[INFO] fetching crate type_level_examples 0.1.0...
[INFO] testing type_level_examples-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate type_level_examples 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate type_level_examples 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 906a81541530b580fbc0d9abeef7194f6725946d143c80e99229e8454362c474
[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" "906a81541530b580fbc0d9abeef7194f6725946d143c80e99229e8454362c474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "906a81541530b580fbc0d9abeef7194f6725946d143c80e99229e8454362c474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906a81541530b580fbc0d9abeef7194f6725946d143c80e99229e8454362c474", kill_on_drop: false }`
[INFO] [stdout] 906a81541530b580fbc0d9abeef7194f6725946d143c80e99229e8454362c474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffea03c2734123237f17130fb5b22cdfa5915abd36241269fdad6d4128082d76
[INFO] running `Command { std: "docker" "start" "-a" "ffea03c2734123237f17130fb5b22cdfa5915abd36241269fdad6d4128082d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling lazy_static v1.1.1
[INFO] [stderr]    Compiling core_extensions v0.1.17
[INFO] [stderr]    Compiling derive_type_level_lib v0.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling type_level_values v0.1.2
[INFO] [stderr]    Compiling derive_type_level v0.1.0
[INFO] [stderr]    Compiling 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: use of deprecated function `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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.57s
[INFO] running `Command { std: "docker" "inspect" "ffea03c2734123237f17130fb5b22cdfa5915abd36241269fdad6d4128082d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffea03c2734123237f17130fb5b22cdfa5915abd36241269fdad6d4128082d76", kill_on_drop: false }`
[INFO] [stdout] ffea03c2734123237f17130fb5b22cdfa5915abd36241269fdad6d4128082d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f189ede05f813130727dace659201af4cc6e783f035ecd97c2e95368186b84
[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" "08f189ede05f813130727dace659201af4cc6e783f035ecd97c2e95368186b84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: use of deprecated function `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: 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: 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 function `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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "08f189ede05f813130727dace659201af4cc6e783f035ecd97c2e95368186b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f189ede05f813130727dace659201af4cc6e783f035ecd97c2e95368186b84", kill_on_drop: false }`
[INFO] [stdout] 08f189ede05f813130727dace659201af4cc6e783f035ecd97c2e95368186b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21825c162376d5d1919828afb282e0f0e5c7e0b4fe10ca0ac7b84b77c8abee5a
[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" "21825c162376d5d1919828afb282e0f0e5c7e0b4fe10ca0ac7b84b77c8abee5a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `type_level_values::std_ops::*`
[INFO] [stderr]   --> src/_06_channel.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use type_level_values::std_ops::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stderr]    |
[INFO] [stderr] 78 |         unsafe { mem::uninitialized() }
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `list`
[INFO] [stderr]   --> src/_01_deserialize_uninitialized.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     list: Vec<T>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `const_value`
[INFO] [stderr]   --> src/_01_deserialize_uninitialized.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     const_value: I,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/_02_mut_wrapper.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     value: T,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mutability`
[INFO] [stderr]   --> src/_02_mut_wrapper.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     mutability: ConstWrapper<M>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         x: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         y: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         w: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         h: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `marker`
[INFO] [stderr]    --> src/_03_vis_wrapper.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         marker: ConstWrapper<I>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `years_lived`
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     years_lived: ManuallyDrop<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `children`
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     children: ManuallyDrop<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `type_level_values::std_ops::*`
[INFO] [stderr]   --> src/_06_channel.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use type_level_values::std_ops::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `family`
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     family: ManuallyDrop<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filesystem`
[INFO] [stderr]   --> src/_05_capabilities.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     filesystem: FS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stderr]    |
[INFO] [stderr] 78 |         unsafe { mem::uninitialized() }
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `execute_command`
[INFO] [stderr]   --> src/_05_capabilities.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     execute_command: EC,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `list`
[INFO] [stderr]   --> src/_01_deserialize_uninitialized.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     list: Vec<T>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `channel`
[INFO] [stderr]   --> src/_06_channel.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     channel: Chan,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]    --> src/_07_split_mut.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         x: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `const_value`
[INFO] [stderr]   --> src/_01_deserialize_uninitialized.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     const_value: I,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]    --> src/_07_split_mut.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         y: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/_02_mut_wrapper.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     value: T,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]    --> src/_07_split_mut.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         w: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mutability`
[INFO] [stderr]   --> src/_02_mut_wrapper.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     mutability: ConstWrapper<M>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]    --> src/_07_split_mut.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         h: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         x: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `accessible_fields`
[INFO] [stderr]    --> src/_07_split_mut.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         accessible_fields: ConstWrapper<I>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         y: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `range`
[INFO] [stderr]   --> src/_08_ranged_int.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     range: ConstWrapper<R>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         w: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/_08_ranged_int.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     n: <UnwrapConst<R> as RangeTypes>::Stored,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]   --> src/_03_vis_wrapper.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         h: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]    --> src/_09_type_hof.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     value: T,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `marker`
[INFO] [stderr]    --> src/_03_vis_wrapper.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         marker: ConstWrapper<I>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `years_lived`
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     years_lived: ManuallyDrop<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `children`
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     children: ManuallyDrop<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `family`
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     family: ManuallyDrop<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `_04_typesafe_builder::AnimalBuilder_Ty<type_level_values::const_wrapper::ConstWrapper<I>>` does not permit being left uninitialized
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stderr]    |
[INFO] [stderr] 78 |         unsafe { mem::uninitialized() }
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this code causes undefined behavior when executed
[INFO] [stderr]    |                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filesystem`
[INFO] [stderr]   --> src/_05_capabilities.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     filesystem: FS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `execute_command`
[INFO] [stderr]   --> src/_05_capabilities.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     execute_command: EC,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `channel`
[INFO] [stderr]   --> src/_06_channel.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     channel: Chan,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]    --> src/_07_split_mut.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         x: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]    --> src/_07_split_mut.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         y: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]    --> src/_07_split_mut.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         w: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]    --> src/_07_split_mut.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         h: u32,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `accessible_fields`
[INFO] [stderr]    --> src/_07_split_mut.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         accessible_fields: ConstWrapper<I>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `range`
[INFO] [stderr]   --> src/_08_ranged_int.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     range: ConstWrapper<R>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/_08_ranged_int.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     n: <UnwrapConst<R> as RangeTypes>::Stored,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]    --> src/_09_type_hof.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     value: T,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `_04_typesafe_builder::AnimalBuilder_Ty<type_level_values::const_wrapper::ConstWrapper<I>>` does not permit being left uninitialized
[INFO] [stderr]   --> src/_04_typesafe_builder.rs:78:18
[INFO] [stderr]    |
[INFO] [stderr] 78 |         unsafe { mem::uninitialized() }
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this code causes undefined behavior when executed
[INFO] [stderr]    |                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/type_level_examples-5d279e5ad600c08e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/type_level_examples-fb4f442bb3eb739f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests type_level_examples
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/_08_ranged_int.rs - _08_ranged_int::RangedIntR_Ty (line 86) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/_08_ranged_int.rs - _08_ranged_int::RangedIntR_Ty (line 86) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `ConstRange`
[INFO] [stdout]  --> src/_08_ranged_int.rs:87:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | The ConstRange also determines the integer type stored.
[INFO] [stdout]   |     ^^^^^^^^^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/_08_ranged_int.rs - _08_ranged_int::RangedIntR_Ty (line 86)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "21825c162376d5d1919828afb282e0f0e5c7e0b4fe10ca0ac7b84b77c8abee5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21825c162376d5d1919828afb282e0f0e5c7e0b4fe10ca0ac7b84b77c8abee5a", kill_on_drop: false }`
[INFO] [stdout] 21825c162376d5d1919828afb282e0f0e5c7e0b4fe10ca0ac7b84b77c8abee5a
