[INFO] updating cached repository kanishkd4/Rust-by-example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kanishkd4/Rust-by-example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kanishkd4/Rust-by-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/kanishkd4/Rust-by-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kanishkd4/Rust-by-example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kanishkd4/Rust-by-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kanishkd4/Rust-by-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kanishkd4/Rust-by-example on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing kanishkd4/Rust-by-example against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 0788e823524c9c604a35c6545ca9ae3b491f3ae6bcf086e494a0e5ab874e008f [INFO] running `"docker" "start" "-a" "0788e823524c9c604a35c6545ca9ae3b491f3ae6bcf086e494a0e5ab874e008f"` [INFO] [stderr] Compiling rust-by-example v0.1.0 (/opt/crater/workdir) [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: `foo` [INFO] [stderr] --> src/bin/c14_generics_functions_impl_traits.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | fn foo(_arg: T) {} // becuase T has been specified as a generic type parameter using , [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); // 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) {} // 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) {} // 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(_s: SGen) {} // 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, ); // Generic type GenericVal [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: 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: `add_assign` [INFO] [stderr] --> src/bin/c17_macro_dry_dsl_variadics.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | fn $func + Copy>(xs: &mut Vec, ys: &Vec) { [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 + Copy>(xs: &mut Vec, ys: &Vec) { [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 + Copy>(xs: &mut Vec, ys: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 34 | op!(sub_assign, Sub, -=, sub); [INFO] [stderr] | ------------------------------ in this macro invocation [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); // 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: 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); // S can only be a type that implements the Display trait - so no vectors [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: `...` 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: 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: 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/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: 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] Finished dev [unoptimized + debuginfo] target(s) in 5.59s [INFO] running `"docker" "inspect" "0788e823524c9c604a35c6545ca9ae3b491f3ae6bcf086e494a0e5ab874e008f"` [INFO] running `"docker" "rm" "-f" "0788e823524c9c604a35c6545ca9ae3b491f3ae6bcf086e494a0e5ab874e008f"` [INFO] [stdout] 0788e823524c9c604a35c6545ca9ae3b491f3ae6bcf086e494a0e5ab874e008f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 9110b20d98d02e527bcf6b5ce09e8f056752dd18cb926feaf04e6e9442624a74 [INFO] running `"docker" "start" "-a" "9110b20d98d02e527bcf6b5ce09e8f056752dd18cb926feaf04e6e9442624a74"` [INFO] [stderr] Compiling rust-by-example v0.1.0 (/opt/crater/workdir) [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); // 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: `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: `printer` [INFO] [stderr] --> src/bin/c14_generics_bounds_where.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | fn printer(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); // S can only be a type that implements the Display trait - so no vectors [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [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: 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: 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: `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(_arg: T) {} // becuase T has been specified as a generic type parameter using , [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); // 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) {} // 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) {} // 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(_s: SGen) {} // 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, ); // 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 6.07s [INFO] running `"docker" "inspect" "9110b20d98d02e527bcf6b5ce09e8f056752dd18cb926feaf04e6e9442624a74"` [INFO] running `"docker" "rm" "-f" "9110b20d98d02e527bcf6b5ce09e8f056752dd18cb926feaf04e6e9442624a74"` [INFO] [stdout] 9110b20d98d02e527bcf6b5ce09e8f056752dd18cb926feaf04e6e9442624a74 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 7ffb24353eb92e0e530bfe57e73a41d20eda822985f48e26908e82d9e266f033 [INFO] running `"docker" "start" "-a" "7ffb24353eb92e0e530bfe57e73a41d20eda822985f48e26908e82d9e266f033"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/c10_modules_use_self_hierarchy-14beef1b875b8e68 [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/crater/target/debug/deps/c10_modules_visibility-3e9f817f8846f123 [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/crater/target/debug/deps/c14_generics_associated_phantom-d0f519a0e31aec14 [INFO] [stderr] Running /opt/crater/target/debug/deps/c14_generics_bounds_where-c28d109e35199bc3 [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] [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/crater/target/debug/deps/c14_generics_functions_impl_traits-fdff7398ac111e4f [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c14_generics_new_associated-0aa755f815a64a1f [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/c15_scoping_borrowing-1c3d3d0623c0e961 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c15_scoping_lifetimes1-f67069dcac75b9fb [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] [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/crater/target/debug/deps/c15_scoping_lifetimes2-a59e4be3a15ae6c9 [INFO] [stderr] Running /opt/crater/target/debug/deps/c15_scoping_lifetimes3-67c5e7887cb96659 [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c15_scoping_ownership-7fd16781601c50b2 [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/c16_traits-8c50eb5885d30e3d [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c16_traits_derive_op_drop-1434f4c1d292855c [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] Running /opt/crater/target/debug/deps/c16_traits_iter_clone-4276c7d038961553 [INFO] [stdout] [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] [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] [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] [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c17_macro_dry_dsl_variadics-9079d61652ea7fba [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] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test::add_assign ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/c17_macro_rules_syntax-5558d6ccd47d645a [INFO] [stdout] test test::mul_assign ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/c18_error_option_unwrap-f19180ae0eb6fe16 [INFO] [stdout] test test::sub_assign ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c18_error_result-48313ea2890eede4 [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c1_formatted_print-6383103fc29f83e7 [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c1_hello_world-6a079c17d412b630 [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c2_primitives-6026afd4ba6c7cad [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/c3_constants-d47b5aa65150aac9 [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c3_custom_types_enums1-77d69b97280493c5 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] Running /opt/crater/target/debug/deps/c3_custom_types_enums2-0da5e40ced1b3518 [INFO] [stdout] [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] [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] [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] [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c3_custom_types_structs-8aa3b1fda68f85f5 [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/c4_variable_bindings-500fb3adcb6d636c [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c5_types-b9cf3954551da5b4 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c6_conversions-fb97491793e2c6d4 [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] [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/crater/target/debug/deps/c8_flow_control_ifelse_loops-26edd3105cf5bee3 [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/crater/target/debug/deps/c8_flow_control_match-8759dbbfea702f7c [INFO] [stderr] Running /opt/crater/target/debug/deps/c9_functions_closures-15cc3cb478c33cfe [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c9_functions_methods-0607ebf1ec988d3f [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] [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/c9_higher_order_diverging_functions-f5b0d05e3c124300 [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] [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] running `"docker" "inspect" "7ffb24353eb92e0e530bfe57e73a41d20eda822985f48e26908e82d9e266f033"` [INFO] running `"docker" "rm" "-f" "7ffb24353eb92e0e530bfe57e73a41d20eda822985f48e26908e82d9e266f033"` [INFO] [stdout] 7ffb24353eb92e0e530bfe57e73a41d20eda822985f48e26908e82d9e266f033