[INFO] crate papyrus 0.6.1 is already in cache
[INFO] extracting crate papyrus 0.6.1 into work/ex/clippy-test-run/sources/stable/reg/papyrus/0.6.1
[INFO] extracting crate papyrus 0.6.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/papyrus/0.6.1
[INFO] validating manifest of papyrus-0.6.1 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 papyrus-0.6.1 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 papyrus-0.6.1
[INFO] finished frobbing papyrus-0.6.1
[INFO] frobbed toml for papyrus-0.6.1 written to work/ex/clippy-test-run/sources/stable/reg/papyrus/0.6.1/Cargo.toml
[INFO] started frobbing papyrus-0.6.1
[INFO] finished frobbing papyrus-0.6.1
[INFO] frobbed toml for papyrus-0.6.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/papyrus/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 papyrus-0.6.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/papyrus/0.6.1:/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] 322ed9c143a61d8b694e34f7eaa1bc396eac3738abded2e42f4546ddc4d5053f
[INFO] running `"docker" "start" "-a" "322ed9c143a61d8b694e34f7eaa1bc396eac3738abded2e42f4546ddc4d5053f"`
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking term_cursor v0.2.1
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking criterion v0.2.9
[INFO] [stderr]     Checking hyper v0.12.23
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]     Checking reqwest v0.9.9
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]     Checking papyrus v0.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/file.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 |             src: src,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/file.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 |             crates: crates,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/input/parse.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 items: items,
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `items`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/input/parse.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 stmts: stmts,
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `stmts`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/input/parse.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 crates: crates,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 |             arg_type: arg_type,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `arg_type`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |             help: help,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `help`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 |             action: action,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `action`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/repl/mod.rs:178:4
[INFO] [stderr]     |
[INFO] [stderr] 178 |             println!("",);
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/repl/mod.rs:326:4
[INFO] [stderr]     |
[INFO] [stderr] 326 |             crates: crates,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/repl/mod.rs:440:3
[INFO] [stderr]     |
[INFO] [stderr] 440 |         crates: crates,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/file.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 |             src: src,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/file.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 |             crates: crates,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/input/parse.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 items: items,
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `items`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/input/parse.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 stmts: stmts,
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `stmts`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/input/parse.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 crates: crates,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 |             arg_type: arg_type,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `arg_type`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |             help: help,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `help`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/repl/command.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 |             action: action,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `action`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/repl/mod.rs:178:4
[INFO] [stderr]     |
[INFO] [stderr] 178 |             println!("",);
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/repl/mod.rs:326:4
[INFO] [stderr]     |
[INFO] [stderr] 326 |             crates: crates,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/repl/mod.rs:440:3
[INFO] [stderr]     |
[INFO] [stderr] 440 |         crates: crates,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `crates`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/repl/mod.rs:473:2
[INFO] [stderr]     |
[INFO] [stderr] 473 |     dir
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/repl/mod.rs:472:12
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let dir = PathBuf::from(format!("{}/.papyrus", dir.to_string_lossy()));
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/lib.rs:114:31
[INFO] [stderr]     |
[INFO] [stderr] 114 | const PAPYRUS_SPLIT_PATTERN: &'static str = "<!papyrus-split>";
[INFO] [stderr]     |                              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/repl/mod.rs:473:2
[INFO] [stderr]     |
[INFO] [stderr] 473 |     dir
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/repl/mod.rs:472:12
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let dir = PathBuf::from(format!("{}/.papyrus", dir.to_string_lossy()));
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/lib.rs:114:31
[INFO] [stderr]     |
[INFO] [stderr] 114 | const PAPYRUS_SPLIT_PATTERN: &'static str = "<!papyrus-split>";
[INFO] [stderr]     |                              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/lib.rs:116:19
[INFO] [stderr]     |
[INFO] [stderr] 116 | const RS_FILES: [&'static str; 2] = ["with-crate.rs", "pwr.rs"];
[INFO] [stderr]     |                  -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/lib.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 | const RSCRIPT_FILES: [&'static str; 7] = [
[INFO] [stderr]     |                       -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/compile.rs:99:6
[INFO] [stderr]     |
[INFO] [stderr] 99  |                   .expect(&format!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 100 | |                     "failed to start the executable {}, which is unlikely.",
[INFO] [stderr] 101 | |                     self.path
[INFO] [stderr] 102 | |                 )),
[INFO] [stderr]     | |__________________^ help: try this: `unwrap_or_else(|_| panic!("failed to start the executable {}, which is unlikely.", self.path))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/file.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 |                       match line
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 78 | |                         .split(" ")
[INFO] [stderr] 79 | |                         .nth(2)
[INFO] [stderr] 80 | |                         .map(|s| s.replace(";", "").replace("_", "-"))
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |                         None => (),
[INFO] [stderr] 87 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     if let Some(s) = line
[INFO] [stderr] 78 |                         .split(" ")
[INFO] [stderr] 79 |                         .nth(2)
[INFO] [stderr] 80 |                         .map(|s| s.replace(";", "").replace("_", "-")) { crates.push(CrateType {
[INFO] [stderr] 81 |     src_line: line,
[INFO] [stderr] 82 |     cargo_name: s,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/file.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |                         .split(" ")
[INFO] [stderr]    |                                ^^^ help: try using a char instead: `' '`
[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/file.rs:108:40
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let line = match string.trim().split("\n").nth(0) {
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/file.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 .split(" ")
[INFO] [stderr]     |                        ^^^ help: try using a char instead: `' '`
[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: the function has a cyclomatic complexity of 34
[INFO] [stderr]    --> src/input/parse.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | / fn parse_expr(expr: Expr) -> Result<String, String> {
[INFO] [stderr] 166 | |     match expr {
[INFO] [stderr] 167 | |         Expr::Box(_) => {
[INFO] [stderr] 168 | |             error!("haven't handled expr variant Box");
[INFO] [stderr] ...   |
[INFO] [stderr] 299 | |     }
[INFO] [stderr] 300 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/input/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |                     if input.stmts.len() > 0 && input.stmts.last().unwrap().semi {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!input.stmts.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/input/mod.rs:134:19
[INFO] [stderr]     |
[INFO] [stderr] 134 |     line.starts_with(".") && !line.starts_with("..")
[INFO] [stderr]     |                      ^^^ help: try using a char instead: `'.'`
[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: you should consider adding a `Default` implementation for `repl::Repl`
[INFO] [stderr]    --> src/repl/mod.rs:60:2
[INFO] [stderr]     |
[INFO] [stderr] 60  |       pub fn new() -> Self {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 61  | |         let mut r = Repl {
[INFO] [stderr] 62  | |             commands: Vec::new(),
[INFO] [stderr] 63  | |             items: Vec::new(),
[INFO] [stderr] ...   |
[INFO] [stderr] 135 | |         r
[INFO] [stderr] 136 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 58  | impl Default for repl::Repl {
[INFO] [stderr] 59  |     fn default() -> Self {
[INFO] [stderr] 60  |         Self::new()
[INFO] [stderr] 61  |     }
[INFO] [stderr] 62  | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/repl/mod.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 output.split("\n").into_iter().for_each(|line| {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `output.split("\n")`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/repl/mod.rs:85:18
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 output.split("\n").into_iter().for_each(|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: single-character string constant used as pattern
[INFO] [stderr]   --> src/repl/mod.rs:89:39
[INFO] [stderr]    |
[INFO] [stderr] 89 |                         let mut line_split = line.split(" ");
[INFO] [stderr]    |                                                         ^^^ help: try using a char instead: `' '`
[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/repl/mod.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |                             line_split.into_iter().collect::<Vec<_>>().join(" ")
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `line_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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/repl/mod.rs:238:3
[INFO] [stderr]     |
[INFO] [stderr] 238 |           match compile_dir().canonicalize() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 239 | |             Ok(d) => {
[INFO] [stderr] 240 | |                 let target_dir = format!("{}/target", d.to_string_lossy());
[INFO] [stderr] 241 | |                 fs::remove_dir_all(target_dir).is_ok();
[INFO] [stderr] 242 | |             }
[INFO] [stderr] 243 | |             _ => (),
[INFO] [stderr] 244 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 238 |         if let Ok(d) = compile_dir().canonicalize() {
[INFO] [stderr] 239 |     let target_dir = format!("{}/target", d.to_string_lossy());
[INFO] [stderr] 240 |     fs::remove_dir_all(target_dir).is_ok();
[INFO] [stderr] 241 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/repl/mod.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |           let crates = self
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 306 | |             .crates
[INFO] [stderr] 307 | |             .iter()
[INFO] [stderr] 308 | |             .chain(additional.crates.iter())
[INFO] [stderr] 309 | |             .map(|x| x.clone())
[INFO] [stderr]     | |_______________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let crates = self
[INFO] [stderr] 306 |             .crates
[INFO] [stderr] 307 |             .iter()
[INFO] [stderr] 308 |             .chain(additional.crates.iter()).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/repl/mod.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     if items.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!items.is_empty()`
[INFO] [stderr]     |
[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/repl/mod.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     if stmts.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!stmts.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/repl/mod.rs:471:12
[INFO] [stderr]     |
[INFO] [stderr] 471 |     let dir = dirs::home_dir().unwrap_or(PathBuf::new());
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `dirs::home_dir().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:133:2
[INFO] [stderr]     |
[INFO] [stderr] 133 |       match file.parent() {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 134 | |         Some(parent) => {
[INFO] [stderr] 135 | |             fs::create_dir_all(parent).context(format!("failed creating directory {:?}", parent))?
[INFO] [stderr] 136 | |         }
[INFO] [stderr] 137 | |         None => (),
[INFO] [stderr] 138 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 133 |     if let Some(parent) = file.parent() {
[INFO] [stderr] 134 |     fs::create_dir_all(parent).context(format!("failed creating directory {:?}", parent))?
[INFO] [stderr] 135 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/compile.rs:99:6
[INFO] [stderr]     |
[INFO] [stderr] 99  |                   .expect(&format!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 100 | |                     "failed to start the executable {}, which is unlikely.",
[INFO] [stderr] 101 | |                     self.path
[INFO] [stderr] 102 | |                 )),
[INFO] [stderr]     | |__________________^ help: try this: `unwrap_or_else(|_| panic!("failed to start the executable {}, which is unlikely.", self.path))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/file.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 |                       match line
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 78 | |                         .split(" ")
[INFO] [stderr] 79 | |                         .nth(2)
[INFO] [stderr] 80 | |                         .map(|s| s.replace(";", "").replace("_", "-"))
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |                         None => (),
[INFO] [stderr] 87 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     if let Some(s) = line
[INFO] [stderr] 78 |                         .split(" ")
[INFO] [stderr] 79 |                         .nth(2)
[INFO] [stderr] 80 |                         .map(|s| s.replace(";", "").replace("_", "-")) { crates.push(CrateType {
[INFO] [stderr] 81 |     src_line: line,
[INFO] [stderr] 82 |     cargo_name: s,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/file.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |                         .split(" ")
[INFO] [stderr]    |                                ^^^ help: try using a char instead: `' '`
[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/file.rs:108:40
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let line = match string.trim().split("\n").nth(0) {
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/file.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 .split(" ")
[INFO] [stderr]     |                        ^^^ help: try using a char instead: `' '`
[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: the function has a cyclomatic complexity of 34
[INFO] [stderr]    --> src/input/parse.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | / fn parse_expr(expr: Expr) -> Result<String, String> {
[INFO] [stderr] 166 | |     match expr {
[INFO] [stderr] 167 | |         Expr::Box(_) => {
[INFO] [stderr] 168 | |             error!("haven't handled expr variant Box");
[INFO] [stderr] ...   |
[INFO] [stderr] 299 | |     }
[INFO] [stderr] 300 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/input/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |                     if input.stmts.len() > 0 && input.stmts.last().unwrap().semi {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!input.stmts.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/input/mod.rs:134:19
[INFO] [stderr]     |
[INFO] [stderr] 134 |     line.starts_with(".") && !line.starts_with("..")
[INFO] [stderr]     |                      ^^^ help: try using a char instead: `'.'`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/repl/tests.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |                     &format!("test/{}", src_file.split(".").nth(0).unwrap()),
[INFO] [stderr]    |                                                        ^^^ help: try using a char instead: `'.'`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/repl/tests.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |                     &format!("test/{}", src_file.split(".").nth(0).unwrap()),
[INFO] [stderr]    |                                                        ^^^ help: try using a char instead: `'.'`
[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: you should consider adding a `Default` implementation for `repl::Repl`
[INFO] [stderr]    --> src/repl/mod.rs:60:2
[INFO] [stderr]     |
[INFO] [stderr] 60  |       pub fn new() -> Self {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 61  | |         let mut r = Repl {
[INFO] [stderr] 62  | |             commands: Vec::new(),
[INFO] [stderr] 63  | |             items: Vec::new(),
[INFO] [stderr] ...   |
[INFO] [stderr] 135 | |         r
[INFO] [stderr] 136 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 58  | impl Default for repl::Repl {
[INFO] [stderr] 59  |     fn default() -> Self {
[INFO] [stderr] 60  |         Self::new()
[INFO] [stderr] 61  |     }
[INFO] [stderr] 62  | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/repl/mod.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 output.split("\n").into_iter().for_each(|line| {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `output.split("\n")`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/repl/mod.rs:85:18
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 output.split("\n").into_iter().for_each(|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: single-character string constant used as pattern
[INFO] [stderr]   --> src/repl/mod.rs:89:39
[INFO] [stderr]    |
[INFO] [stderr] 89 |                         let mut line_split = line.split(" ");
[INFO] [stderr]    |                                                         ^^^ help: try using a char instead: `' '`
[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/repl/mod.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |                             line_split.into_iter().collect::<Vec<_>>().join(" ")
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `line_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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/repl/mod.rs:238:3
[INFO] [stderr]     |
[INFO] [stderr] 238 |           match compile_dir().canonicalize() {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 239 | |             Ok(d) => {
[INFO] [stderr] 240 | |                 let target_dir = format!("{}/target", d.to_string_lossy());
[INFO] [stderr] 241 | |                 fs::remove_dir_all(target_dir).is_ok();
[INFO] [stderr] 242 | |             }
[INFO] [stderr] 243 | |             _ => (),
[INFO] [stderr] 244 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 238 |         if let Ok(d) = compile_dir().canonicalize() {
[INFO] [stderr] 239 |     let target_dir = format!("{}/target", d.to_string_lossy());
[INFO] [stderr] 240 |     fs::remove_dir_all(target_dir).is_ok();
[INFO] [stderr] 241 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/repl/mod.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |           let crates = self
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 306 | |             .crates
[INFO] [stderr] 307 | |             .iter()
[INFO] [stderr] 308 | |             .chain(additional.crates.iter())
[INFO] [stderr] 309 | |             .map(|x| x.clone())
[INFO] [stderr]     | |_______________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let crates = self
[INFO] [stderr] 306 |             .crates
[INFO] [stderr] 307 |             .iter()
[INFO] [stderr] 308 |             .chain(additional.crates.iter()).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/repl/mod.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 |     if items.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!items.is_empty()`
[INFO] [stderr]     |
[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/repl/mod.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     if stmts.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!stmts.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/repl/mod.rs:471:12
[INFO] [stderr]     |
[INFO] [stderr] 471 |     let dir = dirs::home_dir().unwrap_or(PathBuf::new());
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `dirs::home_dir().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/version.rs:68:3
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(_) => panic!("failed to query crates.io"),
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:133:2
[INFO] [stderr]     |
[INFO] [stderr] 133 |       match file.parent() {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 134 | |         Some(parent) => {
[INFO] [stderr] 135 | |             fs::create_dir_all(parent).context(format!("failed creating directory {:?}", parent))?
[INFO] [stderr] 136 | |         }
[INFO] [stderr] 137 | |         None => (),
[INFO] [stderr] 138 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 133 |     if let Some(parent) = file.parent() {
[INFO] [stderr] 134 |     fs::create_dir_all(parent).context(format!("failed creating directory {:?}", parent))?
[INFO] [stderr] 135 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repl`
[INFO] [stderr]  --> tests/file.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let repl = papyrus::Repl::new();
[INFO] [stderr]   |         ^^^^ help: consider using `_repl` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.74s
[INFO] running `"docker" "inspect" "322ed9c143a61d8b694e34f7eaa1bc396eac3738abded2e42f4546ddc4d5053f"`
[INFO] running `"docker" "rm" "-f" "322ed9c143a61d8b694e34f7eaa1bc396eac3738abded2e42f4546ddc4d5053f"`
[INFO] [stdout] 322ed9c143a61d8b694e34f7eaa1bc396eac3738abded2e42f4546ddc4d5053f