Dec 12 05:37:02.873 INFO checking type_level_examples-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 05:37:02.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 05:37:03.420 INFO [stdout] 2eb69425011ad8afd3410d260ffe0d8faf41289142872719a0bf0412b4e4be96
Dec 12 05:37:03.426 INFO running `"docker" "start" "-a" "2eb69425011ad8afd3410d260ffe0d8faf41289142872719a0bf0412b4e4be96"`
Dec 12 05:37:05.515 INFO [stderr] usermod: no changes
Dec 12 05:37:05.686 INFO [stderr]    Compiling typed-arena v1.4.1
Dec 12 05:37:05.689 INFO [stderr]    Compiling arrayvec v0.4.8
Dec 12 05:37:05.689 INFO [stderr]    Compiling libc v0.2.45
Dec 12 05:37:05.689 INFO [stderr]    Compiling typenum v1.10.0
Dec 12 05:37:05.691 INFO [stderr]    Compiling core_extensions v0.1.4
Dec 12 05:37:05.691 INFO [stderr]    Compiling derive_type_level_lib v0.1.0
Dec 12 05:37:05.691 INFO [stderr]    Compiling syn v0.15.22
Dec 12 05:37:15.533 INFO [stderr]    Compiling memchr v2.1.2
Dec 12 05:37:20.524 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 12 05:37:20.596 INFO [stderr]    Compiling type_level_values v0.1.2
Dec 12 05:37:24.342 INFO [stderr]    Compiling regex v1.1.0
Dec 12 05:38:06.889 INFO [stderr]    Compiling serde_derive v1.0.82
Dec 12 05:38:41.876 INFO [stderr]    Compiling derive_type_level v0.1.0
Dec 12 05:38:52.568 INFO [stderr]     Checking type_level_examples v0.1.0 (/source)
Dec 12 05:38:55.832 INFO [stderr] warning: unused import: `type_level_values::std_ops::*`
Dec 12 05:38:55.832 INFO [stderr]   --> src/_06_channel.rs:16:5
Dec 12 05:38:55.832 INFO [stderr]    |
Dec 12 05:38:55.832 INFO [stderr] 16 | use type_level_values::std_ops::*;
Dec 12 05:38:55.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:55.832 INFO [stderr]    |
Dec 12 05:38:55.832 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 05:38:55.832 INFO [stderr] 
Dec 12 05:38:55.868 INFO [stderr] warning: unused import: `type_level_values::std_ops::*`
Dec 12 05:38:55.868 INFO [stderr]   --> src/_06_channel.rs:16:5
Dec 12 05:38:55.868 INFO [stderr]    |
Dec 12 05:38:55.868 INFO [stderr] 16 | use type_level_values::std_ops::*;
Dec 12 05:38:55.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:55.868 INFO [stderr]    |
Dec 12 05:38:55.868 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 05:38:55.868 INFO [stderr] 
Dec 12 05:38:57.368 INFO [stderr] warning: field is never used: `list`
Dec 12 05:38:57.368 INFO [stderr]   --> src/_01_deserialize_uninitialized.rs:43:5
Dec 12 05:38:57.368 INFO [stderr]    |
Dec 12 05:38:57.368 INFO [stderr] 43 |     list: Vec<T>,
Dec 12 05:38:57.368 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 12 05:38:57.368 INFO [stderr]    |
Dec 12 05:38:57.368 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 05:38:57.368 INFO [stderr] 
Dec 12 05:38:57.368 INFO [stderr] warning: field is never used: `const_value`
Dec 12 05:38:57.368 INFO [stderr]   --> src/_01_deserialize_uninitialized.rs:45:5
Dec 12 05:38:57.368 INFO [stderr]    |
Dec 12 05:38:57.368 INFO [stderr] 45 |     const_value: I,
Dec 12 05:38:57.368 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 05:38:57.368 INFO [stderr] 
Dec 12 05:38:57.368 INFO [stderr] warning: field is never used: `value`
Dec 12 05:38:57.368 INFO [stderr]   --> src/_02_mut_wrapper.rs:37:5
Dec 12 05:38:57.368 INFO [stderr]    |
Dec 12 05:38:57.368 INFO [stderr] 37 |     value: T,
Dec 12 05:38:57.368 INFO [stderr]    |     ^^^^^^^^
Dec 12 05:38:57.368 INFO [stderr] 
Dec 12 05:38:57.368 INFO [stderr] warning: field is never used: `mutability`
Dec 12 05:38:57.368 INFO [stderr]   --> src/_02_mut_wrapper.rs:38:5
Dec 12 05:38:57.368 INFO [stderr]    |
Dec 12 05:38:57.368 INFO [stderr] 38 |     mutability: ConstWrapper<M>,
Dec 12 05:38:57.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.368 INFO [stderr] 
Dec 12 05:38:57.372 INFO [stderr] warning: field is never used: `x`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_03_vis_wrapper.rs:96:9
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 96 |         x: u32,
Dec 12 05:38:57.373 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `y`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_03_vis_wrapper.rs:97:9
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 97 |         y: u32,
Dec 12 05:38:57.373 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `w`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_03_vis_wrapper.rs:98:9
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 98 |         w: u32,
Dec 12 05:38:57.373 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `h`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_03_vis_wrapper.rs:99:9
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 99 |         h: u32,
Dec 12 05:38:57.373 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `marker`
Dec 12 05:38:57.373 INFO [stderr]    --> src/_03_vis_wrapper.rs:100:9
Dec 12 05:38:57.373 INFO [stderr]     |
Dec 12 05:38:57.373 INFO [stderr] 100 |         marker: ConstWrapper<I>,
Dec 12 05:38:57.373 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `years_lived`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_04_typesafe_builder.rs:66:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 66 |     years_lived: ManuallyDrop<u32>,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `children`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_04_typesafe_builder.rs:67:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 67 |     children: ManuallyDrop<u32>,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `family`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_04_typesafe_builder.rs:68:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 68 |     family: ManuallyDrop<String>,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `filesystem`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_05_capabilities.rs:90:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 90 |     filesystem: FS,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `execute_command`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_05_capabilities.rs:91:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 91 |     execute_command: EC,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `channel`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_06_channel.rs:44:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 44 |     channel: Chan,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `x`
Dec 12 05:38:57.373 INFO [stderr]    --> src/_07_split_mut.rs:231:9
Dec 12 05:38:57.373 INFO [stderr]     |
Dec 12 05:38:57.373 INFO [stderr] 231 |         x: u32,
Dec 12 05:38:57.373 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `y`
Dec 12 05:38:57.373 INFO [stderr]    --> src/_07_split_mut.rs:232:9
Dec 12 05:38:57.373 INFO [stderr]     |
Dec 12 05:38:57.373 INFO [stderr] 232 |         y: u32,
Dec 12 05:38:57.373 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `w`
Dec 12 05:38:57.373 INFO [stderr]    --> src/_07_split_mut.rs:233:9
Dec 12 05:38:57.373 INFO [stderr]     |
Dec 12 05:38:57.373 INFO [stderr] 233 |         w: u32,
Dec 12 05:38:57.373 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `h`
Dec 12 05:38:57.373 INFO [stderr]    --> src/_07_split_mut.rs:234:9
Dec 12 05:38:57.373 INFO [stderr]     |
Dec 12 05:38:57.373 INFO [stderr] 234 |         h: u32,
Dec 12 05:38:57.373 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `accessible_fields`
Dec 12 05:38:57.373 INFO [stderr]    --> src/_07_split_mut.rs:235:9
Dec 12 05:38:57.373 INFO [stderr]     |
Dec 12 05:38:57.373 INFO [stderr] 235 |         accessible_fields: ConstWrapper<I>,
Dec 12 05:38:57.373 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `range`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_08_ranged_int.rs:98:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 98 |     range: ConstWrapper<R>,
Dec 12 05:38:57.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.373 INFO [stderr] 
Dec 12 05:38:57.373 INFO [stderr] warning: field is never used: `n`
Dec 12 05:38:57.373 INFO [stderr]   --> src/_08_ranged_int.rs:99:5
Dec 12 05:38:57.373 INFO [stderr]    |
Dec 12 05:38:57.373 INFO [stderr] 99 |     n: <UnwrapConst<R> as RangeTypes>::Stored,
Dec 12 05:38:57.374 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.374 INFO [stderr] 
Dec 12 05:38:57.376 INFO [stderr] warning: field is never used: `value`
Dec 12 05:38:57.376 INFO [stderr]    --> src/_09_type_hof.rs:109:5
Dec 12 05:38:57.376 INFO [stderr]     |
Dec 12 05:38:57.376 INFO [stderr] 109 |     value: T,
Dec 12 05:38:57.376 INFO [stderr]     |     ^^^^^^^^
Dec 12 05:38:57.376 INFO [stderr] 
Dec 12 05:38:57.468 INFO [stderr] warning: field is never used: `list`
Dec 12 05:38:57.468 INFO [stderr]   --> src/_01_deserialize_uninitialized.rs:43:5
Dec 12 05:38:57.468 INFO [stderr]    |
Dec 12 05:38:57.468 INFO [stderr] 43 |     list: Vec<T>,
Dec 12 05:38:57.468 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 12 05:38:57.468 INFO [stderr]    |
Dec 12 05:38:57.468 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 05:38:57.468 INFO [stderr] 
Dec 12 05:38:57.468 INFO [stderr] warning: field is never used: `const_value`
Dec 12 05:38:57.468 INFO [stderr]   --> src/_01_deserialize_uninitialized.rs:45:5
Dec 12 05:38:57.468 INFO [stderr]    |
Dec 12 05:38:57.468 INFO [stderr] 45 |     const_value: I,
Dec 12 05:38:57.468 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 05:38:57.468 INFO [stderr] 
Dec 12 05:38:57.468 INFO [stderr] warning: field is never used: `value`
Dec 12 05:38:57.468 INFO [stderr]   --> src/_02_mut_wrapper.rs:37:5
Dec 12 05:38:57.468 INFO [stderr]    |
Dec 12 05:38:57.468 INFO [stderr] 37 |     value: T,
Dec 12 05:38:57.468 INFO [stderr]    |     ^^^^^^^^
Dec 12 05:38:57.468 INFO [stderr] 
Dec 12 05:38:57.468 INFO [stderr] warning: field is never used: `mutability`
Dec 12 05:38:57.468 INFO [stderr]   --> src/_02_mut_wrapper.rs:38:5
Dec 12 05:38:57.468 INFO [stderr]    |
Dec 12 05:38:57.468 INFO [stderr] 38 |     mutability: ConstWrapper<M>,
Dec 12 05:38:57.468 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.468 INFO [stderr] 
Dec 12 05:38:57.469 INFO [stderr] warning: field is never used: `x`
Dec 12 05:38:57.469 INFO [stderr]   --> src/_03_vis_wrapper.rs:96:9
Dec 12 05:38:57.469 INFO [stderr]    |
Dec 12 05:38:57.469 INFO [stderr] 96 |         x: u32,
Dec 12 05:38:57.469 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.469 INFO [stderr] 
Dec 12 05:38:57.469 INFO [stderr] warning: field is never used: `y`
Dec 12 05:38:57.469 INFO [stderr]   --> src/_03_vis_wrapper.rs:97:9
Dec 12 05:38:57.469 INFO [stderr]    |
Dec 12 05:38:57.469 INFO [stderr] 97 |         y: u32,
Dec 12 05:38:57.469 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.469 INFO [stderr] 
Dec 12 05:38:57.469 INFO [stderr] warning: field is never used: `w`
Dec 12 05:38:57.469 INFO [stderr]   --> src/_03_vis_wrapper.rs:98:9
Dec 12 05:38:57.469 INFO [stderr]    |
Dec 12 05:38:57.469 INFO [stderr] 98 |         w: u32,
Dec 12 05:38:57.469 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.469 INFO [stderr] 
Dec 12 05:38:57.469 INFO [stderr] warning: field is never used: `h`
Dec 12 05:38:57.469 INFO [stderr]   --> src/_03_vis_wrapper.rs:99:9
Dec 12 05:38:57.469 INFO [stderr]    |
Dec 12 05:38:57.469 INFO [stderr] 99 |         h: u32,
Dec 12 05:38:57.469 INFO [stderr]    |         ^^^^^^
Dec 12 05:38:57.469 INFO [stderr] 
Dec 12 05:38:57.469 INFO [stderr] warning: field is never used: `marker`
Dec 12 05:38:57.469 INFO [stderr]    --> src/_03_vis_wrapper.rs:100:9
Dec 12 05:38:57.469 INFO [stderr]     |
Dec 12 05:38:57.469 INFO [stderr] 100 |         marker: ConstWrapper<I>,
Dec 12 05:38:57.469 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.469 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `years_lived`
Dec 12 05:38:57.470 INFO [stderr]   --> src/_04_typesafe_builder.rs:66:5
Dec 12 05:38:57.470 INFO [stderr]    |
Dec 12 05:38:57.470 INFO [stderr] 66 |     years_lived: ManuallyDrop<u32>,
Dec 12 05:38:57.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `children`
Dec 12 05:38:57.470 INFO [stderr]   --> src/_04_typesafe_builder.rs:67:5
Dec 12 05:38:57.470 INFO [stderr]    |
Dec 12 05:38:57.470 INFO [stderr] 67 |     children: ManuallyDrop<u32>,
Dec 12 05:38:57.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `family`
Dec 12 05:38:57.470 INFO [stderr]   --> src/_04_typesafe_builder.rs:68:5
Dec 12 05:38:57.470 INFO [stderr]    |
Dec 12 05:38:57.470 INFO [stderr] 68 |     family: ManuallyDrop<String>,
Dec 12 05:38:57.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `filesystem`
Dec 12 05:38:57.470 INFO [stderr]   --> src/_05_capabilities.rs:90:5
Dec 12 05:38:57.470 INFO [stderr]    |
Dec 12 05:38:57.470 INFO [stderr] 90 |     filesystem: FS,
Dec 12 05:38:57.470 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `execute_command`
Dec 12 05:38:57.470 INFO [stderr]   --> src/_05_capabilities.rs:91:5
Dec 12 05:38:57.470 INFO [stderr]    |
Dec 12 05:38:57.470 INFO [stderr] 91 |     execute_command: EC,
Dec 12 05:38:57.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `channel`
Dec 12 05:38:57.470 INFO [stderr]   --> src/_06_channel.rs:44:5
Dec 12 05:38:57.470 INFO [stderr]    |
Dec 12 05:38:57.470 INFO [stderr] 44 |     channel: Chan,
Dec 12 05:38:57.470 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `x`
Dec 12 05:38:57.470 INFO [stderr]    --> src/_07_split_mut.rs:231:9
Dec 12 05:38:57.470 INFO [stderr]     |
Dec 12 05:38:57.470 INFO [stderr] 231 |         x: u32,
Dec 12 05:38:57.470 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `y`
Dec 12 05:38:57.470 INFO [stderr]    --> src/_07_split_mut.rs:232:9
Dec 12 05:38:57.470 INFO [stderr]     |
Dec 12 05:38:57.470 INFO [stderr] 232 |         y: u32,
Dec 12 05:38:57.470 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `w`
Dec 12 05:38:57.470 INFO [stderr]    --> src/_07_split_mut.rs:233:9
Dec 12 05:38:57.470 INFO [stderr]     |
Dec 12 05:38:57.470 INFO [stderr] 233 |         w: u32,
Dec 12 05:38:57.470 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `h`
Dec 12 05:38:57.470 INFO [stderr]    --> src/_07_split_mut.rs:234:9
Dec 12 05:38:57.470 INFO [stderr]     |
Dec 12 05:38:57.470 INFO [stderr] 234 |         h: u32,
Dec 12 05:38:57.470 INFO [stderr]     |         ^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.470 INFO [stderr] warning: field is never used: `accessible_fields`
Dec 12 05:38:57.470 INFO [stderr]    --> src/_07_split_mut.rs:235:9
Dec 12 05:38:57.470 INFO [stderr]     |
Dec 12 05:38:57.470 INFO [stderr] 235 |         accessible_fields: ConstWrapper<I>,
Dec 12 05:38:57.470 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.470 INFO [stderr] 
Dec 12 05:38:57.472 INFO [stderr] warning: field is never used: `range`
Dec 12 05:38:57.472 INFO [stderr]   --> src/_08_ranged_int.rs:98:5
Dec 12 05:38:57.472 INFO [stderr]    |
Dec 12 05:38:57.472 INFO [stderr] 98 |     range: ConstWrapper<R>,
Dec 12 05:38:57.472 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.472 INFO [stderr] 
Dec 12 05:38:57.472 INFO [stderr] warning: field is never used: `n`
Dec 12 05:38:57.472 INFO [stderr]   --> src/_08_ranged_int.rs:99:5
Dec 12 05:38:57.472 INFO [stderr]    |
Dec 12 05:38:57.472 INFO [stderr] 99 |     n: <UnwrapConst<R> as RangeTypes>::Stored,
Dec 12 05:38:57.472 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 05:38:57.472 INFO [stderr] 
Dec 12 05:38:57.472 INFO [stderr] warning: field is never used: `value`
Dec 12 05:38:57.472 INFO [stderr]    --> src/_09_type_hof.rs:109:5
Dec 12 05:38:57.472 INFO [stderr]     |
Dec 12 05:38:57.472 INFO [stderr] 109 |     value: T,
Dec 12 05:38:57.472 INFO [stderr]     |     ^^^^^^^^
Dec 12 05:38:57.472 INFO [stderr] 
Dec 12 05:38:59.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
Dec 12 05:38:59.788 INFO [stderr] su: No module specific data is present
Dec 12 05:39:00.144 INFO running `"docker" "inspect" "2eb69425011ad8afd3410d260ffe0d8faf41289142872719a0bf0412b4e4be96"`
Dec 12 05:39:00.320 INFO running `"docker" "rm" "-f" "2eb69425011ad8afd3410d260ffe0d8faf41289142872719a0bf0412b4e4be96"`
Dec 12 05:39:00.604 INFO [stdout] 2eb69425011ad8afd3410d260ffe0d8faf41289142872719a0bf0412b4e4be96