFO] [stdout] 352 |             fn fix_name(mut file: &config::Downloadable, mut ftpstream: ftp::FtpStream) -> ftp::FtpStream {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         config_raw.read_to_string(&mut buff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         config_raw.read_to_string(&mut buff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "0a34e3af87955e70b94e5377850b2486956fb62d2d97672f96201b57089297e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a34e3af87955e70b94e5377850b2486956fb62d2d97672f96201b57089297e8", kill_on_drop: false }`
[INFO] [stdout] 0a34e3af87955e70b94e5377850b2486956fb62d2d97672f96201b57089297e8