[INFO] fetching crate type_level_examples 0.1.0... [INFO] checking type_level_examples-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate type_level_examples 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate type_level_examples 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [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-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive_type_level v0.1.0 [INFO] [stderr] Downloaded type_level_values v0.1.2 [INFO] [stderr] Downloaded derive_type_level_lib v0.1.0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5eca72f3623b13bc537caa719f6cf0379846ca1d181a080413212b9f32cac3ae [INFO] running `"docker" "start" "-a" "5eca72f3623b13bc537caa719f6cf0379846ca1d181a080413212b9f32cac3ae"` [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling core_extensions v0.1.7 [INFO] [stderr] Compiling derive_type_level_lib v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking regex v1.3.1 [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] [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: 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 item '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: use of deprecated item '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 used: `list` [INFO] [stderr] --> src/_01_deserialize_uninitialized.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | list: Vec, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `mutability` [INFO] [stderr] --> src/_02_mut_wrapper.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | mutability: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `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 used: `marker` [INFO] [stderr] --> src/_03_vis_wrapper.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | marker: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `years_lived` [INFO] [stderr] --> src/_04_typesafe_builder.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | years_lived: ManuallyDrop, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `children` [INFO] [stderr] --> src/_04_typesafe_builder.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | children: ManuallyDrop, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `family` [INFO] [stderr] --> src/_04_typesafe_builder.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | family: ManuallyDrop, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `accessible_fields` [INFO] [stderr] --> src/_07_split_mut.rs:235:9 [INFO] [stderr] | [INFO] [stderr] 235 | accessible_fields: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `range` [INFO] [stderr] --> src/_08_ranged_int.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | range: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `n` [INFO] [stderr] --> src/_08_ranged_int.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | n: as RangeTypes>::Stored, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `list` [INFO] [stderr] --> src/_01_deserialize_uninitialized.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | list: Vec, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `mutability` [INFO] [stderr] --> src/_02_mut_wrapper.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | mutability: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `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 used: `marker` [INFO] [stderr] --> src/_03_vis_wrapper.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | marker: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `years_lived` [INFO] [stderr] --> src/_04_typesafe_builder.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | years_lived: ManuallyDrop, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `children` [INFO] [stderr] --> src/_04_typesafe_builder.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | children: ManuallyDrop, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `family` [INFO] [stderr] --> src/_04_typesafe_builder.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | family: ManuallyDrop, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `accessible_fields` [INFO] [stderr] --> src/_07_split_mut.rs:235:9 [INFO] [stderr] | [INFO] [stderr] 235 | accessible_fields: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `range` [INFO] [stderr] --> src/_08_ranged_int.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | range: ConstWrapper, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `n` [INFO] [stderr] --> src/_08_ranged_int.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | n: as RangeTypes>::Stored, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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>` 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` instead [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: std::ptr::Unique must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] warning: the type `_04_typesafe_builder::AnimalBuilder_Ty>` 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` instead [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: std::ptr::Unique must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.18s [INFO] running `"docker" "inspect" "5eca72f3623b13bc537caa719f6cf0379846ca1d181a080413212b9f32cac3ae"` [INFO] running `"docker" "rm" "-f" "5eca72f3623b13bc537caa719f6cf0379846ca1d181a080413212b9f32cac3ae"` [INFO] [stdout] 5eca72f3623b13bc537caa719f6cf0379846ca1d181a080413212b9f32cac3ae