[INFO] updating cached repository itkubsa1/bprocess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/itkubsa1/bprocess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/itkubsa1/bprocess" "work/ex/clippy-test-run/sources/stable/gh/itkubsa1/bprocess"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/itkubsa1/bprocess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/itkubsa1/bprocess" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/itkubsa1/bprocess"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/itkubsa1/bprocess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1eccca0dca08a2804be13e2ecdfa0e5a3dcb48d
[INFO] sha for GitHub repo itkubsa1/bprocess: c1eccca0dca08a2804be13e2ecdfa0e5a3dcb48d
[INFO] validating manifest of itkubsa1/bprocess on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of itkubsa1/bprocess on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing itkubsa1/bprocess
[INFO] finished frobbing itkubsa1/bprocess
[INFO] frobbed toml for itkubsa1/bprocess written to work/ex/clippy-test-run/sources/stable/gh/itkubsa1/bprocess/Cargo.toml
[INFO] started frobbing itkubsa1/bprocess
[INFO] finished frobbing itkubsa1/bprocess
[INFO] frobbed toml for itkubsa1/bprocess written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/itkubsa1/bprocess/Cargo.toml
[INFO] crate itkubsa1/bprocess has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting itkubsa1/bprocess against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/itkubsa1/bprocess:/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=forbid" "-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6a777077ac195712b39602da898cb7d1007638974faf27d62617bcb9c515f68c
[INFO] running `"docker" "start" "-a" "6a777077ac195712b39602da898cb7d1007638974faf27d62617bcb9c515f68c"`
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking Rust-firststeps v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Ok(n) => return (n.as_secs() / SECS_IN_DAY) as u64,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(n.as_secs() / SECS_IN_DAY) as u64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     return result;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Ok(n) => return (n.as_secs() / SECS_IN_DAY) as u64,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(n.as_secs() / SECS_IN_DAY) as u64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     return result;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let parsed = match arg.parse::<u64>() {
[INFO] [stderr]     |         ^^^^^^ help: consider using `_parsed` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         Ok(n) => return Ok(()),
[INFO] [stderr]     |            ^ help: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `wfilepath` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:340:13
[INFO] [stderr]     |
[INFO] [stderr] 340 |     let mut wfilepath: String = "".to_string();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_wfilepath` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wfilepath` is never read
[INFO] [stderr]    --> src/main.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         wfilepath = value.clone().to_string();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_firststeps` should have a snake case name such as `rust_firststeps`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         Err(_) => panic!("Err: Cant calculate age of file. Aborting!"),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: this `.filter_map` can be written more simply using `.filter`
[INFO] [stderr]    --> src/main.rs:92:5
[INFO] [stderr]     |
[INFO] [stderr] 92  | /     path.filter_map(Result::ok)
[INFO] [stderr] 93  | |         .filter_map(|e| {
[INFO] [stderr] 94  | |             if e.path()
[INFO] [stderr] 95  | |                 .metadata()
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |             }
[INFO] [stderr] 104 | |         })
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_filter_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_filter_map
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let parsed =`
[INFO] [stderr]    --> src/main.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 | /     let parsed = match arg.parse::<u64>() {
[INFO] [stderr] 133 | |         Ok(n) => return Ok(()),
[INFO] [stderr] 134 | |         Err(_) => return Err(String::from("Invalid value for days in month")),
[INFO] [stderr] 135 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("", "_month", "_week").iter().min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:252:25
[INFO] [stderr]     |
[INFO] [stderr] 252 |     for (key, value) in iterate_dir("", "_month", "_week").iter().min() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("", "_month", "_week").iter().min()` with `if let Some((key, value)) = iterate_dir("", "_month", "_week").iter().min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]         .iter()
[INFO] [stderr]         .min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |       for (key, value) in iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 273 | |         .iter()
[INFO] [stderr] 274 | |         .min()
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()` with `if let Some((key, value)) = iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]         .iter()
[INFO] [stderr]         .min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |       for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 288 | |         .iter()
[INFO] [stderr] 289 | |         .min()
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()` with `if let Some((key, value)) = iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("", "_month", "_week").iter().min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:329:25
[INFO] [stderr]     |
[INFO] [stderr] 329 |     for (key, value) in iterate_dir("", "_month", "_week").iter().min() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("", "_month", "_week").iter().min()` with `if let Some((key, value)) = iterate_dir("", "_month", "_week").iter().min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]         .iter()
[INFO] [stderr]         .min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:342:25
[INFO] [stderr]     |
[INFO] [stderr] 342 |       for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 343 | |         .iter()
[INFO] [stderr] 344 | |         .min()
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()` with `if let Some((key, value)) = iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `Rust-firststeps`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let parsed = match arg.parse::<u64>() {
[INFO] [stderr]     |         ^^^^^^ help: consider using `_parsed` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         Ok(n) => return Ok(()),
[INFO] [stderr]     |            ^ help: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `wfilepath` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:340:13
[INFO] [stderr]     |
[INFO] [stderr] 340 |     let mut wfilepath: String = "".to_string();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_wfilepath` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wfilepath` is never read
[INFO] [stderr]    --> src/main.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         wfilepath = value.clone().to_string();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_firststeps` should have a snake case name such as `rust_firststeps`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         Err(_) => panic!("Err: Cant calculate age of file. Aborting!"),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: this `.filter_map` can be written more simply using `.filter`
[INFO] [stderr]    --> src/main.rs:92:5
[INFO] [stderr]     |
[INFO] [stderr] 92  | /     path.filter_map(Result::ok)
[INFO] [stderr] 93  | |         .filter_map(|e| {
[INFO] [stderr] 94  | |             if e.path()
[INFO] [stderr] 95  | |                 .metadata()
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |             }
[INFO] [stderr] 104 | |         })
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_filter_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_filter_map
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let parsed =`
[INFO] [stderr]    --> src/main.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 | /     let parsed = match arg.parse::<u64>() {
[INFO] [stderr] 133 | |         Ok(n) => return Ok(()),
[INFO] [stderr] 134 | |         Err(_) => return Err(String::from("Invalid value for days in month")),
[INFO] [stderr] 135 | |     };
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("", "_month", "_week").iter().min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:252:25
[INFO] [stderr]     |
[INFO] [stderr] 252 |     for (key, value) in iterate_dir("", "_month", "_week").iter().min() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("", "_month", "_week").iter().min()` with `if let Some((key, value)) = iterate_dir("", "_month", "_week").iter().min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]         .iter()
[INFO] [stderr]         .min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |       for (key, value) in iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 273 | |         .iter()
[INFO] [stderr] 274 | |         .min()
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()` with `if let Some((key, value)) = iterate_dir("_month", "_week", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]         .iter()
[INFO] [stderr]         .min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |       for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 288 | |         .iter()
[INFO] [stderr] 289 | |         .min()
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()` with `if let Some((key, value)) = iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("", "_month", "_week").iter().min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:329:25
[INFO] [stderr]     |
[INFO] [stderr] 329 |     for (key, value) in iterate_dir("", "_month", "_week").iter().min() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("", "_month", "_week").iter().min()` with `if let Some((key, value)) = iterate_dir("", "_month", "_week").iter().min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]         .iter()
[INFO] [stderr]         .min()`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/main.rs:342:25
[INFO] [stderr]     |
[INFO] [stderr] 342 |       for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 343 | |         .iter()
[INFO] [stderr] 344 | |         .min()
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for (key, value) in iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()` with `if let Some((key, value)) = iterate_dir("_week", "_month", "$dummy$_$that$_$never$_$can$_$be$_$mEt$")
[INFO] [stderr]                     .iter()
[INFO] [stderr]                     .min()`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `Rust-firststeps`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6a777077ac195712b39602da898cb7d1007638974faf27d62617bcb9c515f68c"`
[INFO] running `"docker" "rm" "-f" "6a777077ac195712b39602da898cb7d1007638974faf27d62617bcb9c515f68c"`
[INFO] [stdout] 6a777077ac195712b39602da898cb7d1007638974faf27d62617bcb9c515f68c