[INFO] fetching crate type_level_examples 0.1.0...
[INFO] checking type_level_examples-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate type_level_examples 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate type_level_examples 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate type_level_examples 0.1.0
[INFO] finished tweaking crates.io crate type_level_examples 0.1.0
[INFO] tweaked toml for crates.io crate type_level_examples 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25aa5657ebb636ef18c0346de7c023b061f94b87cf1fef12e31e58e806a9f62c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25aa5657ebb636ef18c0346de7c023b061f94b87cf1fef12e31e58e806a9f62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25aa5657ebb636ef18c0346de7c023b061f94b87cf1fef12e31e58e806a9f62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25aa5657ebb636ef18c0346de7c023b061f94b87cf1fef12e31e58e806a9f62c", kill_on_drop: false }`
[INFO] [stdout] 25aa5657ebb636ef18c0346de7c023b061f94b87cf1fef12e31e58e806a9f62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb824c63e2f521b6dc4ee64f46da0e52db315b66a294235576fd8485f6622e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eeb824c63e2f521b6dc4ee64f46da0e52db315b66a294235576fd8485f6622e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling core_extensions v0.1.17
[INFO] [stderr]    Compiling derive_type_level_lib v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling type_level_values v0.1.2
[INFO] [stderr]    Compiling derive_type_level v0.1.0
[INFO] [stderr]     Checking type_level_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `type_level_values::std_ops::*`
[INFO] [stdout]   --> src/_06_channel.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use type_level_values::std_ops::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `type_level_values::std_ops::*`
[INFO] [stdout]   --> src/_06_channel.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use type_level_values::std_ops::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe { mem::uninitialized() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe { mem::uninitialized() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list`
[INFO] [stdout]   --> src/_01_deserialize_uninitialized.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     list: Vec<T>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `const_value`
[INFO] [stdout]   --> src/_01_deserialize_uninitialized.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     const_value: I,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/_02_mut_wrapper.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     value: T,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mutability`
[INFO] [stdout]   --> src/_02_mut_wrapper.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     mutability: ConstWrapper<M>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         x: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         y: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         w: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         h: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marker`
[INFO] [stdout]    --> src/_03_vis_wrapper.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         marker: ConstWrapper<I>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `years_lived`
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     years_lived: ManuallyDrop<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     children: ManuallyDrop<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `family`
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     family: ManuallyDrop<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filesystem`
[INFO] [stdout]   --> src/_05_capabilities.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     filesystem: FS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `execute_command`
[INFO] [stdout]   --> src/_05_capabilities.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     execute_command: EC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel`
[INFO] [stdout]   --> src/_06_channel.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     channel: Chan,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/_07_split_mut.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         x: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/_07_split_mut.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         y: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]    --> src/_07_split_mut.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         w: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]    --> src/_07_split_mut.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         h: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `accessible_fields`
[INFO] [stdout]    --> src/_07_split_mut.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         accessible_fields: ConstWrapper<I>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `range`
[INFO] [stdout]   --> src/_08_ranged_int.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     range: ConstWrapper<R>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/_08_ranged_int.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     n: <UnwrapConst<R> as RangeTypes>::Stored,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/_09_type_hof.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     value: T,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list`
[INFO] [stdout]   --> src/_01_deserialize_uninitialized.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     list: Vec<T>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `const_value`
[INFO] [stdout]   --> src/_01_deserialize_uninitialized.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     const_value: I,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/_02_mut_wrapper.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     value: T,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mutability`
[INFO] [stdout]   --> src/_02_mut_wrapper.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     mutability: ConstWrapper<M>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         x: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         y: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         w: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/_03_vis_wrapper.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         h: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marker`
[INFO] [stdout]    --> src/_03_vis_wrapper.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         marker: ConstWrapper<I>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `years_lived`
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     years_lived: ManuallyDrop<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     children: ManuallyDrop<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `family`
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     family: ManuallyDrop<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filesystem`
[INFO] [stdout]   --> src/_05_capabilities.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     filesystem: FS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `_04_typesafe_builder::AnimalBuilder_Ty<type_level_values::const_wrapper::ConstWrapper<I>>` does not permit being left uninitialized
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe { mem::uninitialized() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this code causes undefined behavior when executed
[INFO] [stdout]    |                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `execute_command`
[INFO] [stdout]   --> src/_05_capabilities.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     execute_command: EC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel`
[INFO] [stdout]   --> src/_06_channel.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     channel: Chan,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/_07_split_mut.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         x: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/_07_split_mut.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         y: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]    --> src/_07_split_mut.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         w: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]    --> src/_07_split_mut.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         h: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `accessible_fields`
[INFO] [stdout]    --> src/_07_split_mut.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         accessible_fields: ConstWrapper<I>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `range`
[INFO] [stdout]   --> src/_08_ranged_int.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     range: ConstWrapper<R>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/_08_ranged_int.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     n: <UnwrapConst<R> as RangeTypes>::Stored,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/_09_type_hof.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     value: T,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `_04_typesafe_builder::AnimalBuilder_Ty<type_level_values::const_wrapper::ConstWrapper<I>>` does not permit being left uninitialized
[INFO] [stdout]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe { mem::uninitialized() }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this code causes undefined behavior when executed
[INFO] [stdout]    |                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "eeb824c63e2f521b6dc4ee64f46da0e52db315b66a294235576fd8485f6622e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb824c63e2f521b6dc4ee64f46da0e52db315b66a294235576fd8485f6622e6", kill_on_drop: false }`
[INFO] [stdout] eeb824c63e2f521b6dc4ee64f46da0e52db315b66a294235576fd8485f6622e6
