[INFO] crate relative-path 0.4.0 is already in cache
[INFO] extracting crate relative-path 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/relative-path/0.4.0
[INFO] extracting crate relative-path 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/relative-path/0.4.0
[INFO] validating manifest of relative-path-0.4.0 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 relative-path-0.4.0 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 relative-path-0.4.0
[INFO] finished frobbing relative-path-0.4.0
[INFO] frobbed toml for relative-path-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/relative-path/0.4.0/Cargo.toml
[INFO] started frobbing relative-path-0.4.0
[INFO] finished frobbing relative-path-0.4.0
[INFO] frobbed toml for relative-path-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/relative-path/0.4.0/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 relative-path-0.4.0 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/relative-path/0.4.0:/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] 34692e6c0f94941bb45942337b470f1467e03e25c25378bc51421fb100db2819
[INFO] running `"docker" "start" "-a" "34692e6c0f94941bb45942337b470f1467e03e25c25378bc51421fb100db2819"`
[INFO] [stderr]     Checking relative-path v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:507:9
[INFO] [stderr]     |
[INFO] [stderr] 507 | /         if self.file_name().is_some() {
[INFO] [stderr] 508 | |             if !self.pop() {
[INFO] [stderr] 509 | |                 self.inner = file_name.to_string();
[INFO] [stderr] 510 | |                 return;
[INFO] [stderr] 511 | |             }
[INFO] [stderr] 512 | |         }
[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] 507 |         if self.file_name().is_some() && !self.pop() {
[INFO] [stderr] 508 |     self.inner = file_name.to_string();
[INFO] [stderr] 509 |     return;
[INFO] [stderr] 510 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:465:12
[INFO] [stderr]     |
[INFO] [stderr] 465 |         if self.inner.len() > 0 && !self.ends_with_sep() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.inner.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:732:5
[INFO] [stderr]     |
[INFO] [stderr] 732 | /     pub fn from_path<'a, P: ?Sized + AsRef<path::Path>>(
[INFO] [stderr] 733 | |         path: &'a P,
[INFO] [stderr] 734 | |     ) -> Result<&'a RelativePath, FromPathError> {
[INFO] [stderr] 735 | |         use path::Component::*;
[INFO] [stderr] ...   |
[INFO] [stderr] 757 | |         Ok(rel)
[INFO] [stderr] 758 | |     }
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:507:9
[INFO] [stderr]     |
[INFO] [stderr] 507 | /         if self.file_name().is_some() {
[INFO] [stderr] 508 | |             if !self.pop() {
[INFO] [stderr] 509 | |                 self.inner = file_name.to_string();
[INFO] [stderr] 510 | |                 return;
[INFO] [stderr] 511 | |             }
[INFO] [stderr] 512 | |         }
[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] 507 |         if self.file_name().is_some() && !self.pop() {
[INFO] [stderr] 508 |     self.inner = file_name.to_string();
[INFO] [stderr] 509 |     return;
[INFO] [stderr] 510 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:465:12
[INFO] [stderr]     |
[INFO] [stderr] 465 |         if self.inner.len() > 0 && !self.ends_with_sep() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.inner.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:732:5
[INFO] [stderr]     |
[INFO] [stderr] 732 | /     pub fn from_path<'a, P: ?Sized + AsRef<path::Path>>(
[INFO] [stderr] 733 | |         path: &'a P,
[INFO] [stderr] 734 | |     ) -> Result<&'a RelativePath, FromPathError> {
[INFO] [stderr] 735 | |         use path::Component::*;
[INFO] [stderr] ...   |
[INFO] [stderr] 757 | |         Ok(rel)
[INFO] [stderr] 758 | |     }
[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: the function has a cyclomatic complexity of 163
[INFO] [stderr]     --> src/lib.rs:1489:5
[INFO] [stderr]      |
[INFO] [stderr] 1489 | /     pub fn test_decompositions() {
[INFO] [stderr] 1490 | |         t!("",
[INFO] [stderr] 1491 | |            iter: [],
[INFO] [stderr] 1492 | |            parent: None,
[INFO] [stderr] ...    |
[INFO] [stderr] 1704 | |            );
[INFO] [stderr] 1705 | |     }
[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: the function has a cyclomatic complexity of 41
[INFO] [stderr]     --> src/lib.rs:1826:5
[INFO] [stderr]      |
[INFO] [stderr] 1826 | /     pub fn test_compare() {
[INFO] [stderr] 1827 | |         use std::collections::hash_map::DefaultHasher;
[INFO] [stderr] 1828 | |         use std::hash::{Hash, Hasher};
[INFO] [stderr] 1829 | |
[INFO] [stderr] ...    |
[INFO] [stderr] 1924 | |             );
[INFO] [stderr] 1925 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "34692e6c0f94941bb45942337b470f1467e03e25c25378bc51421fb100db2819"`
[INFO] running `"docker" "rm" "-f" "34692e6c0f94941bb45942337b470f1467e03e25c25378bc51421fb100db2819"`
[INFO] [stdout] 34692e6c0f94941bb45942337b470f1467e03e25c25378bc51421fb100db2819