Nov 10 03:57:21.840 INFO checking learnrust-0.1.0 against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 10 03:57:21.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +653da4fd006c97625247acd7e076d0782cdc149b-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 10 03:57:22.147 INFO blam! 8a7cfc74409027f1d426381b1ba3ef32c21697dd1525f78ab2e1e2c8195e4068
Nov 10 03:57:22.153 INFO running `"docker" "start" "-a" "8a7cfc74409027f1d426381b1ba3ef32c21697dd1525f78ab2e1e2c8195e4068"`
Nov 10 03:57:22.802 INFO kablam! usermod: no changes
Nov 10 03:57:22.847 INFO kablam!     Checking learnrust v0.1.0 (/source)
Nov 10 03:57:23.366 INFO kablam! warning: unused import: `::lessons::Rectangle::Rectangle`
Nov 10 03:57:23.366 INFO kablam!  --> src/adder/mod.rs:1:5
Nov 10 03:57:23.366 INFO kablam!   |
Nov 10 03:57:23.366 INFO kablam! 1 | use ::lessons::Rectangle::Rectangle;
Nov 10 03:57:23.366 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.366 INFO kablam!   |
Nov 10 03:57:23.366 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 10 03:57:23.366 INFO kablam! 
Nov 10 03:57:23.366 INFO kablam! warning: unused import: `::lessons::Guess::Guess`
Nov 10 03:57:23.366 INFO kablam!  --> src/adder/mod.rs:2:5
Nov 10 03:57:23.366 INFO kablam!   |
Nov 10 03:57:23.366 INFO kablam! 2 | use ::lessons::Guess::Guess;
Nov 10 03:57:23.366 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.366 INFO kablam! 
Nov 10 03:57:23.368 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 10 03:57:23.368 INFO kablam!   --> src/closures/learnIterator.rs:30:7
Nov 10 03:57:23.368 INFO kablam!    |
Nov 10 03:57:23.368 INFO kablam! 30 |     if(self.count < 6){
Nov 10 03:57:23.368 INFO kablam!    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 10 03:57:23.368 INFO kablam!    |
Nov 10 03:57:23.368 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 10 03:57:23.368 INFO kablam! 
Nov 10 03:57:23.565 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 10 03:57:23.565 INFO kablam!   --> src/closures/learnIterator.rs:30:7
Nov 10 03:57:23.565 INFO kablam!    |
Nov 10 03:57:23.565 INFO kablam! 30 |     if(self.count < 6){
Nov 10 03:57:23.565 INFO kablam!    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 10 03:57:23.565 INFO kablam!    |
Nov 10 03:57:23.565 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 10 03:57:23.565 INFO kablam! 
Nov 10 03:57:23.625 INFO kablam! warning: unused variable: `v_reference`
Nov 10 03:57:23.626 INFO kablam!   --> src/lessons/commonCollection.rs:25:9
Nov 10 03:57:23.626 INFO kablam!    |
Nov 10 03:57:23.626 INFO kablam! 25 |     let v_reference = &v[v_index];
Nov 10 03:57:23.627 INFO kablam!    |         ^^^^^^^^^^^ help: consider using `_v_reference` instead
Nov 10 03:57:23.628 INFO kablam!    |
Nov 10 03:57:23.629 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 10 03:57:23.629 INFO kablam! 
Nov 10 03:57:23.630 INFO kablam! warning: unused variable: `s2`
Nov 10 03:57:23.630 INFO kablam!   --> src/lessons/tryStringCollection.rs:24:7
Nov 10 03:57:23.631 INFO kablam!    |
Nov 10 03:57:23.632 INFO kablam! 24 |   let s2 = String::from("tac");
Nov 10 03:57:23.632 INFO kablam!    |       ^^ help: consider using `_s2` instead
Nov 10 03:57:23.633 INFO kablam! 
Nov 10 03:57:23.634 INFO kablam! warning: unused variable: `point2`
Nov 10 03:57:23.634 INFO kablam!   --> src/lessons/tryGenericTypes.rs:48:7
Nov 10 03:57:23.634 INFO kablam!    |
Nov 10 03:57:23.634 INFO kablam! 48 |   let point2 = Point{x : 10.1, y: 20.2};
Nov 10 03:57:23.634 INFO kablam!    |       ^^^^^^ help: consider using `_point2` instead
Nov 10 03:57:23.635 INFO kablam! 
Nov 10 03:57:23.636 INFO kablam! warning: unused variable: `point2_2`
Nov 10 03:57:23.636 INFO kablam!   --> src/lessons/tryGenericTypes.rs:53:7
Nov 10 03:57:23.636 INFO kablam!    |
Nov 10 03:57:23.636 INFO kablam! 53 |   let point2_2 = Point2{x : 20, y : 20.1};
Nov 10 03:57:23.636 INFO kablam!    |       ^^^^^^^^ help: consider using `_point2_2` instead
Nov 10 03:57:23.637 INFO kablam! 
Nov 10 03:57:23.638 INFO kablam! warning: unused variable: `intensity`
Nov 10 03:57:23.638 INFO kablam!   --> src/closures/learnClosure.rs:41:40
Nov 10 03:57:23.638 INFO kablam!    |
Nov 10 03:57:23.639 INFO kablam! 41 | pub fn simulated_expensive_calculation(intensity: u32){
Nov 10 03:57:23.639 INFO kablam!    |                                        ^^^^^^^^^ help: consider using `_intensity` instead
Nov 10 03:57:23.640 INFO kablam! 
Nov 10 03:57:23.640 INFO kablam! warning: unused variable: `expensive_result2`
Nov 10 03:57:23.640 INFO kablam!   --> src/closures/learnClosure.rs:62:7
Nov 10 03:57:23.641 INFO kablam!    |
Nov 10 03:57:23.641 INFO kablam! 62 |   let expensive_result2 = expensive_calculation(intensity);
Nov 10 03:57:23.641 INFO kablam!    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result2` instead
Nov 10 03:57:23.641 INFO kablam! 
Nov 10 03:57:23.642 INFO kablam! warning: unused variable: `expensive_result3`
Nov 10 03:57:23.642 INFO kablam!   --> src/closures/learnClosure.rs:63:7
Nov 10 03:57:23.642 INFO kablam!    |
Nov 10 03:57:23.642 INFO kablam! 63 |   let expensive_result3 = |num: u32| -> u32{
Nov 10 03:57:23.642 INFO kablam!    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result3` instead
Nov 10 03:57:23.642 INFO kablam! 
Nov 10 03:57:23.731 INFO kablam! warning: function is never used: `returns_summarizable`
Nov 10 03:57:23.731 INFO kablam!    --> src/lessons/tryGenericTypes.rs:132:1
Nov 10 03:57:23.732 INFO kablam!     |
Nov 10 03:57:23.732 INFO kablam! 132 | fn returns_summarizable() -> impl Summary {
Nov 10 03:57:23.732 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.732 INFO kablam!     |
Nov 10 03:57:23.732 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 10 03:57:23.732 INFO kablam! 
Nov 10 03:57:23.734 INFO kablam! warning: field is never used: `value`
Nov 10 03:57:23.734 INFO kablam!  --> src/lessons/Guess.rs:2:3
Nov 10 03:57:23.734 INFO kablam!   |
Nov 10 03:57:23.734 INFO kablam! 2 |   value:u32,
Nov 10 03:57:23.734 INFO kablam!   |   ^^^^^^^^^
Nov 10 03:57:23.735 INFO kablam! 
Nov 10 03:57:23.736 INFO kablam! warning: module `commonCollection` should have a snake case name such as `common_collection`
Nov 10 03:57:23.736 INFO kablam!  --> src/lessons/mod.rs:1:1
Nov 10 03:57:23.736 INFO kablam!   |
Nov 10 03:57:23.736 INFO kablam! 1 | pub mod commonCollection;
Nov 10 03:57:23.736 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.737 INFO kablam!   |
Nov 10 03:57:23.737 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 10 03:57:23.737 INFO kablam! 
Nov 10 03:57:23.738 INFO kablam! warning: function `tryCommonCollection` should have a snake case name such as `try_common_collection`
Nov 10 03:57:23.738 INFO kablam!   --> src/lessons/commonCollection.rs:8:1
Nov 10 03:57:23.738 INFO kablam!    |
Nov 10 03:57:23.738 INFO kablam! 8  | / pub fn tryCommonCollection(){
Nov 10 03:57:23.738 INFO kablam! 9  | |     let v = vec![1,2,3];
Nov 10 03:57:23.739 INFO kablam! 10 | |     println!("vector value : {:#?}", v);
Nov 10 03:57:23.739 INFO kablam! 11 | |
Nov 10 03:57:23.740 INFO kablam! ...  |
Nov 10 03:57:23.740 INFO kablam! 65 | |     println!("row data : {:?}", row);
Nov 10 03:57:23.740 INFO kablam! 66 | | }
Nov 10 03:57:23.740 INFO kablam!    | |_^
Nov 10 03:57:23.741 INFO kablam! 
Nov 10 03:57:23.742 INFO kablam! warning: module `tryStringCollection` should have a snake case name such as `try_string_collection`
Nov 10 03:57:23.742 INFO kablam!  --> src/lessons/mod.rs:3:1
Nov 10 03:57:23.742 INFO kablam!   |
Nov 10 03:57:23.742 INFO kablam! 3 | pub mod tryStringCollection;
Nov 10 03:57:23.742 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.742 INFO kablam! 
Nov 10 03:57:23.743 INFO kablam! warning: function `tryUpdateString` should have a snake case name such as `try_update_string`
Nov 10 03:57:23.743 INFO kablam!   --> src/lessons/tryStringCollection.rs:1:1
Nov 10 03:57:23.743 INFO kablam!    |
Nov 10 03:57:23.743 INFO kablam! 1  | / pub fn tryUpdateString(){
Nov 10 03:57:23.743 INFO kablam! 2  | |   println!("==============================");
Nov 10 03:57:23.744 INFO kablam! 3  | |
Nov 10 03:57:23.744 INFO kablam! 4  | |   let mut s = String::from("foo");
Nov 10 03:57:23.744 INFO kablam! ...  |
Nov 10 03:57:23.744 INFO kablam! 37 | |   println!("==============================");
Nov 10 03:57:23.744 INFO kablam! 38 | | }
Nov 10 03:57:23.745 INFO kablam!    | |_^
Nov 10 03:57:23.745 INFO kablam! 
Nov 10 03:57:23.746 INFO kablam! warning: module `tryHashMapCollection` should have a snake case name such as `try_hash_map_collection`
Nov 10 03:57:23.746 INFO kablam!  --> src/lessons/mod.rs:5:1
Nov 10 03:57:23.746 INFO kablam!   |
Nov 10 03:57:23.746 INFO kablam! 5 | pub mod tryHashMapCollection;
Nov 10 03:57:23.747 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.748 INFO kablam! 
Nov 10 03:57:23.748 INFO kablam! warning: function `tryHashMap` should have a snake case name such as `try_hash_map`
Nov 10 03:57:23.748 INFO kablam!   --> src/lessons/tryHashMapCollection.rs:3:1
Nov 10 03:57:23.748 INFO kablam!    |
Nov 10 03:57:23.748 INFO kablam! 3  | / pub fn tryHashMap(){
Nov 10 03:57:23.748 INFO kablam! 4  | |   println!("========================");
Nov 10 03:57:23.749 INFO kablam! 5  | |
Nov 10 03:57:23.749 INFO kablam! 6  | |   let mut scores = HashMap::new();
Nov 10 03:57:23.749 INFO kablam! ...  |
Nov 10 03:57:23.749 INFO kablam! 52 | |   println!("========================");
Nov 10 03:57:23.749 INFO kablam! 53 | | }
Nov 10 03:57:23.751 INFO kablam!    | |_^
Nov 10 03:57:23.751 INFO kablam! 
Nov 10 03:57:23.752 INFO kablam! warning: module `recoverableError` should have a snake case name such as `recoverable_error`
Nov 10 03:57:23.752 INFO kablam!  --> src/lessons/mod.rs:7:1
Nov 10 03:57:23.752 INFO kablam!   |
Nov 10 03:57:23.752 INFO kablam! 7 | pub mod recoverableError;
Nov 10 03:57:23.752 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.753 INFO kablam! 
Nov 10 03:57:23.754 INFO kablam! warning: function `recoverableError` should have a snake case name such as `recoverable_error`
Nov 10 03:57:23.754 INFO kablam!   --> src/lessons/recoverableError.rs:27:1
Nov 10 03:57:23.754 INFO kablam!    |
Nov 10 03:57:23.754 INFO kablam! 27 | / pub fn recoverableError(){
Nov 10 03:57:23.754 INFO kablam! 28 | |   let f = File::open("hello.txt");
Nov 10 03:57:23.755 INFO kablam! 29 | |   let t = match f{
Nov 10 03:57:23.755 INFO kablam! 30 | |     Ok(file) => file,
Nov 10 03:57:23.755 INFO kablam! ...  |
Nov 10 03:57:23.755 INFO kablam! 54 | |   println!("file value : {:?}", t);
Nov 10 03:57:23.755 INFO kablam! 55 | | }
Nov 10 03:57:23.756 INFO kablam!    | |_^
Nov 10 03:57:23.756 INFO kablam! 
Nov 10 03:57:23.757 INFO kablam! warning: module `tryGenericTypes` should have a snake case name such as `try_generic_types`
Nov 10 03:57:23.758 INFO kablam!  --> src/lessons/mod.rs:9:1
Nov 10 03:57:23.758 INFO kablam!   |
Nov 10 03:57:23.758 INFO kablam! 9 | pub mod tryGenericTypes;
Nov 10 03:57:23.758 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.759 INFO kablam! 
Nov 10 03:57:23.760 INFO kablam! warning: module `tryLifetime` should have a snake case name such as `try_lifetime`
Nov 10 03:57:23.760 INFO kablam!   --> src/lessons/mod.rs:11:1
Nov 10 03:57:23.760 INFO kablam!    |
Nov 10 03:57:23.760 INFO kablam! 11 | pub mod tryLifetime;
Nov 10 03:57:23.760 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.761 INFO kablam! 
Nov 10 03:57:23.762 INFO kablam! warning: module `Rectangle` should have a snake case name such as `rectangle`
Nov 10 03:57:23.762 INFO kablam!   --> src/lessons/mod.rs:13:1
Nov 10 03:57:23.762 INFO kablam!    |
Nov 10 03:57:23.762 INFO kablam! 13 | pub mod Rectangle;
Nov 10 03:57:23.762 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.762 INFO kablam! 
Nov 10 03:57:23.763 INFO kablam! warning: module `Guess` should have a snake case name such as `guess`
Nov 10 03:57:23.764 INFO kablam!   --> src/lessons/mod.rs:15:1
Nov 10 03:57:23.764 INFO kablam!    |
Nov 10 03:57:23.764 INFO kablam! 15 | pub mod Guess;
Nov 10 03:57:23.764 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 10 03:57:23.765 INFO kablam! 
Nov 10 03:57:23.765 INFO kablam! warning: module `learnClosure` should have a snake case name such as `learn_closure`
Nov 10 03:57:23.765 INFO kablam!  --> src/closures/mod.rs:8:1
Nov 10 03:57:23.766 INFO kablam!   |
Nov 10 03:57:23.766 INFO kablam! 8 | pub mod learnClosure;
Nov 10 03:57:23.766 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.767 INFO kablam! 
Nov 10 03:57:23.767 INFO kablam! warning: module `learnIterator` should have a snake case name such as `learn_iterator`
Nov 10 03:57:23.767 INFO kablam!  --> src/closures/mod.rs:9:1
Nov 10 03:57:23.767 INFO kablam!   |
Nov 10 03:57:23.767 INFO kablam! 9 | pub mod learnIterator;
Nov 10 03:57:23.767 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:23.769 INFO kablam! 
Nov 10 03:57:23.769 INFO kablam! warning: function `learnIterator` should have a snake case name such as `learn_iterator`
Nov 10 03:57:23.769 INFO kablam!   --> src/closures/learnIterator.rs:41:1
Nov 10 03:57:23.769 INFO kablam!    |
Nov 10 03:57:23.769 INFO kablam! 41 | / pub fn learnIterator(){
Nov 10 03:57:23.769 INFO kablam! 42 | |   let v1 = vec![1,2,3,4];
Nov 10 03:57:23.770 INFO kablam! 43 | |   let v1_iter = v1.iter();
Nov 10 03:57:23.771 INFO kablam! 44 | |   for item in v1_iter{
Nov 10 03:57:23.771 INFO kablam! ...  |
Nov 10 03:57:23.771 INFO kablam! 64 | |   println!("============================");
Nov 10 03:57:23.771 INFO kablam! 65 | | }
Nov 10 03:57:23.771 INFO kablam!    | |_^
Nov 10 03:57:23.772 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `v_reference`
Nov 10 03:57:24.435 INFO kablam!   --> src/lessons/commonCollection.rs:25:9
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 25 |     let v_reference = &v[v_index];
Nov 10 03:57:24.435 INFO kablam!    |         ^^^^^^^^^^^ help: consider using `_v_reference` instead
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `s2`
Nov 10 03:57:24.435 INFO kablam!   --> src/lessons/tryStringCollection.rs:24:7
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 24 |   let s2 = String::from("tac");
Nov 10 03:57:24.435 INFO kablam!    |       ^^ help: consider using `_s2` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `point2`
Nov 10 03:57:24.435 INFO kablam!   --> src/lessons/tryGenericTypes.rs:48:7
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 48 |   let point2 = Point{x : 10.1, y: 20.2};
Nov 10 03:57:24.435 INFO kablam!    |       ^^^^^^ help: consider using `_point2` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `point2_2`
Nov 10 03:57:24.435 INFO kablam!   --> src/lessons/tryGenericTypes.rs:53:7
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 53 |   let point2_2 = Point2{x : 20, y : 20.1};
Nov 10 03:57:24.435 INFO kablam!    |       ^^^^^^^^ help: consider using `_point2_2` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `intensity`
Nov 10 03:57:24.435 INFO kablam!   --> src/closures/learnClosure.rs:41:40
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 41 | pub fn simulated_expensive_calculation(intensity: u32){
Nov 10 03:57:24.435 INFO kablam!    |                                        ^^^^^^^^^ help: consider using `_intensity` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `expensive_result2`
Nov 10 03:57:24.435 INFO kablam!   --> src/closures/learnClosure.rs:62:7
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 62 |   let expensive_result2 = expensive_calculation(intensity);
Nov 10 03:57:24.435 INFO kablam!    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result2` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `expensive_result3`
Nov 10 03:57:24.435 INFO kablam!   --> src/closures/learnClosure.rs:63:7
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 63 |   let expensive_result3 = |num: u32| -> u32{
Nov 10 03:57:24.435 INFO kablam!    |       ^^^^^^^^^^^^^^^^^ help: consider using `_expensive_result3` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `guess`
Nov 10 03:57:24.435 INFO kablam!   --> src/adder/mod.rs:45:7
Nov 10 03:57:24.435 INFO kablam!    |
Nov 10 03:57:24.435 INFO kablam! 45 |   let guess = Guess::new(0);
Nov 10 03:57:24.435 INFO kablam!    |       ^^^^^ help: consider using `_guess` instead
Nov 10 03:57:24.435 INFO kablam! 
Nov 10 03:57:24.435 INFO kablam! warning: unused variable: `y`
Nov 10 03:57:24.436 INFO kablam!   --> src/adder/mod.rs:74:7
Nov 10 03:57:24.436 INFO kablam!    |
Nov 10 03:57:24.436 INFO kablam! 74 |   let y = 10;
Nov 10 03:57:24.436 INFO kablam!    |       ^ help: consider using `_y` instead
Nov 10 03:57:24.436 INFO kablam! 
Nov 10 03:57:24.843 INFO kablam! warning: function is never used: `returns_summarizable`
Nov 10 03:57:24.843 INFO kablam!    --> src/lessons/tryGenericTypes.rs:132:1
Nov 10 03:57:24.843 INFO kablam!     |
Nov 10 03:57:24.843 INFO kablam! 132 | fn returns_summarizable() -> impl Summary {
Nov 10 03:57:24.843 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.860 INFO kablam!     |
Nov 10 03:57:24.860 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 10 03:57:24.860 INFO kablam! 
Nov 10 03:57:24.860 INFO kablam! warning: field is never used: `value`
Nov 10 03:57:24.860 INFO kablam!  --> src/lessons/Guess.rs:2:3
Nov 10 03:57:24.860 INFO kablam!   |
Nov 10 03:57:24.861 INFO kablam! 2 |   value:u32,
Nov 10 03:57:24.861 INFO kablam!   |   ^^^^^^^^^
Nov 10 03:57:24.861 INFO kablam! 
Nov 10 03:57:24.861 INFO kablam! warning: module `commonCollection` should have a snake case name such as `common_collection`
Nov 10 03:57:24.861 INFO kablam!  --> src/lessons/mod.rs:1:1
Nov 10 03:57:24.861 INFO kablam!   |
Nov 10 03:57:24.861 INFO kablam! 1 | pub mod commonCollection;
Nov 10 03:57:24.861 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.861 INFO kablam!   |
Nov 10 03:57:24.861 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 10 03:57:24.861 INFO kablam! 
Nov 10 03:57:24.861 INFO kablam! warning: function `tryCommonCollection` should have a snake case name such as `try_common_collection`
Nov 10 03:57:24.861 INFO kablam!   --> src/lessons/commonCollection.rs:8:1
Nov 10 03:57:24.861 INFO kablam!    |
Nov 10 03:57:24.861 INFO kablam! 8  | / pub fn tryCommonCollection(){
Nov 10 03:57:24.861 INFO kablam! 9  | |     let v = vec![1,2,3];
Nov 10 03:57:24.861 INFO kablam! 10 | |     println!("vector value : {:#?}", v);
Nov 10 03:57:24.861 INFO kablam! 11 | |
Nov 10 03:57:24.861 INFO kablam! ...  |
Nov 10 03:57:24.861 INFO kablam! 65 | |     println!("row data : {:?}", row);
Nov 10 03:57:24.861 INFO kablam! 66 | | }
Nov 10 03:57:24.861 INFO kablam!    | |_^
Nov 10 03:57:24.861 INFO kablam! 
Nov 10 03:57:24.861 INFO kablam! warning: module `tryStringCollection` should have a snake case name such as `try_string_collection`
Nov 10 03:57:24.861 INFO kablam!  --> src/lessons/mod.rs:3:1
Nov 10 03:57:24.861 INFO kablam!   |
Nov 10 03:57:24.861 INFO kablam! 3 | pub mod tryStringCollection;
Nov 10 03:57:24.861 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.861 INFO kablam! 
Nov 10 03:57:24.861 INFO kablam! warning: function `tryUpdateString` should have a snake case name such as `try_update_string`
Nov 10 03:57:24.861 INFO kablam!   --> src/lessons/tryStringCollection.rs:1:1
Nov 10 03:57:24.861 INFO kablam!    |
Nov 10 03:57:24.861 INFO kablam! 1  | / pub fn tryUpdateString(){
Nov 10 03:57:24.861 INFO kablam! 2  | |   println!("==============================");
Nov 10 03:57:24.861 INFO kablam! 3  | |
Nov 10 03:57:24.861 INFO kablam! 4  | |   let mut s = String::from("foo");
Nov 10 03:57:24.861 INFO kablam! ...  |
Nov 10 03:57:24.861 INFO kablam! 37 | |   println!("==============================");
Nov 10 03:57:24.861 INFO kablam! 38 | | }
Nov 10 03:57:24.861 INFO kablam!    | |_^
Nov 10 03:57:24.861 INFO kablam! 
Nov 10 03:57:24.862 INFO kablam! warning: module `tryHashMapCollection` should have a snake case name such as `try_hash_map_collection`
Nov 10 03:57:24.862 INFO kablam!  --> src/lessons/mod.rs:5:1
Nov 10 03:57:24.862 INFO kablam!   |
Nov 10 03:57:24.862 INFO kablam! 5 | pub mod tryHashMapCollection;
Nov 10 03:57:24.862 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.862 INFO kablam! 
Nov 10 03:57:24.862 INFO kablam! warning: function `tryHashMap` should have a snake case name such as `try_hash_map`
Nov 10 03:57:24.862 INFO kablam!   --> src/lessons/tryHashMapCollection.rs:3:1
Nov 10 03:57:24.862 INFO kablam!    |
Nov 10 03:57:24.862 INFO kablam! 3  | / pub fn tryHashMap(){
Nov 10 03:57:24.862 INFO kablam! 4  | |   println!("========================");
Nov 10 03:57:24.862 INFO kablam! 5  | |
Nov 10 03:57:24.862 INFO kablam! 6  | |   let mut scores = HashMap::new();
Nov 10 03:57:24.862 INFO kablam! ...  |
Nov 10 03:57:24.862 INFO kablam! 52 | |   println!("========================");
Nov 10 03:57:24.862 INFO kablam! 53 | | }
Nov 10 03:57:24.862 INFO kablam!    | |_^
Nov 10 03:57:24.862 INFO kablam! 
Nov 10 03:57:24.862 INFO kablam! warning: module `recoverableError` should have a snake case name such as `recoverable_error`
Nov 10 03:57:24.862 INFO kablam!  --> src/lessons/mod.rs:7:1
Nov 10 03:57:24.862 INFO kablam!   |
Nov 10 03:57:24.862 INFO kablam! 7 | pub mod recoverableError;
Nov 10 03:57:24.862 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.862 INFO kablam! 
Nov 10 03:57:24.862 INFO kablam! warning: function `recoverableError` should have a snake case name such as `recoverable_error`
Nov 10 03:57:24.862 INFO kablam!   --> src/lessons/recoverableError.rs:27:1
Nov 10 03:57:24.862 INFO kablam!    |
Nov 10 03:57:24.862 INFO kablam! 27 | / pub fn recoverableError(){
Nov 10 03:57:24.862 INFO kablam! 28 | |   let f = File::open("hello.txt");
Nov 10 03:57:24.862 INFO kablam! 29 | |   let t = match f{
Nov 10 03:57:24.862 INFO kablam! 30 | |     Ok(file) => file,
Nov 10 03:57:24.862 INFO kablam! ...  |
Nov 10 03:57:24.862 INFO kablam! 54 | |   println!("file value : {:?}", t);
Nov 10 03:57:24.862 INFO kablam! 55 | | }
Nov 10 03:57:24.862 INFO kablam!    | |_^
Nov 10 03:57:24.867 INFO kablam! 
Nov 10 03:57:24.867 INFO kablam! warning: module `tryGenericTypes` should have a snake case name such as `try_generic_types`
Nov 10 03:57:24.867 INFO kablam!  --> src/lessons/mod.rs:9:1
Nov 10 03:57:24.867 INFO kablam!   |
Nov 10 03:57:24.867 INFO kablam! 9 | pub mod tryGenericTypes;
Nov 10 03:57:24.867 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.867 INFO kablam! 
Nov 10 03:57:24.867 INFO kablam! warning: module `tryLifetime` should have a snake case name such as `try_lifetime`
Nov 10 03:57:24.867 INFO kablam!   --> src/lessons/mod.rs:11:1
Nov 10 03:57:24.867 INFO kablam!    |
Nov 10 03:57:24.867 INFO kablam! 11 | pub mod tryLifetime;
Nov 10 03:57:24.867 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.867 INFO kablam! 
Nov 10 03:57:24.867 INFO kablam! warning: module `Rectangle` should have a snake case name such as `rectangle`
Nov 10 03:57:24.867 INFO kablam!   --> src/lessons/mod.rs:13:1
Nov 10 03:57:24.867 INFO kablam!    |
Nov 10 03:57:24.867 INFO kablam! 13 | pub mod Rectangle;
Nov 10 03:57:24.867 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.867 INFO kablam! 
Nov 10 03:57:24.867 INFO kablam! warning: module `Guess` should have a snake case name such as `guess`
Nov 10 03:57:24.867 INFO kablam!   --> src/lessons/mod.rs:15:1
Nov 10 03:57:24.867 INFO kablam!    |
Nov 10 03:57:24.867 INFO kablam! 15 | pub mod Guess;
Nov 10 03:57:24.867 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 10 03:57:24.867 INFO kablam! 
Nov 10 03:57:24.895 INFO kablam! warning: module `learnClosure` should have a snake case name such as `learn_closure`
Nov 10 03:57:24.895 INFO kablam!  --> src/closures/mod.rs:8:1
Nov 10 03:57:24.895 INFO kablam!   |
Nov 10 03:57:24.895 INFO kablam! 8 | pub mod learnClosure;
Nov 10 03:57:24.895 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.895 INFO kablam! 
Nov 10 03:57:24.895 INFO kablam! warning: module `learnIterator` should have a snake case name such as `learn_iterator`
Nov 10 03:57:24.895 INFO kablam!  --> src/closures/mod.rs:9:1
Nov 10 03:57:24.895 INFO kablam!   |
Nov 10 03:57:24.895 INFO kablam! 9 | pub mod learnIterator;
Nov 10 03:57:24.895 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:24.895 INFO kablam! 
Nov 10 03:57:24.895 INFO kablam! warning: function `learnIterator` should have a snake case name such as `learn_iterator`
Nov 10 03:57:24.895 INFO kablam!   --> src/closures/learnIterator.rs:41:1
Nov 10 03:57:24.895 INFO kablam!    |
Nov 10 03:57:24.895 INFO kablam! 41 | / pub fn learnIterator(){
Nov 10 03:57:24.895 INFO kablam! 42 | |   let v1 = vec![1,2,3,4];
Nov 10 03:57:24.895 INFO kablam! 43 | |   let v1_iter = v1.iter();
Nov 10 03:57:24.895 INFO kablam! 44 | |   for item in v1_iter{
Nov 10 03:57:24.895 INFO kablam! ...  |
Nov 10 03:57:24.895 INFO kablam! 64 | |   println!("============================");
Nov 10 03:57:24.895 INFO kablam! 65 | | }
Nov 10 03:57:24.895 INFO kablam!    | |_^
Nov 10 03:57:24.895 INFO kablam! 
Nov 10 03:57:25.355 INFO kablam! warning: field is never used: `email`
Nov 10 03:57:25.355 INFO kablam!   --> src/main.rs:19:5
Nov 10 03:57:25.355 INFO kablam!    |
Nov 10 03:57:25.355 INFO kablam! 19 |     email: String,
Nov 10 03:57:25.355 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 10 03:57:25.355 INFO kablam!    |
Nov 10 03:57:25.355 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 10 03:57:25.355 INFO kablam! 
Nov 10 03:57:25.355 INFO kablam! warning: field is never used: `sign_in_count`
Nov 10 03:57:25.355 INFO kablam!   --> src/main.rs:20:5
Nov 10 03:57:25.355 INFO kablam!    |
Nov 10 03:57:25.355 INFO kablam! 20 |     sign_in_count: u64,
Nov 10 03:57:25.355 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 10 03:57:25.355 INFO kablam! 
Nov 10 03:57:25.355 INFO kablam! warning: field is never used: `active`
Nov 10 03:57:25.355 INFO kablam!   --> src/main.rs:21:5
Nov 10 03:57:25.355 INFO kablam!    |
Nov 10 03:57:25.355 INFO kablam! 21 |     active: bool
Nov 10 03:57:25.355 INFO kablam!    |     ^^^^^^^^^^^^
Nov 10 03:57:25.355 INFO kablam! 
Nov 10 03:57:25.355 INFO kablam! warning: constant `point1` should have an upper case name such as `POINT1`
Nov 10 03:57:25.355 INFO kablam!    --> src/main.rs:100:5
Nov 10 03:57:25.355 INFO kablam!     |
Nov 10 03:57:25.355 INFO kablam! 100 |     const point1 :Point = Point(0,0,0);
Nov 10 03:57:25.355 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:25.355 INFO kablam!     |
Nov 10 03:57:25.355 INFO kablam!     = note: #[warn(non_upper_case_globals)] on by default
Nov 10 03:57:25.355 INFO kablam! 
Nov 10 03:57:25.355 INFO kablam! warning: constant `color1` should have an upper case name such as `COLOR1`
Nov 10 03:57:25.355 INFO kablam!    --> src/main.rs:101:5
Nov 10 03:57:25.355 INFO kablam!     |
Nov 10 03:57:25.355 INFO kablam! 101 |     const color1 :Color = Color( 0, 0, 10);
Nov 10 03:57:25.355 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:25.355 INFO kablam! 
Nov 10 03:57:25.899 INFO kablam! warning: field is never used: `email`
Nov 10 03:57:25.899 INFO kablam!   --> src/main.rs:19:5
Nov 10 03:57:25.899 INFO kablam!    |
Nov 10 03:57:25.899 INFO kablam! 19 |     email: String,
Nov 10 03:57:25.899 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 10 03:57:25.899 INFO kablam!    |
Nov 10 03:57:25.899 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 10 03:57:25.899 INFO kablam! 
Nov 10 03:57:25.899 INFO kablam! warning: field is never used: `sign_in_count`
Nov 10 03:57:25.899 INFO kablam!   --> src/main.rs:20:5
Nov 10 03:57:25.899 INFO kablam!    |
Nov 10 03:57:25.899 INFO kablam! 20 |     sign_in_count: u64,
Nov 10 03:57:25.899 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Nov 10 03:57:25.899 INFO kablam! 
Nov 10 03:57:25.900 INFO kablam! warning: field is never used: `active`
Nov 10 03:57:25.900 INFO kablam!   --> src/main.rs:21:5
Nov 10 03:57:25.900 INFO kablam!    |
Nov 10 03:57:25.900 INFO kablam! 21 |     active: bool
Nov 10 03:57:25.900 INFO kablam!    |     ^^^^^^^^^^^^
Nov 10 03:57:25.900 INFO kablam! 
Nov 10 03:57:25.900 INFO kablam! warning: constant `point1` should have an upper case name such as `POINT1`
Nov 10 03:57:25.900 INFO kablam!    --> src/main.rs:100:5
Nov 10 03:57:25.900 INFO kablam!     |
Nov 10 03:57:25.900 INFO kablam! 100 |     const point1 :Point = Point(0,0,0);
Nov 10 03:57:25.900 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:25.900 INFO kablam!     |
Nov 10 03:57:25.900 INFO kablam!     = note: #[warn(non_upper_case_globals)] on by default
Nov 10 03:57:25.900 INFO kablam! 
Nov 10 03:57:25.900 INFO kablam! warning: constant `color1` should have an upper case name such as `COLOR1`
Nov 10 03:57:25.900 INFO kablam!    --> src/main.rs:101:5
Nov 10 03:57:25.900 INFO kablam!     |
Nov 10 03:57:25.900 INFO kablam! 101 |     const color1 :Color = Color( 0, 0, 10);
Nov 10 03:57:25.900 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 03:57:25.901 INFO kablam! 
Nov 10 03:57:25.924 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
Nov 10 03:57:25.930 INFO kablam! su: No module specific data is present
Nov 10 03:57:26.715 INFO running `"docker" "rm" "-f" "8a7cfc74409027f1d426381b1ba3ef32c21697dd1525f78ab2e1e2c8195e4068"`
Nov 10 03:57:27.051 INFO blam! 8a7cfc74409027f1d426381b1ba3ef32c21697dd1525f78ab2e1e2c8195e4068