[INFO] crate assoc_list 0.1.0 is already in cache
[INFO] extracting crate assoc_list 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/assoc_list/0.1.0
[INFO] extracting crate assoc_list 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/assoc_list/0.1.0
[INFO] validating manifest of assoc_list-0.1.0 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 assoc_list-0.1.0 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 assoc_list-0.1.0
[INFO] finished frobbing assoc_list-0.1.0
[INFO] frobbed toml for assoc_list-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/assoc_list/0.1.0/Cargo.toml
[INFO] started frobbing assoc_list-0.1.0
[INFO] finished frobbing assoc_list-0.1.0
[INFO] frobbed toml for assoc_list-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/assoc_list/0.1.0/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 assoc_list-0.1.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/assoc_list/0.1.0:/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 -Dclippy::into_iter_on_array" "-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] dd10dc25c69ed62e2f8986aa3b09180025a06e721e4be3ca68d084f363afc4ea
[INFO] running `"docker" "start" "-a" "dd10dc25c69ed62e2f8986aa3b09180025a06e721e4be3ca68d084f363afc4ea"`
[INFO] [stderr]     Checking assoc_list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new() -> AssocList<K, V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn insert(&mut self, k: K, v: V) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains_key`
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn contains_key(&self, k: &K) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove(&mut self, k: &K) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         for &(ref key, ref value_option) in &self.storage {
[INFO] [stderr] 25 | |
[INFO] [stderr] 26 | |             if let Some(ref value) = *value_option {
[INFO] [stderr] 27 | |                 if *key == *k {
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |             return None
[INFO] [stderr] 32 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         match self.get(k) {
[INFO] [stderr] 38 | |             Some(_) => true,
[INFO] [stderr] 39 | |             None => false,
[INFO] [stderr] 40 | |         }
[INFO] [stderr]    | |_________^ help: try this: `self.get(k).is_some()`
[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] 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:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     fn index<'a>(&'a self, index: K) -> &'a V {
[INFO] [stderr] 53 | |         self.get(&index).expect("key not found")
[INFO] [stderr] 54 | |     }
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `assoc_list`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let map: AssocList<String, String> = AssocList::new();
[INFO] [stderr]    |         ^^^ help: consider using `_map` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         for &(ref key, ref value_option) in &self.storage {
[INFO] [stderr] 25 | |
[INFO] [stderr] 26 | |             if let Some(ref value) = *value_option {
[INFO] [stderr] 27 | |                 if *key == *k {
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |             return None
[INFO] [stderr] 32 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         match self.get(k) {
[INFO] [stderr] 38 | |             Some(_) => true,
[INFO] [stderr] 39 | |             None => false,
[INFO] [stderr] 40 | |         }
[INFO] [stderr]    | |_________^ help: try this: `self.get(k).is_some()`
[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] 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:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     fn index<'a>(&'a self, index: K) -> &'a V {
[INFO] [stderr] 53 | |         self.get(&index).expect("key not found")
[INFO] [stderr] 54 | |     }
[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] error: ==-comparison of unit values detected. This will always be true
[INFO] [stderr]   --> src/lib.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |     assert!(map.insert("name", "John Smith") == ());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unit_cmp)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     assert!(map.contains_key(&"name") == true);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `map.contains_key(&"name")`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/lib.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |     assert!(map.contains_key(&"missing key") == false);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!map.contains_key(&"missing key")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] error: ==-comparison of unit values detected. This will always be true
[INFO] [stderr]    --> src/lib.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert!(map.remove(&"name") == ());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_cmp
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `assoc_list`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dd10dc25c69ed62e2f8986aa3b09180025a06e721e4be3ca68d084f363afc4ea"`
[INFO] running `"docker" "rm" "-f" "dd10dc25c69ed62e2f8986aa3b09180025a06e721e4be3ca68d084f363afc4ea"`
[INFO] [stdout] dd10dc25c69ed62e2f8986aa3b09180025a06e721e4be3ca68d084f363afc4ea