[INFO] cloning repository kanishkd4/Rust-by-example
[INFO] running `"git" "clone" "--bare" "git://github.com/kanishkd4/Rust-by-example.git" "work/cache/sources/gh/kanishkd4/Rust-by-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kanishkd4/Rust-by-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kanishkd4/Rust-by-example" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kanishkd4/Rust-by-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kanishkd4/Rust-by-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kanishkd4/Rust-by-example" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kanishkd4/Rust-by-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kanishkd4/Rust-by-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2b88db631e7cfa65de6b348419da65cb5c3b8c7
[INFO] sha for GitHub repo kanishkd4/Rust-by-example: a2b88db631e7cfa65de6b348419da65cb5c3b8c7
[INFO] validating manifest of kanishkd4/Rust-by-example on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kanishkd4/Rust-by-example on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kanishkd4/Rust-by-example
[INFO] finished frobbing kanishkd4/Rust-by-example
[INFO] frobbed toml for kanishkd4/Rust-by-example written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kanishkd4/Rust-by-example/Cargo.toml
[INFO] started frobbing kanishkd4/Rust-by-example
[INFO] finished frobbing kanishkd4/Rust-by-example
[INFO] frobbed toml for kanishkd4/Rust-by-example written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kanishkd4/Rust-by-example/Cargo.toml
[INFO] crate kanishkd4/Rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing kanishkd4/Rust-by-example against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kanishkd4/Rust-by-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 179c9fa785f7e33aaf03ecf0265417e913693905f0d454df191439e86cd58456
[INFO] running `"docker" "start" "-a" "179c9fa785f7e33aaf03ecf0265417e913693905f0d454df191439e86cd58456"`
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `Food` should have a snake case name
[INFO] [stderr]   --> src/bin/c18_error_option_unwrap.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |         Some(Peeled(Food)) => Some(Chopped(Food)),
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `food`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Food` should have a snake case name
[INFO] [stderr]   --> src/bin/c18_error_option_unwrap.rs:87:26
[INFO] [stderr]    |
[INFO] [stderr] 87 |     chopped.map(|Chopped(Food)| Cooked(Food))
[INFO] [stderr]    |                          ^^^^ help: convert the identifier to snake case: `food`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     use std::iter;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_assign`
[INFO] [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         fn $func<T: $bound<T, Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 | op!(add_assign, Add, +=, add);
[INFO] [stderr]    | ------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_assign`
[INFO] [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         fn $func<T: $bound<T, Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 | op!(mul_assign, Mul, *=, mul);
[INFO] [stderr]    | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_assign`
[INFO] [stderr]   --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         fn $func<T: $bound<T, Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 | op!(sub_assign, Sub, -=, sub);  
[INFO] [stderr]    | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Matrix`
[INFO] [stderr]   --> src/bin/c2_primitives.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | struct Matrix(f32, f32, f32, f32);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]  --> src/bin/c14_generics_functions_impl_traits.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn foo<T>(_arg: T) {} // becuase T has been specified as a generic type parameter using <T>, 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `S`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct S(A); // concrete type S that takes concrete type A defined above // commented for struct S below
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SGen`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct SGen<T>(T); // Generic type SGen
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reg_fn`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn reg_fn(_s: S) {} // a regular function that takes an argument of type S - not a generic function
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_spec_t`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn gen_spec_t(_s: SGen<A>) {} // this is also not a generic as SGen has been given the type A
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_spec_i32`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn gen_spec_i32(_s: SGen<i32>) {} // this is also not a generic
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generic`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn generic<T>(_s: SGen<T>) {} // a generic function
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `S1`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | struct S1; // concrete type S
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GenericVal`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct GenericVal<T>(T, ); // Generic type GenericVal
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Deep`
[INFO] [stderr]   --> src/bin/c1_formatted_print.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Deep(Structure);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `p1`
[INFO] [stderr]   --> src/bin/c3_custom_types_structs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     p1: Point,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `p2`
[INFO] [stderr]   --> src/bin/c3_custom_types_structs.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     p2: Point,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `s` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
[INFO] [stderr]    |        ^ help: convert the identifier to upper camel case: `S`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printer`
[INFO] [stderr]  --> src/bin/c14_generics_bounds_where.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn printer<T: Display>(t: T) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `s`
[INFO] [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `web_event` should have an upper camel case name
[INFO] [stderr]  --> src/bin/c3_custom_types_enums1.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum web_event {
[INFO] [stderr]   |      ^^^^^^^^^ help: convert the identifier to upper camel case: `WebEvent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `page_load` should have an upper camel case name
[INFO] [stderr]  --> src/bin/c3_custom_types_enums1.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     page_load,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `PageLoad`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `page_unload` should have an upper camel case name
[INFO] [stderr]  --> src/bin/c3_custom_types_enums1.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     page_unload,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `PageUnload`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_press` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c3_custom_types_enums1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     key_press(char),
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `KeyPress`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `paste` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c3_custom_types_enums1.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     paste(String),
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Paste`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `click` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c3_custom_types_enums1.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     click { x: i64, y: i64 },
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Click`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/bin/c9_higher_order_diverging_functions.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn foo() -> ! {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `u64_t` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c5_types.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | type u64_t = u64;
[INFO] [stderr]    |      ^^^^^ help: convert the identifier to upper camel case: `U64T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `u64_t`
[INFO] [stderr]   --> src/bin/c5_types.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | type u64_t = u64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/c8_flow_control_match.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 |         13...19 => println!("A teen"), // match an inclusive range. I've only seen the pattern ... in a match. ..= also works
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/c8_flow_control_match.rs:108:14
[INFO] [stderr]     |
[INFO] [stderr] 108 |         n @ 1...12 => println!("A child of {:?}", n), // again `...` instead of `..=` in match. Just stick to ..= in your own code
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/c8_flow_control_match.rs:109:15
[INFO] [stderr]     |
[INFO] [stderr] 109 |         n @ 13...19 => println!("A child of age {:?}", n),
[INFO] [stderr]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `"docker" "inspect" "179c9fa785f7e33aaf03ecf0265417e913693905f0d454df191439e86cd58456"`
[INFO] running `"docker" "rm" "-f" "179c9fa785f7e33aaf03ecf0265417e913693905f0d454df191439e86cd58456"`
[INFO] [stdout] 179c9fa785f7e33aaf03ecf0265417e913693905f0d454df191439e86cd58456
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kanishkd4/Rust-by-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5496be85387176b9b6c8e385fe2b9902b569ced8834c8729062859949f91ab6
[INFO] running `"docker" "start" "-a" "d5496be85387176b9b6c8e385fe2b9902b569ced8834c8729062859949f91ab6"`
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `u64_t` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c5_types.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | type u64_t = u64;
[INFO] [stderr]    |      ^^^^^ help: convert the identifier to upper camel case: `U64T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `u64_t`
[INFO] [stderr]   --> src/bin/c5_types.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | type u64_t = u64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `s` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
[INFO] [stderr]    |        ^ help: convert the identifier to upper camel case: `S`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/c8_flow_control_match.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 |         13...19 => println!("A teen"), // match an inclusive range. I've only seen the pattern ... in a match. ..= also works
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/c8_flow_control_match.rs:108:14
[INFO] [stderr]     |
[INFO] [stderr] 108 |         n @ 1...12 => println!("A child of {:?}", n), // again `...` instead of `..=` in match. Just stick to ..= in your own code
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/c8_flow_control_match.rs:109:15
[INFO] [stderr]     |
[INFO] [stderr] 109 |         n @ 13...19 => println!("A child of age {:?}", n),
[INFO] [stderr]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]  --> src/bin/c14_generics_functions_impl_traits.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn foo<T>(_arg: T) {} // becuase T has been specified as a generic type parameter using <T>, 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `S`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct S(A); // concrete type S that takes concrete type A defined above // commented for struct S below
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SGen`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct SGen<T>(T); // Generic type SGen
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reg_fn`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn reg_fn(_s: S) {} // a regular function that takes an argument of type S - not a generic function
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_spec_t`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn gen_spec_t(_s: SGen<A>) {} // this is also not a generic as SGen has been given the type A
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_spec_i32`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn gen_spec_i32(_s: SGen<i32>) {} // this is also not a generic
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generic`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn generic<T>(_s: SGen<T>) {} // a generic function
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `S1`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | struct S1; // concrete type S
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GenericVal`
[INFO] [stderr]   --> src/bin/c14_generics_functions_impl_traits.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct GenericVal<T>(T, ); // Generic type GenericVal
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printer`
[INFO] [stderr]  --> src/bin/c14_generics_bounds_where.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn printer<T: Display>(t: T) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `s`
[INFO] [stderr]   --> src/bin/c14_generics_bounds_where.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct s<T: Display>(T); // S can only be a type that implements the Display trait - so no vectors
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Deep`
[INFO] [stderr]   --> src/bin/c1_formatted_print.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Deep(Structure);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `web_event` should have an upper camel case name
[INFO] [stderr]  --> src/bin/c3_custom_types_enums1.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum web_event {
[INFO] [stderr]   |      ^^^^^^^^^ help: convert the identifier to upper camel case: `WebEvent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `page_load` should have an upper camel case name
[INFO] [stderr]  --> src/bin/c3_custom_types_enums1.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     page_load,
[INFO] [stderr]   |     ^^^^^^^^^ help: convert the identifier to upper camel case: `PageLoad`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `page_unload` should have an upper camel case name
[INFO] [stderr]  --> src/bin/c3_custom_types_enums1.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     page_unload,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `PageUnload`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `key_press` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c3_custom_types_enums1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     key_press(char),
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `KeyPress`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `paste` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c3_custom_types_enums1.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     paste(String),
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Paste`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `click` should have an upper camel case name
[INFO] [stderr]   --> src/bin/c3_custom_types_enums1.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     click { x: i64, y: i64 },
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Click`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `p1`
[INFO] [stderr]   --> src/bin/c3_custom_types_structs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     p1: Point,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `p2`
[INFO] [stderr]   --> src/bin/c3_custom_types_structs.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     p2: Point,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Food` should have a snake case name
[INFO] [stderr]   --> src/bin/c18_error_option_unwrap.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |         Some(Peeled(Food)) => Some(Chopped(Food)),
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `food`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Food` should have a snake case name
[INFO] [stderr]   --> src/bin/c18_error_option_unwrap.rs:87:26
[INFO] [stderr]    |
[INFO] [stderr] 87 |     chopped.map(|Chopped(Food)| Cooked(Food))
[INFO] [stderr]    |                          ^^^^ help: convert the identifier to snake case: `food`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/bin/c9_higher_order_diverging_functions.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn foo() -> ! {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Matrix`
[INFO] [stderr]   --> src/bin/c2_primitives.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | struct Matrix(f32, f32, f32, f32);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `"docker" "inspect" "d5496be85387176b9b6c8e385fe2b9902b569ced8834c8729062859949f91ab6"`
[INFO] running `"docker" "rm" "-f" "d5496be85387176b9b6c8e385fe2b9902b569ced8834c8729062859949f91ab6"`
[INFO] [stdout] d5496be85387176b9b6c8e385fe2b9902b569ced8834c8729062859949f91ab6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kanishkd4/Rust-by-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 90f59904c01b22903db7631a7cca65c9a0bc9ba164375a6fa61d62cb11748fe0
[INFO] running `"docker" "start" "-a" "90f59904c01b22903db7631a7cca65c9a0bc9ba164375a6fa61d62cb11748fe0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c10_modules_use_self_hierarchy-682d279d0bae83d3
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/c14_generics_associated_phantom-a293d16d62e6db12
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c14_generics_bounds_where-0d297471a700e537
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/c15_scoping_lifetimes3-178dcf706f6b13fe
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/c16_traits-43cbd04687e077be
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[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::add_assign ... ok
[INFO] [stdout] test test::mul_assign ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c17_macro_rules_syntax-181d34de93f19ae9
[INFO] [stdout] test test::sub_assign ... ok
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/c1_formatted_print-31b71003ba37d38a
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/c3_custom_types_enums2-132875104de738ab
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/c6_conversions-f665a5b86cd2a186
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[INFO] running `"docker" "inspect" "90f59904c01b22903db7631a7cca65c9a0bc9ba164375a6fa61d62cb11748fe0"`
[INFO] running `"docker" "rm" "-f" "90f59904c01b22903db7631a7cca65c9a0bc9ba164375a6fa61d62cb11748fe0"`
[INFO] [stdout] 90f59904c01b22903db7631a7cca65c9a0bc9ba164375a6fa61d62cb11748fe0