[INFO] cloning repository https://github.com/psatomas/data-types
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/data-types" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fdata-types", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fdata-types'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 722c4d8b1fa63352dfec992edeef84b8d59a35d5
[INFO] checking psatomas/data-types against e3607d549209cc9fdfe7e907123b4185210e2c2b for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fdata-types" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/data-types
[INFO] finished tweaking git repo https://github.com/psatomas/data-types
[INFO] tweaked toml for git repo https://github.com/psatomas/data-types written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/data-types on toolchain e3607d549209cc9fdfe7e907123b4185210e2c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/data-types already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `and_with_ampersand_operators` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../and_with_ampersand_operators
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `and-with-ampersand-operators`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/and_with_ampersand_operators.rs
[INFO] [stderr] 1 + src/bin/and-with-ampersand-operators.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `augmented_assignment_operator` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../augmented_assignment_operator
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `augmented-assignment-operator`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/augmented_assignment_operator.rs
[INFO] [stderr] 1 + src/bin/augmented-assignment-operator.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `boolean_inversion_with_exclamation_mark` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../boolean_inversion_with_exclamation_mark
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `boolean-inversion-with-exclamation-mark`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/boolean_inversion_with_exclamation_mark.rs
[INFO] [stderr] 1 + src/bin/boolean-inversion-with-exclamation-mark.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `casting_types_with_the_as_keyword` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../casting_types_with_the_as_keyword
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `casting-types-with-the-as-keyword`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/casting_types_with_the_as_keyword.rs
[INFO] [stderr] 1 + src/bin/casting-types-with-the-as-keyword.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `equality_and_inequality_operators` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../equality_and_inequality_operators
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `equality-and-inequality-operators`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/equality_and_inequality_operators.rs
[INFO] [stderr] 1 + src/bin/equality-and-inequality-operators.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `floating_point_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../floating_point_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `floating-point-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/floating_point_types.rs
[INFO] [stderr] 1 + src/bin/floating-point-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `formatting_floats_with_format_specifiers` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../formatting_floats_with_format_specifiers
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `formatting-floats-with-format-specifiers`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/formatting_floats_with_format_specifiers.rs
[INFO] [stderr] 1 + src/bin/formatting-floats-with-format-specifiers.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_booleans` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../intro_to_booleans
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-booleans`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_booleans.rs
[INFO] [stderr] 1 + src/bin/intro-to-booleans.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_generics` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../intro_to_generics
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-generics`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_generics.rs
[INFO] [stderr] 1 + src/bin/intro-to-generics.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_methods` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../intro_to_methods
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-methods`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_methods.rs
[INFO] [stderr] 1 + src/bin/intro-to-methods.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `math_operations` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../math_operations
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `math-operations`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/math_operations.rs
[INFO] [stderr] 1 + src/bin/math-operations.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `or_with_vertical_pipes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../or_with_vertical_pipes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `or-with-vertical-pipes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/or_with_vertical_pipes.rs
[INFO] [stderr] 1 + src/bin/or-with-vertical-pipes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `ranges_and_range_iteration` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../ranges_and_range_iteration
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `ranges-and-range-iteration`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/ranges_and_range_iteration.rs
[INFO] [stderr] 1 + src/bin/ranges-and-range-iteration.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `reading_and_writing_array_elements` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../reading_and_writing_array_elements
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `reading-and-writing-array-elements`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/reading_and_writing_array_elements.rs
[INFO] [stderr] 1 + src/bin/reading-and-writing-array-elements.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `strings_and_raw_strings` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../strings_and_raw_strings
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `strings-and-raw-strings`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/strings_and_raw_strings.rs
[INFO] [stderr] 1 + src/bin/strings-and-raw-strings.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_array_type` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_array_type
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-array-type`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_array_type.rs
[INFO] [stderr] 1 + src/bin/the-array-type.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_character_type` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_character_type
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-character-type`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_character_type.rs
[INFO] [stderr] 1 + src/bin/the-character-type.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_dbg_macro` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_dbg_macro
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-dbg-macro`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_dbg_macro.rs
[INFO] [stderr] 1 + src/bin/the-dbg-macro.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_debug_trait` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_debug_trait
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-debug-trait`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_debug_trait.rs
[INFO] [stderr] 1 + src/bin/the-debug-trait.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_display_trait` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_display_trait
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-display-trait`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_display_trait.rs
[INFO] [stderr] 1 + src/bin/the-display-trait.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_tuple_type` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_tuple_type
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-tuple-type`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_tuple_type.rs
[INFO] [stderr] 1 + src/bin/the-tuple-type.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_usize_and_isize_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../the_usize_and_isize_types
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-usize-and-isize-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_usize_and_isize_types.rs
[INFO] [stderr] 1 + src/bin/the-usize-and-isize-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `using_underscore_as_visual_separator_for_numbers` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../using_underscore_as_visual_separator_for_numbers
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `using-underscore-as-visual-separator-for-numbers`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/using_underscore_as_visual_separator_for_numbers.rs
[INFO] [stderr] 1 + src/bin/using-underscore-as-visual-separator-for-numbers.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `data-types` (manifest) generated 23 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c
[INFO] running `Command { std: "docker" "start" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `and_with_ampersand_operators` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../and_with_ampersand_operators
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `and-with-ampersand-operators`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/and_with_ampersand_operators.rs
[INFO] [stderr] 1 + src/bin/and-with-ampersand-operators.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `augmented_assignment_operator` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../augmented_assignment_operator
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `augmented-assignment-operator`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/augmented_assignment_operator.rs
[INFO] [stderr] 1 + src/bin/augmented-assignment-operator.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `boolean_inversion_with_exclamation_mark` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../boolean_inversion_with_exclamation_mark
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `boolean-inversion-with-exclamation-mark`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/boolean_inversion_with_exclamation_mark.rs
[INFO] [stderr] 1 + src/bin/boolean-inversion-with-exclamation-mark.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `casting_types_with_the_as_keyword` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../casting_types_with_the_as_keyword
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `casting-types-with-the-as-keyword`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/casting_types_with_the_as_keyword.rs
[INFO] [stderr] 1 + src/bin/casting-types-with-the-as-keyword.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `equality_and_inequality_operators` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../equality_and_inequality_operators
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `equality-and-inequality-operators`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/equality_and_inequality_operators.rs
[INFO] [stderr] 1 + src/bin/equality-and-inequality-operators.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `floating_point_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../floating_point_types
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `floating-point-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/floating_point_types.rs
[INFO] [stderr] 1 + src/bin/floating-point-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `formatting_floats_with_format_specifiers` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../formatting_floats_with_format_specifiers
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `formatting-floats-with-format-specifiers`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/formatting_floats_with_format_specifiers.rs
[INFO] [stderr] 1 + src/bin/formatting-floats-with-format-specifiers.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_booleans` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../intro_to_booleans
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-booleans`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_booleans.rs
[INFO] [stderr] 1 + src/bin/intro-to-booleans.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_generics` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../intro_to_generics
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-generics`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_generics.rs
[INFO] [stderr] 1 + src/bin/intro-to-generics.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_methods` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../intro_to_methods
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-methods`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_methods.rs
[INFO] [stderr] 1 + src/bin/intro-to-methods.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `math_operations` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../math_operations
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `math-operations`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/math_operations.rs
[INFO] [stderr] 1 + src/bin/math-operations.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `or_with_vertical_pipes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../or_with_vertical_pipes
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `or-with-vertical-pipes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/or_with_vertical_pipes.rs
[INFO] [stderr] 1 + src/bin/or-with-vertical-pipes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `ranges_and_range_iteration` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../ranges_and_range_iteration
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `ranges-and-range-iteration`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/ranges_and_range_iteration.rs
[INFO] [stderr] 1 + src/bin/ranges-and-range-iteration.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `reading_and_writing_array_elements` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../reading_and_writing_array_elements
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `reading-and-writing-array-elements`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/reading_and_writing_array_elements.rs
[INFO] [stderr] 1 + src/bin/reading-and-writing-array-elements.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `strings_and_raw_strings` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../strings_and_raw_strings
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `strings-and-raw-strings`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/strings_and_raw_strings.rs
[INFO] [stderr] 1 + src/bin/strings-and-raw-strings.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_array_type` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_array_type
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-array-type`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_array_type.rs
[INFO] [stderr] 1 + src/bin/the-array-type.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_character_type` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_character_type
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-character-type`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_character_type.rs
[INFO] [stderr] 1 + src/bin/the-character-type.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_dbg_macro` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_dbg_macro
[INFO] [stderr]   |                          ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-dbg-macro`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_dbg_macro.rs
[INFO] [stderr] 1 + src/bin/the-dbg-macro.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_debug_trait` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_debug_trait
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-debug-trait`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_debug_trait.rs
[INFO] [stderr] 1 + src/bin/the-debug-trait.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_display_trait` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_display_trait
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-display-trait`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_display_trait.rs
[INFO] [stderr] 1 + src/bin/the-display-trait.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_tuple_type` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_tuple_type
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-tuple-type`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_tuple_type.rs
[INFO] [stderr] 1 + src/bin/the-tuple-type.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_usize_and_isize_types` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_usize_and_isize_types
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-usize-and-isize-types`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_usize_and_isize_types.rs
[INFO] [stderr] 1 + src/bin/the-usize-and-isize-types.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `using_underscore_as_visual_separator_for_numbers` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../using_underscore_as_visual_separator_for_numbers
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `using-underscore-as-visual-separator-for-numbers`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/using_underscore_as_visual_separator_for_numbers.rs
[INFO] [stderr] 1 + src/bin/using-underscore-as-visual-separator-for-numbers.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `data-types` (manifest) generated 23 warnings
[INFO] [stderr]     Checking data-types v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `miles_away_i8`
[INFO] [stdout]  --> src/bin/casting_types_with_the_as_keyword.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let miles_away_i8 = miles_away as i8;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_miles_away_i8`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seasons`
[INFO] [stdout]  --> src/bin/the_display_trait.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let seasons = ["Spring", "Summer", "Fall", "Winter"];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seasons`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seasons`
[INFO] [stdout]  --> src/bin/the_display_trait.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let seasons = ["Spring", "Summer", "Fall", "Winter"];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seasons`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `miles_away_u8`
[INFO] [stdout]  --> src/bin/casting_types_with_the_as_keyword.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let miles_away_u8: u8 = miles_away as u8;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_miles_away_u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `miles_away_f32`
[INFO] [stdout]  --> src/bin/casting_types_with_the_as_keyword.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let miles_away_f32 = miles_away as f32;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_miles_away_f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/using_underscore_as_visual_separator_for_numbers.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let sixteen_bit_signed: i16 = 32_500;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `days`
[INFO] [stdout]  --> src/bin/the_usize_and_isize_types.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let days: usize = 55;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_days`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `days`
[INFO] [stdout]  --> src/bin/the_usize_and_isize_types.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let days: usize = 55;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_days`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `years`
[INFO] [stdout]  --> src/bin/the_usize_and_isize_types.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let years: isize = -15_000;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_years`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `years`
[INFO] [stdout]  --> src/bin/the_usize_and_isize_types.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let years: isize = -15_000;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_years`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/using_underscore_as_visual_separator_for_numbers.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let sixteen_bit_signed: i16 = -3_2_500;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/using_underscore_as_visual_separator_for_numbers.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let sixteen_bit_signed: i16 = -3_2_5_00;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/using_underscore_as_visual_separator_for_numbers.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let sixteen_bit_signed: i16 = 32_500;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/using_underscore_as_visual_separator_for_numbers.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let sixteen_bit_signed: i16 = -3_2_500;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/using_underscore_as_visual_separator_for_numbers.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let sixteen_bit_signed: i16 = -3_2_5_00;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/integers.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let sixteen_bit_signed: i16 = -32500;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_unsigned`
[INFO] [stdout]  --> src/bin/integers.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let sixteen_bit_unsigned: u16 = 64000;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thirty_two_bit_signed`
[INFO] [stdout]  --> src/bin/integers.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let thirty_two_bit_signed: i32 = -2147483648;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thirty_two_bit_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thirty_two_bit_unsigned`
[INFO] [stdout]  --> src/bin/integers.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let thirty_two_bit_unsigned: u32 = 4294967295;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thirty_two_bit_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_value`
[INFO] [stdout]  --> src/bin/integers.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let some_value = 20u16;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_signed`
[INFO] [stdout]  --> src/bin/integers.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let sixteen_bit_signed: i16 = -32500;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_signed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sixteen_bit_unsigned`
[INFO] [stdout]  --> src/bin/integers.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let sixteen_bit_unsigned: u16 = 64000;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sixteen_bit_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thirty_two_bit_signed`
[INFO] [stdout]  --> src/bin/integers.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let thirty_two_bit_signed: i32 = -2147483648;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thirty_two_bit_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thirty_two_bit_unsigned`
[INFO] [stdout]  --> src/bin/integers.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let thirty_two_bit_unsigned: u32 = 4294967295;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thirty_two_bit_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_value`
[INFO] [stdout]  --> src/bin/integers.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let some_value = 20u16;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `month_days`
[INFO] [stdout]  --> src/bin/intro_to_generics.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let month_days: std::ops::Range<i32> = 1..31;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_month_days`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letters`
[INFO] [stdout]  --> src/bin/intro_to_generics.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let letters: std::ops::Range<char> = 'b'..'f';
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_letters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `month_days`
[INFO] [stdout]  --> src/bin/intro_to_generics.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let month_days: std::ops::Range<i32> = 1..31;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_month_days`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letters`
[INFO] [stdout]  --> src/bin/intro_to_generics.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let letters: std::ops::Range<char> = 'b'..'f';
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_letters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/bin/the_array_type.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let numbers: [i32; 6] = [4, 8, 15, 16, 23, 42];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `currency_rates`
[INFO] [stdout]  --> src/bin/the_array_type.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let currency_rates: [f64; 0] = [];
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_currency_rates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/bin/the_array_type.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let numbers: [i32; 6] = [4, 8, 15, 16, 23, 42];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `currency_rates`
[INFO] [stdout]  --> src/bin/the_array_type.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let currency_rates: [f64; 0] = [];
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_currency_rates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `miles_away_i8`
[INFO] [stdout]  --> src/bin/casting_types_with_the_as_keyword.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let miles_away_i8 = miles_away as i8;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_miles_away_i8`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `miles_away_u8`
[INFO] [stdout]  --> src/bin/casting_types_with_the_as_keyword.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let miles_away_u8: u8 = miles_away as u8;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_miles_away_u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `miles_away_f32`
[INFO] [stdout]  --> src/bin/casting_types_with_the_as_keyword.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let miles_away_f32 = miles_away as f32;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_miles_away_f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_acceptable_coffe`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let is_acceptable_coffe = with_milk || with_sugar;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_acceptable_coffe`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_acceptable_coffe`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let is_acceptable_coffe = with_milk || with_sugar;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_acceptable_coffe`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c", kill_on_drop: false }`
[INFO] [stdout] 7d644c79af58937f998d42d6ac02eced8ed637213811412e68a63523499e161c
