[INFO] crate new_type_derive 0.2.2 is already in cache
[INFO] extracting crate new_type_derive 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/new_type_derive/0.2.2
[INFO] extracting crate new_type_derive 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/new_type_derive/0.2.2
[INFO] validating manifest of new_type_derive-0.2.2 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 new_type_derive-0.2.2 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 new_type_derive-0.2.2
[INFO] finished frobbing new_type_derive-0.2.2
[INFO] frobbed toml for new_type_derive-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/new_type_derive/0.2.2/Cargo.toml
[INFO] started frobbing new_type_derive-0.2.2
[INFO] finished frobbing new_type_derive-0.2.2
[INFO] frobbed toml for new_type_derive-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/new_type_derive/0.2.2/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 new_type_derive-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/new_type_derive/0.2.2:/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] 1c9c5964de3c772e606418715b7a29db91d61814c28b251143f88b4a83f19e86
[INFO] running `"docker" "start" "-a" "1c9c5964de3c772e606418715b7a29db91d61814c28b251143f88b4a83f19e86"`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking new_type_derive v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: item `ShortIdRef` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> examples/identifier.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / impl ShortIdRef {
[INFO] [stderr] 47 | |     pub fn len(&self) -> usize {
[INFO] [stderr] 48 | |         self.inner.len()
[INFO] [stderr] 49 | |     }
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> examples/identifier.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut args_iter = env::args().into_iter();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `env::args()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ALT_STRING`
[INFO] [stderr]    --> src/new_type_pair.rs:515:5
[INFO] [stderr]     |
[INFO] [stderr] 515 |     const ALT_STRING: &str = "Ĉu ĝustas?";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/new_type_pair.rs:724:9
[INFO] [stderr]     |
[INFO] [stderr] 724 |         assert_eq_size_ptr!(&TEST_STR, &StrWrapRef::try_as_ref(TEST_STR).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[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: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
[INFO] [stderr]    --> src/new_type_pair.rs:724:9
[INFO] [stderr]     |
[INFO] [stderr] 724 |         assert_eq_size_ptr!(&TEST_STR, &StrWrapRef::try_as_ref(TEST_STR).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::forget_ref)] on by default
[INFO] [stderr] note: argument has type &str
[INFO] [stderr]    --> src/new_type_pair.rs:724:9
[INFO] [stderr]     |
[INFO] [stderr] 724 |         assert_eq_size_ptr!(&TEST_STR, &StrWrapRef::try_as_ref(TEST_STR).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_ref
[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] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/new_type_pair.rs:725:9
[INFO] [stderr]     |
[INFO] [stderr] 725 |         assert_eq_size_ptr!(&TEST_STR, &ArrStrWrapRef::try_as_ref(TEST_STR).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[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: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
[INFO] [stderr]    --> src/new_type_pair.rs:725:9
[INFO] [stderr]     |
[INFO] [stderr] 725 |         assert_eq_size_ptr!(&TEST_STR, &ArrStrWrapRef::try_as_ref(TEST_STR).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type &str
[INFO] [stderr]    --> src/new_type_pair.rs:725:9
[INFO] [stderr]     |
[INFO] [stderr] 725 |         assert_eq_size_ptr!(&TEST_STR, &ArrStrWrapRef::try_as_ref(TEST_STR).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#forget_ref
[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 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `new_type_derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c9c5964de3c772e606418715b7a29db91d61814c28b251143f88b4a83f19e86"`
[INFO] running `"docker" "rm" "-f" "1c9c5964de3c772e606418715b7a29db91d61814c28b251143f88b4a83f19e86"`
[INFO] [stdout] 1c9c5964de3c772e606418715b7a29db91d61814c28b251143f88b4a83f19e86