[INFO] crate learnrust 0.1.0 is already in cache
[INFO] extracting crate learnrust 0.1.0 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/learnrust/0.1.0
[INFO] extracting crate learnrust 0.1.0 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/learnrust/0.1.0
[INFO] validating manifest of learnrust-0.1.0 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of learnrust-0.1.0 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing learnrust-0.1.0
[INFO] finished frobbing learnrust-0.1.0
[INFO] frobbed toml for learnrust-0.1.0 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/learnrust/0.1.0/Cargo.toml
[INFO] started frobbing learnrust-0.1.0
[INFO] finished frobbing learnrust-0.1.0
[INFO] frobbed toml for learnrust-0.1.0 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/learnrust/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking learnrust-0.1.0 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-0/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/learnrust/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ed55ae934870770a53a937ac5b478103f2949748cba32aa365a06c59eeb26b19
[INFO] running `"docker" "start" "-a" "ed55ae934870770a53a937ac5b478103f2949748cba32aa365a06c59eeb26b19"`
[INFO] [stderr]     Checking learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `::lessons::Rectangle::Rectangle`
[INFO] [stderr]  --> src/adder/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::lessons::Rectangle::Rectangle;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::lessons::Guess::Guess`
[INFO] [stderr]  --> src/adder/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ::lessons::Guess::Guess;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/closures/learnIterator.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if(self.count < 6){
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/closures/learnIterator.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if(self.count < 6){
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v_reference`
[INFO] [stderr]   --> src/lessons/commonCollection.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let v_reference = &v[v_index];
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_v_reference`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/lessons/tryStringCollection.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 |   let s2 = String::from("tac");
[INFO] [stderr]    |       ^^ help: consider prefixing with an underscore: `_s2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:48:7
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let point2 = Point{x : 10.1, y: 20.2};
[INFO] [stderr]    |       ^^^^^^ help: consider prefixing with an underscore: `_point2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2_2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let point2_2 = Point2{x : 20, y : 20.1};
[INFO] [stderr]    |       ^^^^^^^^ help: consider prefixing with an underscore: `_point2_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intensity`
[INFO] [stderr]   --> src/closures/learnClosure.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn simulated_expensive_calculation(intensity: u32){
[INFO] [stderr]    |                                        ^^^^^^^^^ help: consider prefixing with an underscore: `_intensity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result2`
[INFO] [stderr]   --> src/closures/learnClosure.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |   let expensive_result2 = expensive_calculation(intensity);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_expensive_result2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result3`
[INFO] [stderr]   --> src/closures/learnClosure.rs:63:7
[INFO] [stderr]    |
[INFO] [stderr] 63 |   let expensive_result3 = |num: u32| -> u32{
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_expensive_result3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v_reference`
[INFO] [stderr]   --> src/lessons/commonCollection.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let v_reference = &v[v_index];
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_v_reference`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/lessons/tryStringCollection.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 |   let s2 = String::from("tac");
[INFO] [stderr]    |       ^^ help: consider prefixing with an underscore: `_s2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:48:7
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let point2 = Point{x : 10.1, y: 20.2};
[INFO] [stderr]    |       ^^^^^^ help: consider prefixing with an underscore: `_point2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point2_2`
[INFO] [stderr]   --> src/lessons/tryGenericTypes.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let point2_2 = Point2{x : 20, y : 20.1};
[INFO] [stderr]    |       ^^^^^^^^ help: consider prefixing with an underscore: `_point2_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `guess`
[INFO] [stderr]   --> src/adder/mod.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 |   let guess = Guess::new(0);
[INFO] [stderr]    |       ^^^^^ help: consider prefixing with an underscore: `_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/adder/mod.rs:74:7
[INFO] [stderr]    |
[INFO] [stderr] 74 |   let y = 10;
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intensity`
[INFO] [stderr]   --> src/closures/learnClosure.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn simulated_expensive_calculation(intensity: u32){
[INFO] [stderr]    |                                        ^^^^^^^^^ help: consider prefixing with an underscore: `_intensity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result2`
[INFO] [stderr]   --> src/closures/learnClosure.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |   let expensive_result2 = expensive_calculation(intensity);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_expensive_result2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result3`
[INFO] [stderr]   --> src/closures/learnClosure.rs:63:7
[INFO] [stderr]    |
[INFO] [stderr] 63 |   let expensive_result3 = |num: u32| -> u32{
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_expensive_result3`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returns_summarizable`
[INFO] [stderr]    --> src/lessons/tryGenericTypes.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn returns_summarizable() -> impl Summary {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/lessons/Guess.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   value:u32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `commonCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod commonCollection;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `common_collection`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryStringCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod tryStringCollection;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_string_collection`
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryHashMapCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub mod tryHashMapCollection;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map_collection`
[INFO] [stderr] 
[INFO] [stderr] warning: module `recoverableError` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub mod recoverableError;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryGenericTypes` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod tryGenericTypes;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_generic_types`
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryLifetime` should have a snake case name
[INFO] [stderr]   --> src/lessons/mod.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub mod tryLifetime;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `try_lifetime`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Rectangle` should have a snake case name
[INFO] [stderr]   --> src/lessons/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod Rectangle;
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `rectangle`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Guess` should have a snake case name
[INFO] [stderr]   --> src/lessons/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub mod Guess;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `guess`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryCommonCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/commonCollection.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn tryCommonCollection(){
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_common_collection`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryUpdateString` should have a snake case name
[INFO] [stderr]  --> src/lessons/tryStringCollection.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn tryUpdateString(){
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_update_string`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryHashMap` should have a snake case name
[INFO] [stderr]  --> src/lessons/tryHashMapCollection.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn tryHashMap(){
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map`
[INFO] [stderr] 
[INFO] [stderr] warning: function `recoverableError` should have a snake case name
[INFO] [stderr]   --> src/lessons/recoverableError.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn recoverableError(){
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnClosure` should have a snake case name
[INFO] [stderr]  --> src/closures/mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub mod learnClosure;
[INFO] [stderr]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_closure`
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnIterator` should have a snake case name
[INFO] [stderr]  --> src/closures/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod learnIterator;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stderr] 
[INFO] [stderr] warning: function `learnIterator` should have a snake case name
[INFO] [stderr]   --> src/closures/learnIterator.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn learnIterator(){
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returns_summarizable`
[INFO] [stderr]    --> src/lessons/tryGenericTypes.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn returns_summarizable() -> impl Summary {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/lessons/Guess.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   value:u32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `commonCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod commonCollection;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `common_collection`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryStringCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod tryStringCollection;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_string_collection`
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryHashMapCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub mod tryHashMapCollection;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map_collection`
[INFO] [stderr] 
[INFO] [stderr] warning: module `recoverableError` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub mod recoverableError;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryGenericTypes` should have a snake case name
[INFO] [stderr]  --> src/lessons/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod tryGenericTypes;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_generic_types`
[INFO] [stderr] 
[INFO] [stderr] warning: module `tryLifetime` should have a snake case name
[INFO] [stderr]   --> src/lessons/mod.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub mod tryLifetime;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `try_lifetime`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Rectangle` should have a snake case name
[INFO] [stderr]   --> src/lessons/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod Rectangle;
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `rectangle`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Guess` should have a snake case name
[INFO] [stderr]   --> src/lessons/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub mod Guess;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `guess`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryCommonCollection` should have a snake case name
[INFO] [stderr]  --> src/lessons/commonCollection.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn tryCommonCollection(){
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_common_collection`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryUpdateString` should have a snake case name
[INFO] [stderr]  --> src/lessons/tryStringCollection.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn tryUpdateString(){
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_update_string`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tryHashMap` should have a snake case name
[INFO] [stderr]  --> src/lessons/tryHashMapCollection.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn tryHashMap(){
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map`
[INFO] [stderr] 
[INFO] [stderr] warning: function `recoverableError` should have a snake case name
[INFO] [stderr]   --> src/lessons/recoverableError.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn recoverableError(){
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnClosure` should have a snake case name
[INFO] [stderr]  --> src/closures/mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub mod learnClosure;
[INFO] [stderr]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_closure`
[INFO] [stderr] 
[INFO] [stderr] warning: module `learnIterator` should have a snake case name
[INFO] [stderr]  --> src/closures/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod learnIterator;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stderr] 
[INFO] [stderr] warning: function `learnIterator` should have a snake case name
[INFO] [stderr]   --> src/closures/learnIterator.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn learnIterator(){
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `email`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     email: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sign_in_count`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sign_in_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `active`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     active: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `point1` should have an upper case name
[INFO] [stderr]    --> src/main.rs:100:11
[INFO] [stderr]     |
[INFO] [stderr] 100 |     const point1 :Point = Point(0,0,0);
[INFO] [stderr]     |           ^^^^^^ help: convert the identifier to upper case: `POINT1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `color1` should have an upper case name
[INFO] [stderr]    --> src/main.rs:101:11
[INFO] [stderr]     |
[INFO] [stderr] 101 |     const color1 :Color = Color( 0, 0, 10);
[INFO] [stderr]     |           ^^^^^^ help: convert the identifier to upper case: `COLOR1`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `email`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     email: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sign_in_count`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sign_in_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `active`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     active: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `point1` should have an upper case name
[INFO] [stderr]    --> src/main.rs:100:11
[INFO] [stderr]     |
[INFO] [stderr] 100 |     const point1 :Point = Point(0,0,0);
[INFO] [stderr]     |           ^^^^^^ help: convert the identifier to upper case: `POINT1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `color1` should have an upper case name
[INFO] [stderr]    --> src/main.rs:101:11
[INFO] [stderr]     |
[INFO] [stderr] 101 |     const color1 :Color = Color( 0, 0, 10);
[INFO] [stderr]     |           ^^^^^^ help: convert the identifier to upper case: `COLOR1`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "ed55ae934870770a53a937ac5b478103f2949748cba32aa365a06c59eeb26b19"`
[INFO] running `"docker" "rm" "-f" "ed55ae934870770a53a937ac5b478103f2949748cba32aa365a06c59eeb26b19"`
[INFO] [stdout] ed55ae934870770a53a937ac5b478103f2949748cba32aa365a06c59eeb26b19