[INFO] crate google-webfonts1 1.0.8+20160302 is already in cache [INFO] extracting crate google-webfonts1 1.0.8+20160302 into work/ex/clippy-test-run/sources/stable/reg/google-webfonts1/1.0.8+20160302 [INFO] extracting crate google-webfonts1 1.0.8+20160302 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-webfonts1/1.0.8+20160302 [INFO] validating manifest of google-webfonts1-1.0.8+20160302 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 google-webfonts1-1.0.8+20160302 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 google-webfonts1-1.0.8+20160302 [INFO] finished frobbing google-webfonts1-1.0.8+20160302 [INFO] frobbed toml for google-webfonts1-1.0.8+20160302 written to work/ex/clippy-test-run/sources/stable/reg/google-webfonts1/1.0.8+20160302/Cargo.toml [INFO] started frobbing google-webfonts1-1.0.8+20160302 [INFO] finished frobbing google-webfonts1-1.0.8+20160302 [INFO] frobbed toml for google-webfonts1-1.0.8+20160302 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-webfonts1/1.0.8+20160302/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 google-webfonts1-1.0.8+20160302 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/google-webfonts1/1.0.8+20160302:/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] 79824a3d0f3de93ee974bb4c5917facd762e981f2b3d426fd451500765485b1c [INFO] running `"docker" "start" "-a" "79824a3d0f3de93ee974bb4c5917facd762e981f2b3d426fd451500765485b1c"` [INFO] [stderr] Checking google-webfonts1 v1.0.8+20160302 (/opt/crater/workdir) [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/cmn.rs:360:18 [INFO] [stderr] | [INFO] [stderr] 360 | const BOUNDARY: &'static str = "MDuXWGyeE33QFXGchb2VFWc4Z7945d"; [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/cmn.rs:594:32 [INFO] [stderr] | [INFO] [stderr] 594 | const PREFIX: &'static str = "bytes "; [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/cmn.rs:360:18 [INFO] [stderr] | [INFO] [stderr] 360 | const BOUNDARY: &'static str = "MDuXWGyeE33QFXGchb2VFWc4Z7945d"; [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/cmn.rs:594:32 [INFO] [stderr] | [INFO] [stderr] 594 | const PREFIX: &'static str = "bytes "; [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: you don't need to add `&` to both the expression and the patterns [INFO] [stderr] --> src/cmn.rs:312:45 [INFO] [stderr] | [INFO] [stderr] 312 | / match &err.location { [INFO] [stderr] 313 | | &Some(ref loc) => format!("@{}", loc), [INFO] [stderr] 314 | | &None => String::new(), [INFO] [stderr] 315 | | })); [INFO] [stderr] | |_____________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_ref_pats)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 312 | match err.location { [INFO] [stderr] 313 | Some(ref loc) => format!("@{}", loc), [INFO] [stderr] 314 | None => String::new(), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/cmn.rs:411:9 [INFO] [stderr] | [INFO] [stderr] 411 | self.raw_parts.len() == 0 && self.current_part.is_none() && self.last_part_boundary.is_none() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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/cmn.rs:416:9 [INFO] [stderr] | [INFO] [stderr] 416 | self.raw_parts.len() == 0 && self.current_part.is_some() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/cmn.rs:492:5 [INFO] [stderr] | [INFO] [stderr] 492 | fn deref<'a>(&'a self) -> &'a Mime { &self.0 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/cmn.rs:495:5 [INFO] [stderr] | [INFO] [stderr] 495 | fn deref_mut<'a>(&'a mut self) -> &'a mut Mime { &mut self.0 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/cmn.rs:591:12 [INFO] [stderr] | [INFO] [stderr] 591 | if raw.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!raw.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/cmn.rs:735:5 [INFO] [stderr] | [INFO] [stderr] 735 | / match *value { [INFO] [stderr] 736 | | json::value::Value::Object(ref mut map) => { [INFO] [stderr] 737 | | let mut for_removal = Vec::new(); [INFO] [stderr] 738 | | [INFO] [stderr] ... | [INFO] [stderr] 751 | | _ => {} [INFO] [stderr] 752 | | } [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] 735 | if let json::value::Value::Object(ref mut map) = *value { [INFO] [stderr] 736 | let mut for_removal = Vec::new(); [INFO] [stderr] 737 | [INFO] [stderr] 738 | for (key, mut value) in map.iter_mut() { [INFO] [stderr] 739 | if value.is_null() { [INFO] [stderr] 740 | for_removal.push(key.clone()); [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns [INFO] [stderr] --> src/cmn.rs:312:45 [INFO] [stderr] | [INFO] [stderr] 312 | / match &err.location { [INFO] [stderr] 313 | | &Some(ref loc) => format!("@{}", loc), [INFO] [stderr] 314 | | &None => String::new(), [INFO] [stderr] 315 | | })); [INFO] [stderr] | |_____________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_ref_pats)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 312 | match err.location { [INFO] [stderr] 313 | Some(ref loc) => format!("@{}", loc), [INFO] [stderr] 314 | None => String::new(), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/cmn.rs:411:9 [INFO] [stderr] | [INFO] [stderr] 411 | self.raw_parts.len() == 0 && self.current_part.is_none() && self.last_part_boundary.is_none() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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/cmn.rs:416:9 [INFO] [stderr] | [INFO] [stderr] 416 | self.raw_parts.len() == 0 && self.current_part.is_some() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.raw_parts.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/lib.rs:547:12 [INFO] [stderr] | [INFO] [stderr] 547 | if params.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/cmn.rs:492:5 [INFO] [stderr] | [INFO] [stderr] 492 | fn deref<'a>(&'a self) -> &'a Mime { &self.0 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/cmn.rs:495:5 [INFO] [stderr] | [INFO] [stderr] 495 | fn deref_mut<'a>(&'a mut self) -> &'a mut Mime { &mut self.0 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/cmn.rs:591:12 [INFO] [stderr] | [INFO] [stderr] 591 | if raw.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!raw.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/cmn.rs:735:5 [INFO] [stderr] | [INFO] [stderr] 735 | / match *value { [INFO] [stderr] 736 | | json::value::Value::Object(ref mut map) => { [INFO] [stderr] 737 | | let mut for_removal = Vec::new(); [INFO] [stderr] 738 | | [INFO] [stderr] ... | [INFO] [stderr] 751 | | _ => {} [INFO] [stderr] 752 | | } [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] 735 | if let json::value::Value::Object(ref mut map) = *value { [INFO] [stderr] 736 | let mut for_removal = Vec::new(); [INFO] [stderr] 737 | [INFO] [stderr] 738 | for (key, mut value) in map.iter_mut() { [INFO] [stderr] 739 | if value.is_null() { [INFO] [stderr] 740 | for_removal.push(key.clone()); [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/lib.rs:547:12 [INFO] [stderr] | [INFO] [stderr] 547 | if params.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!params.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] Finished dev [unoptimized + debuginfo] target(s) in 5.85s [INFO] running `"docker" "inspect" "79824a3d0f3de93ee974bb4c5917facd762e981f2b3d426fd451500765485b1c"` [INFO] running `"docker" "rm" "-f" "79824a3d0f3de93ee974bb4c5917facd762e981f2b3d426fd451500765485b1c"` [INFO] [stdout] 79824a3d0f3de93ee974bb4c5917facd762e981f2b3d426fd451500765485b1c