[INFO] updating cached repository varkor/metasub
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/varkor/metasub
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/varkor/metasub" "work/ex/clippy-test-run/sources/stable/gh/varkor/metasub"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/varkor/metasub'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/varkor/metasub" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/varkor/metasub"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/varkor/metasub'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 223fb77cb9866a58013d7eb7afab2d2711224d12
[INFO] sha for GitHub repo varkor/metasub: 223fb77cb9866a58013d7eb7afab2d2711224d12
[INFO] validating manifest of varkor/metasub 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 varkor/metasub 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 varkor/metasub
[INFO] finished frobbing varkor/metasub
[INFO] frobbed toml for varkor/metasub written to work/ex/clippy-test-run/sources/stable/gh/varkor/metasub/Cargo.toml
[INFO] started frobbing varkor/metasub
[INFO] finished frobbing varkor/metasub
[INFO] frobbed toml for varkor/metasub written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/varkor/metasub/Cargo.toml
[INFO] crate varkor/metasub 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 varkor/metasub against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/varkor/metasub:/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] 7d5546ec59acace66817d135893a6d0ef88abae31d6db6b145433e30a315f25f
[INFO] running `"docker" "start" "-a" "7d5546ec59acace66817d135893a6d0ef88abae31d6db6b145433e30a315f25f"`
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking metasub v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/term_verifier.rs:284:21
[INFO] [stderr]     |
[INFO] [stderr] 284 |             start = "\x1b[31;1m",
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/term_verifier.rs:284:21
[INFO] [stderr]     |
[INFO] [stderr] 284 |             start = "\x1b[31;1m",
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/term_verifier.rs:285:19
[INFO] [stderr]     |
[INFO] [stderr] 285 |             end = "\x1b[0m")
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/term_verifier.rs:285:19
[INFO] [stderr]     |
[INFO] [stderr] 285 |             end = "\x1b[0m")
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/term_verifier.rs:264:52
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let (prehint, posthint): (&str, &str) = if spaces >= hint.len() + 1 {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let (prehint, posthint): (&str, &str) = if spaces > hint.len() {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this looks like an `else if` but the `else` is missing
[INFO] [stderr]    --> src/term_verifier.rs:571:18
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 } if let Ok(var) = self.eat_var() {
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::suspicious_else_formatting)] on by default
[INFO] [stderr]     = note: to remove this lint, add the missing `else` or add a new line before the second `if`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_else_formatting
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/term_verifier.rs:264:52
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let (prehint, posthint): (&str, &str) = if spaces >= hint.len() + 1 {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let (prehint, posthint): (&str, &str) = if spaces > hint.len() {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this looks like an `else if` but the `else` is missing
[INFO] [stderr]    --> src/term_verifier.rs:571:18
[INFO] [stderr]     |
[INFO] [stderr] 571 |                 } if let Ok(var) = self.eat_var() {
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::suspicious_else_formatting)] on by default
[INFO] [stderr]     = note: to remove this lint, add the missing `else` or add a new line before the second `if`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_else_formatting
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/term_verifier.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn escape_name(name: &String) -> String {
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn escape_name(name: &str) -> String {
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr] help: change `name.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 79 |         name.to_string()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/term_verifier.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn escape_name(name: &String) -> String {
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn escape_name(name: &str) -> String {
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr] help: change `name.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 79 |         name.to_string()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/term_verifier.rs:143:24
[INFO] [stderr]     |
[INFO] [stderr] 143 |           let required = format!("\
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 144 | |             Require Import UniMath.Foundations.PartD.\
[INFO] [stderr] 145 | |         ");
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] help: consider using .to_string()
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let required = "\
[INFO] [stderr] 144 |             Require Import UniMath.Foundations.PartD.\
[INFO] [stderr] 145 |         ".to_string();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/term_verifier.rs:143:24
[INFO] [stderr]     |
[INFO] [stderr] 143 |           let required = format!("\
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 144 | |             Require Import UniMath.Foundations.PartD.\
[INFO] [stderr] 145 | |         ");
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] help: consider using .to_string()
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let required = "\
[INFO] [stderr] 144 |             Require Import UniMath.Foundations.PartD.\
[INFO] [stderr] 145 |         ".to_string();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/term_verifier.rs:470:23
[INFO] [stderr]     |
[INFO] [stderr] 470 |             return if vars.len() > 0 {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!vars.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/term_verifier.rs:470:23
[INFO] [stderr]     |
[INFO] [stderr] 470 |             return if vars.len() > 0 {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!vars.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/term_verifier.rs:566:20
[INFO] [stderr]     |
[INFO] [stderr] 566 |               if let Err(_) = eat_arrow {
[INFO] [stderr]     |  _____________-      ^^^^^^
[INFO] [stderr] 567 | |                 if Regex::new(&format!("^>")).unwrap().is_match(&self.s) ||
[INFO] [stderr] 568 | |                    Regex::new(&format!("^-")).unwrap().is_match(&self.s) {
[INFO] [stderr] 569 | |                     Err::<(), ParseError>(self.error_hint("you probably meant `->`"))
[INFO] [stderr] ...   |
[INFO] [stderr] 583 | |                 }
[INFO] [stderr] 584 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if eat_arrow.is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/term_verifier.rs:567:32
[INFO] [stderr]     |
[INFO] [stderr] 567 |                 if Regex::new(&format!("^>")).unwrap().is_match(&self.s) ||
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: consider using .to_string(): `"^>".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/term_verifier.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |                    Regex::new(&format!("^-")).unwrap().is_match(&self.s) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: consider using .to_string(): `"^-".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/term_verifier.rs:566:20
[INFO] [stderr]     |
[INFO] [stderr] 566 |               if let Err(_) = eat_arrow {
[INFO] [stderr]     |  _____________-      ^^^^^^
[INFO] [stderr] 567 | |                 if Regex::new(&format!("^>")).unwrap().is_match(&self.s) ||
[INFO] [stderr] 568 | |                    Regex::new(&format!("^-")).unwrap().is_match(&self.s) {
[INFO] [stderr] 569 | |                     Err::<(), ParseError>(self.error_hint("you probably meant `->`"))
[INFO] [stderr] ...   |
[INFO] [stderr] 583 | |                 }
[INFO] [stderr] 584 | |             }
[INFO] [stderr]     | |_____________- help: try this: `if eat_arrow.is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/term_verifier.rs:567:32
[INFO] [stderr]     |
[INFO] [stderr] 567 |                 if Regex::new(&format!("^>")).unwrap().is_match(&self.s) ||
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: consider using .to_string(): `"^>".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/term_verifier.rs:568:32
[INFO] [stderr]     |
[INFO] [stderr] 568 |                    Regex::new(&format!("^-")).unwrap().is_match(&self.s) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: consider using .to_string(): `"^-".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/term_verifier.rs:609:5
[INFO] [stderr]     |
[INFO] [stderr] 609 | /     let mut terms: Vec<String> = vec![];
[INFO] [stderr] 610 | |     if !interactive {
[INFO] [stderr] 611 | |         // Load terms from a file.
[INFO] [stderr] 612 | |         let mut f = File::open(filename).expect("the file could not be found");
[INFO] [stderr] ...   |
[INFO] [stderr] 623 | |         }).collect();
[INFO] [stderr] 624 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] help: it is more idiomatic to write
[INFO] [stderr]     |
[INFO] [stderr] 609 |     let <mut> terms = if !interactive { ..; lines.filter_map(|s| {
[INFO] [stderr] 610 |             let s = s.trim();
[INFO] [stderr] 611 |             if s.is_empty() || re_comment.is_match(s) {
[INFO] [stderr] 612 |                 return None;
[INFO] [stderr] 613 |             }
[INFO] [stderr] 614 |             Some(s.to_string())
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/term_verifier.rs:615:36
[INFO] [stderr]     |
[INFO] [stderr] 615 |         let lines = contents.split("\n");
[INFO] [stderr]     |                                    ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/term_verifier.rs:609:5
[INFO] [stderr]     |
[INFO] [stderr] 609 | /     let mut terms: Vec<String> = vec![];
[INFO] [stderr] 610 | |     if !interactive {
[INFO] [stderr] 611 | |         // Load terms from a file.
[INFO] [stderr] 612 | |         let mut f = File::open(filename).expect("the file could not be found");
[INFO] [stderr] ...   |
[INFO] [stderr] 623 | |         }).collect();
[INFO] [stderr] 624 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] help: it is more idiomatic to write
[INFO] [stderr]     |
[INFO] [stderr] 609 |     let <mut> terms = if !interactive { ..; lines.filter_map(|s| {
[INFO] [stderr] 610 |             let s = s.trim();
[INFO] [stderr] 611 |             if s.is_empty() || re_comment.is_match(s) {
[INFO] [stderr] 612 |                 return None;
[INFO] [stderr] 613 |             }
[INFO] [stderr] 614 |             Some(s.to_string())
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/term_verifier.rs:615:36
[INFO] [stderr]     |
[INFO] [stderr] 615 |         let lines = contents.split("\n");
[INFO] [stderr]     |                                    ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let lines = contents.split("\n");
[INFO] [stderr]    |                                ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let comps: Vec<_> = s.split(": ").into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.split(": ")`
[INFO] [stderr]    |
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let lines = contents.split("\n");
[INFO] [stderr]    |                                ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let comps: Vec<_> = s.split(": ").into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.split(": ")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:58:33
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let comps: Vec<_> = s.split(": ").into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.split(": ")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 | /             if gen_vars.is_none() {
[INFO] [stderr] 68 | |                 let capt = re_varset.captures_iter(s).next().unwrap()[1].to_string();
[INFO] [stderr] 69 | |                 let vars: Vec<String> = capt.split(", ").filter_map(|v| {
[INFO] [stderr] 70 | |                     if !v.is_empty() {
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |                 panic!("declared V twice");
[INFO] [stderr] 80 | |             }
[INFO] [stderr]    | |_____________^ help: replace_it_with: `gen_vars?;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let output = template.split("\n").filter_map(|line| {
[INFO] [stderr]     |                                 ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:110:31
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let matches: Vec<_> = re_cmd.captures_iter(line).into_iter().collect();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `re_cmd.captures_iter(line)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let comps: Vec<_> = s.split(": ").into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.split(": ")`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let comps: Vec<_> = s.split(": ").into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.split(": ")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:58:33
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let comps: Vec<_> = s.split(": ").into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.split(": ")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 | /             if gen_vars.is_none() {
[INFO] [stderr] 68 | |                 let capt = re_varset.captures_iter(s).next().unwrap()[1].to_string();
[INFO] [stderr] 69 | |                 let vars: Vec<String> = capt.split(", ").filter_map(|v| {
[INFO] [stderr] 70 | |                     if !v.is_empty() {
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |                 panic!("declared V twice");
[INFO] [stderr] 80 | |             }
[INFO] [stderr]    | |_____________^ help: replace_it_with: `gen_vars?;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let output = template.split("\n").filter_map(|line| {
[INFO] [stderr]     |                                 ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:110:31
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let matches: Vec<_> = re_cmd.captures_iter(line).into_iter().collect();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `re_cmd.captures_iter(line)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "7d5546ec59acace66817d135893a6d0ef88abae31d6db6b145433e30a315f25f"`
[INFO] running `"docker" "rm" "-f" "7d5546ec59acace66817d135893a6d0ef88abae31d6db6b145433e30a315f25f"`
[INFO] [stdout] 7d5546ec59acace66817d135893a6d0ef88abae31d6db6b145433e30a315f25f