[INFO] crate serde_fs 0.2.0 is already in cache
[INFO] extracting crate serde_fs 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/serde_fs/0.2.0
[INFO] extracting crate serde_fs 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/serde_fs/0.2.0
[INFO] validating manifest of serde_fs-0.2.0 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 serde_fs-0.2.0 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 serde_fs-0.2.0
[INFO] finished frobbing serde_fs-0.2.0
[INFO] frobbed toml for serde_fs-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/serde_fs/0.2.0/Cargo.toml
[INFO] started frobbing serde_fs-0.2.0
[INFO] finished frobbing serde_fs-0.2.0
[INFO] frobbed toml for serde_fs-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/serde_fs/0.2.0/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 serde_fs-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/serde_fs/0.2.0:/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] 558736a3d8a40cd79935191b4b915c16e8be59837b63ff7c9c39f58129eced09
[INFO] running `"docker" "start" "-a" "558736a3d8a40cd79935191b4b915c16e8be59837b63ff7c9c39f58129eced09"`
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking serde_fs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/de.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 266 | |             if self.len.is_some() && self.len.clone().unwrap() != self.counter {
[INFO] [stderr] 267 | |                 Err(Error::InvalidLen {
[INFO] [stderr] 268 | |                     expected: self.len.clone().unwrap(),
[INFO] [stderr] ...   |
[INFO] [stderr] 273 | |             }
[INFO] [stderr] 274 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 265 |         } else if self.len.is_some() && self.len.clone().unwrap() != self.counter {
[INFO] [stderr] 266 |     Err(Error::InvalidLen {
[INFO] [stderr] 267 |         expected: self.len.clone().unwrap(),
[INFO] [stderr] 268 |         got: self.counter,
[INFO] [stderr] 269 |     })
[INFO] [stderr] 270 | } else {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/ser.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |                   if let Ok(_) = file.file_name().to_str().unwrap().parse::<usize>() {
[INFO] [stderr]    |  _________________-      ^^^^^
[INFO] [stderr] 49 | |                     fs::remove_file(file.path())?;
[INFO] [stderr] 50 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if file.file_name().to_str().unwrap().parse::<usize>().is_ok()`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/ser.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     file.write(content.as_ref())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/de.rs:215:64
[INFO] [stderr]     |
[INFO] [stderr] 215 |         visitor.visit_map(MapAccess::new_for(self.path, fields.into_iter().map(|f| Ok(String::from(*f))))?)
[INFO] [stderr]     |                                                                ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]    --> src/de.rs:227:15
[INFO] [stderr]     |
[INFO] [stderr] 227 |            if available_variant == &&variant {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^---------
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: use the right value directly: `&variant`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/de.rs:266:38
[INFO] [stderr]     |
[INFO] [stderr] 266 |             if self.len.is_some() && self.len.clone().unwrap() != self.counter {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/de.rs:268:31
[INFO] [stderr]     |
[INFO] [stderr] 268 |                     expected: self.len.clone().unwrap(),
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.len`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `serde_fs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/de.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 266 | |             if self.len.is_some() && self.len.clone().unwrap() != self.counter {
[INFO] [stderr] 267 | |                 Err(Error::InvalidLen {
[INFO] [stderr] 268 | |                     expected: self.len.clone().unwrap(),
[INFO] [stderr] ...   |
[INFO] [stderr] 273 | |             }
[INFO] [stderr] 274 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 265 |         } else if self.len.is_some() && self.len.clone().unwrap() != self.counter {
[INFO] [stderr] 266 |     Err(Error::InvalidLen {
[INFO] [stderr] 267 |         expected: self.len.clone().unwrap(),
[INFO] [stderr] 268 |         got: self.counter,
[INFO] [stderr] 269 |     })
[INFO] [stderr] 270 | } else {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/ser.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |                   if let Ok(_) = file.file_name().to_str().unwrap().parse::<usize>() {
[INFO] [stderr]    |  _________________-      ^^^^^
[INFO] [stderr] 49 | |                     fs::remove_file(file.path())?;
[INFO] [stderr] 50 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if file.file_name().to_str().unwrap().parse::<usize>().is_ok()`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/ser.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     file.write(content.as_ref())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/de.rs:215:64
[INFO] [stderr]     |
[INFO] [stderr] 215 |         visitor.visit_map(MapAccess::new_for(self.path, fields.into_iter().map(|f| Ok(String::from(*f))))?)
[INFO] [stderr]     |                                                                ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]    --> src/de.rs:227:15
[INFO] [stderr]     |
[INFO] [stderr] 227 |            if available_variant == &&variant {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^---------
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: use the right value directly: `&variant`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/de.rs:266:38
[INFO] [stderr]     |
[INFO] [stderr] 266 |             if self.len.is_some() && self.len.clone().unwrap() != self.counter {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/de.rs:268:31
[INFO] [stderr]     |
[INFO] [stderr] 268 |                     expected: self.len.clone().unwrap(),
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.len`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/de.rs:438:9
[INFO] [stderr]     |
[INFO] [stderr] 438 |         assert_eq!(f32::deserialize(deserializer.clone()).unwrap(), 1.3);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/de.rs:438:9
[INFO] [stderr]     |
[INFO] [stderr] 438 |         assert_eq!(f32::deserialize(deserializer.clone()).unwrap(), 1.3);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/de.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         assert_eq!(f64::deserialize(deserializer.clone()).unwrap(), 1.31);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/de.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         assert_eq!(f64::deserialize(deserializer.clone()).unwrap(), 1.31);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/de.rs:467:9
[INFO] [stderr]     |
[INFO] [stderr] 467 |         assert_eq!(f32::deserialize(deserializer.clone()).unwrap(), 1.3);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/de.rs:467:9
[INFO] [stderr]     |
[INFO] [stderr] 467 |         assert_eq!(f32::deserialize(deserializer.clone()).unwrap(), 1.3);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/de.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |         assert_eq!(f64::deserialize(deserializer.clone()).unwrap(), 1.31);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/de.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |         assert_eq!(f64::deserialize(deserializer.clone()).unwrap(), 1.31);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `serde_fs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "558736a3d8a40cd79935191b4b915c16e8be59837b63ff7c9c39f58129eced09"`
[INFO] running `"docker" "rm" "-f" "558736a3d8a40cd79935191b4b915c16e8be59837b63ff7c9c39f58129eced09"`
[INFO] [stdout] 558736a3d8a40cd79935191b4b915c16e8be59837b63ff7c9c39f58129eced09