[INFO] crate cargo-navigate 0.1.1 is already in cache
[INFO] extracting crate cargo-navigate 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/cargo-navigate/0.1.1
[INFO] extracting crate cargo-navigate 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cargo-navigate/0.1.1
[INFO] validating manifest of cargo-navigate-0.1.1 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 cargo-navigate-0.1.1 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 cargo-navigate-0.1.1
[INFO] finished frobbing cargo-navigate-0.1.1
[INFO] frobbed toml for cargo-navigate-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/cargo-navigate/0.1.1/Cargo.toml
[INFO] started frobbing cargo-navigate-0.1.1
[INFO] finished frobbing cargo-navigate-0.1.1
[INFO] frobbed toml for cargo-navigate-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cargo-navigate/0.1.1/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 cargo-navigate-0.1.1 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/reg/cargo-navigate/0.1.1:/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] 68d337f805f7807cc6d8b647fce5f7bb91286fafa05aaf7aaf5d22d68a3a2bc1
[INFO] running `"docker" "start" "-a" "68d337f805f7807cc6d8b647fce5f7bb91286fafa05aaf7aaf5d22d68a3a2bc1"`
[INFO] [stderr]     Checking cargo-navigate v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/home.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/main.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/home.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/repo.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/repo.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/main.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Repository`
[INFO] [stderr]   --> src/urls.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Repository,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_command`
[INFO] [stderr]   --> src/urls.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn from_command<S: AsRef<str>>(s: S) -> Option<UrlType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/urls.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn field(&self) -> &'static str {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Homepage`
[INFO] [stderr]   --> src/urls.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Homepage,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_command`
[INFO] [stderr]   --> src/urls.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn from_command<S: AsRef<str>>(s: S) -> Option<UrlType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/urls.rs:113:31
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut cargo_toml_file = PathBuf::from(cdir);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cdir`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/urls.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn field(&self) -> &'static str {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/urls.rs:113:31
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut cargo_toml_file = PathBuf::from(cdir);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cdir`
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/repo.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     run(args.subcommand_matches("repo").unwrap())
[INFO] [stderr] 36 | |         .err()
[INFO] [stderr] 37 | |         .map(|e| {
[INFO] [stderr] 38 | |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr] 39 | |             std::process::exit(101);
[INFO] [stderr] 40 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Some(e) = run(args.subcommand_matches("repo").unwrap())
[INFO] [stderr] 36 |         .err() { ... }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `write!(stderr(), ...).unwrap()`. Consider using `eprint!` instead
[INFO] [stderr]   --> src/repo.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/home.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     run(args.subcommand_matches("home").unwrap())
[INFO] [stderr] 36 | |         .err()
[INFO] [stderr] 37 | |         .map(|e| {
[INFO] [stderr] 38 | |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr] 39 | |             std::process::exit(101);
[INFO] [stderr] 40 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Some(e) = run(args.subcommand_matches("home").unwrap())
[INFO] [stderr] 36 |         .err() { ... }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `write!(stderr(), ...).unwrap()`. Consider using `eprint!` instead
[INFO] [stderr]   --> src/home.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Repository`
[INFO] [stderr]   --> src/urls.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Repository,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_command`
[INFO] [stderr]   --> src/urls.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn from_command<S: AsRef<str>>(s: S) -> Option<UrlType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/urls.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn field(&self) -> &'static str {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/urls.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn field(&self) -> &'static str {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/urls.rs:113:31
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut cargo_toml_file = PathBuf::from(cdir);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cdir`
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     run(args.subcommand_matches("navigate").unwrap())
[INFO] [stderr] 44 | |         .err()
[INFO] [stderr] 45 | |         .map(|e| {
[INFO] [stderr] 46 | |                  write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr] 47 | |                  std::process::exit(101);
[INFO] [stderr] 48 | |              });
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 |     if let Some(e) = run(args.subcommand_matches("navigate").unwrap())
[INFO] [stderr] 44 |         .err() { ... }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `write!(stderr(), ...).unwrap()`. Consider using `eprint!` instead
[INFO] [stderr]   --> src/main.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/urls.rs:113:31
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut cargo_toml_file = PathBuf::from(cdir);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cdir`
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/home.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     run(args.subcommand_matches("home").unwrap())
[INFO] [stderr] 36 | |         .err()
[INFO] [stderr] 37 | |         .map(|e| {
[INFO] [stderr] 38 | |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr] 39 | |             std::process::exit(101);
[INFO] [stderr] 40 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Some(e) = run(args.subcommand_matches("home").unwrap())
[INFO] [stderr] 36 |         .err() { ... }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `write!(stderr(), ...).unwrap()`. Consider using `eprint!` instead
[INFO] [stderr]   --> src/home.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Homepage`
[INFO] [stderr]   --> src/urls.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Homepage,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_command`
[INFO] [stderr]   --> src/urls.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn from_command<S: AsRef<str>>(s: S) -> Option<UrlType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/urls.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn field(&self) -> &'static str {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/urls.rs:113:31
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut cargo_toml_file = PathBuf::from(cdir);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cdir`
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/repo.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     run(args.subcommand_matches("repo").unwrap())
[INFO] [stderr] 36 | |         .err()
[INFO] [stderr] 37 | |         .map(|e| {
[INFO] [stderr] 38 | |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr] 39 | |             std::process::exit(101);
[INFO] [stderr] 40 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Some(e) = run(args.subcommand_matches("repo").unwrap())
[INFO] [stderr] 36 |         .err() { ... }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `write!(stderr(), ...).unwrap()`. Consider using `eprint!` instead
[INFO] [stderr]   --> src/repo.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/urls.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn field(&self) -> &'static str {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/urls.rs:113:31
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut cargo_toml_file = PathBuf::from(cdir);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cdir`
[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: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | /     run(args.subcommand_matches("navigate").unwrap())
[INFO] [stderr] 44 | |         .err()
[INFO] [stderr] 45 | |         .map(|e| {
[INFO] [stderr] 46 | |                  write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr] 47 | |                  std::process::exit(101);
[INFO] [stderr] 48 | |              });
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 |     if let Some(e) = run(args.subcommand_matches("navigate").unwrap())
[INFO] [stderr] 44 |         .err() { ... }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `write!(stderr(), ...).unwrap()`. Consider using `eprint!` instead
[INFO] [stderr]   --> src/main.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  write!(stderr(), "{}\n", e.to_string()).unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.57s
[INFO] running `"docker" "inspect" "68d337f805f7807cc6d8b647fce5f7bb91286fafa05aaf7aaf5d22d68a3a2bc1"`
[INFO] running `"docker" "rm" "-f" "68d337f805f7807cc6d8b647fce5f7bb91286fafa05aaf7aaf5d22d68a3a2bc1"`
[INFO] [stdout] 68d337f805f7807cc6d8b647fce5f7bb91286fafa05aaf7aaf5d22d68a3a2bc1