[INFO] updating cached repository https://github.com/kanishkd4/Rust-by-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2b88db631e7cfa65de6b348419da65cb5c3b8c7
[INFO] testing kanishkd4/Rust-by-example against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanishkd4%2FRust-by-example" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanishkd4/Rust-by-example on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kanishkd4/Rust-by-example
[INFO] finished tweaking git repo https://github.com/kanishkd4/Rust-by-example
[INFO] tweaked toml for git repo https://github.com/kanishkd4/Rust-by-example written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kanishkd4/Rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 47f2e0cabfede9dcf030138d19d527213818040739957f758dbe94af76c4d592
[INFO] running `"docker" "start" "-a" "47f2e0cabfede9dcf030138d19d527213818040739957f758dbe94af76c4d592"`
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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 `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/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: 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: 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: 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: 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: `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: 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "47f2e0cabfede9dcf030138d19d527213818040739957f758dbe94af76c4d592"`
[INFO] running `"docker" "rm" "-f" "47f2e0cabfede9dcf030138d19d527213818040739957f758dbe94af76c4d592"`
[INFO] [stdout] 47f2e0cabfede9dcf030138d19d527213818040739957f758dbe94af76c4d592
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58256de48d65d29f805621c0c6909c923d9a69faa0b2cea44152697121c9b61e
[INFO] running `"docker" "start" "-a" "58256de48d65d29f805621c0c6909c923d9a69faa0b2cea44152697121c9b61e"`
[INFO] [stderr]    Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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 `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: 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: `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 `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: 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: `...` 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 1.19s
[INFO] running `"docker" "inspect" "58256de48d65d29f805621c0c6909c923d9a69faa0b2cea44152697121c9b61e"`
[INFO] running `"docker" "rm" "-f" "58256de48d65d29f805621c0c6909c923d9a69faa0b2cea44152697121c9b61e"`
[INFO] [stdout] 58256de48d65d29f805621c0c6909c923d9a69faa0b2cea44152697121c9b61e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ada2ed5ee57f5977ddd3f80840de1622ee1b48e3dc57a8f1a0fd2ed9bc926ed2
[INFO] running `"docker" "start" "-a" "ada2ed5ee57f5977ddd3f80840de1622ee1b48e3dc57a8f1a0fd2ed9bc926ed2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c10_modules_use_self_hierarchy-ae442d8b2a281867
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c14_generics_associated_phantom-43ba1dcf588ba8a5
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c14_generics_bounds_where-5bedba2e0310b63c
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c14_generics_functions_impl_traits-d759523b14e93f35
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c15_scoping_borrowing-9b24687af031bbfe
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c15_scoping_lifetimes2-74d4efb4c258f9c7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c15_scoping_lifetimes3-a66bf3a8e860b340
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c15_scoping_ownership-21959d173f592e79
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c16_traits-4a61a583a19e3cc4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c16_traits_derive_op_drop-b642374f94bdccb1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c16_traits_iter_clone-a7635e1e0dcbce74
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c17_macro_dry_dsl_variadics-1444e0694caa5477
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::add_assign ... ok
[INFO] [stdout] test test::sub_assign ... ok
[INFO] [stdout] test test::mul_assign ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c17_macro_rules_syntax-938786759d027ec9
[INFO] [stdout] 
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c18_error_option_unwrap-7635700b3bc20733
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c18_error_result-d492dd5739201945
[INFO] [stdout] 
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c1_formatted_print-7e169bf9c184e243
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[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c3_constants-3b51536351b1fed2
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c3_custom_types_enums1-e444f821b5f41986
[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c3_custom_types_enums2-d51b30e698317b4a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c3_custom_types_structs-20b052ac628c4bc6
[INFO] [stdout] 
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c4_variable_bindings-8f354af91ebaa071
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c5_types-7943117d65dcdc1f
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c6_conversions-8ffbcbc57f939174
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c8_flow_control_ifelse_loops-c6f829ced90d9103
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[INFO] [stdout] running 0 tests
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c8_flow_control_match-760030c3c4fdb54a
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c9_functions_closures-31e5c9cbb1ac473d
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c9_functions_methods-660993f6815c6361
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c9_higher_order_diverging_functions-439d0c6d884859b4
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[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ada2ed5ee57f5977ddd3f80840de1622ee1b48e3dc57a8f1a0fd2ed9bc926ed2"`
[INFO] running `"docker" "rm" "-f" "ada2ed5ee57f5977ddd3f80840de1622ee1b48e3dc57a8f1a0fd2ed9bc926ed2"`
[INFO] [stdout] ada2ed5ee57f5977ddd3f80840de1622ee1b48e3dc57a8f1a0fd2ed9bc926ed2