[INFO] crate namedlock 0.6.0 is already in cache
[INFO] extracting crate namedlock 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/namedlock/0.6.0
[INFO] extracting crate namedlock 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/namedlock/0.6.0
[INFO] validating manifest of namedlock-0.6.0 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 namedlock-0.6.0 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 namedlock-0.6.0
[INFO] finished frobbing namedlock-0.6.0
[INFO] frobbed toml for namedlock-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/namedlock/0.6.0/Cargo.toml
[INFO] started frobbing namedlock-0.6.0
[INFO] finished frobbing namedlock-0.6.0
[INFO] frobbed toml for namedlock-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/namedlock/0.6.0/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 namedlock-0.6.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/namedlock/0.6.0:/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] 958f443c2fb3124f34c7dc60c629bb3fcf5fb82b8387055d7dbc3e0325b00b07
[INFO] running `"docker" "start" "-a" "958f443c2fb3124f34c7dc60c629bb3fcf5fb82b8387055d7dbc3e0325b00b07"`
[INFO] [stderr]     Checking namedlock v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:283:56
[INFO] [stderr]     |
[INFO] [stderr] 283 |         LockSpace{names:Arc::new(Mutex::new(HashMap::new())),cleanup:cleanup}
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^ help: replace it with: `cleanup`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:283:56
[INFO] [stderr]     |
[INFO] [stderr] 283 |         LockSpace{names:Arc::new(Mutex::new(HashMap::new())),cleanup:cleanup}
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^ help: replace it with: `cleanup`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ownedmutexguard.rs:143:3
[INFO] [stderr]     |
[INFO] [stderr] 143 |         return Ok(OwnedMutexGuard{owned_mutex:Some(self),guard:Some(guard)});
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(OwnedMutexGuard{owned_mutex:Some(self),guard:Some(guard)})`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:336:5
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 return LockSpaceRemoveResult::Success
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `LockSpaceRemoveResult::Success`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |                 return LockSpaceRemoveResult::WouldBlock
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `LockSpaceRemoveResult::WouldBlock`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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/ownedmutexguard.rs:88:2
[INFO] [stderr]    |
[INFO] [stderr] 88 |       fn deref<'b>(&'b self) -> &'b T {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 89 | |         // This is always Some, because it's initialized as Some, and only drop() and into_inner() turn it into None
[INFO] [stderr] 90 | |         match self.guard {
[INFO] [stderr] 91 | |             Some(ref value) => &value,
[INFO] [stderr] 92 | |             None => unreachable!(), // to be replace with std::intrinsics::unreachable once stable
[INFO] [stderr] 93 | |         }
[INFO] [stderr] 94 | |     }
[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/lib.rs:181:2
[INFO] [stderr]     |
[INFO] [stderr] 181 |       fn deref<'b>(&'b self) -> &'b V {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 182 | |         // This is always Some, because it's initialized as Some, and only drop() turns it into None
[INFO] [stderr] 183 | |         match self.guard {
[INFO] [stderr] 184 | |             Some(ref value) => &value,
[INFO] [stderr] 185 | |             None => unreachable!(), // to be replace with std::intrinsics::unreachable once stable
[INFO] [stderr] 186 | |         }
[INFO] [stderr] 187 | |     }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:330:2
[INFO] [stderr]     |
[INFO] [stderr] 330 |       fn try_remove_internal<'a>(mut entry: LockSpaceEntry<'a,K,V>) -> LockSpaceRemoveResult
[INFO] [stderr]     |  _____^
[INFO] [stderr] 331 | |     {
[INFO] [stderr] 332 | |         let arc=entry.get_mut().take().unwrap();
[INFO] [stderr] 333 | |         match Arc::try_unwrap(arc) {
[INFO] [stderr] ...   |
[INFO] [stderr] 342 | |         }
[INFO] [stderr] 343 | |     }
[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: unneeded return statement
[INFO] [stderr]    --> src/ownedmutexguard.rs:143:3
[INFO] [stderr]     |
[INFO] [stderr] 143 |         return Ok(OwnedMutexGuard{owned_mutex:Some(self),guard:Some(guard)});
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(OwnedMutexGuard{owned_mutex:Some(self),guard:Some(guard)})`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:336:5
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 return LockSpaceRemoveResult::Success
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `LockSpaceRemoveResult::Success`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |                 return LockSpaceRemoveResult::WouldBlock
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `LockSpaceRemoveResult::WouldBlock`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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/ownedmutexguard.rs:88:2
[INFO] [stderr]    |
[INFO] [stderr] 88 |       fn deref<'b>(&'b self) -> &'b T {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 89 | |         // This is always Some, because it's initialized as Some, and only drop() and into_inner() turn it into None
[INFO] [stderr] 90 | |         match self.guard {
[INFO] [stderr] 91 | |             Some(ref value) => &value,
[INFO] [stderr] 92 | |             None => unreachable!(), // to be replace with std::intrinsics::unreachable once stable
[INFO] [stderr] 93 | |         }
[INFO] [stderr] 94 | |     }
[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/lib.rs:181:2
[INFO] [stderr]     |
[INFO] [stderr] 181 |       fn deref<'b>(&'b self) -> &'b V {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 182 | |         // This is always Some, because it's initialized as Some, and only drop() turns it into None
[INFO] [stderr] 183 | |         match self.guard {
[INFO] [stderr] 184 | |             Some(ref value) => &value,
[INFO] [stderr] 185 | |             None => unreachable!(), // to be replace with std::intrinsics::unreachable once stable
[INFO] [stderr] 186 | |         }
[INFO] [stderr] 187 | |     }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:330:2
[INFO] [stderr]     |
[INFO] [stderr] 330 |       fn try_remove_internal<'a>(mut entry: LockSpaceEntry<'a,K,V>) -> LockSpaceRemoveResult
[INFO] [stderr]     |  _____^
[INFO] [stderr] 331 | |     {
[INFO] [stderr] 332 | |         let arc=entry.get_mut().take().unwrap();
[INFO] [stderr] 333 | |         match Arc::try_unwrap(arc) {
[INFO] [stderr] ...   |
[INFO] [stderr] 342 | |         }
[INFO] [stderr] 343 | |     }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "958f443c2fb3124f34c7dc60c629bb3fcf5fb82b8387055d7dbc3e0325b00b07"`
[INFO] running `"docker" "rm" "-f" "958f443c2fb3124f34c7dc60c629bb3fcf5fb82b8387055d7dbc3e0325b00b07"`
[INFO] [stdout] 958f443c2fb3124f34c7dc60c629bb3fcf5fb82b8387055d7dbc3e0325b00b07