[INFO] fetching crate learnrust 0.1.0...
[INFO] checking learnrust-0.1.0 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate learnrust 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate learnrust 0.1.0 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate learnrust 0.1.0
[INFO] finished tweaking crates.io crate learnrust 0.1.0
[INFO] tweaked toml for crates.io crate learnrust 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 256fc0f1dd276b4cf63bce9177d28d4f9f4c887c1369049d21416d910d5e88d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "256fc0f1dd276b4cf63bce9177d28d4f9f4c887c1369049d21416d910d5e88d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "256fc0f1dd276b4cf63bce9177d28d4f9f4c887c1369049d21416d910d5e88d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256fc0f1dd276b4cf63bce9177d28d4f9f4c887c1369049d21416d910d5e88d0", kill_on_drop: false }`
[INFO] [stdout] 256fc0f1dd276b4cf63bce9177d28d4f9f4c887c1369049d21416d910d5e88d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898824f7bfd934543bc14eb890b390bec9fd00161ec2b294e66c0b1296bd3567
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "898824f7bfd934543bc14eb890b390bec9fd00161ec2b294e66c0b1296bd3567", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking learnrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lessons/tryGenericTypes.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     (self.x.pow(2) +  self.y.pow(2))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::lessons::Rectangle::Rectangle`
[INFO] [stdout]  --> src/adder/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::lessons::Rectangle::Rectangle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::lessons::Guess::Guess`
[INFO] [stdout]  --> src/adder/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ::lessons::Guess::Guess;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/closures/learnIterator.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |     if(self.count < 6){
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lessons/tryGenericTypes.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     (self.x.pow(2) +  self.y.pow(2))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/closures/learnIterator.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |     if(self.count < 6){
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_reference`
[INFO] [stdout]   --> src/lessons/commonCollection.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let v_reference = &v[v_index];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_reference`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/lessons/tryStringCollection.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let s2 = String::from("tac");
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point2`
[INFO] [stdout]   --> src/lessons/tryGenericTypes.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |   let point2 = Point{x : 10.1, y: 20.2};
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_point2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point2_2`
[INFO] [stdout]   --> src/lessons/tryGenericTypes.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 |   let point2_2 = Point2{x : 20, y : 20.1};
[INFO] [stdout]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point2_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]   --> src/closures/learnClosure.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn simulated_expensive_calculation(intensity: u32){
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result2`
[INFO] [stdout]   --> src/closures/learnClosure.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 |   let expensive_result2 = expensive_calculation(intensity);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result3`
[INFO] [stdout]   --> src/closures/learnClosure.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 |   let expensive_result3 = |num: u32| -> u32{
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returns_summarizable`
[INFO] [stdout]    --> src/lessons/tryGenericTypes.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/lessons/Guess.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   value:u32,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `commonCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod commonCollection;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `common_collection`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryStringCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod tryStringCollection;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_string_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryHashMapCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod tryHashMapCollection;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `recoverableError` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod recoverableError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryGenericTypes` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod tryGenericTypes;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_generic_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryLifetime` should have a snake case name
[INFO] [stdout]   --> src/lessons/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod tryLifetime;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `try_lifetime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Rectangle` should have a snake case name
[INFO] [stdout]   --> src/lessons/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub mod Rectangle;
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Guess` should have a snake case name
[INFO] [stdout]   --> src/lessons/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub mod Guess;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tryCommonCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/commonCollection.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn tryCommonCollection(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_common_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tryUpdateString` should have a snake case name
[INFO] [stdout]  --> src/lessons/tryStringCollection.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn tryUpdateString(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_update_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tryHashMap` should have a snake case name
[INFO] [stdout]  --> src/lessons/tryHashMapCollection.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn tryHashMap(){
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recoverableError` should have a snake case name
[INFO] [stdout]   --> src/lessons/recoverableError.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn recoverableError(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `learnClosure` should have a snake case name
[INFO] [stdout]  --> src/closures/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub mod learnClosure;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_closure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `learnIterator` should have a snake case name
[INFO] [stdout]  --> src/closures/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod learnIterator;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `learnIterator` should have a snake case name
[INFO] [stdout]   --> src/closures/learnIterator.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn learnIterator(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_reference`
[INFO] [stdout]   --> src/lessons/commonCollection.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let v_reference = &v[v_index];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_reference`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/lessons/tryStringCollection.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let s2 = String::from("tac");
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point2`
[INFO] [stdout]   --> src/lessons/tryGenericTypes.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |   let point2 = Point{x : 10.1, y: 20.2};
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_point2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point2_2`
[INFO] [stdout]   --> src/lessons/tryGenericTypes.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 |   let point2_2 = Point2{x : 20, y : 20.1};
[INFO] [stdout]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point2_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guess`
[INFO] [stdout]   --> src/adder/mod.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |   let guess = Guess::new(0);
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/adder/mod.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |   let y = 10;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]   --> src/closures/learnClosure.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn simulated_expensive_calculation(intensity: u32){
[INFO] [stdout]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result2`
[INFO] [stdout]   --> src/closures/learnClosure.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 |   let expensive_result2 = expensive_calculation(intensity);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result3`
[INFO] [stdout]   --> src/closures/learnClosure.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 |   let expensive_result3 = |num: u32| -> u32{
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returns_summarizable`
[INFO] [stdout]    --> src/lessons/tryGenericTypes.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/lessons/Guess.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   value:u32,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `commonCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod commonCollection;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `common_collection`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryStringCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod tryStringCollection;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_string_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryHashMapCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod tryHashMapCollection;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `recoverableError` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod recoverableError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryGenericTypes` should have a snake case name
[INFO] [stdout]  --> src/lessons/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod tryGenericTypes;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_generic_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `tryLifetime` should have a snake case name
[INFO] [stdout]   --> src/lessons/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod tryLifetime;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `try_lifetime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Rectangle` should have a snake case name
[INFO] [stdout]   --> src/lessons/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub mod Rectangle;
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Guess` should have a snake case name
[INFO] [stdout]   --> src/lessons/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub mod Guess;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tryCommonCollection` should have a snake case name
[INFO] [stdout]  --> src/lessons/commonCollection.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn tryCommonCollection(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_common_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tryUpdateString` should have a snake case name
[INFO] [stdout]  --> src/lessons/tryStringCollection.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn tryUpdateString(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `try_update_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tryHashMap` should have a snake case name
[INFO] [stdout]  --> src/lessons/tryHashMapCollection.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn tryHashMap(){
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `try_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recoverableError` should have a snake case name
[INFO] [stdout]   --> src/lessons/recoverableError.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn recoverableError(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `learnClosure` should have a snake case name
[INFO] [stdout]  --> src/closures/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub mod learnClosure;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_closure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `learnIterator` should have a snake case name
[INFO] [stdout]  --> src/closures/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod learnIterator;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `learnIterator` should have a snake case name
[INFO] [stdout]   --> src/closures/learnIterator.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn learnIterator(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `learn_iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     email: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign_in_count`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sign_in_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     active: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `point1` should have an upper case name
[INFO] [stdout]    --> src/main.rs:100:11
[INFO] [stdout]     |
[INFO] [stdout] 100 |     const point1 :Point = Point(0,0,0);
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `POINT1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `color1` should have an upper case name
[INFO] [stdout]    --> src/main.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |     const color1 :Color = Color( 0, 0, 10);
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `COLOR1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     email: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign_in_count`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sign_in_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     active: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `point1` should have an upper case name
[INFO] [stdout]    --> src/main.rs:100:11
[INFO] [stdout]     |
[INFO] [stdout] 100 |     const point1 :Point = Point(0,0,0);
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `POINT1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `color1` should have an upper case name
[INFO] [stdout]    --> src/main.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |     const color1 :Color = Color( 0, 0, 10);
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `COLOR1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "898824f7bfd934543bc14eb890b390bec9fd00161ec2b294e66c0b1296bd3567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898824f7bfd934543bc14eb890b390bec9fd00161ec2b294e66c0b1296bd3567", kill_on_drop: false }`
[INFO] [stdout] 898824f7bfd934543bc14eb890b390bec9fd00161ec2b294e66c0b1296bd3567