Nov 28 02:46:07.724 INFO checking kanishkd4/Rust-by-example against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:46:07.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 02:46:08.248 INFO [stdout] f9ccae5bda94811472dede8e5d8ca0aee4ab6b0f2e3be3c29cb8fadd2ea7eba6
Nov 28 02:46:08.250 INFO running `"docker" "start" "-a" "f9ccae5bda94811472dede8e5d8ca0aee4ab6b0f2e3be3c29cb8fadd2ea7eba6"`
Nov 28 02:46:09.525 INFO [stderr] usermod: no changes
Nov 28 02:46:09.607 INFO [stderr]     Checking rust-by-example v0.1.0 (/source)
Nov 28 02:46:10.391 INFO [stderr] warning: function is never used: `printer`
Nov 28 02:46:10.392 INFO [stderr]  --> src/bin/c14_generics_bounds_where.rs:7:1
Nov 28 02:46:10.392 INFO [stderr]   |
Nov 28 02:46:10.392 INFO [stderr] 7 | fn printer<T: Display>(t: T) {
Nov 28 02:46:10.392 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.392 INFO [stderr]   |
Nov 28 02:46:10.392 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 02:46:10.392 INFO [stderr] 
Nov 28 02:46:10.392 INFO [stderr] warning: struct is never constructed: `s`
Nov 28 02:46:10.393 INFO [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:1
Nov 28 02:46:10.393 INFO [stderr]    |
Nov 28 02:46:10.393 INFO [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
Nov 28 02:46:10.393 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.393 INFO [stderr] 
Nov 28 02:46:10.393 INFO [stderr] warning: type `s` should have a camel case name such as `S`
Nov 28 02:46:10.393 INFO [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:1
Nov 28 02:46:10.393 INFO [stderr]    |
Nov 28 02:46:10.394 INFO [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
Nov 28 02:46:10.394 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.394 INFO [stderr]    |
Nov 28 02:46:10.394 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 28 02:46:10.394 INFO [stderr] 
Nov 28 02:46:10.853 INFO [stderr] warning: function is never used: `foo`
Nov 28 02:46:10.853 INFO [stderr]  --> src/bin/c14_generics_functions_impl_traits.rs:8:1
Nov 28 02:46:10.854 INFO [stderr]   |
Nov 28 02:46:10.854 INFO [stderr] 8 | fn foo<T>(_arg: T) {} // becuase T has been specified as a generic type parameter using <T>, 
Nov 28 02:46:10.854 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.855 INFO [stderr]   |
Nov 28 02:46:10.855 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 02:46:10.855 INFO [stderr] 
Nov 28 02:46:10.855 INFO [stderr] warning: struct is never constructed: `S`
Nov 28 02:46:10.855 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:48:1
Nov 28 02:46:10.856 INFO [stderr]    |
Nov 28 02:46:10.856 INFO [stderr] 48 | struct S(A); // concrete type S that takes concrete type A defined above // commented for struct S below
Nov 28 02:46:10.856 INFO [stderr]    | ^^^^^^^^^^^^
Nov 28 02:46:10.857 INFO [stderr] 
Nov 28 02:46:10.857 INFO [stderr] warning: struct is never constructed: `SGen`
Nov 28 02:46:10.857 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:49:1
Nov 28 02:46:10.857 INFO [stderr]    |
Nov 28 02:46:10.858 INFO [stderr] 49 | struct SGen<T>(T); // Generic type SGen
Nov 28 02:46:10.858 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.858 INFO [stderr] 
Nov 28 02:46:10.858 INFO [stderr] warning: function is never used: `reg_fn`
Nov 28 02:46:10.859 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:51:1
Nov 28 02:46:10.859 INFO [stderr]    |
Nov 28 02:46:10.859 INFO [stderr] 51 | fn reg_fn(_s: S) {} // a regular function that takes an argument of type S - not a generic function
Nov 28 02:46:10.859 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 02:46:10.860 INFO [stderr] 
Nov 28 02:46:10.860 INFO [stderr] warning: function is never used: `gen_spec_t`
Nov 28 02:46:10.860 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:53:1
Nov 28 02:46:10.861 INFO [stderr]    |
Nov 28 02:46:10.861 INFO [stderr] 53 | fn gen_spec_t(_s: SGen<A>) {} // this is also not a generic as SGen has been given the type A
Nov 28 02:46:10.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.861 INFO [stderr] 
Nov 28 02:46:10.862 INFO [stderr] warning: function is never used: `gen_spec_i32`
Nov 28 02:46:10.862 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:54:1
Nov 28 02:46:10.862 INFO [stderr]    |
Nov 28 02:46:10.862 INFO [stderr] 54 | fn gen_spec_i32(_s: SGen<i32>) {} // this is also not a generic
Nov 28 02:46:10.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.863 INFO [stderr] 
Nov 28 02:46:10.863 INFO [stderr] warning: function is never used: `generic`
Nov 28 02:46:10.863 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:55:1
Nov 28 02:46:10.864 INFO [stderr]    |
Nov 28 02:46:10.864 INFO [stderr] 55 | fn generic<T>(_s: SGen<T>) {} // a generic function
Nov 28 02:46:10.864 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.865 INFO [stderr] 
Nov 28 02:46:10.865 INFO [stderr] warning: struct is never constructed: `S1`
Nov 28 02:46:10.865 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:59:1
Nov 28 02:46:10.865 INFO [stderr]    |
Nov 28 02:46:10.866 INFO [stderr] 59 | struct S1; // concrete type S
Nov 28 02:46:10.866 INFO [stderr]    | ^^^^^^^^^^
Nov 28 02:46:10.866 INFO [stderr] 
Nov 28 02:46:10.866 INFO [stderr] warning: struct is never constructed: `GenericVal`
Nov 28 02:46:10.867 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:60:1
Nov 28 02:46:10.867 INFO [stderr]    |
Nov 28 02:46:10.867 INFO [stderr] 60 | struct GenericVal<T>(T, ); // Generic type GenericVal
Nov 28 02:46:10.867 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:10.868 INFO [stderr] 
Nov 28 02:46:12.060 INFO [stderr] warning: variable `Food` should have a snake case name such as `food`
Nov 28 02:46:12.060 INFO [stderr]   --> src/bin/c18_error_option_unwrap.rs:81:21
Nov 28 02:46:12.060 INFO [stderr]    |
Nov 28 02:46:12.060 INFO [stderr] 81 |         Some(Peeled(Food)) => Some(Chopped(Food)),
Nov 28 02:46:12.060 INFO [stderr]    |                     ^^^^
Nov 28 02:46:12.060 INFO [stderr]    |
Nov 28 02:46:12.060 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 02:46:12.060 INFO [stderr] 
Nov 28 02:46:12.060 INFO [stderr] warning: variable `Food` should have a snake case name such as `food`
Nov 28 02:46:12.060 INFO [stderr]   --> src/bin/c18_error_option_unwrap.rs:87:26
Nov 28 02:46:12.060 INFO [stderr]    |
Nov 28 02:46:12.060 INFO [stderr] 87 |     chopped.map(|Chopped(Food)| Cooked(Food))
Nov 28 02:46:12.060 INFO [stderr]    |                          ^^^^
Nov 28 02:46:12.060 INFO [stderr] 
Nov 28 02:46:12.657 INFO [stderr] warning: unused import: `std::iter`
Nov 28 02:46:12.657 INFO [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:37:9
Nov 28 02:46:12.657 INFO [stderr]    |
Nov 28 02:46:12.657 INFO [stderr] 37 |     use std::iter;
Nov 28 02:46:12.657 INFO [stderr]    |         ^^^^^^^^^
Nov 28 02:46:12.657 INFO [stderr]    |
Nov 28 02:46:12.657 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 02:46:12.657 INFO [stderr] 
Nov 28 02:46:13.088 INFO [stderr] warning: function is never used: `add_assign`
Nov 28 02:46:13.088 INFO [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9
Nov 28 02:46:13.088 INFO [stderr]    |
Nov 28 02:46:13.088 INFO [stderr] 21 |         fn $func<T: $bound<T, Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>) {
Nov 28 02:46:13.088 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:13.088 INFO [stderr] ...
Nov 28 02:46:13.088 INFO [stderr] 32 | op!(add_assign, Add, +=, add);
Nov 28 02:46:13.088 INFO [stderr]    | ------------------------------ in this macro invocation
Nov 28 02:46:13.104 INFO [stderr]    |
Nov 28 02:46:13.104 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:13.104 INFO [stderr] 
Nov 28 02:46:13.104 INFO [stderr] warning: function is never used: `mul_assign`
Nov 28 02:46:13.104 INFO [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9
Nov 28 02:46:13.104 INFO [stderr]    |
Nov 28 02:46:13.105 INFO [stderr] 21 |         fn $func<T: $bound<T, Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>) {
Nov 28 02:46:13.105 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:13.105 INFO [stderr] ...
Nov 28 02:46:13.105 INFO [stderr] 33 | op!(mul_assign, Mul, *=, mul);
Nov 28 02:46:13.105 INFO [stderr]    | ------------------------------ in this macro invocation
Nov 28 02:46:13.105 INFO [stderr] 
Nov 28 02:46:13.105 INFO [stderr] warning: function is never used: `sub_assign`
Nov 28 02:46:13.105 INFO [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9
Nov 28 02:46:13.105 INFO [stderr]    |
Nov 28 02:46:13.105 INFO [stderr] 21 |         fn $func<T: $bound<T, Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>) {
Nov 28 02:46:13.105 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:13.105 INFO [stderr] ...
Nov 28 02:46:13.105 INFO [stderr] 34 | op!(sub_assign, Sub, -=, sub);  
Nov 28 02:46:13.105 INFO [stderr]    | ------------------------------ in this macro invocation
Nov 28 02:46:13.105 INFO [stderr] 
Nov 28 02:46:13.799 INFO [stderr] warning: field is never used: `p1`
Nov 28 02:46:13.799 INFO [stderr]   --> src/bin/c3_custom_types_structs.rs:25:5
Nov 28 02:46:13.799 INFO [stderr]    |
Nov 28 02:46:13.799 INFO [stderr] 25 |     p1: Point,
Nov 28 02:46:13.799 INFO [stderr]    |     ^^^^^^^^^
Nov 28 02:46:13.799 INFO [stderr]    |
Nov 28 02:46:13.799 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:13.799 INFO [stderr] 
Nov 28 02:46:13.799 INFO [stderr] warning: field is never used: `p2`
Nov 28 02:46:13.799 INFO [stderr]   --> src/bin/c3_custom_types_structs.rs:26:5
Nov 28 02:46:13.799 INFO [stderr]    |
Nov 28 02:46:13.799 INFO [stderr] 26 |     p2: Point,
Nov 28 02:46:13.799 INFO [stderr]    |     ^^^^^^^^^
Nov 28 02:46:13.799 INFO [stderr] 
Nov 28 02:46:14.248 INFO [stderr] warning: struct is never constructed: `Deep`
Nov 28 02:46:14.248 INFO [stderr]   --> src/bin/c1_formatted_print.rs:34:1
Nov 28 02:46:14.248 INFO [stderr]    |
Nov 28 02:46:14.249 INFO [stderr] 34 | struct Deep(Structure);
Nov 28 02:46:14.249 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:14.249 INFO [stderr]    |
Nov 28 02:46:14.249 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:14.249 INFO [stderr] 
Nov 28 02:46:14.884 INFO [stderr] warning: function is never used: `foo`
Nov 28 02:46:14.884 INFO [stderr]   --> src/bin/c9_higher_order_diverging_functions.rs:44:1
Nov 28 02:46:14.884 INFO [stderr]    |
Nov 28 02:46:14.884 INFO [stderr] 44 | fn foo() -> ! {
Nov 28 02:46:14.884 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 28 02:46:14.884 INFO [stderr]    |
Nov 28 02:46:14.884 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:14.884 INFO [stderr] 
Nov 28 02:46:17.976 INFO [stderr] warning: function is never used: `foo`
Nov 28 02:46:17.976 INFO [stderr]  --> src/bin/c14_generics_functions_impl_traits.rs:8:1
Nov 28 02:46:17.976 INFO [stderr]   |
Nov 28 02:46:17.976 INFO [stderr] 8 | fn foo<T>(_arg: T) {} // becuase T has been specified as a generic type parameter using <T>, 
Nov 28 02:46:17.976 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 28 02:46:17.976 INFO [stderr]   |
Nov 28 02:46:17.976 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 02:46:17.976 INFO [stderr] 
Nov 28 02:46:17.976 INFO [stderr] warning: struct is never constructed: `S`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:48:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 48 | struct S(A); // concrete type S that takes concrete type A defined above // commented for struct S below
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: struct is never constructed: `SGen`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:49:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 49 | struct SGen<T>(T); // Generic type SGen
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: function is never used: `reg_fn`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:51:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 51 | fn reg_fn(_s: S) {} // a regular function that takes an argument of type S - not a generic function
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: function is never used: `gen_spec_t`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:53:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 53 | fn gen_spec_t(_s: SGen<A>) {} // this is also not a generic as SGen has been given the type A
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: function is never used: `gen_spec_i32`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:54:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 54 | fn gen_spec_i32(_s: SGen<i32>) {} // this is also not a generic
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: function is never used: `generic`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:55:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 55 | fn generic<T>(_s: SGen<T>) {} // a generic function
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: struct is never constructed: `S1`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:59:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 59 | struct S1; // concrete type S
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:17.977 INFO [stderr] warning: struct is never constructed: `GenericVal`
Nov 28 02:46:17.977 INFO [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:60:1
Nov 28 02:46:17.977 INFO [stderr]    |
Nov 28 02:46:17.977 INFO [stderr] 60 | struct GenericVal<T>(T, ); // Generic type GenericVal
Nov 28 02:46:17.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:17.977 INFO [stderr] 
Nov 28 02:46:18.016 INFO [stderr] warning: struct is never constructed: `Deep`
Nov 28 02:46:18.016 INFO [stderr]   --> src/bin/c1_formatted_print.rs:34:1
Nov 28 02:46:18.016 INFO [stderr]    |
Nov 28 02:46:18.016 INFO [stderr] 34 | struct Deep(Structure);
Nov 28 02:46:18.016 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:18.016 INFO [stderr]    |
Nov 28 02:46:18.016 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:18.016 INFO [stderr] 
Nov 28 02:46:19.989 INFO [stderr] warning: type `web_event` should have a camel case name such as `WebEvent`
Nov 28 02:46:19.989 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:6:1
Nov 28 02:46:19.989 INFO [stderr]    |
Nov 28 02:46:19.990 INFO [stderr] 6  | / enum web_event {
Nov 28 02:46:19.990 INFO [stderr] 7  | |     // an enum can be unit like
Nov 28 02:46:19.990 INFO [stderr] 8  | |     page_load,
Nov 28 02:46:19.990 INFO [stderr] 9  | |     page_unload,
Nov 28 02:46:19.991 INFO [stderr] ...  |
Nov 28 02:46:19.991 INFO [stderr] 14 | |     click { x: i64, y: i64 },
Nov 28 02:46:19.991 INFO [stderr] 15 | | }
Nov 28 02:46:19.991 INFO [stderr]    | |_^
Nov 28 02:46:20.002 INFO [stderr]    |
Nov 28 02:46:20.002 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 28 02:46:20.003 INFO [stderr] 
Nov 28 02:46:20.003 INFO [stderr] warning: variant `page_load` should have a camel case name such as `PageLoad`
Nov 28 02:46:20.003 INFO [stderr]  --> src/bin/c3_custom_types_enums1.rs:8:5
Nov 28 02:46:20.003 INFO [stderr]   |
Nov 28 02:46:20.004 INFO [stderr] 8 |     page_load,
Nov 28 02:46:20.004 INFO [stderr]   |     ^^^^^^^^^
Nov 28 02:46:20.004 INFO [stderr] 
Nov 28 02:46:20.004 INFO [stderr] warning: variant `page_unload` should have a camel case name such as `PageUnload`
Nov 28 02:46:20.005 INFO [stderr]  --> src/bin/c3_custom_types_enums1.rs:9:5
Nov 28 02:46:20.005 INFO [stderr]   |
Nov 28 02:46:20.005 INFO [stderr] 9 |     page_unload,
Nov 28 02:46:20.006 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 02:46:20.006 INFO [stderr] 
Nov 28 02:46:20.006 INFO [stderr] warning: variant `key_press` should have a camel case name such as `KeyPress`
Nov 28 02:46:20.006 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:11:5
Nov 28 02:46:20.007 INFO [stderr]    |
Nov 28 02:46:20.007 INFO [stderr] 11 |     key_press(char),
Nov 28 02:46:20.007 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 02:46:20.007 INFO [stderr] 
Nov 28 02:46:20.007 INFO [stderr] warning: variant `paste` should have a camel case name such as `Paste`
Nov 28 02:46:20.008 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:12:5
Nov 28 02:46:20.008 INFO [stderr]    |
Nov 28 02:46:20.008 INFO [stderr] 12 |     paste(String),
Nov 28 02:46:20.008 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 02:46:20.009 INFO [stderr] 
Nov 28 02:46:20.009 INFO [stderr] warning: variant `click` should have a camel case name such as `Click`
Nov 28 02:46:20.009 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:14:5
Nov 28 02:46:20.009 INFO [stderr]    |
Nov 28 02:46:20.010 INFO [stderr] 14 |     click { x: i64, y: i64 },
Nov 28 02:46:20.010 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:20.010 INFO [stderr] 
Nov 28 02:46:20.280 INFO [stderr] warning: variable `Food` should have a snake case name such as `food`
Nov 28 02:46:20.284 INFO [stderr]   --> src/bin/c18_error_option_unwrap.rs:81:21
Nov 28 02:46:20.285 INFO [stderr]    |
Nov 28 02:46:20.285 INFO [stderr] 81 |         Some(Peeled(Food)) => Some(Chopped(Food)),
Nov 28 02:46:20.285 INFO [stderr]    |                     ^^^^
Nov 28 02:46:20.285 INFO [stderr]    |
Nov 28 02:46:20.286 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 02:46:20.286 INFO [stderr] 
Nov 28 02:46:20.286 INFO [stderr] warning: variable `Food` should have a snake case name such as `food`
Nov 28 02:46:20.286 INFO [stderr]   --> src/bin/c18_error_option_unwrap.rs:87:26
Nov 28 02:46:20.287 INFO [stderr]    |
Nov 28 02:46:20.287 INFO [stderr] 87 |     chopped.map(|Chopped(Food)| Cooked(Food))
Nov 28 02:46:20.287 INFO [stderr]    |                          ^^^^
Nov 28 02:46:20.287 INFO [stderr] 
Nov 28 02:46:22.112 INFO [stderr] warning: function is never used: `foo`
Nov 28 02:46:22.112 INFO [stderr]   --> src/bin/c9_higher_order_diverging_functions.rs:44:1
Nov 28 02:46:22.112 INFO [stderr]    |
Nov 28 02:46:22.112 INFO [stderr] 44 | fn foo() -> ! {
Nov 28 02:46:22.112 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 28 02:46:22.152 INFO [stderr]    |
Nov 28 02:46:22.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:22.152 INFO [stderr] 
Nov 28 02:46:23.996 INFO [stderr] warning: type `web_event` should have a camel case name such as `WebEvent`
Nov 28 02:46:23.996 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:6:1
Nov 28 02:46:23.996 INFO [stderr]    |
Nov 28 02:46:23.996 INFO [stderr] 6  | / enum web_event {
Nov 28 02:46:23.996 INFO [stderr] 7  | |     // an enum can be unit like
Nov 28 02:46:23.996 INFO [stderr] 8  | |     page_load,
Nov 28 02:46:23.997 INFO [stderr] 9  | |     page_unload,
Nov 28 02:46:23.997 INFO [stderr] ...  |
Nov 28 02:46:23.997 INFO [stderr] 14 | |     click { x: i64, y: i64 },
Nov 28 02:46:23.997 INFO [stderr] 15 | | }
Nov 28 02:46:23.997 INFO [stderr]    | |_^
Nov 28 02:46:23.997 INFO [stderr]    |
Nov 28 02:46:23.997 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 28 02:46:23.997 INFO [stderr] 
Nov 28 02:46:23.997 INFO [stderr] warning: variant `page_load` should have a camel case name such as `PageLoad`
Nov 28 02:46:23.997 INFO [stderr]  --> src/bin/c3_custom_types_enums1.rs:8:5
Nov 28 02:46:23.997 INFO [stderr]   |
Nov 28 02:46:23.997 INFO [stderr] 8 |     page_load,
Nov 28 02:46:23.997 INFO [stderr]   |     ^^^^^^^^^
Nov 28 02:46:23.997 INFO [stderr] 
Nov 28 02:46:23.997 INFO [stderr] warning: variant `page_unload` should have a camel case name such as `PageUnload`
Nov 28 02:46:23.997 INFO [stderr]  --> src/bin/c3_custom_types_enums1.rs:9:5
Nov 28 02:46:23.997 INFO [stderr]   |
Nov 28 02:46:23.997 INFO [stderr] 9 |     page_unload,
Nov 28 02:46:23.997 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 02:46:23.997 INFO [stderr] 
Nov 28 02:46:23.997 INFO [stderr] warning: variant `key_press` should have a camel case name such as `KeyPress`
Nov 28 02:46:23.997 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:11:5
Nov 28 02:46:23.997 INFO [stderr]    |
Nov 28 02:46:23.997 INFO [stderr] 11 |     key_press(char),
Nov 28 02:46:23.997 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 02:46:23.997 INFO [stderr] 
Nov 28 02:46:23.997 INFO [stderr] warning: variant `paste` should have a camel case name such as `Paste`
Nov 28 02:46:23.997 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:12:5
Nov 28 02:46:23.997 INFO [stderr]    |
Nov 28 02:46:23.997 INFO [stderr] 12 |     paste(String),
Nov 28 02:46:23.997 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 02:46:23.997 INFO [stderr] 
Nov 28 02:46:23.997 INFO [stderr] warning: variant `click` should have a camel case name such as `Click`
Nov 28 02:46:23.997 INFO [stderr]   --> src/bin/c3_custom_types_enums1.rs:14:5
Nov 28 02:46:23.997 INFO [stderr]    |
Nov 28 02:46:23.997 INFO [stderr] 14 |     click { x: i64, y: i64 },
Nov 28 02:46:23.997 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:23.997 INFO [stderr] 
Nov 28 02:46:24.308 INFO [stderr] warning: struct is never constructed: `Matrix`
Nov 28 02:46:24.308 INFO [stderr]   --> src/bin/c2_primitives.rs:94:1
Nov 28 02:46:24.308 INFO [stderr]    |
Nov 28 02:46:24.308 INFO [stderr] 94 | struct Matrix(f32, f32, f32, f32);
Nov 28 02:46:24.308 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:24.324 INFO [stderr]    |
Nov 28 02:46:24.325 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:24.325 INFO [stderr] 
Nov 28 02:46:24.400 INFO [stderr] warning: struct is never constructed: `Matrix`
Nov 28 02:46:24.400 INFO [stderr]   --> src/bin/c2_primitives.rs:94:1
Nov 28 02:46:24.400 INFO [stderr]    |
Nov 28 02:46:24.400 INFO [stderr] 94 | struct Matrix(f32, f32, f32, f32);
Nov 28 02:46:24.400 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:24.400 INFO [stderr]    |
Nov 28 02:46:24.400 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:24.400 INFO [stderr] 
Nov 28 02:46:24.968 INFO [stderr] warning: function is never used: `printer`
Nov 28 02:46:24.968 INFO [stderr]  --> src/bin/c14_generics_bounds_where.rs:7:1
Nov 28 02:46:24.968 INFO [stderr]   |
Nov 28 02:46:24.968 INFO [stderr] 7 | fn printer<T: Display>(t: T) {
Nov 28 02:46:24.968 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:24.968 INFO [stderr]   |
Nov 28 02:46:24.968 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 02:46:24.968 INFO [stderr] 
Nov 28 02:46:24.968 INFO [stderr] warning: struct is never constructed: `s`
Nov 28 02:46:24.968 INFO [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:1
Nov 28 02:46:24.968 INFO [stderr]    |
Nov 28 02:46:24.968 INFO [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
Nov 28 02:46:24.968 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:24.968 INFO [stderr] 
Nov 28 02:46:24.968 INFO [stderr] warning: type `s` should have a camel case name such as `S`
Nov 28 02:46:24.968 INFO [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:1
Nov 28 02:46:24.968 INFO [stderr]    |
Nov 28 02:46:24.968 INFO [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
Nov 28 02:46:24.968 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:46:24.968 INFO [stderr]    |
Nov 28 02:46:24.968 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 28 02:46:24.969 INFO [stderr] 
Nov 28 02:46:25.392 INFO [stderr] warning: type alias is never used: `u64_t`
Nov 28 02:46:25.393 INFO [stderr]   --> src/bin/c5_types.rs:14:1
Nov 28 02:46:25.393 INFO [stderr]    |
Nov 28 02:46:25.393 INFO [stderr] 14 | type u64_t = u64;
Nov 28 02:46:25.393 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 02:46:25.394 INFO [stderr]    |
Nov 28 02:46:25.394 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:25.394 INFO [stderr] 
Nov 28 02:46:25.397 INFO [stderr] warning: type `u64_t` should have a camel case name such as `U64T`
Nov 28 02:46:25.397 INFO [stderr]   --> src/bin/c5_types.rs:14:1
Nov 28 02:46:25.398 INFO [stderr]    |
Nov 28 02:46:25.398 INFO [stderr] 14 | type u64_t = u64;
Nov 28 02:46:25.398 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 02:46:25.398 INFO [stderr]    |
Nov 28 02:46:25.399 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 28 02:46:25.399 INFO [stderr] 
Nov 28 02:46:25.613 INFO [stderr] warning: field is never used: `p1`
Nov 28 02:46:25.614 INFO [stderr]   --> src/bin/c3_custom_types_structs.rs:25:5
Nov 28 02:46:25.614 INFO [stderr]    |
Nov 28 02:46:25.614 INFO [stderr] 25 |     p1: Point,
Nov 28 02:46:25.614 INFO [stderr]    |     ^^^^^^^^^
Nov 28 02:46:25.632 INFO [stderr]    |
Nov 28 02:46:25.632 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:25.632 INFO [stderr] 
Nov 28 02:46:25.632 INFO [stderr] warning: field is never used: `p2`
Nov 28 02:46:25.632 INFO [stderr]   --> src/bin/c3_custom_types_structs.rs:26:5
Nov 28 02:46:25.632 INFO [stderr]    |
Nov 28 02:46:25.632 INFO [stderr] 26 |     p2: Point,
Nov 28 02:46:25.632 INFO [stderr]    |     ^^^^^^^^^
Nov 28 02:46:25.632 INFO [stderr] 
Nov 28 02:46:25.632 INFO [stderr] warning: type alias is never used: `u64_t`
Nov 28 02:46:25.632 INFO [stderr]   --> src/bin/c5_types.rs:14:1
Nov 28 02:46:25.632 INFO [stderr]    |
Nov 28 02:46:25.632 INFO [stderr] 14 | type u64_t = u64;
Nov 28 02:46:25.632 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 02:46:25.632 INFO [stderr]    |
Nov 28 02:46:25.632 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:46:25.632 INFO [stderr] 
Nov 28 02:46:25.632 INFO [stderr] warning: type `u64_t` should have a camel case name such as `U64T`
Nov 28 02:46:25.632 INFO [stderr]   --> src/bin/c5_types.rs:14:1
Nov 28 02:46:25.632 INFO [stderr]    |
Nov 28 02:46:25.632 INFO [stderr] 14 | type u64_t = u64;
Nov 28 02:46:25.632 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 02:46:25.632 INFO [stderr]    |
Nov 28 02:46:25.632 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 28 02:46:25.632 INFO [stderr] 
Nov 28 02:46:25.781 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.22s
Nov 28 02:46:25.791 INFO [stderr] su: No module specific data is present
Nov 28 02:46:26.360 INFO running `"docker" "inspect" "f9ccae5bda94811472dede8e5d8ca0aee4ab6b0f2e3be3c29cb8fadd2ea7eba6"`
Nov 28 02:46:26.616 INFO running `"docker" "rm" "-f" "f9ccae5bda94811472dede8e5d8ca0aee4ab6b0f2e3be3c29cb8fadd2ea7eba6"`
Nov 28 02:46:26.968 INFO [stdout] f9ccae5bda94811472dede8e5d8ca0aee4ab6b0f2e3be3c29cb8fadd2ea7eba6